Reliable performance with the Reflux 819

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Reflux 819 is a downstream pilot-controlled pressure regulator for medium and high-pressure applications. It is particularly suitable for use within the framework of installation for the distribution of natural gas, as well as for supplying network for civil and industrial use.

The Reflux 819 regulator is classified as a fail close regulator.

Reflux 819 Pressure Regulator Specifications

Technical data
Value
Accuracy Class
Up to 1%
Available Size
1″- 2″- 3″- 4″- 6″- 8″- 10″- 12″
Closing Pressure Class SG
5% to 1% depending on outlet pressure
Design Pressure
Up to 1,450 PSIG (10,000 kPa)
Design Temperature
-40°C to +60°C (-40°F to +140°F) (higher or lower temperatures on demand)
Flanging
150-300-600 RF or RTJ according to ANSI B16.5 and PN 16 according to ISO 7005
Minimum Working Differential Pressure
7.25 PSIG (50 kPa)
Outlet Pressure Range of Wd
5 to 1,073 PSIG
Range of Inlet Pressure bpu
11.6 to 1,450 PSIG

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