2'' EXP Metallic Air Operated Diaphragm Pump

PX20X-XXX-XXX-B

Maximum Flow gpm (lpm): 172 (651)

Maximum Discharge Pressure psi (bar): 120 (8.3)

Fluid Ports Inlet/Outlet (bsp): 2” NPTF Rp2 (2-11 BSP) (Side or Center) 2” ANSI/DIN Flange with 2” pipe tap (SS only/Center)

Material of Construction: Aluminum, Cast Iron, Stainless Steel, Hastelloy®

Maximum Solids in (mm): 1/4 (6.4)

Maximum Dry Suction Lift ft (m): 14 (4.2)

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Overview

ARO EXP 2” metallic pumps achieve flow rates of up to 172 GPM (651 LPM) and offer a wide array of material and porting configurations. These pumps are often used for transfer, filling, recirculation and batching in Ceramic, Paint, Oil & Gas, Chemical and Petrochemical markets.

Available with Long-life PTFE diaphragms.

Features

The Ultimate in heavy duty pump design.

Up to 4 times the life of traditional diaphragm pumps due to the EXP's new convoluted diaphragm design.

Efficiency - Simul-Shift™ valve provides ultra-positive, reliable shift signal

Reliability - ARO's patented 'Unbalanced' air valve ensures no-stall operation

Versatility - Broad range in materials of construction for optimum fluid compatibility

Environmentally Sound -Bolted construction for leak-free fluid handling and ribless fluid caps to eliminate cracking

Serviceability - Easier service through modular design

Accessories

66312 Air Line Connection Kit: contains Piggyback Filter / Regulator, pipe nipple & 5’ section of hose
67237 Diaphragm Failure Detection Kit
67350-1 Cycle Counter Kit
67263 Continuous-Duty Muffler
67174-20 Screened Inlet Adapter Kit
637369 Air Section Service Kit for PX30R
637421 Air Section Service Kit for PX20A and PX20S
637309-XX Fluid Section Service Kit

Pump Casing Materials

Aluminum
Cast Iron
Stainless Steel
Hastelloy-C

Diaphragm Material

Long Life PTFE
Polypropylene
Hytrel
Nitrile
Medical Grade Santoprene
PTFE(PTFE)/Santoprene backer
Viton

Specifications

Ratio: 1:1

Maximum GPM (LPM): 172 (651)

Displacement per cycle: 1.4 (5.3) @ 100 psi Gallons (Liters)

Air Inlet (Female): 3/4 - 14 N.P.T.F.-1

Fluid Inlet/Outlet (Female):
PX20X-AXX-XXX-B( ) 2 - 11-1/2 N.P.T.F.-1
PX20X-BXX-XXX-B( ) Rp 2 (2 - 11 BSP parallel)
PX20X-FXX-XXX-B( ) 2” A.N.S.I./DIN Flange

Max. operating pressure psi (bar): 120 (8.3)

Suspended solids max. dia. in. (mm): 1/4” (6.4)

Maximum dry suction lift ft (m): 14 (4.2)

Sound Level: 70 PSI 50 Cycles/Min 85.0 db(A)

Muffler Included: 67389

Weight lbs (kg): See Catalog