fully welded ball valves Fully Welded Ball Valve

Standard 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. http://www.aksvalves.com/