Reflux 819

Description

Reflux 819 is a pilot-operated gas pressure regulator.

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

According to the European Standard EN 334, it is classified as Fail Close (pilot series 200/A) or Fail Open (pilot series 210/A) according to the installed pilot (except for the PM819 monitor).

Reflux 819 is Hydrogen Ready for NG-H2 blending.
 

Click here to see the product page in the 100% hydrogen version.

Features

  • Accuracy class AC: up to 1
  • Nominal sizes DN: 1″, 2″, 3″, 4″, 6″, 8″, 10″, 12″
  • Lock-up pressure class SG: up to 2.5
  • Design pressure: up to 102 bar
  • Design temperature: from -20 °C to +60 °C (higher or lower temperatures on demand)
  • Connections: class 150, 300, 600 RF or RTJ according to ASME B16.5 and PN 16 according to ISO 7005
  • Minimum working differential pressure: 0.5 bar
  • Range of downstream pressure Wd: from 0.3 to 74 bar
  • Inlet pressure range bpu: from 0.8 to 100 bar

Documentation

Flyer

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Technical Manual

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Poster

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Technical brochure

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Hydrogen compatibility declaration

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