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Cryogenic Triple Offset Butterfly Valve

Home Cryogenic butterfly valves

Cryogenic Triple Offset Butterfly Valve

Cryogenic Triple Offset Butterfly Valve

GKV830D Cryogenic Triple Offset Butterfly Valve Low-Temperature Control is designed for reliable control in extreme low-temperature applications. Built on Severn’s advanced control valve technology, it offers single, double, and triple offset options with PTFE or metal seats and custom bonnet designs. The pressure-energized seal ensures tight shut-off with low torque, while optional anti-cavitation and anti-blowout features enhance safety and performance in cryogenic services such as LNG and air separation systems.

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GKV830D Triple Offset Butterfly Valve  – Low-Temperature Performance & Tight Shut-Off

 

Size Range

2” – 24” (DN50 – DN600), larger sizes up to 72” available on request

 

Body & Bonnet Material

Carbon Steel, Stainless Steel, Duplex/Super Duplex, Titanium, High Nickel Alloys (Available in Cast, Forged, or Plate Construction)

Temperature Range

-196°C to +230°C (higher on request)

 

Shaft / Stem Material

One-piece through shaft (BS6364 para 4.12), 17-4PH or 316 Stainless Steel
Maximum rigidity and wear resistance for cryogenic service

Pressure Rating

ASME Class 150 – 2500 / EN 1092 PN10 – PN400
Shut-off pressure up to 100 bar

 

Seats & Seals

Interchangeable laminated or hybrid metal/PTFE seals
Torque-energized, self-compensating for wear & temperature

 

Packing & Gland

Low emission certified gland arrangement
PTFE or Graphite packing

 

Disc / Trim Material

Stainless Steel or Duplex with Hard-Faced Disc
Anti-Cavitation and Baffle Trim Options

 

Actuation Options

Pneumatic, Electric, Hydraulic, Electro-Hydraulic, or Manual

 

End Connections

Wafer, Lugged, Double Flanged, or Butt Weld End
Standard to API 609 / ISO 5752 / ASME B16.10

Body Configurations

Standard and Extended Cryogenic Bonnet Designs
Available with Top Access Panel (BWE)

Leakage Class

ANSI/FCI 70-2 Class IV–VI, API 598 Zero Leakage on request

 

Design Features

Quarter-turn operation for control and shut-off
Torque-seated design ensures consistent sealing
No internal bolting to loosen under vibration

 

Applications

Cryogenic service, LNG systems, air separation, nitrogen and oxygen plants, low-temperature control systems

 

The GKV830D Cryogenic Triple Offset Butterfly Valve is engineered for high performance in extreme low-temperature applications, from –196°C to +230°C. Featuring a one-piece through shaft for strength and rigidity, it ensures long-term sealing integrity with minimal wear.

Available in wafer, lugged, double flanged, and butt-weld end designs, the valve covers sizes from 2” to 24” (larger sizes on request) and pressure classes up to ASME 2500 / PN400. Its extended bonnet keeps packings isolated from cold media, ensuring reliable cryogenic operation.

Constructed from carbon steel, stainless steel, duplex, titanium, and high-nickel alloys, the 830D series offers torque-energized, self-compensating seals, hard-faced discs, and optional anti-cavitation trims. Compatible with pneumatic, electric, hydraulic, or manual actuation, it delivers dependable, low-maintenance performance across critical control and shut-off duties.

 
 
 

 

 

Similar to Severn’s Cryogenic Butterfly Valve 8300.

One-piece through shaft for maximum strength and minimal deflection

Extended bonnet keeps packing away from cold line media for cryogenic safety

Quarter-turn operation for simple, precise control or on/off service

Operating temperature: –196°C to +230°C (higher on request)

Pressure class: ASME 150 to 2500 / PN10 to PN400

Shut-off pressure: up to 100 bar

Body styles: Wafer, Lugged, Double Flanged, Butt Weld End

Seat leakage class: ANSI/FCI 70-2 Class IV–VI; API 598 zero leakage

Torque-seated design for consistent sealing performance

 Self-compensating seal adapts to wear and temperature changes

Anti-blowout and low-emission packing ( Class 300 and above)

Anti-cavitation trims & baffle plates reduce noise and vibration

Hard-faced disc for improved abrasion resistance

No internal bolting to loosen under vibration (non-BWE models)

Custom dimensions and materials available upon request

 

 

  •             Product Brochure
              Low temperature butterfly valve - English
                                                                        
  •              Maintenance Manual
                Low temperature butterfly valve - English
                                                                        
  •              Product Introduction
                Low temperature butterfly valve - English
                                                                        
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    Cryogenic Control Valves for LNG Liquefaction & Receiving Terminals
    Designed for LNG plants, liquefaction systems, and receiving terminals to precisely regulate cryogenic fluid flow and pressure.

    Operating Conditions: Ultra-low temperature (-162°C) cryogenic service, corrosion-resistant stainless steel or CF8M body, bubble-tight sealing, and stable operation under thermal cycling and high pressure.

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    LPG & Propane Flow Control Valves
    Used in LPG and propane storage, transport, and vapor recovery systems for safe and efficient hydrocarbon gas flow control.

    Operating Conditions: Moderate temperature and pressure, explosion-proof actuator design, leak-free performance, and high compatibility with hydrocarbon gas and liquid phases.

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    Marine Cryogenic Valves for LNG Tanker Ships
    Specially designed for LNG tanker ship loading and unloading systems, ensuring reliable operation under marine cryogenic conditions.

    Operating Conditions: -160°C cryogenic fluid handling, vibration and shock resistance, seawater corrosion protection, and durable sealing against temperature fluctuation.

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    Chemical Resistant Valves for Ethanol & Methanol Service
    Ideal for ethanol, methanol, and alcohol-based chemical plants, offering precise control and high chemical resistance.

    Operating Conditions: Handles flammable, volatile liquids, requires anti-static and non-sparking materials, high chemical compatibility, and accurate flow regulation to ensure process safety.

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    High Pressure Ammonia & Process Gas Control Valves
    Engineered for ammonia, propylene, and other process gases in petrochemical and refining industries.

    Operating Conditions: High pressure and corrosive environment, explosion-proof actuation, zero-leakage Class VI sealing, and robust stainless steel or alloy trim for extended service life.

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    Vent Gas & End Flash Gas Recovery Valves
    Used in vent gas recovery, flare systems, and end flash gas control to reduce emissions and improve energy efficiency.

    Operating Conditions: Variable pressure and flow conditions, resistant to temperature cycling, bubble-tight sealing, and continuous-duty operation for environmental compliance.

 

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