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.

Reflux 819 is classified as Fail Close according to the European Standard EN 334.

Features

  • Accuracy class: up to 1
  • Available size DN: 1″, 2″, 3″, 4″, 6″, 8″, 10″, 12″
  • Closing pressure class SG: up to 2.5
  • Design pressure: up to 100 bar
  • Design temperature: from -10 °C to +60 °C (higher or lower temperatures on demand)
  • Flanging: class 150, 300, 600 RF or RTJ according to ASME B16.5 and PN 16 according to ISO 7005
  • Minimum working differential pressure: 450 mbar
  • Outlet pressure range of Wd: from 0.3 to 74 bar
  • Range of inlet pressure bpu: from 0.5 to 100 bar

Configurations

The configuration options can be compounded and aggregated differently. Please refer to the technical manual for all available combinations.
Silencer
Slam shut
Monitor

Documentation

Technical Manual

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Poster

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Technical brochure

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