Top Entry Trunnion Mounted Ball Valve made by Centro Flow is of a single piece body valve design which delivers superior quality and functionality in the most demanding applications. It provides the highest level of safety and integrity, with the possibility of vertical installation for easier maintenance in offshore and other tight quarter applications. The structure of trunnion ball valve is opposit to a floating one with ball fix installed to the stem on one end, and the other end ball connected to trunnion. This Centro Flow Trunnion ball valve made strictly comform to the Global standard and customized specifications. And products fully controlled under management ISO 9001 and standard API. For more information please don’t hesitate to contact us imm.
Construction of Centro Flow Top-Entry, Trunnion-supported, Floating seats spring energized, Full or Reduced Bore, Bi-Directional is of a floating seat ring, self-relieving seat design. The seat are contained in metal carries with spring loaded against ball, while the two independent floating seat rings assures bi-directional tightness of the valve from zero differential pressure to the maximum rated pressure. In order to avoid excessive pressure built-up, the Centro Flow valve seats are designed to self-relieve, allowing the media in the body to escape into the pipeline.
● API 6D
● ASME B16.34 / ASME VIII
● ISO 14313 / ISO 10423 / ISO 5208
● ASME B16.5 / B16.25 / B16.47 / B16.10
● Size:2”-50”
● Stem Sealant Injection and Seat Sealant Injection Firesafe to API 607 / API 6FA
● Anti-blowout Stem
● Test & Inspect standard: API 598, API 6D
● Metal Seated or Soft Seated
● O-Ring or Lip Seal Sealings
● Valve Bore / Face to Face / Special Ends Flanges according to customer requirements
● Special Vent & Drain
● Corrosion resistant weld overlay on sealing surfaces or all wetted areas
● Stem Extension or Extended Bonnet
● Interlocking System
● Transition and Pup Pieces
● Suitable for Horizontal or Vertical Installation
● In-line maintainable
● Manual or Actuator Operated
● Other features are available on request.
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PARTS |
MATERIAL |
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BODY |
ASTM A351-CF8M 1.4408 |
ASTM A216-WCB 1.0619 |
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CAP |
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Body Type |
Flanged (RF, RTJ), Buttweld |
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Body |
CS, SS, Duplex SS |
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Ball |
CS + ENP, CF8M, CF3M, Duplex SS |
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Stem |
410 SS, 316 SS, 304 SS, XM-19, Duplex SS |
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Seat |
RTFE, PEEK, Devlon, Nylon, Viton |
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Seat Seal |
HNBR, FKM |
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Size Range |
2" to10“ (DN 50-DN350) |
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Pressure Rating |
Class 150 - 1500 Full and Reduced Bores |
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Design Standard |
API 6D, ASME B16.34 |
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Testing Standard |
API 6D, API 598, ISO 5208 |
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