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CE Standard Low Temperature Butterfly Valve Reliable Sealing Performance

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CE Standard Low Temperature Butterfly Valve Reliable Sealing Performance

China CE Standard Low Temperature Butterfly Valve Reliable Sealing Performance supplier

Large Image :  CE Standard Low Temperature Butterfly Valve Reliable Sealing Performance

Product Details:

Place of Origin: China
Brand Name: Kelite Valve
Certification: API, ISO, CE, GOST, TS, BS1873, BS5351, API 6D,600,602,609, ASME B16.34, API 6FA, API607 etc
Model Number: 1/2"-48",CL150-900

Payment & Shipping Terms:

Minimum Order Quantity: 1PCS
Packaging Details: Plywood packing or fumigation packing
Delivery Time: 40-60days
Payment Terms: L/C, D/A, D/P, T/T, Western Union, MoneyGram
Supply Ability: 2000-5000PCS per month
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Detailed Product Description
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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low temperature ball valve


cryogenic globe valve

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

Contact Details
Kelite Group Co., Ltd

Contact Person: Mr. Wesley Wei

Tel: 86-15618368918

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