1541-1543

Inlet Sizes : 1/2″ through 2/1/2″

Inlet Ratings :

Outlet Sizes : 3/1/4″ through 2/1/2″

Outlet Ratings : 

Orifice Sizes : D,E,F,G,H and J

Set Pressure Range : 15 psig to 350 psig

Temp. Range : -20◦ F to 420◦ F

Materials : Cast Iron bonnet with brass base and trim

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

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