banner

Cryogenic Butterfly Valve Top Mounted

Home Double Eccentric butterfly valve

Cryogenic Butterfly Valve Top Mounted

Cryogenic Butterfly Valve Top Mounted

GKV930D Cryogenic Butterfly Valve Top Mounted is specially designed for safe and reliable operation in extreme low-temperature applications. Featuring a top-mounted access panel, the valve allows full in-field maintenance without removing the valve from the pipeline. Configurations with metal or PTFE seats, offering tight shut-off, low torque operation, and long service life in LNG, LPG, ammonia, and other cryogenic processes.

Top Access Panel Cryogenic Butterfly Valve – Easy In-Line Maintenance & Reliable Cryogenic Performance

 

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 temperatures on request


Shaft / Stem Material

One-piece through shaft (BS6364 para 4.12), 17-4PH or 316 Stainless Steel for maximum rigidity


Pressure Rating

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


Seats & Seals

Torque-energized, self-compensating laminated or hybrid metal/PTFE seals; Class IV–VI, API 598 zero leakage on request


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; Top Access Panel allows full in-line maintenance without pipeline removal


Leakage Class

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


Design Features

Top-mounted access panel for easy servicing; quarter-turn operation; torque-seated design ensures consistent sealing; no internal bolting to loosen under vibration


Applications

Cryogenic service for LNG, LPG, ammonia, methanol, vent gas, flash gas recovery, and hydrocarbon chemical processing


Safety Features

Anti-blowout shaft (Class 300+), low emission packing, top access panel reduces downtime and maintenance risks


Optional Enhancements

Anti-cavitation and low-noise trims, hard-facing and special alloys, custom face-to-face dimensions


The GKV930D Top Access Cryogenic Butterfly Valve (similat to severn’s

cryogenic valve 8000 offers reliable performance in extreme low- temperature

applications with full in-line maintenance via the top-mounted access panel.

Valve Design: One-piece through shaft for strength and long-lasting sealing.

Configurations & Size: Wafer, Lugged, Double Flanged, Butt Weld End; 2”–24”

(DN50–DN600), larger sizes on request.

Pressure & Temperature: ASME Class 150–2500 / PN10–PN400; –196°C to +230°C.

Seats & Seals: Metal or PTFE seats, torque-energized, self-compensating;

Class IV–VI leakage.

Materials: Carbon steel, stainless steel, duplex/super duplex, titanium, high-nickel alloys.

Trim Options: Hard-faced discs, anti-cavitation/baffle trims for reduced noise and wear.

Actuation & Operation: Pneumatic, electric, hydraulic, electro-hydraulic,

or manual; quarter-turn operation for control or shut-off.

 

 Similar to Severn’s Cryogenic Butterfly Valve 8000.

  • Top Access Panel: Full in-line maintenance without disassembly; reduces downtime and maintenance costs.

  • One-piece through shaft: Maximizes rigidity, minimizes wear, and ensures long-term sealing performance.

  • Cryogenic ready: Operates reliably down to –196°C, suitable for LNG, LPG, ammonia, methanol, and other low-temperature applications.

  • Flexible seat options: Metal or PTFE seats, torque-seated and self-compensating for wear and temperature changes.

  • Anti-cavitation & noise reduction: Optional trims and baffles for reduced cavitation, vibration, and noise.

  • Explosion-proof and low emission: Low emission gland arrangements, anti-blowout shaft standard for Class 300 and above.

  • Wide compatibility: Supports wafer, lugged, double flanged, and butt weld end connections; standard or custom face-to-face dimensions.

  • Durable materials: Carbon steel, stainless steel, duplex, titanium, and high-nickel alloys with hard-facing coatings available.

 

 

 

  •             Product Brochure
              Low temperature butterfly valve - English
                                                                        
  •              Maintenance Manual
                Low temperature butterfly valve - English
                                                                        
  •              Product Introduction
                Low temperature butterfly valve - English
                                                                        
  •  

  • 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.

  • 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.

  • 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.

  • 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.

  • 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.

  • 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.

 

leave a message
If you are interested in our products and want to know more details,please leave a message here,we will reply you as soon as we can.
submit

Related Products

We sincerely hope that customers to visit and exchange, We will be committed to customer personalized products to help customers win the market and achieve a win-win situation.
Extended stem cryogenic ball valve for low-temperature pipelines, providing smooth operation, long service life, and reliable cryogenic fluid control
Cryogenic Ball Valves – Floating & Trunnion Mounted

GKV134D/GKV225D Cryogenic Ball Valves – Floating & Trunnion Mounted are designed with extended bonnets and high-performance sealing systems to ensure safe, leak-free operation at extremely low temperatures. Engineered and tested for demanding cryogenic services, these valves deliver long-term reliability in LNG plants, air separation units, liquid oxygen and nitrogen storage, hydrogen applications, and other industrial processes requiring precise control of cryogenic fluids.

Read More
top-entry-cryogenic-valve-air-separation-oxygen
Cryogenic Top Entry Ball Valve

CTBV The Cryogenic Top Entry Ball Valve is engineered for ultra-low temperature applications down to -196°C, providing exceptional sealing performance and operational reliability in cryogenic service. Designed with a trunnion or floating ball configuration, it is ideal for LNG, liquid nitrogen, liquid oxygen, and other cryogenic media. Featuring precision machining, extended bonnet design, and dual-sealing stem structure, this valve guarantees smooth operation, minimized torque, and superior resistance to freezing.

Read More
Low temperature globe valve manufacturer
Cryogenic Globe Valve for LNG and Chemicals

GKV425L Cryogenic Globe Valves designed with advanced sealing technology and precision manufacturing, these valves deliver low operating torque, stable and consistent sealing performance, and an extended service life, even under high-pressure conditions.

Read More
GKV-830 double offset butterfly valve with actuator and flanged ends
Double Eccentric Butterfly Valve

The GKV-830 Double Eccentric Butterfly Valve is engineered to deliver maximum value and reliability, proven through extensive endurance testing. It has successfully completed over 100,000 cycles at 720 psi (49.6 Bar) and more than 878,000 cycles at 2 psi (0.1 Bar), all while maintaining a bi-directional zero-leakage seal, ensuring long-lasting performance in critical applications. GKV-830 can provide solid reliability and easy on-site maintenance.

Read More
Extended stem cryogenic gate valve
Cryogenic Gate Valve

GKV426L GEKO Cryogenic Gate Valve with smooth operation, minimal thermal expansion, and robust construction. Reliable sealing, low operating torque, and long service life make it ideal for LNG, industrial gases, and cryogenic chemical applications.    

Read More
Top Access Panel Cryogenic Butterfly Valve for LNG, LPG, and Ammonia Applications
Cryogenic Butterfly Valve Top Mounted

GKV930D Cryogenic Butterfly Valve Top Mounted is specially designed for safe and reliable operation in extreme low-temperature applications. Featuring a top-mounted access panel, the valve allows full in-field maintenance without removing the valve from the pipeline. Configurations with metal or PTFE seats, offering tight shut-off, low torque operation, and long service life in LNG, LPG, ammonia, and other cryogenic processes.

Read More
Low temperature stainless steel safety valve
Goetze Cryogenic Relief Valve For LNG, LO₂, LN₂, And LAr Systems

GKV925 The Goetze spring-loaded safety relief valve is mainly used in cryogenic liquid medium systems such as liquefied natural gas (LNG), liquid oxygen (LO₂), liquid nitrogen (LN₂), and liquid argon (LAr). This series adopts a micro-lift disc design with threaded connections. The design temperature range is -270°C to +400°C. Key components undergo cryogenic treatment and impact testing to ensure stable operation under low-temperature conditions.  

Read More

leave a message

leave a message
If you are interested in our products and want to know more details,please leave a message here,we will reply you as soon as we can.
submit

home

products

contact