Floating ball valve
Trunnion mounted ball valve
Soft seated and metal seated
Cryogenic service
Nace mr-01-75
Lever , gear operated Electic actuator , pneumatic actuator
Double block and bleed
Anti-static device
Design and Manufacturing: API 608 , ASME B16.34
FLANGE: ASME B16.5
FACE TO FACE: ASME B16.10
TESTING: API 598
FIRE SAFE TESTING: API 607 / API 6FA
A Floating Ball Valve is a valve with seat supported ball that is pushed by upstream pressure towards the downstream seat to ensure sealing. The DN of the floating ball valves range is limited by the capability of seat’s material to support the pressure, temperature and weight of the ball.
A Trunnion Ball Valve is a form of quarter-turn valve which uses a hollow, perforated and fixed/supported ball to control flow through it. A trunnion mounted valve means that the ball is constrained by bearing and only allowed to rotate. Advantages of trunnion ball design are the lower operating torque, ease of operation, minimized seat wear. Superior sealing performance at both high and low pressure. The trunnion is available for all size and for all pressure classes but they are not suitable for throttling purposes.
BODY | Cast carbon Steel | ASTM A 216 Gr. WCB |
---|---|---|
Forged carbon steel | ASTM A105 /A350 LF2 | |
Cast stainless steel | ASTM A 351 Gr. CF8M | |
Forged stainless steel | ASTM A 182 Gr. F316 | |
CONNECTOR | Cast carbon steel | ASTM A 216 Gr. WCB |
Forged carbon steel | ASTM A105 /A350 LF2 | |
Cast stainless steel | ASTM A 351 Gr. CF8M | |
Forged stainless steel | ASTM A 182 Gr. F316 | |
BALL | Stainless steel | ASTM A479 Type 410 |
Cast stainless steel | ASTM A 351 Gr. CF8M | |
STEM | Stainless steel | ASTM A479 Type 410 |
Stainless steel | ASTM A479 Type 316 | |
SEAT RING | ASTM A 182 Gr. F316 | |
PTFE | ||
RPTFE | ||
DEVLON | ||
GLAND PACKING | Graphite | |
PTFE | ||
STUD | ASTM A 193 Gr.B7M | |
ASTM A 193 Gr.B8M | ||
NUT | ASTM A 194 Gr. 2HM | |
ASTM A 194 Gr. 8M |
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