666056-2A4

666056-2A4

Part of our Compact Series of pumps, our 1/2” classic pumps feature big performance in a small package. With flow rates up to 13 GPM (49.2 LPM) and a wide range of material and porting configurations.

Features

• ARO has the world’s best selling 1/2″ ported diaphragm pump.
• Designed to meet your OEM application needs.
• Efficiency – Motor design delivers optimum air efficiency
• Reliability – ARO’s patented ‘Unbalanced’ air valve ensures no-stall operation
• Versatility – Center, End, Dual Inlet / Outlet, and Swivel Top manifold configurations to fit your specific application
• Environmentally Sound – Bolted construction for leak-free fluid handling
• Serviceability – Ease of service through modular design

Weight	4 kg
Size	1/2''
Centre	Polypropylene
Hardware	Stainless Steel
Thread	BSP
Wetted	Acetal
Diaphragm	PTFE
Ball	Stainless Steel
Seat	Stainless Steel
Air Kit	637141
Wet Kit	637140-A4

Ratio: 1:1 Maximum Flow: (ball) 13 g.p.m. (49.2 l.p.m.) (duckbill) 10 g.p.m. (37.9 l.p.m.) Displacement per cycle: (ball) 0.04 g.p.m. (0.15 l.p.m.) (duckbill) 0.032 g.p.m. (0.12 l.p.m.) Air Inlet: (Female) 1/4 - 18 N.P.T.F. - 1 Fluid Inlet/Outlet: 1/2 - 14 N.P.T.F. - 1 Max. operating pressure: 100 psi (6.9 bar) Suspended solids max. dia.: (ball) 3/32” (2.4-mm) (duckbill) fibers Weight: lbs (kg) Polypropylene 7.2 (3.3) Groundable Acetal 8.8 (4.0) Kynar PVDF 9.5 (4.3) Maximum dry suction lift ft(m) : 15 (4.6) Sound Level: 70 PSI 60 Cycles/Min 71.1 db(A) Muffler: Integral, Included