ARO EXP 2” metallic diaphragm pumps achieve flow rates of up to 172 GPM (651 l/min) 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
- Garlock ONE-UP®/EPDM backer
- Garlock ONE-UP®/Neoprene backer
- Garlock ONE-UP®/Viton backer
- 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
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