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SPECIFIER'S GUIDE FOR
PRESSURE SWITCHES
PRESSURE DIFFERENCE SWITCHES
VACUUM SWITCHES
TEMPERATURE SWITCHES
FLAMEPROOF SWITCHES
APPROVEDIECExCoC
with
PESOapproved
KLPLapproved
PESOapproved
KLPLapproved
Bulletin No. KA170615
FC
FE
75 1Bulletin No. KA170615
Pressure Switches:
High Range
High Proof High Range............................................................16
Bellows
Low range
Hydraulic
Flanged....................................................................................32
Pressure Difference Switches:
High Range
High Proof High Range
High Range DP
Low Range
Low DP High Proof
Vacuum Switches...................................................................56
Compound switches
Temperature switches........................................................... 64
................................................................................12
....................................................................................20
................................................................................ 24
..................................................................................28
.............................................................................. 36
.............................................................40
.........................................................................44
...............................................................................48
................................................................... 52
..............................................................60
Pressure Port Options.............................................................. 68
Microswitch Options.................................................................69
Accessories............................................................................. 71
Definitions & Terminology ........................................................ 72
How to Select........................................................................... 73
Contents
Using the catalogueUsing the catalogue
2
By taking a few minutes to familiarise yourself with how the catalogue is organized, you will find it very easy to use.
This section on "How to use this section" (Page No. 10 and 11) helps you make a logical choice in selecting the best product for a particular application. It allows a user familiar with our product line to locate the exact page the product is listed on. For those not familiar with our products, a logical sequence is given to help the user pick the best product for their need.
By taking a few minutes to familiarise yourself with the catalogue organisation, you will find it very easy to locate the product / information you need.
1. The distinguishing factors of FC and FE switches are given on page 3. It will help for selection of right product for your application.
2. The contents page lists the broad outline in which the catalogue is organised, and will help the user familiar with products to select the page on which the product or other useful information is listed.
3. Need Product Selection help ?
Product selection help will start with the “Pictorial Index” (Page No. 8 and 9) of selected section, where the products are broadly classified. A brief description of each product group , a typical photo of the product within the group and the page number on which it is listed are given.
Catalogue Purpose :
This catalogue is a representative of the Kaustubha Udyog flameproof product line. It presents simplified ordering information on most products and references products not catalogued. This catalogue is intended to familiarise users with the broad product offering and provide ordering information for most popular listings, many available off the shelf from local authorised distributors.
Bulletin No. KA170615
By evaluating and comparing these parameters, a logical selection can be made. Turn to the page on which the product information for the selected product is listed, for :
Capsule Construction details
Physical sizes
Special features
Ranges, hysterisis, electrical ratings etc.
Ordering information
Some applications
In many cases, more than one product may work. For the most cost effective solution, compare prices and consider alternatives. Remember, the end cost includes initial product price, plus the installation, plus the service.
4. Need the terminology explained? (see page 72)
Turn to page 72 for the definitions and terminology. This will help you familiarise with the terms used throughout the catalogue.
5. Need information on Accessories? (see page 71)
Turn to page 71 for information on important accessories. These will give information on only important accessories, and information needed, when these are to be supplied with our products.
6. Need selection guidance? (see page 73)
A logical procedure on page 73 will help you to consider most of the important factors when selecting a pressure switch.
3
FC Flameproof switches :
These switches have been designed for use in hazardous areas and for severe applications in the Oil and Gas sectors like oil and gas pipelines, petrochemical plants, refineries and generally in atmospheres which are potentially explosive. All switches are designed for gas group IIC, the most severe of the explosive gases, and hence can be used in lower severity atmospheres, typically in IIA and IIB. With grey cast iron enclosures, these can also be used in mines.
SS enclosures can also be offered for highly corrosive atmospheres. Switches can be configured with a lot of options like electrical elements and sensing element configurations to suit the intended working media.
Advantages over FE switches:
Large spring for accurate setpoint
Better accuracy
External scale for visible setpoint
ATEX and IECEx approvals, which makes them usable almost throughout the world.
FE Flameproof switches :
These switches have been designed for use in hazardous areas and for severe applications in the Oil and Gas sectors like oil and gas pipelines, petrochemical plants, refineries and generally in atmospheres which are potentially explosive. All switches are designed for gas group IIC, the most severe of the explosive gases, and hence can be used in lower severity atmospheres, typically in IIA and IIB. With grey cast iron enclosures, these can also be used in mines.
SS enclosures can also be offered for highly corrosive atmospheres. Switches can be configured with a lot of options like electrical elements and sensing element configurations to suit the intended working media.
Advantages over FC switches:
Double diaphragm seal
Cost effective
Certifications & Approvals for Indian market - KLPLPESO
Brief Classification
Bulletin No. KA170615
APPROVED
IECEx
CoC
with
International Certifications for FC series
4Bulletin No. KA170615
5
International Certifications for FC series
Bulletin No. KA170615
6
Indian Certifications for FC series
KLPL Test Certificate PESO Certificate
BIS License
Bulletin No. KA170615
7
Indian Certifications for FE series
KLPL Test Certificate PESO Certificate
BIS License
Bulletin No. KA170615
8
*Hydraulic ranges are ranges typically from 2 bar to 400 bar, used in oil applications.However, these switches can be used for other media depending on wetted parts compatibility.
FC Pictorial Index
PRESSURE SWITCHES
HIGH RANGE HIGH PROOFHIGH RANGE
Page No. 12
BELLOWS
Page No. 20
LOW RANGE HYDRAULICRANGE*
FLANGED
Page No. 32Page No. 28Page No. 24Page No. 16
PRESSURE DIFFERENCE SWITCHES
VACUUM SWITCHES
Page No. 56
TEMPERATURE SWITCHES
Page No. 64
COMPOUND SWITCHES
Page No. 60
HIGH RANGE HIGH PROOFHIGH RANGE
HIGH RANGEDP
Page No. 40 Page No. 44Page No. 36
LOW RANGE LOW ΔPHIGH PROOF
Page No. 52Page No. 48
Bulletin No. KA170615
FE Pictorial Index
9
*Hydraulic ranges are ranges typically from 2 bar to 400 bar, used in oil applications.However, these switches can be used for other media depending on wetted parts compatibility.
PRESSURE SWITCHES
HIGH RANGE HIGH PROOFHIGH RANGE
Page No. 13
BELLOWS
Page No. 21
LOW RANGE HYDRAULICRANGE*
FLANGED
Page No. 33Page No. 29Page No. 25Page No. 17
PRESSURE DIFFERENCE SWITCHES
HIGH RANGE HIGH PROOFHIGH RANGE
HIGH RANGEDP
Page No. 41 Page No. 45Page No. 37
LOW RANGE LOW ΔPHIGH PROOF
Page No. 53Page No. 49
VACUUM SWITCHES
Page No. 57
TEMPERATURE SWITCHES
Page No. 65
COMPOUND SWITCHES
Page No. 61
Bulletin No. KA170615
HOW TO USE this section
Due to the variety in product types and their salient features, catalogue page formats may vary. But generally the following format is adhered to.
Elements appearing on each page will be:
1. Product family / series - A product family / series willappear on the outside page corner, depending on the left / right hand page, and will be in large bold type.
2. Product section - will appear immediately following the product family / series at top of the page and will be in bold type.
3. Pressure capsule details - will show the construction of the pressure capsule and all it's internal parts. If theprocess / working medium is variable, the wetted parts will be mentioned in italics. If the wetted parts are unique, the material of construction (MOC) will be mentioned alongside in brackets. Where the material of construction is not specified, it will vary and the options are to be selected by the user considering the compatibility of the process / working medium. Modifications can be made to
1
3 3
2
55
10
6
4 4s
ui
t
an
y
pa
rt
ic
ul
ar
m
ed
iu
m,
i
f
th
e
an
sw
er
f
or
y
ou
r
ne
ed
s
is
n
ot
i
n
th
e
st
an
da
rd
M
OC
l
is
te
d.
P
ro
du
ct
s
fo
r
wh
ic
h
pr
oc
es
s /
w
or
ki
ng
m
ed
iu
m
is
p
re
de
fi
ne
d,
p
re
ss
ur
e
ca
ps
ul
e
de
ta
il
s
are not provided (e.g as in case of comparison test pump). Pressure capsule details of accessories are not given.4. Installation drawing - will show the typical installation dimensions of products as they exist in their standard forms. The dimensions are mentioned in millimetres and also in inches to facilitate the user. The dimensions of accessories will have to be added to these to arrive at any particular general arrangement (GA) drawings. The dimensions are approximate and for precise dimensions, where mounting space is restricted, the user may contact the nearest sales office. Installation drawings of only fast moving accessories are given.Dimensions are approximate and for precise dimensions, where mounting space is restricted, the user may contact the nearest sales office. Installation drawings of only fast moving accessories are given.B
ul
le
ti
n
No
.
KA
17
06
15
75 12
HIGH PRESSURE RANGESFC/FE
INSTALLATION DRAWING
APPROX. DIMENSIONS INmm
inches
Pressure Port
Holes, 2nos Ø7 (Ø 0.27), Mounting
(5.71)
(4.96)
145.0
126.0
1/4" BSP(F)(Options Avail.)
Std.
110.0
26.0(4.33)
(1.02)
1/2" NPT(F)(Options Avail.)
Cable Entry
(8.2
)
20
8.0
(5.8
2)
14
8.0
A/F 19
PRESSURE CAPSULE DETAILS
Note : wetted parts are mentioned in italics.
DescriptionHigh Pressure Port (SS316)
Housing Plate (SS316)® Teflon O-Ring
SS 316 Ring®Diaphragm (Teflon )
Conical Plunger
No.1.
2.
3.
4.
5.
6.2
1
3
4
5
6
(A/F 0.74)
FC
Bulletin No. KA170615
75 13
INSTALLATION DRAWING
APPROX. DIMENSIONS INmm
inches
PRESSURE CAPSULE DETAILS
Note : wetted parts are mentioned in italics.
HIGH PRESSURE RANGES FC/FE
FE
Pressure Port
2 nos
Ø7, Mounting Holes
(4.33)
(4.96)
110.0
126.0
1/4" BSP(F)
1/2" NPT(F)(Options Avail.)
Cable Entry
(6.2
2)
15
8
A/F 19
(A/F 0.74)
(1.02)
26
(2.0)
50.8
(5.7)
145.0
(3.8
5)
98
DescriptionHigh Pressure Port
® Teflon O-Ring
SS 316 Ring
Diaphragm
Conical Plunger
No.1.
2.
3.
4.
5.
2
1
3
4
5
Bulletin No. KA170615
7514
RANGE SELECTION TABLE
LP
LP5
H01
H02
H03
H04
H07
H10
H15
H30
0.067 - 0.213(0.97 - 3.09)
0.1 - 0.5(1.45 - 7.25)
0.1 - 1.0(1.45 - 14.50)
0.1 - 1.5(1.45 - 21.76)
0.2 - 2.6(2.90 - 37.71)
0.2 - 3.6(2.90 - 52.21)
0.5 - 7.0(7.25 - 101.50)
0.5 - 10.0(7.25 - 145.037)
1.0 - 15.0(14.5 - 217.56)
5.0 - 25.0(72.52 - 362.6)
Differential* bar (psi)
5(72.52)
5(72.52)
12(174.05)
12(174.05)
12(174.05)
12(174.05)
12(174.05)
25(362.6)
25(362.6)
35(507.63)
Range Code Range bar (psi) Maximum WorkingPressure bar (psi)
0.02(0.29)
0.08(1.16)
0.10(1.45)
0.12(1.74)
0.15(2.17)
0.20(2.90)
0.20(2.90)
0.40(5.80)
0.50(7.25)
1.0(14.5)
ApproximateMaximumfor "A1"
microswitch
*Minimum differential increases with setpoint (Graphs available on request)
* Differentials of miroswitches A2 through A9 will vary. Differentials for A7 are typically twice that for A1 microswitch.Please indicate specifically the differential value in enquiry/order, when it is critical in your application.
, values with neoprene diaphragm
Note: Welded diaphragm also available as shown
HIGH PRESSURE RANGESFC/FE
Bulletin No. KA170615
7515
HO
W T
O O
RD
ER
FL
AM
EP
RO
OF
HIG
H R
AN
GE
PR
ES
SU
RE
SW
ITC
HE
S
No
n s
tan
da
rda
lloca
tion
Ga
s G
rou
pC
lass
ifica
tion
Ca
ble
En
try
Siz
e
Sw
itch
Typ
eR
an
ge
Co
de
(va
lue
s in
ba
r)
Mic
rosw
itch
Typ
eD
iap
hra
gm
Gro
up
1G
rou
p 2
Gro
up
3G
rou
p 4
Gro
up
5G
rou
p 6
Gro
up
8G
rou
p 7
0 =
Ne
op
ren
e
1 =
Teflo
n
2 =
SS
31
6L
3 =
Ha
ste
lloy
C
4 =
Mo
ne
l
5 =
Tita
niu
m
6 =
Tan
talu
m
7 =
Inco
ne
l
FC
=
Fla
me
pro
of
pre
ssu
re s
witc
h,
AT
Ex
& IE
CE
x a
pp
rove
d, w
ith
Alu
min
ium
he
ad
a
s p
er
IS/IE
C
60
07
9-1
fo
r G
as
Gr. IIC
FE
=
IP6
6 F
lam
ep
roo
f p
ress
ure
sw
itch
, K
LP
L a
pp
rove
d
Re
serv
ed
fo
r n
on
-sta
nd
ard
o
ptio
ns
no
t co
vere
d in
ca
talo
gu
e. W
ill
be
giv
en
by
ma
nu
fact
ure
r,
on
ly a
fte
r a
gre
em
en
t o
f su
pp
ly d
eta
ils
with
cu
sto
me
r.
1 =
Al.
he
ad
½"
NP
T th
rea
ds
2 =
Al.
he
ad
¾"
NP
T th
rea
ds
3 =
Al.
he
ad
M
20
x 1
.5
thre
ad
s
4 =
Gre
y C
I h
ea
d ½
" N
PT
th
rea
ds
5 =
Gre
y C
I h
ea
d ¾
" N
PT
th
rea
ds
6 =
Gre
y C
I h
ea
d M
20
x 1
.5
thre
ad
s
7 =
SS
he
ad
½"
NP
T th
rea
ds
8 =
SS
he
ad
¾"
NP
T
thre
ad
s
9 =
SS
he
ad
M2
0 x
1.5
th
rea
ds
P 1
=
pre
ssu
re s
witc
h,
fixe
d d
iffe
ren
tial
with
ou
t sc
ale
*P2
=
pre
ssu
re s
witc
h,
fixe
d d
iffe
ren
tial
with
sca
le in
ba
r
*P3
=
pre
ssu
re s
witc
h,
fixe
d d
iffe
ren
tial
with
sca
le in
psi
LP
=
(0.0
67
- 0
.21
3)
LP
5=
(0.1
- 0
.5)
H0
1=
(0.1
- 1
.0)
H0
2
(0.1
- 1
.5)
H0
3=
(0.2
- 2
.6)
H0
4=
(0.2
- 3
.6)
H0
7=
(0.5
- 7
.0)
H1
0=
(0.5
- 1
0.0
)
H1
5=
(1.0
- 1
5.0
)
H3
0=
(5.0
-2
5.0
)
Pre
ssu
re P
ort
M
ate
ria
l / S
ize
S1
=
SS
31
6 / ¼
" B
SP
(F)
S2
=
SS
31
6 / ¼
” N
PT
(F)
H1
=
Ha
ste
lloy
C /
¼”
BS
P(F
)
H2
=
Ha
ste
lloy
C /
¼”
NP
T(F
)
N1
=
Mo
ne
l / ¼
” B
SP
(F)
N2
=
Mo
ne
l / ¼
” N
PT
(F)
S3
=
SS
31
6 / 1
” B
SP
(M)
Gro
up
1G
rou
p 2
Gro
up
3G
rou
p 4
Gro
up
5G
rou
p 6
Gro
up
8G
rou
p 7
eg
. A fl
am
ep
roo
f sw
itch
for g
as
gro
up
IIC
, with
½" N
PT
ca
ble
en
try
in a
lum
iniu
m h
ou
sin
g a
s 1
SP
DT
pre
ssu
re s
witc
h, h
avi
ng
0.1
ba
r to
1 b
ar p
ress
ure
ra
ng
e,
with
15
Am
p. m
icro
switc
h, S
S3
16
pre
ssu
re h
ou
sin
g w
ith ¼
” BS
P p
ort
siz
e &
ne
op
ren
e d
iap
hra
gm
sh
all
be
sp
eci
fied
by
Ple
ase
sp
eci
fy fu
ll m
od
el n
um
be
r to
avo
id a
mb
igu
ity. If o
nly
th
e first
tw
o g
rou
ps
are
sp
eci
fied
wh
ile o
rde
rin
g, u
nca
libra
ted
sw
itch
es
with
sta
nd
ard
we
tte
d
pa
rts
an
d e
ncl
osu
res
will
be
su
pp
lied
.
FC
1P
1H
01
A1
0S
1
A1
=G
ener
al
purp
ose
mic
rosw
itch
rate
d at
15
A; 2
50 V
AC
Gen
eral
pu
rpos
e m
icro
switc
h ra
ted
at
5 A
; 250
VA
C
*A2
= H
erm
etic
ally
se
aled
for
corr
osiv
e en
viro
nmen
ts
*A3
= g
old
plat
ed
cont
acts
for
low
vol
tage
ap
plic
atio
ns
*A4
= D
PD
T co
nfig
urat
ion
*A5
= fo
r hi
gh D
C
ratin
gs
*A6
= e
lem
ents
with
ad
just
able
dea
dban
d
*A7
= 2
SP
DT
switc
hing
ele
men
ts
*A9
=
Ple
ase
refe
r P
age
No.
68
for
Pre
ssur
e P
ort o
ptio
ns
Ple
ase
refe
r P
age
No.
69
for
Mic
rosw
itch
optio
ns
* P
leas
e re
fer
note
und
erR
ange
Sel
ectio
n Ta
ble
HIGH PRESSURE RANGES FC/FE
* N
ot a
vaila
ble
in
FE
ser
ies
Bulletin No. KA170615
16Bulletin No. KA170615
HIGH PROOF HIGH RANGE SWITCHESFC/FE
FC
PRESSURE CAPSULE DETAILS
Note : wetted parts are mentioned in italics.
DescriptionHigh Pressure Port
Housing Plate
Teflon® O-Ring
Diaphragm
Conical Plunger
No.1.
2.
3.
4.
5.
1
2
3
4
5
INSTALLATION DRAWING
APPROX. DIMENSIONS INmm
inches
PRESSURE PORT
1/4" BSPF
Std.(Options Avail.)
CABLE ENTRY
1/2" NTP(F)
(Options Avail.)
145.0
(5.71)
21
5.0
(8.4
7)
15
5.0
(6.0
9)
26.0
(1.02)
110.0
(4.33)126.0
(4.96)
A/F 19
(A/F 0.74)
Ø7 (Ø 0.27), Mounting
Holes, 2nos
75 17Bulletin No. KA170615
INSTALLATION DRAWING
APPROX. DIMENSIONS INmm
inches
PRESSURE CAPSULE DETAILS
Note : wetted parts are mentioned in italics.
HIGH PROOF HIGH RANGE SWITCHES FC/FE
FE
Cable Entry
1/2" NPT(F)
(Options Avail.)
145
(5.7)
16
5
(6.4
9)
10
5
(4.1
3)
26.0
(1.02)
110
(4.33)
Ø7, Mounting Holes
2 nos
126
(4.96)
50.8
(2.0)A/F 19
(0.74)Pressure Port
1/4" BSP(F)
DescriptionHigh Pressure Port
Housing Plate
Teflon® O-Ring
Diaphragm
Conical Plunger
No.1.
2.
3.
4.
5.
1
2
3
4
5
7518Bulletin No. KA170615
HIGH PROOF HIGH RANGE SWITCHESFC/FERANGE SELECTION TABLE
P01
P02
P03
P04
P07
P10
P15
P30
0.1 - 1.0(1.45 - 14.50)
0.1 - 1.5(1.45 - 21.76)
0.2 - 2.6(2.90 - 37.71)
0.2 - 3.6(2.90 - 52.21)
0.5 - 7.0(7.25 - 101.50)
0.5 - 10.0(7.14 - 142.86)
1.0 - 15.0(14.29 - 214.29)
5.0 - 25.0(71.43 - 357.14)
Differential* bar (psi)
70(1015.26)
70(1015.26)
70(1015.26)
70(1015.26)
70(1015.26)
70(1015.26)
70(1015.26)
70(1015.26)
Range Code Range bar (psi) Maximum WorkingPressure bar (psi)
*Minimum differential increases with setpoint (Graphs available on request)
* Differentials of miroswitches A2 through A9 will vary. Differentials for A7 are typically twice that for A1 microswitch.Please indicate specifically the differential value in enquiry/order, when it is critical in your application.
, values with neoprene diaphragm
ApproximateMaximumfor "A1"
microswitch
0.20(2.9)
0.20(2.9)
0.30(4.35)
0.40(5.80)
0.50(7.25)
0.80(11.6)
1.50(23.2)
1.50(23.2)
7519Bulletin No. KA170615
FC
=
Fla
me
pro
of
pre
ssu
re s
witc
h,
AT
Ex
& IE
CE
x a
pp
rove
d, w
ith
Alu
min
ium
he
ad
a
s p
er
IS/IE
C
60
07
9-1
fo
r G
as
Gr. IIC
FE
=
IP6
6 F
lam
ep
roo
f p
ress
ure
sw
itch
, K
LP
L a
pp
rove
d
HIGH PROOF HIGH RANGE SWITCHES FC/FEH
OW
TO
OR
DE
R F
LA
ME
PR
OO
F H
IGH
PR
OO
F H
IGH
RA
NG
E P
RE
SS
UR
E S
WIT
CH
ES
No
n s
tan
da
rda
lloca
tion
Mo
de
lC
ab
le E
ntr
y S
ize
Sw
itch
Typ
eR
an
ge
Co
de
(va
lue
s in
ba
r)
Mic
rosw
itch
Typ
eD
iap
hra
gm
Gro
up
1G
rou
p 2
Gro
up
3G
rou
p 4
Gro
up
5G
rou
p 6
Gro
up
8G
rou
p 7
P0
1=
(0.1
- 1
.0)
P0
2
(0.1
- 1
.5)
P0
3=
(0.2
- 2
.6)
P0
4=
(0.2
- 3
.6)
P0
7=
(0.5
- 7
.0)
P1
0=
(0.5
- 1
0.0
)
P1
5=
(1.0
- 1
5.0
)
P3
0=
(5.0
-2
5.0
)
Gro
up
1G
rou
p 2
Gro
up
3G
rou
p 4
Gro
up
5G
rou
p 6
Gro
up
8G
rou
p 7
FC
1P
1P
01
A1
2S
1
Ple
ase
sp
ecify
fu
ll m
od
el n
um
be
r to
avo
id a
mb
igu
ity.
eg. A
hig
h pr
oof h
igh
rang
e fla
mep
roof
sw
itch
with
½" N
PT
cabl
e en
try
in a
lum
iniu
m h
ousi
ng a
s 1S
PD
T pr
essu
re s
witc
h, fi
xed
diffe
rent
ial w
ithou
t sca
le, h
avin
g 0.
1 ba
r to
1 ba
r pre
ssur
e ra
nge,
w
ith 1
5 A
mp.
mic
rosw
itch,
SS
316
pres
sure
hou
sing
with
¼” B
SP
por
t siz
e &
SS
316L
dia
phra
gm s
hall
be s
peci
fied
by
0 =
Ne
op
ren
e
1 =
Teflo
n
2 =
SS
31
6L
A1
=G
ener
al p
urpo
se
mic
rosw
itch
rate
d at
15
A; 2
50 V
AC
Gen
eral
pu
rpos
e m
icro
switc
h ra
ted
at
5 A
; 250
VA
C
*A2
= H
erm
etic
ally
se
aled
for
corr
osiv
e en
viro
nmen
ts
*A3
= g
old
plat
ed
cont
acts
for
low
vo
ltage
app
licat
ions
*A4
= D
PD
T co
nfig
urat
ion
*A5
= f
or h
igh
DC
ra
tings
*A6
= e
lem
ents
with
ad
just
able
dea
dban
d
*A7
= 2
SP
DT
switc
hing
ele
men
ts
*A9
=
Re
serv
ed
fo
r n
on
-sta
nd
ard
o
ptio
ns
no
t co
vere
d in
ca
talo
gu
e. W
ill
be
giv
en
by
ma
nu
fact
ure
r,
on
ly a
fte
r a
gre
em
en
t o
f su
pp
ly d
eta
ils
with
cu
sto
me
r.
1 =
Al.
he
ad
½"
NP
T th
rea
ds
2 =
Al.
he
ad
¾"
NP
T th
rea
ds
3 =
Al.
he
ad
M
20
x 1
.5
thre
ad
s
4 =
Gre
y C
I h
ea
d ½
" N
PT
th
rea
ds
5 =
Gre
y C
I h
ea
d ¾
" N
PT
th
rea
ds
6 =
Gre
y C
I h
ea
d M
20
x 1
.5
thre
ad
s
7 =
SS
he
ad
½"
NP
T th
rea
ds
8 =
SS
he
ad
¾"
NP
T
thre
ad
s
9 =
SS
he
ad
M2
0 x
1.5
th
rea
ds
Pre
ssu
re P
ort
M
ate
ria
l / S
ize
S1
=
SS
31
6 / ¼
" B
SP
(F)
S2
=
SS
31
6 / ¼
” N
PT
(F)
P 1
=
pre
ssu
re s
witc
h,
fixe
d d
iffe
ren
tial
with
ou
t sc
ale
P2
=
pre
ssu
re s
witc
h,
fixe
d d
iffe
ren
tial
with
sca
le in
ba
r
P3
=
pre
ssu
re s
witc
h,
fixe
d d
iffe
ren
tial
with
sca
le in
psi
Ple
ase
refe
r P
age
No.
68
for
Pre
ssur
e P
ort o
ptio
ns
Ple
ase
refe
r P
age
No.
69
for
Mic
rosw
itch
optio
ns
* P
leas
e re
fer
note
und
erR
ange
Sel
ectio
n Ta
ble
75 20Bulletin No. KA170615
INSTALLATION DRAWING
APPROX. DIMENSIONS INmm
inches
CABLE ENTRY
1/2" NPT(F)(Options Avail.)
20
4.5
(8.0
5)
145.0
(5.7)126.0
(5.0)
110.0
(4.3)26.0
(1.0)
14
4.5
(5.6
8)
A/F 19PRESSURE PORT
1/4" BSPFStd. (Options Avail.)
(A/F 0.74)
Ø7 (Ø 0.27), Mounting
Holes, 2nos
PRESSURE CAPSULE DETAILS
Note : wetted parts are mentioned in italics.
1
2
DescriptionMetallic Bellow
Pressure Housing
No.1.
2.
HIGH RANGE BELLOWS SWITCHESFC/FE
FC
7521Bulletin No. KA170615
INSTALLATION DRAWING
APPROX. DIMENSIONS INmm
inches
PRESSURE CAPSULE DETAILS
Note : wetted parts are mentioned in italics.
HIGH RANGE BELLOWS SWITCHES FC/FE
FE
Cable Entry
1/2" NPT(F)(Options Avail.)
16
6
(6.5
3)
145
(5.7)126
(4.96)
110
(4.33)26
(1.02)
10
6
(4.1
7)
A/F 19
Pressure Port
1/4" BSP(F)
(0.74)
Ø7, Mounting Holes
2nos
50.8
(2.0)
1
2 DescriptionMetallic Bellow
Pressure Housing
No.1.
2.
75 22Bulletin No. KA170615
RANGE SELECTION TABLE
H01
H02
H03
H04
H07
H10
H15
H30
H4T
H1H
0.1 - 1.0(1.45 - 14.50)
0.1 - 1.5(1.45 - 21.76)
0.2 - 2.6(2.90 - 37.71)
0.2 - 3.6(2.90 - 52.21)
0.5 - 7.0(7.25 - 101.50)
0.5 - 10.0(7.25 - 145.037)
1.0 - 15.0(14.5 - 217.55)
5.0 - 25.0(72.52 - 362.6)
5 - 40(72.52 - 580.15)
10 - 100(145.037 - 1450.37)
Differential* bar (psi)
12(174.05)
12(174.05)
12(174.05)
12(174.05)
12(174.05)
25(362.6)
25(362.6)
35(507.63)
100(1450.37)
200(2900.75)
Range Code Range bar (psi) Maximum WorkingPressure bar (psi)
0.10(1.45)
0.12(1.74)
0.17(2.46)
0.10(1.45)
0.20(2.9)
0.20(2.9)
0.50(7.25)
0.50(7.25)
5(72.52)
12(174.05)
ApproximateMaximumfor "A1"
microswitch
*Minimum differential increases with setpoint (Graphs available on request)
* Differentials of microswitches A2 through A9 will vary. Differentials for A7 are typically twice that for A1 microswitch.Please indicate specifically the differential value in enquiry/order, when it is critical in your application.
HIGH RANGE BELLOWS SWITCHES FC/FERANGE SELECTION TABLE
75 23Bulletin No. KA170615
HIGH RANGE BELLOWS SWITCHES FC/FEH
OW
TO
OR
DE
R F
LA
ME
PR
OO
F H
IGH
RA
NG
E B
EL
LO
WS
PR
ES
SU
RE
SW
ITC
HE
S
No
n s
tan
da
rda
lloca
tion
Ga
s G
rou
pC
lass
ifica
tion
Ca
ble
En
try
Siz
e
Sw
itch
Typ
eR
an
ge
Co
de
(va
lue
s in
ba
r)
Mic
rosw
itch
Typ
eB
ello
ws
Ma
teria
l
Gro
up
1G
rou
p 2
Gro
up
3G
rou
p 4
Gro
up
5G
rou
p 6
Gro
up
8G
rou
p 7
2 =
SS
31
6L
FC
=
Fla
me
pro
of
pre
ssu
re s
witc
h,
AT
Ex
& IE
CE
x a
pp
rove
d, w
ith
Alu
min
ium
he
ad
a
s p
er
IS/IE
C
60
07
9-1
fo
r G
as
Gr. IIC
FE
=
IP6
6 F
lam
ep
roo
f p
ress
ure
sw
itch
, K
LP
L a
pp
rove
d
Re
serv
ed
fo
r n
on
-sta
nd
ard
o
ptio
ns
no
t co
vere
d in
ca
talo
gu
e. W
ill
be
giv
en
by
ma
nu
fact
ure
r,
on
ly a
fte
r a
gre
em
en
t o
f su
pp
ly d
eta
ils
with
cu
sto
me
r.
H0
1=
(0.1
- 1
.0)
H0
2
(0.1
- 1
.5)
H0
3=
(0.2
- 2
.6)
H0
4=
(0.2
- 3
.6)
H0
7=
(0.5
- 7
.0)
H1
0=
(0.5
- 1
0.0
)
H1
5=
(1.0
- 1
5.0
)
H3
0=
(5.0
-2
5.0
)
= =
H4
T
(5 -
40
)
H1
H
(10
- 1
00
)
B1
=
SS
31
6L /
¼"
BS
P(F
)
B2
=
SS
31
6L /
¼”
NP
T(F
)
Gro
up
1G
rou
p 2
Gro
up
3G
rou
p 4
Gro
up
5G
rou
p 6
Gro
up
8G
rou
p 7
eg
. A fl
am
ep
roo
f sw
itch
for g
as
gro
up
IIC
, with
½" N
PT
ca
ble
en
try
in a
lum
iniu
m h
ou
sin
g a
s 1
SP
DT
pre
ssu
re s
witc
h, h
avi
ng
0.1
ba
r to
1 b
ar p
ress
ure
ra
ng
e,
with
15
Am
p. m
icro
switc
h, B
ello
ws
pre
ssu
re h
ou
sin
g w
ith ¼
” BS
P p
ort
siz
e &
SS
31
6L B
ello
ws
sha
ll b
e s
pe
cifie
d b
y
Ple
ase
sp
eci
fy fu
ll m
od
el n
um
be
r to
avo
id a
mb
igu
ity. If o
nly
th
e first
tw
o g
rou
ps
are
sp
eci
fied
wh
ile o
rde
rin
g, u
nca
libra
ted
sw
itch
es
with
sta
nd
ard
we
tte
d
pa
rts
an
d e
ncl
osu
res
will
be
su
pp
lied
.
FC
1P
1H
01
A1
2B
1
A1
=G
ener
al p
urpo
se
mic
rosw
itch
rate
d at
15
A; 2
50 V
AC
Gen
eral
pu
rpos
e m
icro
switc
h ra
ted
at
5 A
; 250
VA
C
*A2
= H
erm
etic
ally
se
aled
for
corr
osiv
e en
viro
nmen
ts
*A3
= g
old
plat
ed
cont
acts
for
low
vo
ltage
app
licat
ions
*A4
= D
PD
T co
nfig
urat
ion
*A5
= f
or h
igh
DC
ra
tings
*A6
= e
lem
ents
with
ad
just
able
dea
dban
d
*A7
= 2
SP
DT
switc
hing
ele
men
ts
*A9
=
1 =
Al.
he
ad
½"
NP
T th
rea
ds
2 =
Al.
he
ad
¾"
NP
T th
rea
ds
3 =
Al.
he
ad
M
20
x 1
.5
thre
ad
s
4 =
Gre
y C
I h
ea
d ½
" N
PT
th
rea
ds
5 =
Gre
y C
I h
ea
d ¾
" N
PT
th
rea
ds
6 =
Gre
y C
I h
ea
d M
20
x 1
.5
thre
ad
s
7 =
SS
he
ad
½"
NP
T th
rea
ds
8 =
SS
he
ad
¾"
NP
T
thre
ad
s
9 =
SS
he
ad
M2
0 x
1.5
th
rea
ds
Pre
ssu
re P
ort
M
ate
ria
l Siz
e
P 1
=
pre
ssu
re s
witc
h,
fixe
d d
iffe
ren
tial
with
ou
t sc
ale
P2
=
pre
ssu
re s
witc
h,
fixe
d d
iffe
ren
tial
with
sca
le in
ba
r
P3
=
pre
ssu
re s
witc
h,
fixe
d d
iffe
ren
tial
with
sca
le in
psi
Ple
ase
refe
r P
age
No.
68
for
Pre
ssur
e P
ort o
ptio
ns
Ple
ase
refe
r P
age
No.
69
for
Mic
rosw
itch
optio
ns
* P
leas
e re
fer
note
und
erR
ange
Sel
ectio
n Ta
ble
7524Bulletin No. KA170615
INSTALLATION DRAWING
APPROX. DIMENSIONS INmm
inches
145.0
126.0
Ø7 , Mounting(Ø 0.27)
Holes 2 Nos
Ø130.0
(Ø5.1)
(5.71)
(4.96)
26.0
110.0
Ø130.0
(4.33)
(1.02)
1/4"BSP(F)
(Ø5.1)
22
8.0
(8.9
8)
16
8.0
(6.6
1)
Cable Entry
1/2" NPT(F)(Option avail.)
Pressure Port
PRESSURE CAPSULE DETAILS
Note : wetted parts are mentioned in italics. 1
2
3
4
5
6
7
8
10
119
DescriptionPressure port (S.S.)*
Support spring (S.S.)
Bottom flange (S.S.)
Support plate (Aluminium)
Diaphragm (Neoprene)
Gasket (Nitrile)
Top plate (Aluminium)
Top flange (S.S.)
Plunger (Aluminium)
Top flange screw (S.S.)
Sealing 'O' ring (Nitrile)
No.1.
2.
3.
4.
5.
6.
7.
8.
9.
10.
11.
*Pressure port is brazed with flange
LOW PRESSURE RANGESFC/FE
FC
7525Bulletin No. KA170615
INSTALLATION DRAWING
APPROX. DIMENSIONS INmm
inches
LOW PRESSURE RANGES FC/FE
FE
145
126
Ø7, Mounting Holes
2 Nos
Ø130.0
(5.11)
(5.7)
(4.96)26.0
110.0
(4.33)
(1.02)
1/4"BSP(F)
18
8
(7.4
0)
12
8
(5.0
3)
Cable Entry
1/2" NPT(F)(Option avail.)
Pressure Port
Mounting Nut
3/4" BSP(M)
PRESSURE CAPSULE DETAILS
Note : wetted parts are mentioned in italics.
DescriptionPressure port (S.S.)*
Support spring (S.S.)
Bottom flange (S.S.)
Support plate (Aluminium)
Diaphragm (Neoprene)
Gasket (Nitrile)
Top plate (Aluminium)
Top flange (S.S.)
Plunger (Aluminium)
Top flange screw (S.S.)
Sealing 'O' ring (Nitrile)
No.1.
2.
3.
4.
5.
6.
7.
8.
9.
10.
11.
*Pressure port is brazed with flange
3
4
5
6
7
8
10
11
1
2
9
75 26Bulletin No. KA170615
LOW PRESSURE RANGESFC/FERANGE SELECTION TABLE
L02
L03
L05
L10
L15
L25
L35
1.5 - 15(0.602 - 6.021)
5 - 25(2.007 - 10.037)
10 - 50(4.015 - 20.073)
10 - 100(4.015 - 40.150)
10 - 150(4.015 - 60.22)
20 - 250(8.029 - 100.36)
50 - 350(20.073 - 140.52)
Differential* mbar ("wc)
2(29.00)
2(29.00)
2(29.00)
2(29.00)
2(29.00)
2(29.00)
2(29.00)
Range Code Rangembar ("wc)
Maximum WorkingPressure bar (psi)
3(1.204)
5(2.007)
5(2.007)
5(2.007)
5(2.007)
10(4.015)
25(10.04)
ApproximateMaximumfor "A1"
microswitch
*Minimum differential increases with setpoint (Graphs available on request)
* Differentials of miroswitches A2 through A9 will vary. Differentials for A7 are typically twice that for A1 microswitch.Please indicate specifically the differential value in enquiry/order, when it is critical in your application.
, values with neoprene diaphragm
7527Bulletin No. KA170615
LOW PRESSURE RANGES FC/FEH
OW
TO
OR
DE
R F
LA
ME
PR
OO
F L
OW
RA
NG
E P
RE
SS
UR
E S
WIT
CH
ES
No
n s
tan
da
rda
lloca
tion
Ga
s G
rou
pC
lass
ifica
tion
Ca
ble
En
try
Siz
e
Sw
itch
Typ
eR
an
ge
Co
de
(va
lue
s in
mb
ar)
M
icro
switc
hTyp
eD
iap
hra
gm
Gro
up
1G
rou
p 2
Gro
up
3G
rou
p 4
Gro
up
5G
rou
p 6
Gro
up
8G
rou
p 7
0 =
Ne
op
ren
e
1 =
Teflo
n
2 =
SS
31
6L
FC
=
Fla
me
pro
of
pre
ssu
re s
witc
h,
AT
Ex
& IE
CE
x a
pp
rove
d, w
ith
Alu
min
ium
he
ad
a
s p
er
IS/IE
C
60
07
9-1
fo
r G
as
Gr. IIC
FE
=
IP6
6 F
lam
ep
roo
f p
ress
ure
sw
itch
, K
LP
L a
pp
rove
d
Re
serv
ed
fo
r n
on
-sta
nd
ard
o
ptio
ns
no
t co
vere
d in
ca
talo
gu
e. W
ill
be
giv
en
by
ma
nu
fact
ure
r,
on
ly a
fte
r a
gre
em
en
t o
f su
pp
ly d
eta
ils
with
cu
sto
me
r.
L0
2 =
(1.5
- 1
5)
L0
3 =
(5 -
25
)
L0
5 =
(10
- 5
0)
L1
0 =
(10
- 1
00
)
L1
5 =
(10
- 1
50
)
L2
5 =
(20
- 2
50
)
L3
5 =
(50
- 3
50
)
Gro
up
1G
rou
p 2
Gro
up
3G
rou
p 4
Gro
up
5G
rou
p 6
Gro
up
8G
rou
p 7
eg
. A fla
me
pro
of sw
itch
fo
r g
as
gro
up
IIC
, w
ith ½
" N
PT
ca
ble
en
try
in a
lum
iniu
m h
ou
sin
g a
s 1
SP
DT
pre
ssu
re s
witc
h, h
avi
ng
5 m
ba
r to
25
mb
ar
pre
ssu
re
ran
ge
, with
15
Am
p. m
icro
switc
h, S
S3
16
pre
ssu
re h
ou
sin
g w
ith ¼
” BS
P p
ort
siz
e &
ne
op
ren
e d
iap
hra
gm
sh
all
be
sp
eci
fied
by
Ple
ase
sp
eci
fy fu
ll m
od
el n
um
be
r to
avo
id a
mb
igu
ity. If o
nly
th
e first
tw
o g
rou
ps
are
sp
eci
fied
wh
ile o
rde
rin
g, u
nca
libra
ted
sw
itch
es
with
sta
nd
ard
we
tte
d
pa
rts
an
d e
ncl
osu
res
will
be
su
pp
lied
.
FC
1P
1L
03
A1
0S
1
A1
=G
ener
al p
urpo
se
mic
rosw
itch
rate
d at
15
A; 2
50 V
AC
Gen
eral
pu
rpos
e m
icro
switc
h ra
ted
at
5 A
; 250
VA
C
*A2
= H
erm
etic
ally
se
aled
for
corr
osiv
e en
viro
nmen
ts
*A3
= g
old
plat
ed
cont
acts
for
low
vo
ltage
app
licat
ions
*A4
= D
PD
T co
nfig
urat
ion
*A5
= f
or h
igh
DC
ra
tings
*A6
= e
lem
ents
with
ad
just
able
dea
dban
d
*A7
= 2
SP
DT
switc
hing
ele
men
ts
*A9
=
1 =
Al.
he
ad
½"
NP
T th
rea
ds
2 =
Al.
he
ad
¾"
NP
T th
rea
ds
3 =
Al.
he
ad
M
20
x 1
.5
thre
ad
s
4 =
Gre
y C
I h
ea
d ½
" N
PT
th
rea
ds
5 =
Gre
y C
I h
ea
d ¾
" N
PT
th
rea
ds
6 =
Gre
y C
I h
ea
d M
20
x 1
.5
thre
ad
s
7 =
SS
he
ad
½"
NP
T th
rea
ds
8 =
SS
he
ad
¾"
NP
T
thre
ad
s
9 =
SS
he
ad
M2
0 x
1.5
th
rea
ds
Pre
ssu
re P
ort
M
ate
ria
l / S
ize
S1
=
SS
31
6 / ¼
" B
SP
(F)
S2
=
SS
31
6 / ¼
” N
PT
(F)
P 1
=
pre
ssu
re s
witc
h,
fixe
d d
iffe
ren
tial
with
ou
t sc
ale
P2
=
pre
ssu
re s
witc
h,
fixe
d d
iffe
ren
tial
with
sca
le in
m
ba
r
P3
=
pre
ssu
re s
witc
h,
fixe
d d
iffe
ren
tial
with
sca
le in
"w
c
Ple
ase
refe
r P
age
No.
68
for
Pre
ssur
e P
ort o
ptio
ns
Ple
ase
refe
r P
age
No.
69
for
Mic
rosw
itch
optio
ns
* P
leas
e re
fer
note
und
erR
ange
Sel
ectio
n Ta
ble
75 28Bulletin No. KA170615
HYDRAULIC RANGESFC/FE
FC
PRESSURE CAPSULE DETAILS
Note : wetted parts are mentioned in italics.
DescriptionPressure Port
Teflon® O-Ring
Diaphragm
Conical Plunger
No.1.
2.
3.
4.
1
2
3
4
INSTALLATION DRAWING
APPROX. DIMENSIONS INmm
inches
PRESSURE PORT
1/4" BSPF
(Options Avail.)
Std.
CABLE ENTRY
1/2" NTP(F)
(Options Avail.)
145.0
(5.71)
126.0
(4.96)
22
0.0
(8.6
6)
16
0.0
(6.2
9)
Ø7 (Ø 0.27), Mounting
Holes, 2nos
26.0
(1.02)
110.0
(4.33)
A/F 19
(A/F 0.74)
29Bulletin No. KA170615
INSTALLATION DRAWING
APPROX. DIMENSIONS INmm
inches
PRESSURE CAPSULE DETAILS
Note : wetted parts are mentioned in italics.
HYDRAULIC RANGES FC/FE
FE
145
(5.7) 126
(4.96)
Ø7, Mounting Holes
2 nos
26
(1.02)
110
(4.33)
50.8
(2.0)
17
7
(6.9
6)
117
(4.6
0)
CABLE ENTRY
1/2" NTP(F)
(Options Avail.)
PRESSURE PORT
1/4" BSP(F)A/F 19
(0.74)
4
3
2
1
DescriptionPressure Port
Teflon® O-Ring
Diaphragm
Conical Plunger
No.1.
2.
3.
4.
75 30Bulletin No. KA170615
HYDRAULIC RANGESFC/FE
H1T
H2T
H4T
H1H
H2H
H4H
H7H
0.5 - 10(7.25 - 145.04)
2 - 20(29.00 - 290.08)
5 - 40(72.52 - 580.15)
10 - 100(145.04 - 1450.38)
7 - 200(101.53 - 2900.76)
40 - 400(580.15 - 5801.52)
70 - 700(1015.00 - 10150.00)
Differential* bar (psi)
150(2175.00)
200(2900.76)
200(2900.76)
200(2900.76)
400(5801.52)
500(7251.90)
1000(14500.00)
Range Code Rangebar (psi)
MaximumWorking Pressure
bar (psi)
0.5(7.25)
2(29.00)
5(72.52)
12(174.045)
24(348.09)
70(1015.27)
100(1450.00)
ApproximateMaximumfor "A1"
microswitch
* Minimum differential increases with setpoint (Graphs available on request)
* Differentials of miroswitches A2 through A9 will vary. Differentials for A7 are typically twice that for A1 microswitch.Please indicate specifically the differential value in enquiry/order, when it is critical in your application.
RANGE SELECTION TABLE
75 31Bulletin No. KA170615
HO
W T
O O
RD
ER
FL
AM
EP
RO
OF
HY
DR
AU
LIC
RA
NG
E P
RE
SS
UR
E S
WIT
CH
ES
No
n s
tan
da
rda
lloca
tion
Ga
s G
rou
pC
lass
ifica
tion
Ca
ble
En
try
Siz
e
Sw
itch
Typ
eR
an
ge
Co
de
(va
lue
s in
ba
r)
Mic
rosw
itch
Typ
eD
iap
hra
gm
Gro
up
1G
rou
p 2
Gro
up
3G
rou
p 4
Gro
up
5G
rou
p 6
Gro
up
8G
rou
p 7
FC
=
Fla
me
pro
of
pre
ssu
re s
witc
h,
AT
Ex
& IE
CE
x a
pp
rove
d, w
ith
Alu
min
ium
he
ad
a
s p
er
IS/IE
C
60
07
9-1
fo
r G
as
Gr. IIC
FE
=
IP6
6 F
lam
ep
roo
f p
ress
ure
sw
itch
, K
LP
L a
pp
rove
d
Re
serv
ed
fo
r n
on
-sta
nd
ard
o
ptio
ns
no
t co
vere
d in
ca
talo
gu
e. W
ill
be
giv
en
by
ma
nu
fact
ure
r,
on
ly a
fte
r a
gre
em
en
t o
f su
pp
ly d
eta
ils
with
cu
sto
me
r.
0 =
Ne
op
ren
e
1 =
Teflo
n
2 =
SS
31
6L
3 =
Ha
ste
lloy
C
4 =
Mo
ne
l
5 =
Tita
niu
m
6 =
Tan
talu
m
7 =
Inco
ne
l
Gro
up
1G
rou
p 2
Gro
up
3G
rou
p 4
Gro
up
5G
rou
p 6
Gro
up
8G
rou
p 7
eg
. A fl
am
ep
roo
f sw
itch
for g
as
gro
up
IIC
, with
½"
NP
T c
ab
le e
ntr
y in
alu
min
ium
ho
usi
ng
as
1S
PD
T p
ress
ure
sw
itch
, ha
vin
g 5
ba
r to
40
ba
r p
ress
ure
ra
ng
e,
with
15
Am
p. m
icro
switc
h, S
S3
16
pre
ssu
re h
ou
sin
g w
ith ¼
” BS
P p
ort
siz
e &
SS
31
6L d
iap
hra
gm
sh
all
be
sp
eci
fied
by
Ple
ase
sp
eci
fy fu
ll m
od
el n
um
be
r to
avo
id a
mb
igu
ity. If o
nly
th
e first
tw
o g
rou
ps
are
sp
eci
fied
wh
ile o
rde
rin
g, u
nca
libra
ted
sw
itch
es
with
sta
nd
ard
we
tte
d
pa
rts
an
d e
ncl
osu
res
will
be
su
pp
lied
.
FC
1P
1H
4T
A1
2S
1
1 =
Al.
he
ad
½"
NP
T th
rea
ds
2 =
Al.
he
ad
¾"
NP
T th
rea
ds
3 =
Al.
he
ad
M
20
x 1
.5
thre
ad
s
4 =
Gre
y C
I h
ea
d ½
" N
PT
th
rea
ds
5 =
Gre
y C
I h
ea
d ¾
" N
PT
th
rea
ds
6 =
Gre
y C
I h
ea
d M
20
x 1
.5
thre
ad
s
7 =
SS
he
ad
½"
NP
T th
rea
ds
8 =
SS
he
ad
¾"
NP
T
thre
ad
s
9 =
SS
he
ad
M2
0 x
1.5
th
rea
ds
H1
T =
(0.5
- 1
0)
H2
T =
(2 -
20
)
H4
T =
(5 -
40
)
H1
H =
(10
- 1
00
)
H2
H =
(7 -
20
0)
H4
H =
(40
- 4
00
)
H7
H =
(70
- 7
00
)
A1
=G
ener
al p
urpo
se
mic
rosw
itch
rate
d at
15
A; 2
50 V
AC
Gen
eral
pur
pose
m
icro
switc
h ra
ted
at
5 A
; 250
VA
C
Gen
eral
pur
pose
m
icro
switc
h ra
ted
at
5 A
; 250
VA
C
*A2
= H
erm
etic
ally
se
aled
for
corr
osiv
e en
viro
nmen
ts
*A3
= g
old
plat
ed
cont
acts
for
low
vol
tage
ap
plic
atio
ns
*A4
= D
PD
T co
nfig
urat
ion
*A5
= f
or h
igh
DC
ra
tings
*A6
= e
lem
ents
with
ad
just
able
dea
dban
d
*A7
= 2
SP
DT
switc
hing
el
emen
ts
*A8
=
*A9
=
Pre
ssu
re P
ort
M
ate
ria
l / S
ize
S1
=
SS
31
6 / ¼
" B
SP
(F)
S2
=
SS
31
6 / ¼
” N
PT
(F)
P 1
=
pre
ssu
re s
witc
h,
fixe
d d
iffe
ren
tial
with
ou
t sc
ale
P2
=
pre
ssu
re s
witc
h,
fixe
d d
iffe
ren
tial
with
sca
le in
ba
r
P3
=
pre
ssu
re s
witc
h,
fixe
d d
iffe
ren
tial
with
sca
le in
psi
HYDRAULIC RANGES FC/FE
Ple
ase
refe
r P
age
No.
68
for
Pre
ssur
e P
ort o
ptio
ns
Ple
ase
refe
r P
age
No.
69
for
Mic
rosw
itch
optio
ns
* P
leas
e re
fer
note
und
erR
ange
Sel
ectio
n Ta
ble
7532Bulletin No. KA170615
FLANGED PRESSURE SWITCHESFC/FE
FC
PRESSURE CAPSULE DETAILS
Note : wetted parts are mentioned in italics. 1
2
3
4
5
DescriptionANSI FLANGE to your specifications
please refer table for possible combinations
Sealing Ring
Diaphragm
Disc
Plunger
No.1.
2.
3.
4.
5.
INSTALLATION DRAWING
APPROX. DIMENSIONS INmm
inches
CABLE ENTRY
1/2" NPT(F)
(Options Avail.)
22
5.0
(8.9
)
145.0
(5.7)126.0
(5.0)
16
5.0
(6.5
)
110.0
(4.3) 26.0
(1.0)
Ø50.8
35
.1
(1.4
)
(Ø2.0)Ø158.7
(Ø6.2)
1"NB 2500 RF
ANSI FLANGE
Ø158.7
(Ø6.2)
Ø7 (Ø 0.27), Mounting
Holes, 2nos
7533Bulletin No. KA170615
INSTALLATION DRAWING
APPROX. DIMENSIONS INmm
inches
PRESSURE CAPSULE DETAILS
Note : wetted parts are mentioned in italics.
FLANGED PRESSURE SWITCHES FC/FE
FE
1
2
3
4
5
26
(1.02)
Ø158.7
(Ø6.24)
110
(4.33)
35
.1
(1.3
8)
CABLE ENTRY
1/2" NPT(F)
(Options Avail.)
Ø7, Mounting Holes
145.0
(5.7)126
(4.96)
2 nos
1"NB 2500 RF
ANSI FLANGE
20
5
(8.0
7)
14
5
(5.7
0)
DescriptionANSI FLANGE to your specifications
please refer table for possible combinations
Sealing Ring
Diaphragm
Disc
Plunger
No.1.
2.
3.
4.
5.
75 34Bulletin No. KA170615
FLANGED PRESSURE SWITCHESFC/FERANGE SELECTION TABLE
H01
H02
H03
H04
H07
H10
H15
H30
H4T
H1H
H2H
0.1 - 1.0(1.45 - 14.50)
0.1 - 1.5(1.45 - 21.76)
0.2 - 2.6(2.90 - 37.71)
0.2 - 3.6(2.90 - 52.21)
0.5 - 7.0(7.25 - 101.50)
0.5 - 10.0(7.25 - 145.04)
1.0 - 15.0(14.50 - 217.56)
5.0 - 25.0(72.51 - 362.56)
5 - 40(72.51 - 580.15)
10 - 100(145.04 - 1450.38)
7 - 200(101.53 - 2900.76)
Differential* bar (psi)Range Code Range bar (psi) Maximum WorkingPressure bar (psi)
0.10(1.45)
0.12(1.74)
0.15(2.17)
0.20(2.90)
0.20(2.90)
0.40(5.80)
0.50(7.25)
1(14.50)
5(72.51)
12(174.05)
24(348.09)
Approximate Maximumfor "A1" microswitch
* Minimum differential increases with setpoint (Graphs available on request)* Differentials of miroswitches A2 through A9 will vary. Differentials for A7 are typically twice that for A1 microswitch.Please indicate specifically the differential value in enquiry/order, when it is critical in your application.
FLANGE CODE TABLE (Please refer page no. 228 & 229 for more options)
1" NB
2" NB
1" NB
2" NB
1" NB
2" NB
150 #
300#
2500#
1" NB
2" NB
RANGE AVAILABILITY AS PER BORE SIZES*RF*FF
= Raised Face= Flat Face
As per theclass of flange
Please consultSales Office
in case you needclarification on availability
of maximum workingpressure for a
particular range.
SS316L Hastelloy C276 Monel Titanium Tantalum
FF*
IE
IH
IK
IN
JO
JR
RF*
AC
AF
AI
AL
BM
BP
FF*
BS
BV
BY
CB
DC
DF
RF*
DI
DL
DO
DR
ES
EV
FF*
EY
FB
FE
FH
GI
GL
RF*
GO
GR
GU
GX
HY
IB
FF*
LK
LN
LQ
LT
MU
MX
RF*
JU
JX
KA
KD
LE
LH
FF*
OQ
OT
OW
OZ
QA
QD
RF*
NA
ND
NG
NJ
OK
ON
H2T to H2H
Yes
Yes
H01 to H04
NA
Yes
H07
Yes
Yes
H10
Yes
Yes
H15
Yes
Yes
H30
Yes
Yes
7535Bulletin No. KA170615
HO
W T
O O
RD
ER
FL
AM
EP
RO
OF
FL
AN
GE
D P
RE
SS
UR
E S
WIT
CH
ES
No
n s
tan
da
rda
lloca
tion
Ga
s G
rou
pC
lass
ifica
tion
Ca
ble
En
try
Siz
e
Sw
itch
Typ
eR
an
ge
Co
de
(va
lue
s in
ba
r)
Mic
rosw
itch
Typ
eD
iap
hra
gm
Gro
up
1G
rou
p 2
Gro
up
3G
rou
p 4
Gro
up
5G
rou
p 6
Gro
up
8G
rou
p 7
Fla
ng
e S
ize
an
d M
ate
ria
l
FC
=
Fla
me
pro
of
pre
ssu
re s
witc
h,
AT
Ex
& IE
CE
x a
pp
rove
d, w
ith
Alu
min
ium
he
ad
a
s p
er
IS/IE
C
60
07
9-1
fo
r G
as
Gr. IIC
FE
=
IP6
6 F
lam
ep
roo
f p
ress
ure
sw
itch
, K
LP
L a
pp
rove
d
Re
serv
ed
fo
r n
on
-sta
nd
ard
o
ptio
ns
no
t co
vere
d in
ca
talo
gu
e. W
ill
be
giv
en
by
ma
nu
fact
ure
r,
on
ly a
fte
r a
gre
em
en
t o
f su
pp
ly d
eta
ils
with
cu
sto
me
r.
A1
=
AN
SI F
lan
ge
d
pre
ssu
re s
witc
h,
fixe
d d
iffe
ren
tial
with
ou
t sc
ale
A2
=
AN
SI F
lan
ge
d
pre
ssu
re s
witc
h,
fixe
d d
iffe
ren
tial
with
sca
le in
ba
r
A3
=
AN
SI F
lan
ge
d
pre
ssu
re s
witc
h,
fixe
d d
iffe
ren
tial
with
sca
le in
psi
0 =
Ne
op
ren
e
1 =
Te
flon
2 =
SS
31
6L
3 =
Ha
ste
lloy
C
4 =
Mo
ne
l 40
0
5 =
Tita
niu
m
6 =
Ta
nta
lum
Gro
up
1G
rou
p 2
Gro
up
3G
rou
p 4
Gro
up
5G
rou
p 6
Gro
up
8G
rou
p 7
eg
. A fl
am
ep
roo
f sw
itch
for g
as
gro
up
IIC
, with
½" N
PT
ca
ble
en
try
in a
lum
iniu
m h
ou
sin
g w
ith a
n A
NS
I fla
ng
e, h
avi
ng
0.5
ba
r to
7 b
ar p
ress
ure
ra
ng
e, w
ith 1
5
Am
p. m
icro
switc
h, 1
" N
B 1
50
# R
F S
S3
16
L fl
an
ge
& S
S3
16
L d
iap
hra
gm
sh
all
be
sp
eci
fied
by
Ple
ase
sp
eci
fy fu
ll m
od
el n
um
be
r to
avo
id a
mb
igu
ity. If o
nly
th
e first
tw
o g
rou
ps
are
sp
eci
fied
wh
ile o
rde
rin
g, u
nca
libra
ted
sw
itch
es
with
sta
nd
ard
we
tte
d
pa
rts
an
d e
ncl
osu
res
will
be
su
pp
lied
.
FC
1A
1H
07
A1
2A
C
H0
1 =
0.1
- 1
.0
H0
2 =
0.1
- 1
.5
H0
3 =
0.2
- 2
.6
H0
4 =
0.2
- 3
.6
H0
7 =
0.5
- 7
.0
H1
0 =
0.5
- 1
0.0
H1
5 =
1.0
- 1
5.0
H3
0 =
5.0
- 2
5.0
H4
T =
5 -
40
H1
H =
10
- 1
00
H2
H =
7 -
20
0
A1
=G
ener
al p
urpo
se
mic
rosw
itch
rate
d at
15
A; 2
50 V
AC
*A2
= H
erm
etic
ally
se
aled
for
corr
osiv
e en
viro
nmen
ts
*A3
= g
old
plat
ed
cont
acts
for
low
vo
ltage
app
licat
ions
*A4
= D
PD
T co
nfig
urat
ion
*A5
= f
or h
igh
DC
ra
tings
*A6
= e
lem
ents
with
ad
just
able
dea
dban
d
*A7
= 2
SP
DT
switc
hing
ele
men
ts
*A9
= G
ener
al
purp
ose
mic
rosw
itch
rate
d a
t 5
A; 2
50
VAC
Ple
ase
se
lect
as
pe
r F
lan
ge
Co
de
Ta
ble
Ple
ase
cont
act S
ales
O
ffice
for
mor
e m
icro
switc
h op
tions
* P
leas
e re
fer
note
und
erR
ange
Sel
ectio
n Ta
ble
1 =
Al.
he
ad
½"
NP
T th
rea
ds
2 =
Al.
he
ad
¾"
NP
T th
rea
ds
3 =
Al.
he
ad
M
20
x 1
.5
thre
ad
s
4 =
Gre
y C
I h
ea
d ½
" N
PT
th
rea
ds
5 =
Gre
y C
I h
ea
d ¾
" N
PT
th
rea
ds
6 =
Gre
y C
I h
ea
d M
20
x 1
.5
thre
ad
s
7 =
SS
he
ad
½"
NP
T th
rea
ds
8 =
SS
he
ad
¾"
NP
T
thre
ad
s
9 =
SS
he
ad
M2
0 x
1.5
th
rea
ds
FLANGED PRESSURE SWITCHES FC/FE
75 36Bulletin No. KA170615
INSTALLATION DRAWING
APPROX. DIMENSIONS INmm
inches
145.0
(5.71)
126.0
(4.96)
High Pressure Port
1/4" BSP(F)Low Pressure Port
1/4" BSP(F)
22
7.0
(8.9
4)
16
7.0
(6.5
7)
34.5(1.36)
110.0
(4.33)
26.0
(1.02)
Cable Entry
1/2" NPT(F) (Options Avail.)
Ø7 (Ø 0.27), Mounting
Holes, 2nos
PRESSURE CAPSULE DETAILS
Note : wetted parts are mentioned in italics.
DescriptionPressure Housing
HP Plunger (SS316)
Disc
Diaphragm
LP Plunger (SS316)
Junction Plate
Sealing 'O' Ring (Teflon)
Sealing diaphragms (Teflon)
'O' ring (Teflon)
CSK screw (SS)
No.1.
2.
3.
4.
5.
6.
7.
8.
9.
10.
1
2
3
4
5
6
7
8
9
10
HIGH RANGE PRESSURE DIFFERENCE SWITCHESFC/FE
FC
75 37Bulletin No. KA170615
INSTALLATION DRAWING
APPROX. DIMENSIONS INmm
inches
PRESSURE CAPSULE DETAILS
Note : wetted parts are mentioned in italics.
HIGH RANGE PRESSURE DIFFERENCE SWITCHES FC/FE
FE
145
(5.7) 126
(4.96)
18
6
(7.3
2)
12
6
(4.9
6)
1/4" BSP(F)
Low Pressure Port
34
.5
(1.3
5)
1/4" BSP(F)
High Pressure Port
Cable Entry
1/2" NPT(F)
(Options Avail.)
Ø7, Mounting Holes
2 nos
110
(4.33)26
(1.02)
50.8
(2.0)
DescriptionPressure Housing
HP Plunger (SS316)
Disc
Diaphragm
LP Plunger (SS316)
Junction Plate
Sealing 'O' Ring (Teflon)
Sealing diaphragms (Teflon)
'O' ring (Teflon)
CSK screw (SS)
No.1.
2.
3.
4.
5.
6.
7.
8.
9.
10.
10
91
2
3
4
5
6
7
8
7538Bulletin No. KA170615
HIGH RANGE PRESSURE DIFFERENCE SWITCHESFC/FERANGE SELECTION TABLE
H01
H02
H03
H04
0.1 - 1.0(1.45 - 14.50)
0.1 - 1.5(1.45 - 21.76)
0.2 - 2.6(2.90 - 37.71)
0.2 - 3.6(2.90 - 52.21)
Differential* bar (psi)
12(174.05)
12(174.05)
12(174.05)
12(174.05)
Range Code Rangebar (psi)
MaximumWorking Pressure
bar (psi)
0.12(1.74)
0.20(2.90)
0.20(2.90)
0.30(4.35)
ApproximateMaximumfor "A1"
microswitch
*Minimum differential increases with setpoint (Graphs available on request)
* Differentials of miroswitches A2 through A9 will vary. Differentials for A7 are typically twice that for A1 microswitch.Please indicate specifically the differential value in enquiry/order, when it is critical in your application.
, values with neoprene diaphragm
7539Bulletin No. KA170615
HIGH RANGE PRESSURE DIFFERENCE SWITCHES FC/FEH
OW
TO
OR
DE
R F
LA
ME
PR
OO
F H
IGH
RA
NG
E P
RE
SS
UR
E D
IFF
ER
EN
CE
SW
ITC
HE
S
No
n s
tan
da
rda
lloca
tion
Ga
s G
rou
pC
lass
ifica
tion
Ca
ble
En
try
Siz
e
Sw
itch
Typ
eR
an
ge
Co
de
(va
lue
s in
ba
r)
Mic
rosw
itch
Typ
eD
iap
hra
gm
Gro
up
1G
rou
p 2
Gro
up
3G
rou
p 4
Gro
up
5G
rou
p 6
Gro
up
8G
rou
p 7
0 =
Ne
op
ren
e
1 =
Teflo
n
FC
=
Fla
me
pro
of
pre
ssu
re s
witc
h,
AT
Ex
& IE
CE
x a
pp
rove
d, w
ith
Alu
min
ium
he
ad
a
s p
er
IS/IE
C
60
07
9-1
fo
r G
as
Gr. IIC
FE
=
IP6
6 F
lam
ep
roo
f p
ress
ure
sw
itch
, K
LP
L a
pp
rove
d
Re
serv
ed
fo
r n
on
-sta
nd
ard
o
ptio
ns
no
t co
vere
d in
ca
talo
gu
e. W
ill
be
giv
en
by
ma
nu
fact
ure
r,
on
ly a
fte
r a
gre
em
en
t o
f su
pp
ly d
eta
ils
with
cu
sto
me
r.
D1
=
pre
ssu
re
diff
ere
nce
sw
itch
, fix
ed
diff
ere
ntia
l w
itho
ut sc
ale
D2
=
pre
ssu
re
diff
ere
nce
sw
itch
, fix
ed
diff
ere
ntia
l w
ith s
cale
in b
ar
fixe
d d
iffe
ren
tial
D3
=
pre
ssu
re
diff
ere
nce
sw
itch
, w
ith s
cale
in p
si
H0
1=
(0.1
- 1
.0)
H0
2=
(0.1
- 1
.5)
H0
3=
(0.2
- 2
.6)
H0
4=
(0.2
- 3
.6)
Gro
up
1G
rou
p 2
Gro
up
3G
rou
p 4
Gro
up
5G
rou
p 6
Gro
up
8G
rou
p 7
eg
. A
fla
me
pro
of
switc
h f
or
ga
s g
rou
p I
IC,
with
½"
NP
T c
ab
le e
ntr
y in
alu
min
ium
ho
usi
ng
as
1S
PD
T p
ress
ure
diff
ere
nce
sw
itch
, h
avi
ng
0.1
ba
r to
1 b
ar
pre
ssu
re ra
ng
e, w
ith 1
5 A
mp
. mic
rosw
itch
, SS
31
6 p
ress
ure
ho
usi
ng
with
¼” B
SP
po
rt s
ize
& n
eo
pre
ne
dia
ph
rag
m s
ha
ll b
e s
pe
cifie
d b
y
Ple
ase
sp
eci
fy fu
ll m
od
el n
um
be
r to
avo
id a
mb
igu
ity. If o
nly
th
e first
tw
o g
rou
ps
are
sp
eci
fied
wh
ile o
rde
rin
g, u
nca
libra
ted
sw
itch
es
with
sta
nd
ard
we
tte
d
pa
rts
an
d e
ncl
osu
res
will
be
su
pp
lied
.
FC
1D
1H
01
A1
0S
1
Fo
r a
dd
itio
na
l we
tte
d p
art
sp
lea
se c
on
tact
Sa
les
Offic
e
A1
=G
ener
al p
urpo
se
mic
rosw
itch
rate
d at
15
A; 2
50 V
AC
Gen
eral
pu
rpos
e m
icro
switc
h ra
ted
at
5 A
; 250
VA
C
*A2
= H
erm
etic
ally
se
aled
for
corr
osiv
e en
viro
nmen
ts
*A3
= g
old
plat
ed
cont
acts
for
low
vo
ltage
app
licat
ions
*A4
= D
PD
T co
nfig
urat
ion
*A5
= f
or h
igh
DC
ra
tings
*A6
= e
lem
ents
with
ad
just
able
dea
dban
d
*A7
= 2
SP
DT
switc
hing
ele
men
ts
*A9
=
Pre
ssu
re P
ort
M
ate
ria
l / S
ize
S1
=
SS
31
6 / ¼
" B
SP
(F)
S2
=
SS
31
6 / ¼
” N
PT
(F)
1 =
Al.
he
ad
½"
NP
T th
rea
ds
2 =
Al.
he
ad
¾"
NP
T th
rea
ds
3 =
Al.
he
ad
M
20
x 1
.5
thre
ad
s
4 =
Gre
y C
I h
ea
d ½
" N
PT
th
rea
ds
5 =
Gre
y C
I h
ea
d ¾
" N
PT
th
rea
ds
6 =
Gre
y C
I h
ea
d M
20
x 1
.5
thre
ad
s
7 =
SS
he
ad
½"
NP
T th
rea
ds
8 =
SS
he
ad
¾"
NP
T
thre
ad
s
9 =
SS
he
ad
M2
0 x
1.5
th
rea
ds
Ple
ase
refe
r P
age
No.
68
for
Pre
ssur
e P
ort o
ptio
ns
Ple
ase
refe
r P
age
No.
69
for
Mic
rosw
itch
optio
ns
* P
leas
e re
fer
note
und
erR
ange
Sel
ectio
n Ta
ble
75 40Bulletin No. KA170615
PRESSURE CAPSULE DETAILS
Note : wetted parts are mentioned in italics.
DescriptionSealing Diaphragm (Teflon)
Sealing O Ring (Teflon)
Disc
Sealing O Ring
HP Plunger
LP Plunger
O Ring
Diaphragm
Csk. Screw (S.S.)
Pressure Housing
No.1.
2.
3.
4.
5.
6.
7.
8.
9.
10.
1
2
3
4
5
6
7
8
9
10
INSTALLATION DRAWING
APPROX. DIMENSIONS INmm
inches
126.0
(4.96)
22
7.0
(8.9
3)
110.0
(4.33)
1/4" BSP(F)
LOW PRESSURE PORTA/F 22
Ø7, MOUNTING HOLES
2 NOS
CABLE ENTRY
1/2" NPT(F)(Options Avail)
26.0
(1.02)
16
7.0
(6.5
7)
145.0
(5.71)
1/4" BSP(F)
HIGH PRESSURE PORT(A/F 0.86)
HIGH PROOF HIGH RANGE PRESSURE DIFFERENCE SWITCHESFC/FE
FC
7541Bulletin No. KA170615
INSTALLATION DRAWING
APPROX. DIMENSIONS INmm
inches
PRESSURE CAPSULE DETAILS
Note : wetted parts are mentioned in italics.
5
4
3
2
1 6
7
8
9
10
DescriptionSealing Diaphragm (Teflon)
Sealing O Ring (Teflon)
Disc
Sealing O Ring
HP Plunger
LP Plunger
O Ring
Diaphragm
Csk. Screw (S.S.)
Pressure Housing
No.1.
2.
3.
4.
5.
6.
7.
8.
9.
10.
HIGH PROOF HIGH RANGE PRESSURE DIFFERENCE SWITCHES FC/FE
FE
126.0
(4.96)
19
6.0
(7.7
1)
110.0
(4.33)
1/4" BSP(F)
LOW PRESSURE
PORT
22 A/F
Ø7, MOUNTING HOLES
2 NOS
26.0
(1.02)
145.0
(5.71)
1/4" BSP(F)
HIGH PRESSURE PORT(0.86)
Ø72
(2.83)
13
6.0
(5.3
5)
75 42Bulletin No. KA170615
RANGE SELECTION TABLE
P01
P02
P03
P04
0.1 - 1.0(1.45 - 14.50)
0.1 - 1.5(1.45 - 21.76)
0.2 - 2.6(2.90 - 37.71)
0.2 - 3.6(2.90 - 52.21)
Differential* bar (psi)
200(2900.76)
200(2900.76)
200(2900.76)
200(2900.76)
Range Code Rangebar (psi)
MaximumWorking Pressure
bar (psi)
*Minimum differential increases with setpoint (Graphs available on request)
* Note :Microswitches A2 through A9 can be supplied in some ranges and differentials will vary with microswitch used.Please contact sales office for details. Please check availability of adjustable differential with sales office.
0.24(3.48)
0.40(5.80)
0.40(5.80)
0.60(8.70)
ApproximateMaximumfor "A1"
mic
Recommended