Wafer Check Valve

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Wafer Type Check Valve

Wafer check valves have a solid thermoplastic body with a very thin "wafer" profile that makes them an ideal check valve for applications that require valves with short takeout lengths. ... Wafer check valves are used in applications where it is essential to ensure fluid flow passes in only one direction.

The disc is mounted in a nylon bushing, which allows it to move slightly both horisontally and vertically to close completely tight also in case of minor impurities in the seat. The seat is placed in a 20° angle providing tightness even at low backpressure. The hinge is made of acid-resistant stainless steel and is firmly tightened around the shaft with bolts to eliminate play and thus to ensure durability. Where limited space is available, the hinge can be placed in reverse position. It is utilized to stop piping and to prevent backflow. Backflow happens when the substance in the pipe flows the other way when the valve is shut. There are numerous types of this sort of valves, for example, ball check valves, stop-check valve, cone check valves, and disk check valve et cetera.

Technical Specifications

The second kind is an item with override control to stop flow paying little heed to flow direction or pressure. It can not just shut in light of backflow or inadequate forward pressure, yet in addition can be intentionally closed by an outer instrument, in this manner keeping any flow paying little mind to forward pressure.

Features
Technical Data
Applications

Sturdy but simple design.
• 100% leak proof
• Short length – less space required.
• Light weight.
• Lower pressure drop across the valve.
• Low opening & closing pressures.
• Wide range of materials, temperature & pressure ratings
• Efficient flow characteristics.
• Can be mounted horizontally & vertically.
• Highly economical.
• Epoxy coating over the entire surface.

Application	Non Return Flow
Features / Benefit	Wafer Type Design
Ansi Class / Rating	150#, 300#
Design Standard	API 6D
Testing Standard	API 598
F to F Standard	ASME B16.10
End Connection Standard	Wafer to suit ASME B 16.5 Flange
Size	50 mm to 600 mm
Materials	Body : WCB, CF8, CF8M, Disc : WCB, CF8, CF8M, Seat : EPDM, Nitrile, PTFE, Vitonetc
Ends	Wafer End
Operation	Auto

Oil & Gas Industries	Dairy Plants	Power Industries
Water Treatment Plants	Agricultural Industries	Cement Industries
Chemical Plants	Food & Beverages Industries	Other Applications