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AI Overview

Cryogenic relief valves for LNG,

cap L cap O sub 2

cap L cap N sub 2

, and

cap L cap A r

systems are specialized, high-precision safety devices designed to operate at extreme temperatures (down to

), ensuring pipeline and vessel integrity by managing boil-off gas and preventing overpressure. These stainless steel valves provide reliable sealing, often featuring micro-lift designs or dirt guard poppets to manage two-phase flow.

Key Features & Applications

Media: Suitable for Liquid Natural Gas (LNG), Liquid Oxygen (
$cap L cap O sub 2$
), Liquid Nitrogen (), and Liquid Argon ().
Safety Standards: Designed for cryogenic applications to protect storage tanks and pipelines, with some models meeting NFPA 52 standards.
Design: Typically stainless steel construction with specialized seals (e.g., CTFPE or fluorosilicone) to handle thermal contraction and avoid freezing.
Functionality: Available as direct-acting, proportional relief valves, or spring-loaded safety valves to manage pressure buildup, often with the ability to vent to the atmosphere or pipe-away discharge.
Operating Pressures: Often factory-preset and locked for specific pressure ranges (e.g.,
$10$
to
$750$
psi), ensuring precise, reliable activation.

Goetze / Geko: Offers spring-loaded safety relief valves designed specifically for cryogenic liquid mediums, including the GKV925 series.
Parker Hannifin: Provides cryogenic proportional relief valves tailored for LNG and hydrogen storage.
Generant: Offers the CRV series, a cryogenic relief valve that can be used for thermal safety, with options for oxygen cleaning.
CryoWorks: Fabricates a wide range of vacuum-insulated and non-insulated cryogenic valves for various liquefied gases.
Other Options: Specialized stainless steel valves suitable for these applications are also widely available on industrial platforms.

DA-15 Stainless Steel Cryogenic Safety Relief Valve for LNG Tank
Safety valves are mainly used in cryogenic equipment, pipelines, tanks and are the ultimate protection device for pressure vessels...
Feilun Gas Valve
LNG Segment 07: Pressure Relief Valves
Oct 31, 2014 — before we talk about pressure relief valves which are critical components of the LG. system you should know that all agility. syst...
56s
YouTube·Hexagon Agility
The Cargo Tanks Safety Relief Systems on board [LNG ...
Jun 1, 2022 — and similar cautionary points have to be applied. so be careful in case they. open please do not touch. them cargo pipeline safety...
3m
YouTube·Nick the Sailor Man

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Web results

Goetze Cryogenic Relief Valve For LNG, LO₂, LN₂, And LAr ...

Geko Union

https://www.geko-union.com › product › goetze-cryog...

Geko Union

https://www.geko-union.com › product › goetze-cryog...

Goetze Cryogenic Relief Valve For LNG, LO₂, LN₂, And LAr Systems ; Size Range. DN6 to DN 50. Body Materials. Stainless Steel , Bronze, Brass ; Temperature Range.

Videos

Videos about What is Cryogenic Pressure Relief Valve for ...

Made-in-China.com

1 month ago

SwRI evaluates reliability of pressure relief valves for liquid ...

YouTube Southwest Research Institute

May 8, 2024

LNG Segment 07: Pressure Relief Valves

YouTube Hexagon Agility

Oct 31, 2014

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Web results

Relief Valve For LNG, LO₂, LN₂, And LAr Systems

Geko Union

https://www.geko-union.com › tag › relief-valve-for-ln...

Geko Union

https://www.geko-union.com › tag › relief-valve-for-ln...

We are a leading provider of custom Relief Valve For LNG, LO₂, LN₂, And LAr Systems solutions, delivering engineered materials tailored for high-performance ...

Stainless Steel -196℃ Cryogenic Lift Pressure Relief Valve ...

Amazon.com

https://www.amazon.com › Stainless-Cryogenic-Pressur...

Amazon.com

https://www.amazon.com › Stainless-Cryogenic-Pressur...

Stainless Steel -196℃ Cryogenic Lift Pressure Relief Valve Safety For LNG LN2 LO2 LAr: Amazon.com: Industrial & Scientific.

Missing: ~~LO₂,~~ ‎~~LN₂,~~ ‎~~Systems~~

Cryogenic Valve - Miyairi valve MFG. Co., Ltd.

株式会社宮入バルブ製作所

https://www.miyairi-valve.co.jp › HOME › Products

株式会社宮入バルブ製作所

https://www.miyairi-valve.co.jp › HOME › Products

Cryogenic Valve. Environmentally Friendly LH₂, LNG, LAr, LO₂, LN₂, etc. MIYAIRI VALVE offers a full lineup of valves for cryogenic facilities. Miyairi Valve Mfg ...Read more

Missing: ~~Relief~~ ‎| Show results with: Relief

Proportional Pressure Relief Valve DA21F-40P for LNG Safety

Alibaba.com

https://www.alibaba.com › ... › Valves › Safety valves

Alibaba.com

https://www.alibaba.com › ... › Valves › Safety valves

Proportional Pressure Relief Valve DA21F-40P offers cryogenic safety for LNG, LN2, LAr, and LCO2. R-LOK valve ensures reliable performance in low temps.

cryogenic valves (stainless) - NSTE

nste.co.kr

http://nste.co.kr › sub02

nste.co.kr

http://nste.co.kr › sub02

SS Cryogenic Globe Valve ; Design pressure : 5.0Mpa ; Design temperature : -196℃~75℃ ; Kind of fluid : LN₂, LO₂, LAr, LCO₂, LNG, LC₂H₄ ; Hydrostatic test pressure : ...Read more