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MacRoy®
Series of Metering Pumps
MacRoy®
Series of Metering Pumps
MacRoy Features and Specifications» Flow Rates up to 312 GPH (1180 Liters/hr)
» Mechanically Actuated Diaphragm liquid end eliminates flow restrictions
» Durable, metallic housing designed to withstand tough environments
» High efficiency motors minimize heat buildup
» A robust, metallic, worm gear drive coupled with the industrial duty variable eccentric stroke adjustment mechanism yields a 10 to 1 turn down ratio with smooth velocity profiles as compared to the pulsating flows of solenoid pumps or lost motion designs
» Smooth running, low friction bronze gears
» The PTFE, high performance, diaphragm design increases diaphragm life by eliminating the stresses inherent in most designs
» Reliable low flow performance is a result of high performance check valves with machined seats
» All gear components operate in an oil bath for long life
» Precision stroke adjustment can be operated while the pump is running or stopped
» Steady State Accuracy – ± 1% of full capacity over the 10 to 1 turndown ratio
» Liquid Temperature Range – 14° to 122° F (-14° to 50° C)
» Coating – 2 part epoxy
» Average Weight with motor – Frame D: 45 lbs (20 kgs) Frame G: 105 lbs (48 kgs)
The MacRoy® Series
of metering pumps offer
traditional Milton Roy
reliability with outstanding
value for applications up
to 175 psi (12 Bar).
Milton Roy has combined
its heavy-duty industrial
drive technology with state
of the art design and
manufacturing processes
in creating the MacRoy®
Series metering pump.
This family of Mechanically
Actuated Diaphragm
metering pumps is
designed for durability
and cost effectiveness.
MacRoy® Series
Illustrated to the right is a D4 with a PVC liquid end, featuring NPT connections.
General DimensionsApproximate for envelope estimations. Certified prints are available.Dimensions are showing for both D and G frame in inches.
Connection Port Size for the Following materials
FrameLiquidEndSize
Black PP
PVC PVDF 316 ssPolymer Slurry HSO4
Applications
D
NPT Connection SizesConnection Port Size for the Following materials
FrameLiquidEndSize
Black PP, PVC, PVDF & Acrylic 316 SS
HSO4
Applications
24
7 & 85
6 & 7
1/4” Male
1/2” Female
1” Female
1/4” Male1/2” Male
1” Male
1/4” Male
1” Female 1” Male
1/2” Male1/4” Male
PVC
PVDFAcrylicD
D
G
D
G
D
PVDFPVC
PVDF PVDF
Acrylic
G
G
Aflas
Viton PVC
Alloy C22PTFE
Materials of Construction
FrameLiquidEndSize
Black PP
PVC PVDFPolymer Slurry HSO4
ApplicationsFrameLiquidEndSize
Head CheckValve Seals Seats Balls Diaphragm
BlackPolyproylene
PVC
316 SS
PVDF
Polymer ApplicationsSlurry Applications
H2SO4 Applications
D
G
D & GD & GD & G
Material
Black PPPVDF
Aflas
PVC
Ceramic
PTFE
Viton
Aflas
Viton
Aflas
PTFE
Viton
Aflas
PTFE
Viton
PTFE
PP
PVC
316 SS
PVC
PVC316 SSPVDF
316 SS
Alloy C22PTFE
Alloy C22PTFE
PVC
PVDF
Alloy C22PTFE
316 SS 316 SS
316 SS316 SS
CA 20316 SSPTFE
CA 20
24
7 & 85
6 & 724
7 & 85
6 & 72 4
7 & 8All24
7 & 85
6 & 7AllAllAll24
7 & 85
6 & 7
G
MacRoy G with PVC liquid end and manual micrometer stroke adjustment.
Pump Selection by Capacity and PressureMaximum Ratings
GPH Liter/Hr GPH PSI Bar
0.18
0.35
0.48
0.7
3.0
6.6
10
14.4
13
25
34
50
31
57
87
127
0.7
1.3
1.8
2.6
11.4
25
38
45
99
95
129
189
117
216
329
481
0.15
0.29
0.40
0.58
2.5
5.5
6.9
12
10
21
28
42
26
47
72
106
0.6
1.1
1.5
2.2
9.5
21
26
45
39
79
106
159
98
178
273
401
Pump Selection
MacRoy Capacity @ 60 Hz
(1725 RPM)
Capacity @ 50 Hz
(1425 RPM) PressureFrame Liquid
EndGearCode
D
1
2
6
3
1
2
6
3
1
2
6
3
1
2
6
3
2
4
7
8
175
150
100
75
12
10
7
5
26
53
75
106
–
37
74
104
147
–
75
150
213
300
–
98.4
200.6
283.9
401.2
–
140.0
280.1
393.6
556.4
–
283.9
567.8
806.2
1135.5
–
22
44
62
88
110
31
62
87
122
154
62
125
177
250
312
82
167
237
334
416
117
233
328
464
583
237
473
672
946
1181
G
1
2
6
3
8
1
2
6
3
8
1
2
6
3
8
5
6
7
150
100
50
10
7
3.5
Liter/Hr
Ratin
gs b
ased
on
1 H
P (.7
5 kW
)Ra
tings
bas
ed o
n 1/
4 H
P (.2
5 kW
)
MacRoy D & G Product Code
Frame and Liquid End
Gear Ratio
Motor &/ or Mount
Motor &/or Mount8 = 1 ph 60 Hz 115/230 VAC
1725 RPM TEJ = 3 ph 60 Hz 230/460 VAC
1725 RPM TE9 = 1 ph 50 Hz 115/230 VAC
1450 RPM TEL = 3 ph 50 Hz 220/380 VAC
1450 RPM TEM = IEC 71, F130 V1 Flange
Mount Less MotorN = IEC 80, F165 V1 Flange
Mount Less Motor (G Frame only)
X = Nema 56C Mount Less Motor
Liquid End Material2 = PVDF4 = Black Polypropylene
(UV Stable)7 = 316 ss8 = PVCA = AcrylicP = Polymer ServiceL = Slurry ApplicationsN = H2SO4 Applications
ConnectionsP = NPTT = TubingB = Bleed Valve NPTC = Bleed Valve Tubing
Capacity ControlM4 = ManualE1 = 4-20, Nema 4, 115VE2 = 4-20, Nema 4, 230VEA = 4-20, Ex Prf, 115VEB = 4-20, Ex Prf, 230V
Double DiaphragmN = NoneD = Double Diaphragm3 = Double Diaphragm w/
Gauge4 = Double Diaphragm
w/Nema 4 Rupture Detection
7 = Double Diaphragm w/Nema 7 Rupture Detection
Base CodeN = None1 = Simplex Optional Base
Stroke CountingN = None1 = Stroke Counting
(20 to 250 VAC/DC)
Frame and Liquid EndD Frame
D2D4D7D8
G FrameG5G6G7
Gear Ratio Code1 = 43 SPM2 = 86 SPM6 = 120 SPM3 = 173 SPM8 = 180 SPM @
1450 RPM
Liquid End
Material
Connections Capacity Control
BaseDouble Diaphragm
Stroke Counting
The photograph to the right is a D4 with a PVC liquid end, featuring NPT style check valves.
Milton Roy Company201 Ivyland Road » Ivyland, PA 18974-0577 » ph: 215.441.0800 » 800-693-4295 » fax: 214.441.8620 » www.miltonroy.com » email: [email protected]
PD 3212 4/11
AccessoriesSafety Valves
Protect pump and piping
from overpressure.
Back Pressure Valves
Provide smooth, artificial
pressure in pump discharge
line for atmospheric or low
pressure systems to ensure
pumping accuracy.
Pulsation Dampeners
Minimize pressure and flow
surges in the pump discharge.
When applied to pump inlet,
more favorable NPSH
conditions result.
Calibration Columns
Allow periodic verification of
pump performance during
routine checks or after
system maintenance.
MacRoy, Dependable and Versatile
The MacRoy™ series of pumps has
proven its exceptional value over years
of solid performance in a wide range
of applications and industries. Water
treatment chemicals, process additives,
acids, out-gassing fluids, slurries, and many
more applications are all handled with
ease by this robust metering pump
design. Your local representative can
assist you in applying the MacRoy™
metering pump to your process.