1811

Inlet Sizes : 1/1/4″ through 6″

Inlet Ratings : ANSI Class 300 to 600

Outlet Sizes : 1/1/2″ through 8″

Outlet Ratings : ANSI Class 150

Orifice Sizes : Ten Sizes – F through Q

Set Pressure Range : 15 psig to 725 psig

Temp. Range : Up to 1000◦ F

Materials : Alloy and carbon steel cast body with stainless steel trim

Source : http://www.geoilandgas.com/pipeline-storage/gas-production/safety-valves

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