INDUSTRY

LNG Industry Solutions

Engineered for Safety, Reliability & Performance in Demanding Process Conditions

Alis Valves manufactures premium LNG Valves Manufacturer in India, engineered to perform reliably under extremely low temperatures and demanding operating conditions. Our comprehensive range of cryogenic ball valves, butterfly valves, gate valves, globe valves, check valves, control valves, pneumatic actuated valves, and electric actuated valves is designed for LNG terminals, liquefaction plants, regasification facilities, cryogenic storage tanks, industrial gas plants, and pipeline systems. Built to international standards, our valves ensure safe operation, leak-free sealing, and dependable flow control for liquefied natural gas and cryogenic fluids.

Ultra-Low Temperature Performance

Leak-Free Sealing

Cryogenic Safety & Reliability

Automation Ready

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Why ALIS Valves for LNG?

Designed for LNG, LNG terminals, and cryogenic process industries
Reliable operation at ultra-low temperatures up to -196°C
Extended bonnet design for cryogenic service
Fire-safe and low-emission valve construction
Available with pneumatic and electric automation
Manufactured according to API, ASME, BS, ISO & international standards
Long service life with minimal maintenance requirements

Typical Applications

LNG Liquefaction Plants
LNG Regasification Terminals
LNG Storage Tanks
LNG Loading & Unloading Systems
Natural Gas Processing Plants
Cryogenic Pipelines
Industrial Gas Plants
Liquid Oxygen (LOX) Systems
Liquid Nitrogen (LIN) Systems
Liquid Argon (LAR) Systems
Hydrogen Applications
Cryogenic Process Control

Built for Demanding Conditions

Pressure Rating

Up to Class 2500 (ASME B16.34)

Temperature Range

-196°C to +200°C

Size Range

1/2" to 20"
DN 15 to DN 500

End Connections

Flanged, Butt Weld, Socket Weld, Threaded, RTJ

Materials

SS304, SS304L, SS316, SS316L, CF8, CF8M, Duplex Stainless Steel, Monel, Inconel

Standards

API 6D, API 608, API 602, API 609, API 598, BS 6364 (Cryogenic Service), ASME B16.34, ISO 28921, ANSI

Got Questions?

Frequently Asked Questions

Common questions about valve selection, specifications, and certifications for this industry.

Which valves are used in LNG storage and transfer systems?

Cryogenic ball valves, gate valves, globe valves and other suitably designed valve types may be used in LNG systems. Selection depends on the process duty, operating pressure, temperature, pipeline design and required isolation or flow-control function.

What is a cryogenic valve, and why is it required for LNG applications?

A cryogenic valve is designed for service at very low temperatures. LNG applications require valves whose body materials, seats, seals and design are suitable for the specified cryogenic conditions, typically around −162°C for LNG at atmospheric pressure.

Which valve materials are suitable for cryogenic LNG service?

Materials such as austenitic stainless steels may be considered for cryogenic applications because of their low-temperature toughness. Final selection depends on the design temperature, pressure, valve construction, material specifications and applicable project requirements.

Why are extended bonnets used in cryogenic LNG valves?

Extended bonnets help keep the valve stem packing farther from the extremely cold process fluid and can support suitable thermal management of the stem and sealing area. The required bonnet design depends on the valve configuration and the manufacturer's cryogenic design specifications.

How can leakage be controlled in LNG cryogenic valve applications?

Select valves designed and tested for the specified cryogenic service. Evaluate seat leakage requirements, stem sealing, thermal contraction, material compatibility and required testing. Follow the applicable project standards and manufacturer's installation instructions.

Can actuated valves be used in LNG process automation and isolation systems?

Yes, when the valve and actuator assembly are correctly specified for the application. Selection should consider operating torque at low temperature, fail-safe requirements, control signals, power or air supply and any required hazardous-area approvals.

What should I consider when selecting valves for LNG loading and unloading operations?

Consider the design temperature, operating pressure, flow rate, required isolation, end connections, leakage criteria and compatibility with the loading system. Confirm cryogenic suitability, actuator requirements and applicable project safety standards before finalizing the valve selection.

What is the difference between a standard industrial valve and a cryogenic valve for LNG service?

A cryogenic valve is specifically designed and qualified for low-temperature operating conditions. Its materials, sealing components, stem arrangement and testing requirements must be suitable for the specified LNG service, unlike a standard valve that may not be rated for cryogenic temperatures.

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