Must inspect the valves cave and sealing surface before installation. Not allowed the dirt or sand attachment. 2. Bolts connect with every position should be uniform tightened. 3. Check the packing a

The ball usually rubber, nylon and Teflon as the seat ring material, so its temperature by the ball valve seat ring material constraints. Cut-off valve is used by the metal sphere in the medium under

Principles of ball cock valve evolved from its opening and closing parts as a sphere, the use of the sphere around the stem axis of rotation 90o to achieve the purpose of opening and closing. Valve in

Pressure Relief Valve, Hydraulic

Needle valves are used in flow metering applications, when a constant calibrated, low flow rate must be maintained for some time, as in the case of the idle fuel flow in a carburetor. The orifice is

indexing valves are a single valve unit purposely installed to control several valve zones. Usually available in models with or without a built-in anti-siphon device, it requires a special controller

valve is turned off, slow-closing valve plate promoting the valve plate closed. pumpInstalled in the pump outlet pipe Road, both electric valves, reversed water valves and water hammer eliminator thre

Chlorine ball valve and plug valve of the same class, the difference is ball is a sphere with a circular through also for the opening and closing parts, ball valve with the stem around the center line