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Triple Eccentric Flange Butterfly Valve

Design & Manufacture according to : BS 1868
Face to Face according to : ASME B16.10
Flange Dimensions according to : ASME B16.5
Pressure & Temperature according to : ASME B16.34
Test & Inspection according to : API 6D / API 598
Visual Inspection according to : MSS SP-55
Marking according to : MSS SP-25

Quality Assurance

We have a dedicated quality control team and advanced testing equipment to ensure consistent product quality.

Timely Delivery

With reliable raw material suppliers and streamlined production processes, we guarantee on-time delivery.

Excellent After-Sales Service

Our team of valve experts provide impeccable after-sales support

Certifications

Our products hold up to 10 international authoritative certification certificates, ensuring compliance with global standards.

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Triple Eccentric Flange Butterfly Valve is a high-performance solution for critical flow control applications where leakage is not an option. This valve uses a triple offset design with metal-to-metal sealing to ensure exceptional durability and tight shut-off under high-pressure, high-temperature environments.

As a trusted Chinese valve manufacturer with decades of industry experience, we offer this Triple Eccentric Flange Butterfly Valve to meet the needs of industries such as power generation, chemical processing, and marine systems. Its flanged connection provides strong, stable installation and easy integration into large pipeline systems.

The precision-engineered disc and seat design reduce friction and wear, resulting in smoother operation and longer service life. Whether used in throttling or isolation applications, the Triple Eccentric Flange Butterfly Valve guarantees consistent sealing and reliable flow control.

All valves are produced in compliance with international standards like API 609 and ASME B16.34. Optional actuators—manual, pneumatic, or electric—can be added to suit automation requirements.

Choose our Triple Eccentric Flange Butterfly Valve for advanced performance backed by one of China’s leading valve suppliers. Designed for stability, reliability, and maintenance efficiency.

Detail Information:

Name pneumatic operated triple eccentric butterfly valve, pneumatic valve
Model Number: D671H-150Lb- 16 inch
Standard or Nonstandard: API 609
Structure: triple eccentric butterfly valve
Pressure: 150LB
Power: Pneumatic Operated
Material: cast steel A216 Gr. WCB
Temperature of Media: -29 Deg. C ~ 200 Deg. C
Media: Crude Oil, Natural Gas, etc
Port Size: 16 inch RF flanges

Material Option:  

Carbon steel A216 Gr. WCB , WCC , WCA , etc
Low temperature steel A352 Gr. LCB , LCC , LC1 , etc
Cr-Mo steel A217 Gr. WC6 , WC9 , C5 , C12 , C12A , etc
Stainless Steel A351 Gr. CF8 , CF8M , CF3 , CF3M , CF8C , etc
Alloy steel CN7M alloy 20 , CN3M alloy 20 modified , CT15C , etc
Super duplex A995 Gr. 4A , 5A , CE8MN , CD6MN , CD3MN , etc
Aluminum bronze B148 C95500 , C95600 , C95800 , etc
Monel M30C , M35-1 , CZ100 , etc
Inconel CY40 inconel 600 , etc
Hastelloy CW2m Hastelly C4 , N12MV Hastelloy B , CW12MW Hastelloy C276 , etc
Incoloy CU5MCuC Incoloy 825 , CW6MC Incoloy 625 , etc

STANDARD MATERIALS OF MAIN PARTS

ITEM PART NAME MATERIAL
1 Gear Operator
2 Packing Flange WCB
3 Stud CS
4 Washers CS
5 Bolt CS
6 Connecting Support WCB
7 Packing Flexible Graphite
8 Stem SS410
9 Body CF8M
10 Sealing Ring SS304+Graphite
11 Bolt SS304
12 DISC CF8
13 Pon SS304
14 Disc Flange SS304
15 Bushing Nitriding
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Triple Eccentric Flange Butterfly Valve

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