Standard finishes for contact faces of pipe flanges of valves and fittings.
Spot facing for bronze, iron and steel flanges
Standard marking system for valves, fittings, flanges and unions.
Class 150 corrosion resistant gate, globe, angle and check valves with flanged and butt weld ends
Quality standard for steel castings – radiographic inspection method for valves , flange, fittings and other piping components.
Quality standard for steel castings for valves, flanges and fittings and other piping components.
Connecting flange joint between tapping sleeves and tapping valves.
Hydrostatic testing of steel valves.
Cast iron gate valves , flanged and threaded ends.
Cast iron swing check valves, flanged and threaded ends.
Ball valves with flanged or butt – welding ends for general service
Cast iron plug valves
Bronze Gate, globe angle and check valves.
Valves pressure testing methods.
Steel valves socket welding and threaded ends.
Metric data in standards for valves, flanges and fittings.