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Air Operated Diaphragm Pumps

ARO
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2” STAINLESS STEEL PUMPS

NEW!

FEATURES
Stainless Steel Investment Castings

The ARO stainless steel pumps feature investment castings that provide the following:

Low Shear and Low Material Turbulence
Easier Flushing
Lower Weight
Superior Chemical Capability with Improved Abrasion

PERFORMANCE

Ratio:		1:1
Max GPM (LPM):		13 (49)
DISPLACEMENT GALLONS
(lLitters) per Cycle:		1.4 (5.3)
Air Inlet:		3/4” NPTF (f)
Air Exhaust:		1-1/2” X 11 NPTF (f)
Fluid inlet/FluidOutlet:		2” NPTF-1, BSP, 2 1/2”
		Tri Clamp or 2” Class
		150 ANSI/DIN Flange
Max. OP.
Pressure PSI (bar):
DIA. IN. (mm):		1/4 (6.4)
Weight - LBS. (Kg):		122 lbs (56.3 kgs)

* Hastelloy Models Available - The ARO(R) 2”pump can be ordered with Hastelloy body construction for the ultimate in corrosion and chemical resistance.

* Directly Interchangeable with Wilden(R) - The ARO(R) 2” stainless pumps has the exact same footprint and plumbing dimensions as the Wilden(R) M8, making swap-out quick and improved performance immediately.

SPECIFICATION:

Model	Diaphragm
PD20A-ASP-AAA	SANTOPRENE
PD20A-ASP-GGG	NITRILE
PDA20A-ASP-KTT	TEFLON

1” ports 35 gpm
metallic diaphragm pumps


PERFORMANCE
Ratio:		1:1
Max GPM (liters):		13 (49.2 lpm)
Max. Gallons
(CC’s)per Cycle:		...040(.15 liters)
Air Inlet:		1/4” NPT (F)
Fluid Inlet:		1/2” NPT (F)
Fluid Outlet:		1/2” NPT (F)
Max. Operating
Pressure PSI (bar):		100 (6.9)
Suspended Solids
Max. Dia. In. (mm):		3/32” (2.4 mm)
Weight - Lbs. (Kg):		14.6 lbs (6.6 kgs)

SPECIFICATION:

Model	Air Motor	Check Valve Seats	Ball Check Valve	Diaphragm & O-Ring Const.
POLYPROPYLENE WETTED PARTS
666053-322	Polypropylene	Polypropylene	Buna	Buna
666053-344	Polypropylene	Polypropylene	Teflon	Teflon
666053-388	Polypropylene	Polypropylene	Urethane	Urethane
666053-3EB	Polypropylene	Polypropylene	Santoprene	Antoprene
PVDF WETTED PARTS
666057-444	Kynar	Kynar	Teflon	Teflon
666057-4EB	Kynar	Kynar	Santoprene	Antoprene