Main features

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Inlet sizes:  Up to 12"

Orifice sizes:  D to V inclusive

Set pressure range:  0.2 to 520 bar g

Temperature range:  -180 to 320 °C

Overpressure range:  1 to 5%

Materials:  Carbon or stainless Steel or special alloys

 

Full nozzle design

Fixed or adjustable blowdown (2% min.)

 

Standard face to centre dimensions conforming to API std. 526.

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Accessories:  internal or remote pressure pick-up, back-flow preventer, filter, field test arrangement, manual opening device, valve extension for extreme temperatures service.