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Accumulator Products

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TOBUL™ Accumulator Nitrogen Charging Valve and Hose Assemblies

Tobul Accumulator Nitrogen Charging Valve and Hose Assemblies

This 3000 PSI (207 bar) accumulator nitrogen precharge test consists of:

Gauge Assembly
  • Drain cock
  • Tank valve
  • 3000 PSI (207 bar) pressure gauge
  • Gauge block
  • Gas cock (Schraeder valve style connection to accumulator)
Charging Hose Assembly
  • Connector, Male, RH thread (standard)
  • Tail piece, Male (standard)
  • 10 feet (3m) hose
  • Gas chuck.

Warning: To avoid injury use a ...

HYDAC™ Accumulator Charging Kits

HYDAC Accumulator Charging Kits


To maintain system performance, it is recommended that the gas precharge pressure in your accumulators be checked regularly. A loss in the gas precharge pressure will cause a drop in the system efficiency and could cause damage to the accumulator bladder, diaphragm, or piston.

These charging and gauging units allow hydro-pneumatic accumulators to be charged with dry nitrogen. For this purpose, a charging and gauging unit is connected to a commercially available nitrogen bottle via a flexible charging hose (8 feet/2.44m).

These units allow maintenance personnel to check the current gas precharge pressure of an accumulator and also incorporate a gauge and check valve in the charging connection, and a manual bleed ...

FPK Adaptors

HYDAC™ Accumulator Charge Kit Adaptors

HYDAC accumulator charge kit adapters. For use with the FPK charging and gauging unit.
Pressure Regulator_8700

Ultra High Delivery Pressure Regulator, Model 8700


The Model GP 8700 is a single stage, high pressure regulator that is designed to operate on high pressure cylinders up to 7500 PSIG.


  • 0-1500, 2500, and 3000 PSIG delivery pressures available
  • One piece encapsulated valve design with PCTFE seats and an internal filter
  • Ergonomic knob for improved grip
  • 1/4” NPT outlet with stainless steel 1/4” tube fitting
  • 2 1/2” dual scale gauges (psi/bar)
  • Conforms to CGA E-4 standard for gas pressure regulators

*Models with the following CGA inlet connections are self venting - 580, 677