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Butt-welding End Butterfly Valve

Butt-welding End Butterfly Valve

    Min. Order: 10
    Delivery Time: 50 Days
    Packaging: Plywood case
    Brand: KOLINK
    Place of Origin: China
    Certificate: PED 97/23/EC, API 6D & ISO9001

Basic Info

Model No.: 5.13

Product Description

Eccentric Butterfly Valve -> Butt-welding End Eccentric Butterfly Valve

The triple eccentric butterfly valve, which makes use of a metal seat, is therefore able to withstand a greater amount of pressure, compared to resilient seated butterfly valve. The seal of the eccentric disc could be either metal/Graphite multi-layer design, or fully metal-to-metal design. The multi-layer design could achieve zero leakage and simple maintenance, while the metal-to-metal design is more reliable in higher temperature and pressure. Basically speaking, triple eccentric butterfly valve is both applied in shutoff or throttling service.


Butt-welding end butterfly valve has the advantage of zero leakage at the valve and pipe joints, and is then recommended at high temperature, high pressure applications to achieve bubble tight seal. The flangeless butt-welding end would also bring great convenience to thermal insulation works.


Features of Butt-welding End Eccentric Butterfly Valves:

Eccentric Disc Design
Multi-layer Disc Seal Standard
Fully Meal-to metal Seal Optional
Uni-directional Flow
Butt-welding End


Applicable Standards of Butt-welding End Eccentric Butterfly Valves:
a) Design & Manufacture: API 609, EN 593, MSS SP-68
b) Face to Face Dimension: API 609, EN 558
c) End Connection: ASME B16.25, EN 12627
d) Test and Inspection: API 598, EN 12266


Sizes: 2" - 48" or DN50 - DN1200
Pressure Rating: Class 150 - Class 600 or PN10 - PN100
Materials of Valve Body: WCB, LCB, WC6, WC9, CF8, CF3, CF8M, CF3M, etc.
Operated by: Lever, Gear, Pneumatic, hydraulic and Electric actuator


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

Wenzhou Kolink Valve Co., Ltd.

 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.

Company Info

  • Company Name: Wenzhou Kolink Valve Co., Ltd.
  • Representative: Alex Wang
  • Product/Service: Ball Valve , Gate Valve , Knife Gate Valve , Check Valve , Butterfly Valve , Globe Valve
  • Year Established: 1979
  • Total Annual Sales Volume (Million US $): US$10 Million - US$50 Million
  • Export Percentage: 71% - 80%
  • 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
  • Contact Person: Mr. Alex Wang
  • Tel: 86-577-67962098
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