Reflux 819

Reflux 819

The Reflux 819 pilot-operated gas pressure regulator is designed for filtered, non-corrosive gases and is suitable for high-pressure transmission and medium-pressure distribution networks. Per EN 334, it is Fail Close (pilot 200/A) or Fail Open (pilot 210/A).

Product 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

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