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OEM Factory for Wafer Silent Check Valve - Cryogenic Ball Valve – Convista

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Our company has been concentrating on brand strategy. Customers' pleasure is our greatest advertising. We also source OEM service for Brass Valve, Y Type Pneumatic Control Valve, Y Type Globe Valve, Through more than 8 years of business, we have accumulated rich experience and advanced technologies in the production of our products.
OEM Factory for Wafer Silent Check Valve - Cryogenic Ball Valve – Convista Detail:


Product Information

Design Specification  API 6D, ANSI B16.34
NominaDiameter  DN15~DN 800 (NPS1~-NPS32)
Pressure Rating  PN 1.6~ PN10 MPa (las50-Class600)
Shutoff Tightness  ISO 5208 Rate A
Applicable Temperature  -196°C–60°C

Actuator Manual operated Electrical Actuator Pneumatic Actuator etc


Product Description

Applied to low temperature and cryogenic application, such as: LNG, Air Separation, Ethylene Quickly Quenching Cracking Gas, Ethylene Rectifying, Low Temperature Methanol Cleaning Process.


Performance Features

l Extension Bonnet Structure: assure the stuffing box sealing performance, prevent frost on stuffing box

 Automatic Pressure Relief Seat: avoid cavity pressure abnormal rising

 -196°C liquid nitrogen cryogenic treatment: turn the remaining austenite into martensite, prevent component dimensional change from organization phase transformation caused by temperature change.

 Nitrogen Test Leakage: assure valve sealing performance, ensure valve is applicable to wide range of application


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Like a result of ours specialty and repair consciousness, our enterprise has won a superb popularity amid buyers everywhere in the environment for OEM Factory for Wafer Silent Check Valve - Cryogenic Ball Valve – Convista, The product will supply to all over the world, such as: Italy, Sacramento, London, Now the competition in this field is very fierce; but we will still offer best quality, reasonable price and most considerate service in an endeavor to achieve win-win goal. "Change for the better!" is our slogan, which means "A better world is before us, so let's enjoy it!" Change for the better! Are you ready?
  • Good quality and fast delivery, it's very nice. Some products have a little bit problem, but the supplier replaced timely, overall, we are satisfied.
    5 Stars By Johnny from Manchester - 2017.12.09 14:01
    Although we are a small company, we are also respected. Reliable quality, sincere service and good credit, we are honored to be able to work with you!
    5 Stars By Aurora from Monaco - 2017.09.28 18:29

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