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ARO offers a complete line of repair kits to keep your diaphragm pump operating at peak efficiency and maximize its life span.

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Aftermarket

Fluid Section Repair Kits

Authentic ARO^® Fluid Section Kits are the only replacement kits you can count on to restore your ARO equipment to its original performance and quality. They include the following necessary replacement parts to repair the worn fluid section of an ARO air operated diaphragm pump. If check ball seats are damaged, then they will need to be purchased seperately.

Repair Kit Contents:

Set of Diaphragms
Set of CheckBalls or (Flaps/Cones)
Inlet/Outlet Manifold O-Rings
Connecting Rod O-Rings & Other Needed O-Rings
Key-Lube Grease Packet
Operator Manual with Detailed Repair Instructions

A full range of diaphragm and ball check materials are available to meet the needs for every industry and application.

ARO-En-Product-Photo-pulsation-dampeners-V1

Air Section Repair Kits

EXPSeries Air Section Service Kit includes gaskets, 'O' rings, 'U' cups and the Simul-Shift® valve guaranteeing an ultra-positive, reliable shift signal that avoids stall-out.

PROSeries Air Section Service Kit includes the proper gaskets, 'O' rings and 'U' cups needed to complete standard maintenance repair.

ARO-En-Product-Photo-pulsation-dampeners-V2

Enhanced Fluid Section Repair Kits with their associated ball check seats can be purchased as an option. These comprehensive Fluid Section Kits are needed in some applications where ball check seats are worn due to long service life or in applications where abrasive fluids are being pumped. The offering includes the most common Fluid Kits with a wide range of non-metallic seats.

Order the kits with the same part number nomenclature as the pump where in the case of EXP series the 6, 7 and 8position respectfully calls out the seat, ball, and diaphragm material.

For example:

EXP Diaphragm Pump: PD10A-BAP-AAA

Fluid Section Repair Kit + Seats: 637401-AAA

Fluid Section Repair Kit + Seats offering include:

Pump Model	Seat Material	Ball & Diaphragm Mtrl.	Fluid Kit + Seats Part Number
66630	66632	Santoprene	Santoprene
PD30R	PE30R	PM30R	PD30A
Nitrile	Nitrile	637303-GGG
66625	66627	Santoprene	Santoprene
Nitrile	Nitrile	637432-G22
PD20P	PE20P	PD20E	PE20E
Polypropylene	PTFE	637373-PTT
Polypropylene	Santoprene	637373-PAA
PD20R	PD20Y	PE20R	PE20Y
Nitrile	Nitrile	637309-GGG
6661A	6661B	Polypropylene	Neoprene
Polypropylene	Nitrile	637161-322-C

Diaphragm Pump Repair Kits

Fluid and Air Section Kits

Fluid Section Repair Kits

Air Section Repair Kits

Fluid Section Kits + Seats

Fluid Section Repair Kit + Seats offering include: