Valves :
Valves design verification, material construction, valve assembly, testing activities are confirming by codes, standards procedures – ASTM , ASME B 16.34, ASME B 16.5, API 6D, API 6FA, API 598, NACE MR 0175, ISO 15156, ISO 10497 and MESC standards.
Flow control valves – Electrical and pneumatic operated control valves for project requirements.
Flow isolation valves – Manual valves and automated valves assembly with gear box, Gear box with limit switch and Actuator mounted valves.
Valves types : Gate valve, Globe valve, Check valve, Turnion Mounted ball valve(TMBV), ball valve, Butterfly valve, Pressure Safety valve.
Valves casting material
– ASTM A216 – WCB, WCC
– ASTM A217 – WC6, WC9, C5, C12, C12A, CA15
– ASTM A351 : CF3,CF3M,CF8,CF8C,CF8M
– ASTM A352 – LCB, LCC, LC3 , CA8NM
– ASTM A487 – 4A
Valves – Forging material
ASTM A 105
– ASTM A 182 : Grade F5, Grade F11, Grade F22, Grade F91
– ASTM A 350 LF2, LF6
– ASTM A 182 : Grade F 304, Grade F 304 L, Grade F 316, Grade F 316 L, Grade F 316 LN,
Grade F 321
Valves integrity requirements ensured by chemical analysis , mechanical properties , NDE, IGC test, Hydrostatic test, pneumatic test, HDRL – Hysteresis, dead band and reliability test , High pressure Nitrogen test, Fugitive emission test (FET), Anti static test, Seat leak test cryogenic temperature.