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Triple Eccentric Lug Butterfly Valve

Material:Body: WCB; Disc: 6A, Stem: 316. Seat: surface STL,Sealing ring: SS316+STL
Nominal Pressure:150LB
Nominal Diameter:DN250
End Connection:Lug
Structure:Triple Eccentricity
Operation:Worm gear
Valve type:Industrial Valve
Working Temp.:-100℃~+425℃

Quality Assurance

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Excellent After-Sales Service

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Certifications

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Triple Eccentric Lug Butterfly Valve is engineered for demanding industrial applications that require reliable shut-off and long service life. Manufactured by a top valve supplier in China, this valve features a triple offset design that ensures metal-to-metal sealing, minimal wear, and zero leakage performance.

Its lug-style configuration allows secure mounting between pipeline flanges, making it suitable for end-of-line service. Designed for high-pressure and high-temperature systems, this Triple Eccentric Lug Butterfly Valve is widely used in power generation, petrochemical, and water treatment industries.

With precision machining and robust materials, each valve complies with international standards such as API, EN, and ASME. As one of China’s leading valve manufacturers, we ensure consistent quality and dependable performance through strict quality control and advanced production processes.

Whether operated manually or via actuator, this Triple Eccentric Lug Butterfly Valve offers smooth operation, low torque requirements, and reduced maintenance needs. Available in multiple sizes and material options to match your application needs.

Detail Information:

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

Triple eccentric carbon steel lug butterfly valve Drawing

Dimensions:(mm)

SIZE PN16
in DN L D1 n-M
2 50 43 125 4-M16
2.5 65 46 145 4-M16
3 80 64 160 8-M16
4 100 64 180 8-M16
5 125 70 210 8-M16
6 150 76 240 8-M20
8 200 89 295 12-M20
10 250 114 355 12-M24
12 300 114 410 12-M24
14 350 127 470 16-M24
16 400 140 525 16-M27
18 450 152 585 20-M27
20 500 152 650 20-M30
24 600 154 770 20-M33
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Triple Eccentric Lug Butterfly Valve

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