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Additel 959A

Hydraulic Ultra-High Pressure Test Pump

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

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.

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


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

Specifications
MediaOil
Generated Pressure Range0 to 40,000psi (2,800bar) gauge pressure.
MaterialRam/adapters: SS
Body: SS, aluminum, copper
Seals: Buna-N, PTFE, Copper Alloy, Aluminum Alloy
ConnectionTest 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.
DimensionsHeight: 6.9" (175 mm)
Base: 17.9" (455 mm) x 15.0" (380 mm)
Weight28.7 lb (13 kg).
Warranty1 year
Piston VolumeFine adjust piston: 1.5 ml (0.09 in^3)
Accessories Included
Diethylhexyl Sebacate: 1 bottle (250 ml)
Manual: 1 pc
Carrying case (959-X-SET models only)
Optional Accessories
Model NumberSpecifications
9201Oil, Diethylhexyl Sebacate, 1 liter (1 quart)
ADT104Adapters and fittings, 1/4HP male to various male and female connectors
(17 pcs). 
ADT959-MKMaintenance kit for Additel 959A pump
ADT100-959-HKHose Kit, External Reservoir Expansion Hose Kit for ADT959A
9910Carrying case for Additel 946A, Additel 959A or Additel 960