Cryogenic Butterfly Valve, API 609, 2-128 Inch, 150-900 LB

Key Specifications / Features

Model No.: JSC-231124-EBV-104 Hits: 5

As a leading cryogenic butterfly valve manufacturer in China, we produce valves conforming to API 609, ASME B16.34, and EN 593 standards. Our valves cover a size range from 2 to 128 inches, suitable for Class 150-900 LB applications. Crafted from high-quality materials such as ASTM A351 CF3, CF8, CF3M, and CF8M, these valves are specifically designed for use in LNG and LPG industries. Trust our expertise for reliable and efficient cryogenic butterfly valves that meet the stringent requirements of your industry.
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Detail Information

Cryogenic Butterfly Valve

The Cryogenic Butterfly valve is suitable for service of working temperature down to -196℃, such as LNG, LPG industry. Three eccentric laminate hard seal flange butterfly valve is a long-life, energy-saving butterfly valve. Its structure adopts the three-dimensional core principle design, the valve seat adopts the laminate stainless steel with graphite structure of hard and soft sealing compatibility, with exquisite processing and advanced technology. This product is composed of valve body, butterfly disc, laminate seal as valve seat, valve stem, transmission mechanism and other main components. It is widely used in metallurgy, electric power, petroleum, chemical industry, air, gas, combustible gas and water supply and drainage pipeline.

Cryogenic Butterfly Valve-Features

There is three eccentric (offset), the first eccentric, the shaft deviated from the centerline of sealing face; The second eccentric, the shaft deviated from the centerline of pipe and valve; The third eccentric the distinctive included angle between oblique taper angle of eccentric seat and centerline of pipe, thus making seat completely disengaged from the sealing ring during the whole process of open and close. This structure not only uses cam effect, but also eliminates the possibility of abrasion and leakage.

Cryogenic Butterfly Valve

1. Elastic property of composite metal sealing ring to perform zero leakage.
2. Torque seal to ensure two -way zero leakage.
3. STL one piece hard surface seat may adapt to many working conditions, which is featured by long service life and easy maintenance.
4. One piece cast body, face to face dimensions conforming to ISO 5752, ASME B16.10 and API 609,replacement to high performance butterfly valves and other types of valves, easy and flexible installation.
5. The extension bonnet provides efficient cold insulation, minimizing heat conduction and transfer from cryogenic flow, while preventing the exposure of valve packing to cryogenic media and providing a secure seal.

Cryogenic Butterfly Valve-Specifications and Materials

1. Design: API 609, ASME B16.34, AWWA C504, BS EN 593
2. Face to Face: API 609, AWWA C504, BS 2080, and ISO 5752
3. Flange End: ASME B16.5, ASME B16.47, BS EN 1092, ISO 7005, GOST
4. Inspection Test: API 598, BS EN 12266, ISO 528
5. Materials Choose Body Materials: ASTM A351 CF3, CF8, CF3M, CF8M
6. Disc Materials: ASTM A351 CF3, CF8, CF3M, CF8M
7. Seat Materials: SS 304+graphite, SS 316+Graphite, PTFE
8. Pressure: PN10, PN16, PN25, PN40, PN63, PN100, 150 LB, 300 LB, 600 LB, 900 LB (PN10-PN100, Class 150-900 LB)
9. Size: DN50-DN3200, 2 Inch - 128 Inch
10. Drive Mode: Manual/Worm gear/Electric/Pneumatic
11. Field of Application: Electric/Hydraulic/Municipal Engineering etc; Water/Sea water/Gas etc. 
12. End connection: flange, wafer, lug, Butt-welded 

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