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Pressure Relief Valves

Bryan Donkin's line of pressure relief valves are a dependable means of protecting a regulator or downstream systems, storage vessels and other systems against overpressure conditions by relieving the excess gas pressure. Designed to provide protection against excessive pressure in systems and vessels, suitable for use as creep relief and as part of stream discrimination in systems and vessels.

Pressure Relief Valve - Model  201

Model 201

Description :
The Model 201 is a high pressure relief valve,direct-acting, diaphragm operated.

Threaded Size : 3/4", and 1"
Pressure : Up to 375 PSIG


Download 201 Technical Brochure
 
   
   
Pressure Relief Valve - Model 225LP

Model 225LP

Description : The Model 201 is a high pressure relief valve,direct-acting, diaphragm operated.

Threaded Size : 3/4", and 1"
Pressure : Up to 30 PSIG


Download 225LP Technical Brochure
  Download 225LP Product Configurator
   
Pressure Relief Valve - Model 225LP2

Model 225LP2

Description : The Series 225 has three versions of low pressure relief valves, which are direct-acting, diaphragm operated. The 225LP2 has the middle inlet pressure rating of the three models.

Threaded Size : 3/4", and 1"
Pressure : Up to 60 PSIG


Download 225LP2 Technical Brochure
  Download 225LP2 Product Configurator
   
Pressure Relief Valve - Model 225LP4

Model 225LP4

Description : The Series 225 has three versions of low pressure relief valves, which are direct-acting, diaphragm operated. The 225LP4 has the highest inlet pressure rating of the three models.

Threaded Size : 1-1/4", 1-1/2" and 2"
Pressure : Up to 150 PSIG
Flanged Sizes : 1" and 2"
  Download 225LP4 Technical Brochure
  Download 225LP4 Product Configurator
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