API 6D Standard Ball Valve Trunnion Mounted

Material: Stainless Steel Driving Mode: Turbine Channel: Straight Through Type Type: Fixed Ball Valve Temperature: Normal Temperature Standards: ASME(ANSI), ISO, ISO 9001:2000 Class: 150~1500 Trademark: FYV Origin: Wenzhou, Zhejiang Connection Form: Flange Nominal Pressure: ANSI CLASS 150-900 Structure: Fixed Ball Valve Function: Blow-Down Valve Application: Industrial Usage Size: 2′′-48′′ Ends Con.: RF,Rtj,Sw,Bw Specification: CE, SGS HS Code: 8481804090

FYV designed Side-Entry Trunnion-Mounted Ball Valves to assure bi-directional sealing of the valve with two independent floating seats. The design of these seats minimizes the torque required to operate the valve without losing the sealing power. This power is assured by zero differential pressure to the valve's maximum rated pressure. In addition, these repairable valves are manufactured to seal off both seats at the same time and to allow bleeding of the entrapped cavity pressure with the ball in the closed position. Those features allow for verifying that the seats are properly sealing.


Features

Trunnion-mounted ball: Features a fixed ball and floating seat rings. Bearings absorb the side load generated by the pressure acting on the ball.
Independent ball and stem: The ball and stem are independent to minimize the effect of side thrust from pressure acting on the ball.

Double block and bleed (DBB): Both seats hold their respective pressure independently of the body cavity pressure, which is ideal to verify that the seats are sealing.
Soft-seated valves: In valves designed for standard service, a resilient material is inserted into the metal seat holder to provide a soft-seating action in addition to the metal-to-metal seating between the ball and seat rings.

Self-relieving seat rings- two seat rings assure bi-directional sealing of the valves.
Anti-blowout stem maintained because the stem is retained by the stem cover.
Optional features
Emergency sealant injection stem seals and seat face
Metal seated valves
Double piston effect seats
Extended stem and fittings for below ground service
Numerous types of body, trim, seal area overlay and seal materials available


 

Part	CS. Series	Sulfur-proof Series	SS. Series			LCB, LCC Series
Body	WCB A105	WCB A105	CF8,CF3 F304, F304L	CF8M, CF3M F316, F316L		LCB, LCC LF2
Gland	A105	A105	F304, F304L	F316, F316L		F304
Ball	A105+ENP/HCR F6A+HCR	A105+ENP F6A+ENP	F304, F304L+HCR	F316, F316L+HCR		F304+HCR
Stem	F6A	410+ENP	F304, F304L	F316, F316L		F304
Seat insert	PTFE/RPTFE(Standard), NYLON(High Pressure), PPL(High Temperature), PEEK, EPDM, VITON,DEVLON
Seat retainer	A105+Zn	A105+ENP	F304, F304L	F316, F316L		F304
Packing	PTFE, PPL, GRAPHITE
Gasket	PTFE, PPL, GRAPHITE
Bearing	PTFE, PPL
Stud	A193-B7	A193-B7M	A193-B8/B8M		A193-B8/B8M	A320-L7
Nut	A194-2H	A194-2HM	A194-8/8M		A194-8/8M	A194-7M

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Product Categories : Trunnion Ball Valve