2" ARO PD20A Cast Iron

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

• Cast Iron

Valve Seat Material

• Hardened Stainless Steel

Diaphragm Material

• Santoprene