Certified for Extreme Service
Uncompromising Reliability
Global Project Trust
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1
At cryogenic temperatures, conventional metals lose ductility and can fracture catastrophically under pressure or impact, leading to critical asset failure.
2
Residual liquid trapped in valve cavities can rapidly expand when warming, creating immense internal pressure that may lead to body rupture and hazardous leaks.
3
Extreme thermal contraction causes typical sealing materials to shrink and harden, compromising their integrity and resulting in dangerous leakage.
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Ice buildup from atmospheric moisture can seize the valve stem, rendering the valve inoperable and hindering critical process control and emergency response. Additionally, the freezing of packing also causes fugitive emissions.
Every Neway cryogenic valve is a synthesis of advanced design, material science, and rigorous testing, built to deliver uncompromising safety and performance.
To prevent embrittlement, we use specialized austenitic stainless steels qualified by in-house Charpy impact testing at -196°C. This guarantees every component exceeds global standards for toughness and ductility.
Our signature extended bonnet isolates the stem packing from cryogenic temperatures via an insulating vapor column. This design prevents stem freezing, ensuring continuous smooth operation and a reliable seal.
Our lip-seal design utilizes materials like PTFE that remain flexible at -196°C. It operates on the principle of actively compensating for thermal contraction, with its performance verified by helium leak testing.
An integrated pressure-balancing hole or a dedicated cavity relief system automatically vents pressure from trapped fluid expansion. This critical safety feature prevents catastrophic body rupture.
The triple offset geometry provides a friction-free, cam-like seating action. This eliminates seal wear and ensures a repeatable, bubble-tight shutoff, delivering superior reliability for large-diameter cryogenic butterfly valves.
The spring-assisted axial check valve provides rapid, non-slam closure to prevent damaging pressure surges. This design protects pumps and upstream equipment from cryogenic shock while maintaining a low-pressure-drop, linear flow path.
Providing critical valve solutions for the entire LNG value chain, from liquefaction and transport to regasification terminals.
Ensuring the safe and efficient handling of industrial gases like LOX, LIN, and LAR in air separation units and cold boxes.
Delivering reliable flow control for low-temperature processes including Ethylene, Propylene, and LPG production.
Trusted in high-stakes applications including rocket propellant systems, advanced test stands, and scientific research facilities.
Select a process function below to find the ideal Neway valve solution for your specific application.
For applications requiring full-bore, unobstructed flow and bubble-tight shutoff with minimal pressure drop.
LNG tank farm main lines
ASU cold box isolation
Main process headers
For safety-critical systems (SIS/ESD) demanding quick, quarter-turn actuation for immediate process shutdown.
LNG loading/unloading arms
Fuel bunkering systems
Emergency isolation points
For accurately regulating process flow, pressure, or temperature within a sophisticated control loop.
ASU distillation column control
LNG liquefaction loops
Cryogenic test stand flow control
To automatically prevent reverse flow and protect critical upstream equipment like pumps and compressors without external power or actuation.
LNG submerged pump outlets
Compressor discharge lines
Cryogenic liquid transfer lines
Our commitment to excellence is validated by the world’s most stringent industry standards and proven in mission-critical projects globally.
Tell us whether you need product support or want to discuss a business partnership. We’ll route your request to the right team.
