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Cryogenic Liquids

Cyrogenic Liquids focuses on the codes, safe handling, transport and storage of the cryogenic liquids and fluids carried in tanks and vessels. The cost of transportation and storage of cryogenic liquids is lower than the transportation and storage of compressed gases. Many of these standards have specific procedures for different cryogens in order to understand all the hazards making it as risk free as possible.


NFPA 55-2020

NFPA 55 Compressed Gases and Cryogenic Fluids Code, 2020 edition

This code shall apply to the installation, storage, use, and handling of compressed gases and cryogenic ?fluids in portable and stationary cylinders, containers, equipment, and tanks in all occupancies.


CGA P-12-2017

Safe Handling of Cryogenic Liquids - Sixth Edition

This publication provides general information about the properties, transportation, storage, safe handling, and safe use of the cryogenic liquids commonly used by industry and institutions.


CGA M-1.1-2019

Guidance for Compressed Medical Gas Cryogenic Fluid Central Supply System Training

This publication provides recommended practices for training supplier personnel to install and maintain compressed medical gas (CMG) cryogenic fluid central supply systems in accordance with CGA M-1, Standard for Medical Gas Supply Systems at Health Care Facilities.  This training is a prerequisite to take the CGA M-1 certification exam.  This publication applies to personnel who install and maintain CMG cryogenic fluid central supply systems as defined in CGA M-1.


ASTM F310-07(2020)

Standard Practice for Sampling Cryogenic Aerospace Fluids

1.1 This practice describes procedures for taking a sample of cryogenic aerospace fluid for analysis. 1.2 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety, health, and environmental practices and determine the applicability of regulatory requirements prior to use. For hazard statement, see Section 5 . 1.3 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.


CGA 341-2017

Specification for Insulated Cargo Tank for Nonflammable Cryogenic Liquids - 7th Edition

This standard contains specifications for a cargo tank with very efficient insulation and relatively low heat leak to the lading. This cargo tank resembles an oversized thermos bottle because the liquid container is supported in an approximately concentric manner within the outer jacket, with insulation contained in the annular space. Thus, the outer jacket is often the primary structural member anchored to the truck bed or the tandem and upper coupler (fifth wheel) assemblies.


CGA H-3-2013

Cryogenic Hydrogen Storage - 2nd Edition

This standard contains the suggested minimum design and performance requirements for shop-fabricated, vacuum-insulated cryogenic tanks (vertical and horizontal) intended for aboveground storage of liquid hydrogen.This standard applies to liquid hydrogen storage tanks with maximum allowable working pressures (MAWP) up to and including 175 psig (1210 kPa). Tanks less than 1000 gal (3785 L) gross volume or greater than 25 000 gal (94 600 L) gross volume and all transportable containers are excluded. Tanks outside these pressure and volume constraints may also follow this standard when agreed upon by the owner/manufacturer and the authority having jurisdiction. This standard does not include operation and installation requirements or emergency response information.


A-A-58000

Tank, Storage, Liquid Argon-Nitrogen-Oxygen, Cryogenic, Horizontal, 3000 And 6000 Gallon

Document Status: Active. Information and documents presented here are works of the U.S. Government and are not subject to copyright protection in the U.S. The source of these documents is the U.S. Department of Defense


A-A-58000B

Tank, Storage, Liquid Nitrogen-Oxygen, Cryogenic, Horizontal 1,500, 3,000 and 6,000 Gallon

This commercial item description (CID) describes three sizes and two types of skid mounted horizontal storage tank capable of storing and delivering liquid oxygen or liquid nitrogen.


CGA P-30-2020

Guideline for Portable Cryogenic Liquid Containers - Use, Care, and Disposal - 4th Edition

This publication provides general information regarding the safe use and proper handling of liquid containers commonly used by industry and institutions. It is intended for users, shippers, carriers, distributors, equipment designers, installers, safety administrators, and all others desiring an introductory knowledge of liquid containers. It is intended to complement national, state, provincial/territorial, municipal, and insurance company safety requirements. The information in this publication applies to pressurized insulated liquid containers including U.S. Department of Transportation (DOT) DOT-4L portable liquid storage pressure vessels with a maximum water capacity of up to 1000 lb at service pressure from 40 psi up to 500 psi and Transport Canada (TC) TC-4LM portable liquid storage pressure vessels up to 550L at service pressure from 0.3 MPa up to 3.5 MPa. 1,2


CGA P-31-2021

Liquid Oxygen, Nitrogen, and Argon Cryogenic Tanker Loading System Guide

This publication describes requirements for new installations designed and constructed after date of publication used for the loading of oxygen, nitrogen, or argon as cryogenic liquids. This publication may be used for existing cryogenic liquid oxygen, liquid nitrogen, and liquid argon loading systems. However, application of this publication may benefit existing installations or those in the project phase. Furthermore, to the extent that they exist, national laws may supersede the practices included in this publication. All local regulations, tests, safety procedures, or methods are not included in this publication and abnormal or unusual circumstances can warrant additional requirements. This publication covers cryogenic liquid oxygen, liquid nitrogen, and liquid argon tanker loading systems for loading by gravity, pressure, or pump filling. It covers the design of the tanker loading systems and the period of time and activities between when a tanker enters the filling area and when it departs from the filling area.


CGA P-35-2021

Guideline for Unloading Tankers of Cryogenic Oxygen, Nitrogen, and Argon - 2nd Edition

This publication was developed to provide general safety and unloading guidelines to be used by service providers and providers of drivers and equipment to the compressed gas industry for the distribution of cryogenic liquids by bulk cargo tank. These guidelines assist drivers when there are physical differences between the cargo tanks, pumping systems, and customer storage tanks that the driver will operate during the unloading of cryogenic liquids.


CGA P-40-2017

Calculation Method for the Analysis and Prevention Of Overpressure During Refilling Of Cryogenic Tanks With Rupture Disk(s) - 4th Edition

This publication provides technical guidance and the complete equation set needed to determine if a particular vessel can or cannot be overpressurized during the refill operation. Acceptable engineering controls for the protection of cryogenic storage tanks and transport tanks with rupture disk(s) as part of the relief system are provided.


CGA P-59-2015

Prevention of Overpressure During Filling of Cryogenic Vessels - 2nd Edition

This publication details the methods that can be used to prevent the overpressurization of both transportable and static cryogenic pressure vessels during filling.


CGA P-69-2018

Guideline for Emergency Response to Cryogenic Liquid Releases - 1st Edition

This publication is intended for civil services (fire department, police, etc.) and emergency responders. The information in this publication shall only be applied by a subject matter expert (SME) in the product, equipment, and the emergency response handling protocols or practices.



CGA V-23-2020

Standard for Cylinder Connections on Portable Cryogenic Liquid Cylinders

(Formerly SB-26) This publication is intended for cylinder owners of DOT-4L/TC-4LM cylinders and provides requirements for the attachment of cylinder outlet connections and labeling of these cylinders. Only trained and qualified personnel with knowledge of proper safety precautions shall perform required modifications specified in this publication. Users of cryogenic liquid cylinders and related equipment should be familiar with the characteristics and safe handling of gases as outlined in CGA P-1, Standard for Safe Handling of Compressed Gases in Containers and CGA P-2, Guideline for Characteristics and Safe Handling of Medical Gases [1, 2].


SAE AIR 999A-2011 (SAE AIR999A-2011)

Cryogenically Fueled Dynamic Power Systems ( Stabilized: Aug 2011 )

This document has been declared 'Stabilized' and will no longer be subjected to periodic reviews for currency. Users are responsible for verifying references and continued suitability or technical requirements. New technology may exist. For several years there has been increasing demand for self-contained, light-weight electrical and hydraulic power systems for various missile and other aerospace vehicle applications. This Aerospace Information Report intends to discuss one particular category known as Cryogenically Fueled Dynamic Power Systems. In this report, 'Cryogenically Fueled Dynamic Power Systems' include all open cycle, chemically fueled, dynamic engine power systems which utilize cryogenic fuels and oxidizers. For nearly all practical present day systems, this category is limited to cryogenic hydrogen or hydrogen-oxygen fueled cycles with potential in future, more advanced systems for replacement of oxygen by fluorine. Excluded from the category are static cryogenic systems (e.g., fuel cells) and chemical dynamic power systems which utilize earth storable propellants.







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