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Forged Reduced Bore Trunnion Mounted Ball Valve with Lockable Lever Handle

High-Integrity Double Ball DBB Trunnion Mounted Valve

Forged Double Ball DBB Valve with Dual Gear Operation

Large Diameter Fully Welded Ball Valve for Natural Gas Transmission Pipeline

Fully Welded Flanged Trunnion Mounted Ball Valve

High-Temperature Hard-Seal Fixed Ball Valve with DBB Structure

Durable High-Temperature Floating Ball Valve for Severe Environments (Up to 500°C)

Cryogenic Reduce Port Floating Ball Valve with Locking Device

Cryogenic Top Entry Floating Ball Valve with Extended Stem

Hydraulic Scotch Yoke Actuated Flanged Type Trunnion Mounted Ball Valve

Cryogenic Reduce Port Floating Ball Valve with Locking Device - China Suppliers & Factory, Low-Temperature Tested

√ Extended Stem Design – Protects packing from extreme low temperatures, ensuring long-term reliability and performance in various applications.

√ Cryogenic-Tested – Each valve is meticulously subjected to rigorous low-temperature testing at our factory in China before shipment, guaranteeing quality and durability.

√ Enhanced Safety Features – Our valves include anti-static and anti-blowout stems, a fire-safe design, and a lockable handle for secure operation in demanding environments.

√ Low Emission Packing – Specially designed to provide leak-free performance, our valves excel in harsh industrial conditions, making them a preferred choice among suppliers.

√ Customizable Materials – The body, seat, stem, ball, and seals can be tailored to meet your specific requirements, allowing for versatility in various applications.

Product Details

Key Features

Enhanced Safety

Built-in anti-static, anti-blowout stem, fire-safe design, and lockable handle ensure secure operation and prevent accidental valve operation.

Cryogenic-Tested

Each valve is rigorously tested in cryogenic conditions to ensure safe operation in LNG, LPG, and hydrogen applications.

Low Emission Packing

Low-emission packing guarantees leak-free performance, reducing environmental impact and maintaining system integrity.

Extended Stem Design

The extended stem isolates the packing from cryogenic exposure, ensuring long-term sealing and protecting valve components from freezing.

Customizable Materials

Body, seat, stem, ball, and seals can be tailored to meet your specific process needs, optimizing performance across various industrial applications.

Lip Seal + Grease

The lip seal with grease injection ensures superior sealing and smooth operation, even under extreme low-temperature conditions.

Frequently Asked Questions

What makes cryogenic ball valves different from standard ball valves?

Cryogenic ball valves are specifically engineered to operate reliably at extremely low temperatures, typically below -46°C (-50°F). They feature an extended stem design, specialized low-emission packing, and materials tested to withstand cryogenic conditions found in LNG, LPG, and hydrogen applications — all of which are not present in standard ball valves.

Why is an extended stem design important in cryogenic applications?

The extended stem keeps the packing assembly away from the extremely cold media in the pipeline. This isolation prevents the packing from freezing, maintains a reliable seal over long periods, and protects valve components from the damaging effects of cryogenic temperatures, ensuring consistent and safe valve operation.

What industries or applications are these cryogenic ball valves suitable for?

These valves are designed for use in a wide range of industries including liquefied natural gas (LNG), liquefied petroleum gas (LPG), liquid hydrogen, industrial gas processing, air separation units, and other cryogenic storage and distribution systems that require leak-free, reliable shut-off performance at ultra-low temperatures.

Can the valve materials be customized to suit specific process requirements?

Yes. The valve body, seat, stem, ball, and sealing components can all be customized based on your specific process media, pressure ratings, and temperature requirements. This flexibility allows the valve to be optimized for performance across a broad range of industrial applications and ensures compatibility with various fluid types.

How does the low-emission packing contribute to environmental protection?

Low-emission packing is designed to minimize fugitive emissions — tiny leaks that can occur through the valve stem seal. By maintaining a tight, leak-free seal even under fluctuating temperatures and pressures, the packing reduces harmful gas releases into the atmosphere, helping facilities meet stringent environmental regulations and improving overall system integrity.

What safety features are built into these cryogenic ball valves?

The valves incorporate multiple safety features including an anti-static design to prevent static charge buildup, an anti-blowout stem to secure the stem under pressure, a fire-safe design that maintains sealing integrity in the event of a fire, and a lockable handle to prevent unauthorized or accidental operation. Together, these features ensure safe and dependable performance in critical service environments.