Wafer Type Spring Loaded Lift Non Return Valve The valve disc moves up and down along the midline of the valve body. Under the pressure of the fluid which flows in one direction, the valve disc will be raised up from the sealing surface of the valve seat. If there is backflow, the valve disc...
The valve disc moves up and down along the midline of the valve body. Under the pressure of the fluid which flows in one direction, the valve disc will be raised up from the sealing surface of the valve seat. If there is backflow, the valve disc will return back to the valve seat to cut off the medium. It is mainly used in the fluid system containing strong oxidative mediums, like water supply system, heat supply system and acid system etc. It is always used as accessory of boilers. It has exquisite profile and simple structure. Its spring device functions to speed up the closing movement of the disc so as to eliminate water hammer. This valve is very suitable for space-limited locations.
Product features: 1.Short face to face dimension ,small volume and light weight ; 2.Valve disc open and close quickly ,so it has a lower hammer pressure ; 3.Valve following road is smooth and less fluid resistance ; 4.Nice sealing performance etc.
Technical Specifications: To API594 Face to face per ANSI B 16.10 Flange ends dimension ANSI B 16.5/ANSI B 16.47 Final inspection tests to API598.
Size: 1/2"-18",DN15-DN200 Pressure: 150LB-2500LB,PN1.0Map-42.0Mpa Body Material : WCB CF8 CF3 GR4A Hastelloy C etc. Seat Material: 316SS 304SS 13CR EPDM etc.
Corrosion protection: Inside and outside epoxy coating Applicable temperature: -196-540 different raw material for different work temperature Applicable medium: Water, oil, gas and other causticity medium (different raw material for different medium)
About this product: H71H/H71W/H71X-10-40C/P/R.
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