Staflux 185


Staflux 185 is a direct-operated gas pressure regulator controlled by a diaphragm and contrasting regulated counter pressure action.

This device is particularly suitable for high-pressure transmission systems and for medium pressure natural gas distribution networks. It can be used with previously filtered non-corrosive gases.

According to the European Standard EN 334, it is classified as Fail Close.


  • Accuracy class: up to 5
  • Available size DN: 1″, 2″, 3″
  • Closing pressure class SG: up to 10
  • Design pressure: up to 100 bar
  • Design temperature: from -15 °C to +60 °C
  • Flanging: class 300 and 600 RF or RTJ according to ASME B16.5
  • Outlet pressure range of Wd: from 1 to 75 bar
  • Range of inlet pressure bpu: from 2 to 85 bar


The configuration options can be compounded and aggregated differently. Please refer to the technical manual for all available combinations.
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Technical Manual

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Technical brochure

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