EST Hydrostatic Test Pumps offer a fast, safe and simple method for hydrostatic testing. These pumps are ideally suited for use with all EST test plugs or on a stand alone basis. Choose from two models and a number of pressure ranges.

- Fast - Portable, Easy Set Up and Operation
- Safe - Output Pressure Regulated
- Simple - Attach Air and Water Supply, Begin Testing
Features & Benefits
The P-Series Hydrostatic Test Pump is a compact portable air driven diaphragm style pump. Ideal for hydro testing heat exchanger tubes, pipe and pressure vessels in the field or in the shop. Available in a number of output pressures ranging from 1,000 to 10,000 psi (69 to 690 Bar), the most common P-Series pump sizes are shown in the table below.
- Simple air-driven pump.
- All stainless steel water side.
- Easy to read 4" (100 mm) diameter pressure gauge.
- Completely enclosed in a lockable aluminum tool box.
- Supplied with 10 ft (3.1 m) high pressure hose with quick couplings.
- Each pump is supplied with the mating quick coupling for air and water inlet connections.
TECHNICAL DETAILS P-SERIES TEST PUMPS
| MODEL NUMBER | MAX OUTLET PRESSURE (psi) | OPEN FLOW RATE (GPM) | FLOW RATE AT 85% RATED OUTPUT (GPM) |
| PSR-2300 | 2300 | 1.43 | 0.65 |
| PSR-7800 | 7800 | 0.39 | 0.22 |
- All stainless steel high pressure side
- Easy to read 4" diameter pressure gauge
- Self-contained in tool box that has storage for hose, fittings and plugs
- Mating quick connect couplings for air inlet, water inlet and high pressure outlet

Blue Max II
The Blue Max II Hydrostatic Test Pump is a slightly larger air driven diaphragm style pump that is mounted on a hand truck. Suitable for all hydrostatic testing applications. Available in a number of output pressures ranging from 1,000 to 20,000 psi (69 to 1,373 Bar), the most common Blue Max II pump sizes are shown in the table below. The Blue Max pumps features include the following features.
- All stainless steel high pressure side
- Easy to read 4" diameter pressure gauge
- Self-contained in tool box that has storage for hose, fittings and plugs
- Mating quick connect couplings for air inlet, water inlet and high pressure outlet
BLUE MAX II TEST PUMPS
| MODEL NUMBER | MAX OUTLET PRESSURE (psi) | VOLUME AT 100 CPM (GPM) | PRESSURE RATION | MAX CFM REQUIRED | MAX AIR REQUIRED (psi) |
| BMX2-1000 | 1000 | 8.6 | 10:1 | 56 | 100 |
| BMX2-3600 | 3600 | 2.6 | 36:1 | 56 | 100 |
| BMX2-10000 | 9700 | 1 | 97:1 | 56 | 100 |
- Air powered pump in selection of pressure & volumes
- High pressure system bleed valve
- High pressure test hose, 15 feet w/ swivel
- Heavy-duty enclosure w/ handle