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Flanged Dual-plate Wafer Check Valve

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Flanged Dual-plate Wafer Check Valve

Unit Price:  FOB USD 30-800.00/pc Get Latest Price

Model No.: 3.05-2

Min. Order: 2 PCS

Packaging: Plywood case

Delivery Time: 30 Days

Place of Origin: China

Brand: KOLINK

Supply Ability: 200 PCS

Mr.Alex Wang Director/CEO/General Manager

Yongjia Kolink Valve Co., Ltd.

  • Zhejiang , China

Business type:Manufacturer,Trade Company

Tel:86-577-67962098

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Product Description

Wafer Check Valve -> Flanged Dual-plate Wafer Check Valve

Dual-plate check valves are are bonnetless and mounted between pipe flanges (wafer style). In this case, the valve includes two spring loaded half-moon shaped discs that rotate about their shaft. The actual designs of these valves vary between design models and manufacturers. Most have multiple flat seats. The dual-plate check valve disc has short rotational disc travel and responds quickly to flow stoppage or reversal, thus the potential for moderate water hammer does exist. It is somewhat better than the swing check valve at minimizing potential water hammer, but with a much higher pressure drop.


Depending on the design, maintenance effort ranges from relatively simple to difficult. All dual-plate check valves must be removed from the line to perform maintenance due to the bonnetless design. The dual-plate check valve also results in a higher pressure drop when compared to a tilting disc check valve of the same size.


Although most of the wafer check valves are installed between two flanges, and no need to be flanged type, some other applications may need flanged type wafer check valve for better alignment of valves. The flanged valve body could be cast or forged upon customer's requirement.


Features of Flanged Dual-plate Wafer Check Valves:

One Piece Body Design
Short Face-to-face
Inline Double Plate
Spring-loaded Disc for Quick Closure
Flanged Wafer End


Applicable Standards of Flanged Dual-plate Wafer Check Valves:
a) Design&Manufacture: API 6D, API 594
b) Face to Face: API 6D, ASME B16.10, EN 558
c) Connection End: ASME B16.5, EN 1092, JIS B2220
d) Test and Inspection: API 6D, EN 12266, API 598


Sizes: 2" - 48" or DN50 - DN1200
Pressure Rating: Class150 - Class1500 or PN16 - PN250
Material of Valve Body: WCB, LCB, WC6, WC9, C12, C5, CF8, CF3, CF3M, CF8M, etc.


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Related products : Gate Valve | Ball Valve | Check Valve | Globe Valve | Butterfly Valve | Knife Gate Valve

Kolink Valve, specializes in the design and manufacture of industrial valves, is building up a reputation for quality and economical products in global market.

With technical know-how and over 3-decade experience, Kolink provides a range of gate valve, globe valve, check valve, ball valves, knife gate valves and specialty valves, which comply with API, EN, JIS, ISO standard. The innovative products are applied to gas, oil, refining, chemical, power generation and pipeline transmission industries, and exported to over 40 countries, e.g. USA, Germany, Australia,  UAE, Singpore, Brazil, South Africa.


Being the subsidiary of Zhongquan Group, Kolink Valve runs a quality system in compliance with PED 97/23/EC, API 6D and ISO9000 standards, coming through the whole process from casting supply to final inspection and testing, with the adoption of CAD system, CNC machines and various testing gauge/machines.

Kolink`s mission is to offer a cost-effective industrial pipeline solution, by combining product quality with value-added customer services.

Basic Information

  • Company Name:

    Yongjia Kolink Valve Co., Ltd.

  • Representative:

    Alex Wang

  • Business Type:

    Manufacturer , Trade Company

  • Product/Service:

    Ball Valve , Gate Valve , Knife Gate Valve , Check Valve , Butterfly Valve , Globe Valve

  • No. of Total Employees:

    101~200

  • Year Established:

    1979

  • Product Range:

    Valve

  • Certificate:

    Manufacturer , Trade Company

  • Company Address:

    Dajia Industrial Zone, Oubei

Trade & Market

  • Main Markets:

    Americas , Asia , Europe , Middle East

  • Total Annual Sales Volume (Million US $):

    US$10 Million - US$50 Million

  • Export Percentage:

    71% - 80%

  • Factory Information

    • No. of Production Lines:

      8

    • No. of R&D Staff:

      5 -10 People

    • No. of QC Staff:

      11 -20 People

    • OEM Services Provided:

      yes

    • Factory Size (Sq.meters):

      10,000-30,000 square meters

    • Factory Location:

      Dajia Industiral Zone, Oubei, Wenzhou, Zhejiang

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