UR 0312



This specification covers forged or rolled alloy and stainless steel pipe flanges, forged fittings, and valves and parts for high-temperature service. After hot working, forgings shall be cooled to a specific temperature prior to heat treatment, which shall be performed in accordance with certain requirements such as heat treatment type, austenitizing/solution temperature, cooling media, and quenching

Manufactured and Tested as prescribed by ASTM, API

Material type – Gate valve, Globe valve, Check valve, Ball valve, Butterfly valve

Material grade – A182 F304/304L, F316/316L

Size : NPS 1/2 to 2

           Pressure rating – class 150, 300, 600, 900, 1500, 2500