Page 42 - ARO隔膜泵英格索兰

Centrifugal Pump Models

SPECIALTY PUMP

ARO’s pneumatic centrifugal pumps provide effective flow rates up to 230 gpm (870.5 lpm). Compact in size,
these pumps are useful for dewatering trenches, holes, bilges, pits or other bodies of standing water. These
pumps are used by municipalities, utilities, mines, ships, construction and industrial sites.

Maximum Flow gpm (lpm): 200 (757) P237AX-EU
230 (870.5) P35AX-EU
Air Inlet (Female): 3/4 -14 NPT (P237AX-EU)
1 - 11-1/2 NPT (P35A1-EU)
Fluid Inlet: Screened Inlet
Fluid Outlet: 2” NPTF P35A1-EU
2-1/2” NPTF P237A1-EU
2-1/2” BSP P237A3-EU
Max. operating pressure psi (bar): 90 (6.2)
Air Consumption in CFM: P237AX-EU 100
P35A1-EU 160 Centrifugal Pump Dimensional Data and Flow Charts
Suspended solids max. dia in (mm): .25 (6.4)
Height: inches (mm) P237AX-EU 17-5/8 (448)
Pump Housing Material: P237AX-EU Cast Iron
P35A1-EU 22-1/2 (570)
P35A1-EU Cast Iron
Size of opening pump will pass through: inches (mm)
Weight lbs (kg): P237AX-EU 48 (21.8)
P237AX-EU 8-3/4 (222) x 8-3/4 (222)
P35A1-EU 79 (36)
P35A1-EU 8-7/16 (214) x 14-1/16 (357)
 Ordering Discharge Pipe Tap: P237A1-EU 2-1/2” NPTF
P237A3-EU 2-1/2” BSP
Position 1 2 P35A1-EU 2” NPTF
Air Inlet Pipe Tap: P237AX-EU 3/4” NPTF
Example: P237A - X - EU P35A1-EU 1” NPTF
Air Inlet Recommended Hose Size: inches (mm)
Position 1 Position 2
Model Series Discharge Thread P237AX-EU 3/4 (19)
P35A1-EU 1 (25.4)
200-GPM (757-LPM) 1 - 2-1/2" NPT Exhaust Pipe Tap: P237AX-EU 1-1/4” NPTF
3 - 2-1/2" BSP P35A1-EU 1-1/4” NPTF
Exhaust Recommended Hose Size: inches (mm)
Position 1 2
P237AX-EU 1-1/4 (31.7)
Example: P35A - 1 - EU P35A1-EU 1-1/4 (31.7)

Position 1 Position 2
Model Series Discharge Thread DISCHARGE - LITERS PER MINUTE
100 200 300 400 500 600 700 800 900 1000
230-GPM (870-LPM) 1 - 2" NPT 300 90
80
250 SERIES 35
 Accessories Performance is at 90 psi 70
(620 kPa)
Air Line Unit | C28453-810 for P237AX-EU TOTAL HEAD - FEET 200 60 TOTAL HEAD - METERS

50
C28463-810 for P35A1-EU 150 40
C284X3-810 models contain Filter, 100 SERIES 237 30
Regulator and Lubricator units. 20
Service Repair Kits | Repair parts are ordered 50 10

individually.
120
160
200
240
80
Refer to Operator’s Manuals: 0 40 DISCHARGE - U.S. GALLONS PER MINUTE 280
P237AX-EU Pumps: Form P6856 Refer to www.AROzone.com for full size flow curves.
For additional information contact
P35A1-EU Pumps: Form P7263 technical support at 1.800.495.0276
42 AROzone.com • PRO Series Diaphragm Pumps / (800) 495-0276 • arotechsupport@irco.com