The Model 7000 and Model 7200 are UL Listed /FM Approved pressure relief valves specifically designed for fire sprinkler systems. Both models relieve excess system

Air valves allow metered flow of fluid in one or both directions. Many of them allow for free flow in one direction and reduced or metered flow in the reverse direction. They are used in pneumatic cir

Zone control valves are drip irrigation valves that turn on and off water to the drip tubes (or hoses). Often these valves are automatically turned on and off by an irrigation controller/timer.

Ball valve and plug valves are belonging to the same type of valve, the only difference is that ball

We bear in our mind the business philosophy

A few days ago I read "Today Yuhuan", see the October 8, 2007 line reads: "In 1982, with Sand Casting Process-based enterprises run by the village clerk hose,

Fixed ball valve is mainly used in high pressure large diameter ball valve. According to the installation of the valve seat ring is different from a sphere of fixed valve seat and the ball before the

1 in the closed position, the sphere of mechanical pressure by the role of the stem, pressed on the seat. 2 When the handwheel counterclockwise, the stem is the reverse movement, the bottom of the ang