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CE Standard Low Temperature Butterfly Valve Reliable Sealing Performance

Categories Low Temperature Valves
Brand Name: Kelite Valve
Model Number: 1/2"-48",CL150-900
Certification: API, ISO, CE, GOST, TS, BS1873, BS5351, API 6D,600,602,609, ASME B16.34, API 6FA, API607 etc
Place of Origin: China
Payment Terms: L/C, D/A, D/P, T/T, Western Union, MoneyGram
Supply Ability: 2000-5000PCS per month
Delivery Time: 40-60days
Packaging Details: Plywood packing or fumigation packing
Size:: NPS 2"~48"
Pressure Rating:: Class 150~900
Material:: CF8、LCC、CF8M、LCB、304、LF2 etc.
Design & Manufacturing Standard:: BS 6364, API 600, API 6D,ASME B16.10, ASME B 16.5
Face to Face:: ASME B16.10, API 6D
End Connection:: ASME B16.5, ASME B16.47, ASME B16.25
Test and Inspection:: API 598, BS6364
Operation Method:: Manual ,Worm Gear, Electric Actuator, Pneumatic Actuator
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    CE Standard Low Temperature Butterfly Valve Reliable Sealing Performance

    Low temperature butterfly valve, good sealing and avoid potential rupture

    Size: NPS2~NPS48,
    Rating: Class150~Class900
    Material: Carbon Steel,Stainless Steel,Alloy Steel,Duplex Stainless Steel
    Operation: Manual,Gear Operated,Electric Operated,Pneumatic Operated
    Applicable: Oil,Chemical,Natural Gas,Petrochemical,Coal Chemical and so on

    Kelite Valve is specialized in manufacturing Cryogenic Butterfly valves with following good characteristics: good sealing performance, reliable safety guarantee, long life span and etc. Cryogenic Butterfly valve is one type of the many cryogenic valves, and the other types are cryogenic ball valve, cryogenic gate valve, cryogenic globe valve and etc.

    Long neck bonnet design is used for Cryogenic butterfly valve which could not only minimize the incoming of heat from environment which may cause the gasfication of medium, but also at same time avoid the packing from being frosty or freezing by maintaining the temperature above 0 ℃. The length of the long neck is the most important factor for this designing, and it refers to the distance between the bottom of packing box and the surface of back sealing of valve.

    Cryogenic Butterfly valves(Generally flanged connection) are suitable for use on various kinds of pipeline from Class150 To Class600, PN16 To PN100 to cut off or connect the flowing of medium. By using different material, the valves could be suitable for medium such as water, steam, oil, nitric acid, acetic acid, oxidizing substance, carbamide and etc. Manual/worm gear/pneumatic or electric actuators could be chosen by needs.

    Cryogenic Butterfly valve refers to the butterfly valve with working temperature below -40℃, normally used on devices containing Ethylene, LNG and etc. The flammable & exposive cryogenic liquid medium cryogenic butterfly valve served such as ethylene, liquid oxygen, liquid hydrogen, LNG, liquefied petroleum products and so on would gasify if temperature increases which having hundreds of times bigger volume than in liquid state. Cryogenic butterfly valve is an indenpensable device and ensures the safe, economic and continous working in industry of petroleum chemical, air separation, natural gas and so on.

    Cryogenic Butterfly Valve product features

    • Owing to the flammable & explosive features of cryogenic medium such as LPG and LNG, fire safe & anti-static structure is designed for Cryogenic butterfly valve.
    • For working temperature above -50℃,no long neck design; For working temperature below -50℃,long neck structure is adopted.
    • Cryogenic butterfly valve is suitable for the controling system for carrying cryogenic liquid medium with its characteristic of quick opening & closing and reliable sealing performance.
    • The actuator of Cryogenic butterfly valve could be in manual, worm gear, pneumatic or electric actuated.

    Cryogenic Butterfly Valve product standard

    Design and manufacture standards:JB/T 8527, API 609, BS6364
    Face to face dimensions standards:ASME B 16.10, GB/T 12221
    Flange dimensions standards:ASME B 16.5, GB, JB, HG, SH, BS, DIN, JIS...
    Testing inspection standards:API 598, GB/T 13927, GB/T 26480, JB/T9092, ISO 5208

    Technical parameters and characteristics:

    Product typecryogenic valves of butterfly valve
    Product descriptionLow temperature butterfly valve
    Modellow temperature butterfly valve
    Nominal diameterNPS 2”~48”(DN50~DN1200)
    Operating temperature-196℃~340℃
    Nominal pressureCLASS 150~900 (PN20~PN150)
    MaterialMain material: A351 CF8,CF8M,CF3,CF3M;A352 LCB,LCC, etc.
    Design standardAPI 609,ASME B16.34,BS 6364
    Structural lengthASME B16.10,GB/T 12221,API 609
    Connecting endASME B16.5,ASME B16.47,ASME B16.25,GB/T 9113
    Test standardAPI 598,ISO 5208,GB/T 26480,GB/T 13927,BS 6364
    Operation method/td>Handle, worm, motor-drive unit, pneumatic drive unit
    Application fieldsLow temperature industries such as LNG, LPG, LEG, air separation, etc.
    Other remarks 1The extension dimensions of valve stem and bonnet may vary according to different temperature ratings.
    Other remarks 2The main parts subject to a temperature ≤-101℃ are subzero treated to prevent valve deformation under ultra-low temperatures.
    Other remarks 3The sealing faces of valve seat and valve clack are build-up welded with hard alloy to improve the erosion resistance and extend the service life of valve.
    Other remarks 4Compact structure, easy installation and disassembly, repair friendly and light weight
    Other remarks 5It has a certain adjustment capability, and can be used as a control valve.
    Other remarks 6Good sealing performance of zero leakage
    Other remarks 7The sealing faces of valve seat and valve clack are build-up welded with hard alloy to improve the erosion resistance and extend the service life of valve.
    Other remarks 8Blow-off prevention design to ensure the operation safety
    Other remarks 9Drain board design to effectively prevent inflow of condensate to insulation layer
    Other remarks 10Low leakage packing is used for valve stem sealing to meet the requirement for low leakage.
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