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Regulatory valve of HCVB2 type is ready to perform with heavy erosive media. It is suitable to control the highly demanding parameters, also during infinite critical conditions. Advantage of this valve is high coefficient of the pressure recycling. It perfectly fits if the reduction of noise and/or cavitation are of extreme importance.

HCVB2 is straightway valve. Basically, it consists of body topped by the bonnet and the seat fixed by throttled cages: active (which drives a plug) and passive one. Both the bonnet and the seat, as well as active cage, are sealed with graphite spiral wound gaskets (placed in channels). Thus, disassembly and assembly of the valve are easy and do not require any special tools. A medium undergoes two-step expansion (when the plug is of piston-type) or three-step expansion (when perforated plug is applied). Piston-type plug exposes vents of the cage and gives the way to the partial expansion. Further reduction of the pressure is up to vents of the passive cage. The valve with perforated plug allows for the allocation of pressure drop first to the plug itself (active stage) and next to two throttle cages (both are passive ones). Plug of HCVB2 valve can be balanced by means of seal. Thanks to that the lower power of the actuator is needed. The valve with seal balanced plug resides in class IV leakage allowable. HCVB2 valve works with media flow directed under the plug.


Tylko zalogowani użytkownicy mają dostęp do rysunków technicznych.

Tylko zalogowani użytkownicy mają dostęp do modeli 3D.