Additel ADT959AW-B2 Hydraulic Ultra-high Pressure Test Pump


Hydraulic Ultra-high Pressure Test Pump, 40000 psi (2800 bar), 1/2BSP F, water as media

  • Pressurize large-volume workload
  • Generate pressure to 40,000 psi (2,800 bar) pressure
  • Increase and decrease pressure smoothly
  • Three pressure ports
Categories: , SKU: N/A


The Additel 959A is designed to generate pressure up to 40,000 psi (2,800 bar) for the application requiring accurate pressure testing and calibration. It can be used in calibrating pressure gauges, transmitters, or other pressure measuring instruments.

Additional information

Weight 28.7 lbs
Dimensions 15.0 × 17.9 × 6.9 in
Select Options

Without Carrying Case, With Carrying Case


Generate Ultra-high Pressure
Generate pressure up to 40,000 psi (2,800 bar)

Hand pump to fill large volume systems

Durable and Minimal Maintenance
Isolation valve provides stable pressures while
reducing maintenance on the hand pump check valve

40,000 psi (2,800 bar) can be generated easily with
the dual-piston system


Media Oil
Generated Pressure Range 0 to 40,000psi (2,800bar) gauge pressure.
Ram/adapters: SS
Body: SS, aluminum, copper
Seals: Buna-N, PTFE, Copper Alloy, Aluminum Alloy
Test Gauge Connection: Positional Autoclave F-250-C, 9/16″ – 18 UNF female
Reference Gauge Connection: Positional Autoclave F-250-C, 9/16″ – 18 UNF female
1/2BSP female and M20X1.5 female connections are available upon request.
Height: 6.9″ (175 mm)
Base: 17.9″ (455 mm) x 15.0″ (380 mm)
Weight 28.7 lb (13 kg).
Warranty 1 year
Piston Volume Fine adjust piston: 1.5 ml (0.09 in^3)

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