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General Pump Logo

A leader in quality hydrostatic testing equipment since 1969.

Contact Us for Sales or Service

   A leader in quality hydrostatic testing equipment since 1969.

Contact Us for Sales or Service

Air Powered Hydrostatic Testers

Featuring the UHP Series (pressures up to 10,000 PSI) and the AR Series (pressures up to 3000 PSI). Read about each to find the best one for your needs. Contact us for any product questions or to order!

Air-Powered Ultra High Powered Hydrostatic Test Units

UHP Series

Air hoseAir-Powered Ultra High Powered Hydrostatic Test Units

These low volume output units are very light weight and can provide up to 10,000 PSI pressure with 100 PSI air supply.

Furnished complete with all air controls, high pressure safety pop off water pressure valve, bleed down valve and outlet hose. Pumps include soft seal check valves.  

UHP Series Models include:

MODEL UHP-AR6,000 6,000 PSI MAX 0.5 GPM
MODEL UHP-AR10,000 10,000 PSI MAX 0.2 GPM

AR 1.5 Air Powered Hydrostatic Testers

AR1.5 Series

Air Powered Hydrostatic Testers

The AR1.5 Series Air Powered Hydrostatic Testers provide pressure up to 1000 PSI. They are completely portable, safe, rugged, money saving and can be used whenever hydrostatic testing is necessary. Size, height and volume of the system being tested present no problem. Units are designed for use with water, but will operate with other liquids including oils, glycols and fluids compatible with Buna-N materials.  

All AR1.5 Series testers are self priming and will easily draft liquids from a tank or barrel. Units will also work very efficiently with standard water pressure. AR1.5 Series testers can be used as transfer pumps as well. Liquids can be pumped hundreds of feet high if needed. These units are equipped with an easily adjustable relief valve that may be set for any maximum pressures needed to do the job. All units are shipped ready to operate and fully tested.  

Equipment included: All necessary piping needed for testing, liquid filled gage, backflow prevention check valve, totally adjustable relief valve and a brass Y-strainer on the inlet piping. All air controls (Filter, Lubricator, Regulator) are included. AR1.5 units are supplied with a 16 gauge steel box and a 10' high pressure outlet hose.

Carts Optional/Sold Separately - CT63 Standard Cart (See below or view here)

AR1.5 Series Models Include:

MODEL AR1.5-500 3 GPM 500 PSI MAX
MODEL AR1.5-1000 2 GPM 1000 PSI MAX
MODEL AR1.5-500TK 3 GPM 500 PSI MAX
MODEL AR1.5-1000TK 2 GPM 1000 PSI MAX

 * TK units are designed with special fittings for salt water applications.


Hydrostatic Test Carts

CT63 Standard Cart

Portable Carts for AR Series Units - Sold Separately!

Why carry when you can push or pull? Available as a set with a unit or can be purchased separately. Our portable carts are designed for use with the AR1.5-500 and AR1.5-1000 Air Powered Hydrostatic Testing units.

The CT63 Standard Cart can also be used with our electric 6334 Series Hydro-Test units.


AR4 Air Powered Hydrostatic Testers

AR4 Series

Air Powered Hydrostatic Testers

The AR4 Series Air Powered Hydrostatic Testers provide pressure up to 3000 PSI. They are completely portable, safe, rugged, money saving and can be used whenever hydrostatic testing is necessary. Size, height and volume of the system being tested present no problem. Units are designed for use with water, but will operate with other liquids including oils, glycols and fluids compatible with Buna-N materials.  

All AR4 Series testers are self priming and will easily draft liquids from a tank or barrel. Units will also work very efficiently with standard water pressure. AR4 Series testers can be used as transfer pumps as well. Liquids can be pumped hundreds of feet high if needed. These units are equipped with an easily adjustable relief valve that may be set for any maximum pressures needed to do the job. All units are shipped ready to operate and fully tested.  

Equipment included: All necessary piping needed for testing, liquid filled gage, backflow prevention check valve, totally adjustable relief valve and a brass Y-strainer on the inlet piping. All air controls (Filter, Lubricator, Regulator) are included. Units supplied with portable pneumatic tire cart and a 15' high pressure outlet hose.

AR4 Series Models Include:

MODEL AR4-2000 2 GPM 2000 PSI MAX
MODEL AR4-3000 1.5 GPM 3000 PSI MAX

Call to order or for questions:
1-800-594-5178
330-455-2100

Corporate Headquarters
3276 Bruening Avenue SW
Canton, OH 44706