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Premier Control Technologies Fluid Solutions

Drastar 088 Series

  • Inlet and control pressure up to 700 bar
  • High flow cV = 0.6 option
  • Available with with 1/2" or 1/4" NPT connections

Back Pressure Reducing Regulator for High Pressure Applications

The 088 series from Drastar is a back pressure reducing regulator or a pressure relief regulator for high pressure applications.

It has been designed for use within the water or chemical industry as well as general liquid and gas applications.

Body materials and pressure ranges

The body is all 316L stainless steel with the option of Hastelloy C-276 with controlled pressure ranges being 25, 50, 100, 250, 500 or 700 bar (6, 725, 1450, 3625, 7250, 1000 PSI).

088 series is available with either 2 or 3 ports. The valve seat is PCTFE as standard with the option of PEEK or Vespel materials.

Standard cV value of 0.05 with optional high flow offering a cV value of 0.6.

Drastar’s regulators are oil-free, with all pressure regulators being assembled, cleaned, inspected, and packed in clean-rooms equipped with clean bench, helium detector, particle counter, ultrasonic cleaner, ultrapure water system, vacuum packaging machine.

Key specifications

TypeBack Pressure Regulator
Maximum Inlet Pressure10,000 psi (700 Bar)
Maximum Outlet PressureNot applicable
Cv Options0.05
Sensing TypePiston
Port Sizes1/4", 1/2"
Port TypeNPT threaded
ApplicationGas and Liquid


Common process applications and industrial uses include:

  • Water
  • Chemical
  • General Gas
  • General Liquid

Other features

  • Higher temperature options or 120C, 250C or 320C
  • Design proof pressure to 150% of maximum rating
  • Panel mounting nut or wall mouting bracket (option)
  • 1/2" NPT or 1/4" NPT port connections

Model numbers

  • 088S-025A-2S
  • 088S-050A-2S
  • 088S-100A-2S
  • 088S-250A-2S
  • 088S-500A-2S
  • 088S-700A-2S
  • 088S-xxxA-2S
  • 088S-xxxA-2S-H1
  • 088S-xxxA-2S-H2
  • 088S-xxxA-2S-H3
  • 088S-025A-1S
  • 088S-700R-2OP-H1


The Drastar 088 Series is widely used in the following industries:

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