Valve
Cryogenic Penta-offset Butterfly Valve for LNG and Ultra-Low Temperature Applications
Ultra-Low Temperature Penta Offset Solution
The Cryogenic Penta-offset Butterfly Valve is designed for ultra-low temperatures down to -196°C, ensuring reliable sealing and long-term stability. Using advanced 5-offset technology, it combines ball valve sealing reliability with butterfly valve compactness, making it ideal for LNG, air separation, and other cryogenic processes.
Sealing
Metal + soft dual
Pressure
Up to 1500-2500 LB
Temperature
Down to -196°C
Overview
The Cryogenic Penta-offset Butterfly Valve is engineered for ultra-low temperature applications down to -196°C, delivering reliable sealing performance and long-term operational stability in critical industrial systems.
Based on advanced Penta-offset (5-offset) technology, this valve combines the sealing reliability of a ball valve with the compact structure of a butterfly valve, making it an ideal solution for LNG, air separation, and other cryogenic processes.
Key Applications
LNG storage and transportation systems
Air separation units (ASU)
Oxygen and nitrogen pipelines
Cryogenic systems in petrochemical plants
Industry Challenges
Cryogenic applications introduce severe operational challenges:
Sealing instability caused by thermal contraction
Friction-induced wear during repeated operation
Leakage risks under extreme temperature conditions
Ice formation affecting sealing performance
Limited lifecycle of traditional triple-offset valves
Our Solution
The Cryogenic Penta-offset Butterfly Valve addresses these challenges through:
Frictionless sealing mechanism to eliminate wear
Stable sealing geometry under extreme temperature variation
Self-cleaning sealing surface for long-term performance
Multi-layer sealing protection for zero leakage
Unlike conventional triple-offset valves, this solution represents a next-generation sealing technology, not just an incremental improvement.
Key Features & Benefits
Penta-offset Core Technology
Zero friction during operation
Uniform sealing contact
Extended service life
Superior sealing stability
Reliable Cryogenic Sealing Performance
Stable sealing at -196°C
Bidirectional sealing capability (1:1 pressure)
Zero leakage performance
Dual Sealing System (Safety Design)
Primary: all-metal fire-safe sealing
Secondary: soft sealing backup
Ensures sealing performance under both normal and emergency conditions.
Anti-Leakage & Structural Safety
Special valve body structure to prevent external leakage
Multi-layer sealing protection system
Pressure self-sealing combined with elastic sealing
Anti-Freezing & Stability Design
Anti-icing drip tray prevents freezing impact
Insulation protection to avoid moisture infiltration
Packing system with dynamic compensation
Long Service Life
STL hardfacing metal sealing (~3mm)
High resistance to wear and thermal stress
Lifecycle comparable to pipeline systems
Operational & Maintenance Advantages
Online replaceable sealing components
Reduced maintenance downtime
Lower lifecycle cost
Smooth torque transmission system
Technical Parameters
Parameter | Range |
|---|---|
Temperature | Down to -196°C |
Pressure | Up to Class 1500–2500 LB |
Sealing Type | Metal + soft dual sealing |
Connection | Flange / Butt weld |
Standards | API / ASME / ISO |
Design & Construction
Advanced spherical sealing geometry
Multi-offset structural design
High-strength materials (stainless steel, alloy)
Optimized packing and sealing system
Performance & Reliability
Zero friction sealing ensures minimal wear
Stable performance under extreme cryogenic conditions
Long lifecycle matching pipeline systems
Reduced maintenance and downtime
System Integration Capability
As a Flow Technology Partner, Procetek provides:
Application-based valve selection
System compatibility engineering
Retrofit and replacement solutions
Integration with cryogenic and gas systems
Why Choose Cryogenic Penta-offset Valve
Next-generation sealing technology
Reliable performance under ultra-low temperatures
Zero leakage design for critical applications
Extended lifecycle and reduced maintenance
Strong system integration capability
OEM Replacement & Upgrade Capability
This valve can replace conventional solutions from international brands while offering improved performance.
Unlike traditional triple-offset valves, the Penta-offset design provides:
Lower friction and wear
More stable sealing geometry
Enhanced lifecycle performance
👉 Not just a replacement — but a technology upgrade.
Customization Options
Pneumatic / electric / manual actuators
Special materials (SS, duplex, alloy)
Customized sealing solutions
Project-based engineering adaptation
FAQ
Q1: What is the advantage of Penta-offset in cryogenic applications?
It eliminates friction, improves sealing stability, and extends service life.
Q2: Can it replace existing triple-offset valves?
Yes, with improved performance and compatibility.
Q3: Is it suitable for LNG systems?
Yes, it is specifically designed for LNG and cryogenic applications.
Q4:Do you support customization?
Yes, full engineering customization is available.
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Consultation
Share your flow, pressure, temperature, medium, purity or sealing requirements and Procetek will respond with the most relevant product direction for your application.
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