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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