Company Details
  • Wenzhou Kolink Valve Co., Ltd.

  •  [Zhejiang,China]
  • Business Type:Manufacturer , Trade Company
  • Main Mark: Americas , Asia , Europe , Middle East
  • Exporter:71% - 80%
  • Certs:CE, ISO9001
  • Description:Pressure Seal Check Valve, High Pressure Check Valve Supplier, Pressure Seal Valve, Non-return Valve Manufacturer, Swing Check Valve, Cast Steel Check Valve
Wenzhou Kolink Valve Co., Ltd. Pressure Seal Check Valve, High Pressure Check Valve Supplier, Pressure Seal Valve, Non-return Valve Manufacturer, Swing Check Valve, Cast Steel Check Valve
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Pressure Seal Check Valve

Product categories of Pressure Seal Check Valve, we are specialized manufacturers from China, Pressure Seal Check Valve, High Pressure Check Valve Supplier suppliers/factory, wholesale high-quality products of Pressure Seal Valve R & D and manufacturing, we have the perfect after-sales service and technical support. Look forward to your cooperation!
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Pressure Seal Swing Check Valve

Model No. : 3.06

China Pressure Seal Valve -> Pressure Seal Check Valve Pressure seal bonnet is suggested for better closure in high pressure condition, while bolted bonnet is still available for customer's option. The pressure seal design incorporates a...

Expert Manufacturer of Pressure Seal Check Valve
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Cast Steel Pressure Seal Check Valve

Model No. : 8.03

Pressure Seal Check Valve -> Cast Steel Pressure Seal Check Valve Pressure seal bonnet is suggested for better closure in high pressure condition, while bolted bonnet is still available for customer's option. The pressure seal design incorporates...

China Manufacturer of High Pressure Check Valve Supplier
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China Pressure Seal Check Valve Suppliers

Pressure seal bonnet is suggested for better closure in high pressure condition, while bolted bonnet is still available for customer's option.


The pressure seal design incorporates a metal-to-metal seal that becomes tighter as the pressure increases. The initial preload deforms the taper on the soft iron gasket to mate with the taper on the bonnet. The thin knife-edge on the gasket is wedged tightly between the body and the bonnet. The shallow angle insures that the gasket is sealed tightly with only a small upward force on the bonnet. Once the initial seal is created, the body/bonnet joint will remain leak free regardless of thermal or pressure conditions in the valve.After the joint has been assembled, there is no further need to adjust bonnet cap screws.

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