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Cryogenic Butterfly Valve

Cryogenic Butterfly Valve

The cryogenic butterfly body can be provided in two structural forms, namely flange connection and butt. welding connection (both with inspection ports). The body with inspection ports can replace the valve internals online, making maintenance work extremely simple, which is conducive to the rational use of resources and saving maintenance costs. The extended valve cover + drip tray design ensures that the temperature at the stuffing box is above zero degrees!so that the connection between the stuffing and the stem will not freeze and lock. Through the use of three-dimensional simulation optimization design, effective control of material changes under cryogenic conditions, selection of high-quality materials and effective processing technology to meet the stable performance of materials under cryogenic conditions. This series of valves has good sealing performance, high reliability, light weight, compact structure, and no need to worry about abnormal increase in valve cavity pressure. lt isan ideal valve for conveying cryogenic media and can bewidely used in cryogenic conditions in liquefied natural gas, aerospace and other fields.…
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Product Description
The cryogenic butterfly body can be provided in two structural forms, namely flange connection and butt. welding connection (both with inspection ports). The body with inspection ports can replace the valve internals online, making maintenance work extremely simple, which is conducive to the rational use of resources and saving maintenance costs. The extended valve cover + drip tray design ensures that the temperature at the stuffing box is above zero degrees!so that the connection between the stuffing and the stem will not freeze and lock. Through the use of three-dimensional simulation optimization design, effective control of material changes under cryogenic conditions, selection of high-quality materials and effective processing technology to meet the stable performance of materials under cryogenic conditions. This series of valves has good sealing performance, high reliability, light weight, compact structure, and no need to worry about abnormal increase in valve cavity pressure. lt isan ideal valve for conveying cryogenic media and can bewidely used in cryogenic conditions in liquefied natural gas, aerospace and other fields.
Features & Benefits

● Adjustable Stem Packing

Fully adjustable, field-replaceable stem seal system that meets international fugitive emission certification standards.

● Inspection Port Design- Field Replaceable Seat and Seal System

Field replaceable seats and seals extend the overall life of the valve, minimize downtime, and reduce the need for expensive non! current repairs or overall replacement.

● Metal-to-Metal Seals

Frictionless metal-to-metal seals are inherently fire resistant and fire tested, while meeting bi-directional zero leak requirements for a variety of critical applications.

● Tortoise Shell-Type Butterfly, Disc Shape

The butterfly disc Tortoise Shell-Type design achieves the best Cv/Kv value by maximizing flow and reducing resistance.



General Information

◎ Material: Carbon Steel, Stainless Steel, Alloy Steel 

◎ Nominal Size: NPS 2"~64", DN 50~1600

◎ Pressure Rate: Class 150~1500, PN 10~250

◎ Temperature Range: -46°C~538°C

◎ Operator: Manual, Pneumatic, Electric, etc...

◎ Application range: Suitable for water supply and drainage and gas pipelines in food, medicine, chemical industry, petroleum, electric power, light textile, paper making, etc. to adjust the flow and intercept the medium.


Technical Specification

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