Welded ball valve

Stainless Steel Lever Full Welded Ball Valve for Gas Oil

Technical Parameters

Features
1. Applying welding and flanged end
2. The ball in valve is polished and tested before using.
3. Tight and good sealing with reinforced PTFE(Teflon) seat ring.
4. Preload seat spring protect from leakage of low temperature and decrease the twisting force of operating.
5. We are firmly against the unqualified valve stem.
6. It has floating or fixed structure.
7. The main bearing of stem and the mental band have the capability of self-lubrication, which means it is no need to add
additional lubricant.

Selected Features (On request):
1. Self-rescue design for valve seat
2. Vertical devices and lengthened stem
3. Specialized design of ends and nominal diameter
4. Anti-static device 
5. Mental to mental sealing of seat; a device of sealant in urgent; double cut and venting; double piston of valve seat; 
the fireproof design with graphite gasket; plastic polymer for seat sealing; relief valve in body; Electroless Nickel Plating for ball and stem

Materials:
Body：WCB ST37, A106-B, STPG 370, A105, ASTM A516-60, A216-WCB ,etc. Stainless Steel 304/316（on request）
Ball：Stainless304/316
Seat：Polymer sealing for seat ring; PTFE, Reinforced PTFE, Viton, Nylon, Peek, etc.