Wednesday, August 25, 2010

Piston valve principle and introduced the R & D

 VAG piston valve principle and introduced the R & D

And only used for pipes of different cut of the butterfly valve and gate valve, piston valve is adjustable to meet the requirements of a variety of special valves. The adjustment function is similar to the piston through a cylinder-shaped cavity in the valve for axial movement achieved.

     Features

     Design features: plants adapted to different occasions, the fluid conditioning requirements; the best anti-cavitation characteristics; high flow capacity; sealing systems and long service life, metal and flexible materials, double-sealed, closed tight, using pressure balance-driven, so the operation needs power of small according to the different requirements of operating conditions can be replaced by exports of parts of stainless steel piston sliding does not produce a reliable guide tilt or run sluggish can be installed on any location.

     How it works: enter the water from the axial arc-shaped shell, no matter what position the piston in the valve cavity flow cross-section regardless of any position are ring out at the exit axis of contraction, so as to avoid the idea that may arise due to cavitation the valve body and pipe damage, while regulating characteristics are linear, its standard size: DN150 to DN1200.

     Features: Fluid control valves are used; in the open circular cross-section under the conditions of the circulation; linear regulator; integration of body; according to different working conditions to adopt a different control unit; export of components from the vertical movement of the crank-driven organizations to control ; standard configuration with a position indicator of the gear box; flange standards with EN1092, PN10/16 standards; body length of follow the EN558-1, the basic sequence of 15 (DIN3202, F4) standard.

     Applications

     Diversion: VAG piston valve can be used as discharge valves shall be equipped with ring shorting devices, also can be used as explosion-proof pipe valve.

     Storage: VAGLH type or E-type piston valve can be used as liquid level or pressure regulating valve.

     Water: VAGLH type or S-shaped piston valve can be used as flow control valve, E-type or the net LH release type can be used as irrigation pipe valve or valves.

     Water / Sewage Treatment: VAG E-type piston valve can be used to protect valves to start pumps, or with a specific regulation of export of components, can also be used water treatment plant flow control valve. VAG E-type piston valve can also be used as a sewage treatment plant gas regulating valve.

     Water: According to the working conditions of export of different parts, as pressure / flow control valve, for example, pressure balance pipe network. ball valve Trunnion Mounted Ball Valve Floating Ball Valve Top Entry Ball Valve ball valve
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