tianjin tanghai dongyang valve co., ltd

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tianjin tanghai dongyang valve co., ltd was founded in 2021, main in producing and supplying products like butterfly valve, check valve, gate valve and so on, our products are selled to Europe, South America, Russia and other markets.

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Dual plate swing check valve (TH-CKV-DPS)

Dual plate swing check valve (TH-CKV-DPS)
  • Model Number: (TH-CKV-DPS
  • Brand Name: THV
  • Place of Origin: Tianjin, China
  • Minimum Order Quantity: 10sets
  • Supply Capacity: 1000sets/month
  • Payment: T/T
  • MemberShip: Free Member
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(TH-CKV-DPS Dual plate swing check valve (TH-CKV-DPS) Description

Area of application

Marine industry, Water supply and drainage, fire fighting, shipbuilding, water treatment and other systems

Data sheet of Dual plate swing check valve:

TYPE:Wafer, double discSIZE & CONNECTIONS:DN50 to D600MEDIUM:Air, Inert Gas, Oil, Seawater, Waste water, WaterMATERIALS:Cast Iron / Ductile Iron/ Carbon Steel / Stainless
Steel / Alu BronzePRESSURE RATING:PN10, PN16TEMPERATURE:-30°C to 200°CSEAT/LINING:Replaceable Liner / Bonded Liner
3.1 & 3.2 Cert (on request)


Design and Manufacture Conform to API 594

Dimensions Conform to ANSI B16.5

Face to Face dimensions Conform to API 594

Testing Conform to API598

Material of Dual Plate Swing check valve Parts

PART NAMEMaterialBODYCast Iron; Ductile Iron; Stainless Steel; Carbon steelDISC / PLATEStainless Steel; Carbon steel; BronzeSHAFT / STEMStainless Steel Monel; Stainless Steel InconelSEAT / LININGNBR/EPDM/VITONBOLTSCarbon steelNUTSStainless steelSPRINGSS304/SS306

Dual plate swing check valve features

 Two valve plates are fixed on the valve body along a pivot

The two springs are installed on the butterfly plate above the sealing surface.

Pushed by the medium flow pressure, the spring is compressed, forcing the butterfly plate to open.

When the medium flows backwards, the spring forces the valve to close.

Good sealing performance

Small size and light weight

Wide range of applications

Valve plate closes quickly

Small closing impact

Both horizontal and vertical pipelines can be used, easy to install

Smooth flow channel, fluid resistance is small

Sensitive action and good sealing performance

The overall structureis simple and compact, beautiful appearance

Long service lifetimeand high reliability

Related types of check valves:

We have other types of check valves: single-disc swing check valve,  tilting disc swing check valve, lift swing check valve, silent check valve, ball check valve used in Oil, Gas, Marine industry, Water supply and drainage, fire fighting, shipbuilding, water treatment and other systems, with Nominal Diameter of DN50 to DN1200, NBR/EPDM/VITON, Certificates & Approvals: DNV-GL, Lloyds, DNV, BV, API, ABS, CCS. Standards: EN 593, API609, API6D