Cryogenic Ball Valves: Overview, Structural Features & Technical Parameters

Cryogenic Ball Valves are suitable for various pipelines, used to cut off or connect media in the pipelines. By selecting different materials, they can be applied to different temperatures and media respectively, with a minimum operating temperature of -196℃. The actuation modes of Cryogenic Ball Valves include manual, worm gear drive, pneumatic or electric. Cryogenic Ball Valves generally adopt flange, welding or thread connection.

Structural Features

• This valve is a full-bore floating ball valve, featuring compact structure, beautiful appearance and small flow resistance coefficient.

• The sealing surface is made of fluoroplastic, and the material matching of the seal pair is reasonable, ensuring a long service life.

• The ball and PTFE valve seat are tightly sealed, with zero leakage function. It can use its plastic deformation to automatically compensate for errors caused by wear, achieving good sealing performance and long service life. To ensure the sealing at the valve stem, a stuffing box and a gland are added on the valve body for sealing.

• Various piping flange standards and flange sealing surface types can be selected, as well as various actuation modes such as manual, worm gear drive, electric, pneumatic, hydraulic, etc., to meet different user needs.

Technical Parameters

• Product Name: Cryogenic Extended Shaft Ball Valve

• Valve Body Material: Stainless Steel

• Connection Form: Thread/Flange/Socket Weld/Butt Weld

• Nominal Pressure: 4.0MPa

• Nominal Diameter: DN15~DN200

• Actuation Mode: Manual, Pneumatic, Electric

• Applicable Media: Gases and liquids such as LNG, LO2, LN2, LAr, CO2, etc.

• Applicable Temperature: -196℃～+80℃

• Ball Material: Stainless Steel

• Sealing Material: PTFE, PCTFE

• Valve Stem Material: Stainless Steel

• Manufacturing Standards: National Standard GB / Ministry of Machinery Industry Standard JB / Ministry of Chemical Industry Standard HG / American Standard ANSI/API / Japanese Standard JIS / German Standard DIN / Customization according to other standards