Welded Ball Valve

 Fully welded ball valve is developed by the engineering technical personnel from the factory with more than 30 years experience in design and manufacture of high-pressure valve and international latest technical standard,it is mainly applied for the long distance pipeline transportation of petrol,natural gas and gas pipeline system in cities.Becuase of the special characteristics of underground type ball valve,the capability to endure pipeline stress,non-corrosbility,safety,weather resisting property and long run reliability is fully considered when designed.There are many various kinds of operation are available included manual,worm gear,pneumatic,electricity,pneumatic-hydraulic,electrically-hydyaulic,computer controlled,as well as various special control models.