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professional factory for Safety Valve - Cryogenic Ball Valve – Convista

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We are experienced manufacturer. Wining the majority of the crucial certifications of its market for Welded Ball Valve, Axial Flow Regulator, Motorized Gate Valve, We have extensive goods supply and the price is our advantage. Welcome to inquire about our products.
professional factory for Safety 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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From the past few years, our firm absorbed and digested sophisticated technologies equally at home and abroad. Meanwhile, our organization staffs a group of experts devoted into the growth of professional factory for Safety Valve - Cryogenic Ball Valve – Convista, The product will supply to all over the world, such as: Los Angeles, Lahore, Spain, Our market share of our products has greatly increased yearly. If you are interested in any of our products or would like to discuss a custom order, please feel free to contact us. We are looking forward to forming successful business relationships with new clients around the world in the near future. We are looking forward to your inquiry and order.
  • Wide range, good quality, reasonable prices and good service, advanced equipment, excellent talents and continuously strengthened technology forces,a nice business partner.
    5 Stars By Lee from Japan - 2018.06.19 10:42
    This enterprise in the industry is strong and competitive, advancing with the times and develop sustainable, we are very pleased to have a opportunity to cooperate!
    5 Stars By Kim from Bulgaria - 2018.11.11 19:52

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