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Short Description:

Resilient seat swing check valve,swing flex,flexible swing check valve.

Nominal diameter: DN50-DN900/2”-36”

Disc type: Swing Check Valve

Disc material: Cast iron+Rubber vulcanised/Ductile iron vulcanised.

Seat material: Brass/Bronze/Stainless steel

NORTECH is one of the leading China Resilient seat swing check valve Manufacturer & Supplier.


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What is resilient seat swing check valve ?

Resilient seat swing check valve consists of a valve body, a bonnet, and a disc that is connected to a hinge. The valve is of the swing check type utilizing an angled seat and fully encapsulated, resilient disc. It is capable of handling a wide range of fluids including flows containing suspended solids.The disk swings away from the valve-seat to allow flow in the forward direction, and returns to valve-seat when upstream flow is stopped, to prevent back flow. allows full, unobstructed flow and automatically closes as pressure decreases.These valves are fully closed when the flow reaches zero and prevent back flow.Turbulence and pressure drop within the valve are very low.The valve is opened by the fluid flow in one direction and closes automatically to prevent flow in the reverse direction.

The  Resilient seat swing check valve is mainly used for water supply and drainage system, and other industrial sectors of the pipeline outlet to prevent medium countercurrent. Because the sealing ring of the product is designed by inclined design, the closing time is short, and the water hammer pressure can be reduced.  

Main features of resilient seat swing check valve

Features and benefits of the resilient seat swing check valve

  • *Angled disc and Non-Slam Closing Action
  • *An optional lever arm and counterweight may be mounted to set the back flow of the fluid.
  • *Non-Clog Design 100% flow area for improved flow characteristics and lower head loss,low pressure drop and reduced energy loss irrespective of pressure ratings.
  • *Efficient and positive sealing under most flow and pressure conditions. Valve close before flow reversal.
  • *Unrestricted flow area combined with smooth streamlined contouring allows passage of large solids minimizing the potential for clogging

Technical specifications of resilient seat swing check valve

 Technical specifications of the resilient seat swing check valve

Design and Manufacture BS5153/DIN3202 F6/AWWA C508
Face to face EN558-1/ANSI B 16.10
Pressure rating PN10-16,Class125-150
Nominal diameter DN50-DN900,2″-36″
Flange ends EN1092-1 PN6/10/16,ASME B16.1 Cl125/ASME B16.5 Cl150
Test and Inspection API598/EN12266/ISO5208
Options lever arm and counterweight/with pneumatic actuator

Product Show: resilient seat swing check valve

rubber disc swing check valve

Application of Resilient seat swing check valve

This kind of    resilient seat swing check valve is widely utilized in pipeline with liquid & other fluids. 

  • *Food and Beverage Industry
  • *Sewage system
  • *Pulp and Paper Industry
  • *Industrial environmental protection

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