Page 38 - Ingersoll Rand - ARO Pro Series Diaphragm and Piston Pumps

Specialty Pumps 4:1 Ratio Piston Models
Pro-Series Pumps

4:1 Ratio Piston Pump Performance Specifications
Ratio: 4:1
Maximum Flow: 4.44-g.p.m. (16.79-l.p.m.) NM2304A-X
4.26-g.p.m. (16.12-l.p.m.) NM2304B-X
Flow @ 60-Cycles/min.: 2.12-g.p.m. (8.02-l.p.m.) NM2304A-X
2.13-g.p.m. (8.06-l.p.m.) NM2304B-X
Maximum Rec’d Cycles: 125 per minute NM2304A-X
120 per minute NM2304B-X
3
Displacement per Cycle: 8.2-In (134.3-cm )
3
Air Inlet: (Female) 1/4 - 18 N.P.T.F. - 1
Fluid Inlet: Immersed Inlet (NM2304A-41, -91, -A1)
1-1/2 - 11-1/2 N.P.T.F. - 1 (NM2304A-11, -81, -B1)
1-1/4 - 11-1/2 N.P.S.M. (NM2304B-X)
Fluid Outlet: 3/4 - 14 N.P.T.F. - 1
Max. operating pressure: 150-psi (10.3-bar)
Fluid Pressure Range: 0-600-psi (0-41.4-bar)
Weight: lbs (kg)
NM2304A-11-X11 32 (14.5) NM2304B-11-X1X 32 (14.5)
NM2304A-41-X11 46 (20.9) NM2304B-41-X1X 46 (20.9)
NM2304A-81-X11 31.4 (14.3)
NM2304A-91-X11 45.4 (20.6)
NM2304A-A1-X11 31.0 (14.1)
NM2304A-B1-X11 32 (14.5)
Lower Pump End Series:
NM2304A-X1-X11 67151-X-X11
NM2304B-X1-X1X 6510X-X

Ordering Menus

NM2304A - X 1 - X 1 1

Model Container Packing Spring Plunger
Series Type Material Arrangement Type
Carbon Steel 1 Universal (Stub) C UHMW-PE upper and 1 Coil Spring 1 Standard Carbon
4 55-Gallon Drum lower Steel
8 Universal (Stub) 3 Glass-filled PTFE
without bung upper Virgin PTFE
9 55-Gallon without lower
bung 5 Glass-filled PTFE/
A Stub Follower Plate Leather staggered
B Universal (Stub) with upper Virgin PTFE
alternate bung lower

NM2304B - X 1 - X 1 X

Model Container Packing Spring Plunger
Series Type Material Arrangement Type
Stainless Steel 1 Universal (Stub) C UHMW-PE upper and 1 Coil Spring 1 Standard 300-Series
4 55-Gallon Drum lower Stainless Steel
3 PTFE upper B Ceramic
and lower
W Viton upper/
PTFE lower

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