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04.06
Drain Taps,Gland Cocks,
De-Aerators and Air Vents
SECTION11a
Tel: +44 (0)1695 712800 Fax: +44 (0)1695 712820Email: [email protected]
Hattersley-Section 11a 25/4/06 10:41 am Page 1
Contents
Drain Taps, Gland Cocks, De-Aerators and Air Vents
04.06
Contents PageFigure Number Index 2Malleable Iron Levers 2Gland Cocks Data Sheet 3De-Aerator Data Sheets 4-5Air Vent Data Sheet 6Bronze Draining Taps 7
Numerical Index
Fig No Page81HU 3770 4771 5775 6370 7371 7
In this catalogue we have endeavoured to make the information as accurate aspossible, and we cannot accept any responsibility should it be found that in anyrespect the information is inaccurate or incomplete or becomes so as a result offurther developments.
2
Malleable Iron LeversMI Lever No Y1 Y2 Y3 Y4 Y5 Y6 Y7 Y8 Y9Square Size mm 8.7 9.5 10.3 12.7 14.3 15.9 19.1 22.2 25.4
Malleable Iron Levers - ContinuedMI Lever No D1 D2 D3 D31/2 D41/2 D5 D6 D7 D71/2 D8Square Size mm 7.9 10.3 11.1 13.5 15.9 17.5 19.1 23.8 26.2 31.8
Operation of Three-way Cocks with L Port
Operation of Three-way Cocks with T Port
Hattersley-Section 11a 25/4/06 10:41 am Page 2
04.06 3
0 20 40 60 80 100 120140Temperature ˚C
12
10
8
6
2
0
Pre
ssur
e ba
r
4
Fig. 81HU
Bronze Hose Union Gland CockPN10
Material Specification
Specification
Component Material BS EN ASTM
Gland (1/2” to 1”) Brass 12165 CW617N B124 Alloy 2
Gland (11/4” to 2”) Bronze 1982 CC491K B62
Gland Packing Asbestos Free
Plug Bronze 1982 CC491K B62
Cap and Tail Brass 12164 CW614N B455-385
Body Bronze 1982 CC491K B62
Dimensions
Nominal Size in 1/4 3/8 1/2 3/4 1 11/4 11/2A mm 95 102 93 117 145 184 203
B mm 47 54 54 64 79 90 100
MI Lever No Y1 Y2 D2 D31/2 D41/2 Y6 Y7
Weight kg 0.32 0.35 0.38 0.67 1.2 1.5 2.5
Malleable Iron Levers
MI Lever No Y1 Y2 D2 D31/2 D41/2 Y6 Y7
Square Size mm 8.7 9.5 10.3 13.5 15.9 15.9 19.1
Pressure/Temperature Rating10 bar 0 to 120ºC
Test Pressures (Hydraulic)Body: 20 bar
Specification90º operationSizes 1/2” to 1” supplied complete withcap and strap. Other sizes availablewith cap and chain on request.Plugs have square heads with a slot to indicate plug position.Malleable iron levers availableon request.Malleable iron lever can be pinned tothe plug head at extra chargeThreads to BS 21 (ISO7 RP)Fig 81HU Gland Cocks are not suitablefor gas service.
A
B
Hattersley-Section 11a 25/4/06 10:41 am Page 3
0 20 40 60 80 100 120140Temperature ˚C
12
10
8
6
2
0
Pre
ssur
e ba
r
4
Fig. 770
Brass De-AeratorPN10
Material Specification
Specification
Component Material BS EN ASTM
Air Vent Brass 12165 CW617N B124 Alloy 2
Cover Brass 12165 CW617N B124 Alloy 2
Vent Mechanism Body Brass 12165 CW617N B124 Alloy 2
Vent Mechanism Polypropylene
Separator Stainless Steel AISI 304
Seals EPDM
Body Brass 12165 CW617N B124 Alloy 2
Drain Plug Brass 12165 CW617N B124 Alloy 2
Dimensions
Nominal Size in 3/4 1 11/4 11/2 2
A mm 110 110 124 124 130
B mm 146 146 166 166 160
C mm 59 59 59 59 65
Weight kg 1.7 1.7 2.2 2.2 2.5
Flow Rate at 1.2 m/s
Nominal Size in 3/4 1 11/4 11/2 2
Quantity l/s 0.44 0.70 1.22 1.65 2.65
Quantities based on BS 1387 Medium grade pipe.
04.064
Pressure / Temperature Rating10 bar 0 to 120ºC
Test Pressure (Hydraulic)Body 10 bar
SpecificationBrass body and coverPolypropylene floatEPDM sealsStainless steel separatorDrain plugEnds threaded internally to BS 21 parallel (ISO 7)
Flow VelocityRecommended maximum velocity offlow 1.2 m/s
A
B
C
Hattersley-Section 11a 25/4/06 10:41 am Page 4
10.01.1 504.06
0 20 40 60 80 100 120140Temperature ˚C
12
10
8
6
2
0
Pre
ssur
e ba
r
4
Fig. 771
Steel De-AeratorPN10
Material Specification
Specification
Component Material BS EN ASTM
Air Vent Brass 12165 CW617N B124 Alloy 2
Cover Brass 12165 CW617N B124 Alloy 2
Vent Mechanism Body Brass 12165 CW617N B124 Alloy 2
Vent Mechanism Polypropylene
Separator Stainless Steel AISI 304
Seals EPDM
Body Steel
Epoxy Coated
Drain Valve DZR 12165 CW602N
Dimensions
Nominal Size in 50 65 80 100 125 150
A mm 350 350 466 470 635 635
B mm 374 374 435 435 545 545
C mm 205 205 233 233 303 303
D mm 169 169 219 219 324 324
E - BSP in 1 1 1 1 1 1
Volume litre 7 7 18 18 52 52
Weight kg 16 16.5 29 31 49 54
Flow Rate at 1.5 m/s
Nominal Size in 50 65 80 100 125 150
Flow Rate l/s 3.3 5.5 7.6 13.0 19.9 28.4
Flow Rate based on BS 1387 Medium grade pipe.
A
E
D
B
C
Pressure / Temperature Rating10 bar 0 to 120ºC
Test Pressure (Hydraulic)Body 10 bar
SpecificationCarbon steel body epoxy coatedexternallyDrain valve to remove debrisManual air vent to release air duringsystem fillingBrass air ventPolypropylene FloatEPDM sealsStainless steel separatorPreformed insulation jacket availableFlanges to BS 4504 PN16
Flow VelocityRecommended maximum velocity of flow 1.5 m/s
Hattersley-Section 11a 25/4/06 10:41 am Page 5
6
0 20 40 60 80 100 120 140Temperature ˚C
12
10
8
6
2
0
Pre
ssur
e ba
r
4
Max Discharge Pressure
Fig 775
Automatic Air VentPN10
Dimensions
Nominal Size mm 3/8 1/2 3/4 1
A mm 48 48 48 48
B mm 54.5 54.5 56 56
C mm 11.5 11.5 12.5 12.5
D mm 89.5 89.5 92 92
Weight kg 0.18 0.18 0.25 0.25
With Non Return Valve
C mm 28 28 - -
D mm 106 106 - -
Weight kg 0.23 0.23 - -
Material Specification
Specification
Component Material BS EN
Body Brass 12165 CW617N
Cover Brass 12165 CW617N
Float Polypropylene
Seals EPDM
Anti Vacuum Cap Brass 12165 CW617N
Non Return Valve Brass 12165 CW617N
A
D
D
Pressure / Temperature Rating10 bar at 120ºC
Maximum Discharge Pressure2.5 bar
SpecificationBrass body and cover Polypropylene floatEPDM sealsWRAS approved productAnti vacuum capBSP parallel threadNon return valve option available insizes 3/8” and 1/2”Isolation valve option available in sizes3/4” and 1”
NoteThe non return valve base allows theautomatic air vent to be removedwithout draining the system
C
C
B
04.06
Hattersley-Section 11a 25/4/06 10:41 am Page 6
04.06
Pressure/Temperature RatingSuitable for pressures of 13 bar up toa maximum temperature of 120°C
Fig. 370 - 371
Bronze Draining Taps
7
Fig. 370 Bronze Draining Tap Fig. 371 Bronze Draining Tap -Lockshield Pattern
A
C
Fig. 370
Fig. 371
B
A
C
B
Dimensions
Nominal Size in 1/2 3/4 1
A (370) mm 57 73 79
A (371) mm 59 75 83
B mm 13 16 19
C mm 10 10 11
Lockshield Key Fig No 391 391 393
Ref 2 3 6
Weight kg 0.22 0.36 0.68
Hattersley-Section 11a 25/4/06 10:41 am Page 7