The new 3pc ball valve ISO5211(with mounting pad) specially design by Zhejiang yuzheng company is very easy to use with a removable section which allows easy maintenance compare to the old version.The bodies are investment cast to provide high quality finishing and strength.

Ball valve is by the ball as the opening and closing parts, the use of the ball around the axis of the stem rotation to realize the opening and closing. There are many advantages of ball valve, small size, light weight, fewer parts, easy to use and operate. The type of ball valve is more, accordin

About Ball Valve Ball valve , the opening and closing pats ,driven by the valve stem, and around the the ball valve axis for rotary movement of the valve. It can also be used for fluid regulation and control, among which the hard sealing V-type ball core and has a strong shear force.

At 04:00 on March 19, 2020, there were 0 new confirmed cases of new coronary pneumonia nationwide, and there were no imported cases abroad.China has completely controlled the epidemic situation, and we have posited that Zhengzheng Valve has resumed production one after another since February, and ha

The valve stem is an important part of the valve, used for transmission, connected to the actuator or the handle, and directly drives the spool to move or rotate to realize the valve switching or regulating function. CharacteristicsThe valve stem is not only a moving part, a force receiving part but