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ASTM G 175 : 2013

Superseded

Superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

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Standard Test Method for Evaluating the Ignition Sensitivity and Fault Tolerance of Oxygen Pressure Regulators Used for Medical and Emergency Applications

Available format(s)

Hardcopy , PDF

Superseded date

14-06-2024

Language(s)

English

Published date

27-11-2013

€96.91
Excluding VAT

Committee
G 04
DocumentType
Test Method
Pages
21
PublisherName
American Society for Testing and Materials
Status
Superseded
SupersededBy
Supersedes

1.1For the purpose of this standard, a pressure regulator, also called a pressure-reducing valve, is a device intended for medical or emergency purposes that is used to convert a medical or emergency gas pressure from a high, variable pressure to a lower, more constant working pressure [21 CFR 868.2700 (a)]. Some of these oxygen pressure regulators are a combination of a pressure regulator and cylinder valve. These devices are often referred to as valve integrated pressure regulators, or VIPRs.

1.2This standard provides an evaluation tool for determining the ignition sensitivity and fault tolerance of oxygen pressure regulators and VIPRs used for medical and emergency applications. An ignition-sensitive pressure regulator or VIPR is defined as having a high probability of ignition as evaluated by rapid pressurization testing (Phase 1). A fault-tolerant pressure regulator or VIPR is defined as having a low consequence of ignition as evaluated by forced ignition testing (Phase 2).

Note 1It is essential that a risk assessment be carried out on breathing gas systems, especially concerning toxic product formation due to ignition or decomposition of nonmetallic materials as weighed against the risk of flammability (refer to Guide G63 and ISO 15001.2). See Appendix X1 and Appendix X2 for details.

1.3This standard applies only to:

1.3.1 Oxygen pressure regulators used for medical and emergency applications that are designed and fitted with CGA 540 inlet connections, CGA 870 pin-index adapters (CGA V-1), or EN ISO 407 pin-index adapters.

1.3.2Oxygen VIPRs used for medical and emergency applications that are designed to be permanently fitted to a medical gas cylinder.

1.4This standard is a test standard not a design standard; This test standard is not intended as a substitute for traditional design requirements for oxygen cylinder valves, pressure regulators and VIPRs. A well-designed pressure regulator or VIPR should consider the practices and materials in standards such as Guides G63, G88, G94, and G128, Practice G93, CGA E-18, CGA E-7, ISO 15001, ISO 10524-1 and ISO 10524-3.

Note 2Medical applications include, but are not limited to, oxygen gas delivery in hospitals and home healthcare, and emergency applications including, but not limited to, oxygen gas delivery by emergency personnel.

1.5This standard is also intended to aid those responsible for purchasing or using oxygen pressure regulators and VIPRs used for medical and emergency applications by ensuring that selected pressure regulators are tolerant of the ignition mechanisms that are normally active in oxygen systems.

1.6This standard does not purport to address the ignition sensitivity and fault tolerance of an oxygen regulator or VIPR caused by contamination during field maintenance or use. Pressure regulator and VIPR designers and manufacturers should provide design safeguards to minimize the potential for contamination or its consequences (see Guide G88).

Note 3Experience has shown that the use of bi-direction flow filters in components can lead to accumulation and re-release of contaminants (refer to Guide G88-05 Section 7.5.3.8 and EIGA Info 21/08).

1.7The values stated in inch-pound units are to be regarded as standard. The values given in parentheses are mathematical conversions to SI units that are provided for information only and are not considered standard.

1.8This 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 and health practices and determine the applicability of regulatory limitations prior to use.

ASTM G 74 : 2013 : R2021 Standard Test Method for Ignition Sensitivity of Nonmetallic Materials and Components by Gaseous Fluid Impact
ASTM G 88 : 2021 Standard Guide for Designing Systems for Oxygen Service
ASTM G 128/G128M : 2015 Standard Guide for Control of Hazards and Risks in Oxygen Enriched Systems

ASTM D 6779 : 2002 Standard Classification System for Polyamide Molding and Extrusion Materials (PA)
ASTM D 4066 : 2000 Standard Classification System for Nylon Injection and Extrusion Materials (PA)
ASTM D 6779 : 2005 Standard Classification System for Polyamide Molding and Extrusion Materials (PA)
ASTM G 88 : 2013 : EDT 1 Standard Guide for Designing Systems for Oxygen Service
ASTM D 6779 : 2020 Standard Classification System for and Basis of Specification for Polyamide Molding and Extrusion Materials (PA)
ASTM D 6779 : 2007 : REV A Standard Classification System for Polyamide Molding and Extrusion Materials (PA)
ASTM D 6779 : 2003 Standard Classification System for Polyamide Molding and Extrusion Materials (PA)
ASTM D 4066 : 2001 : REV A : R2008 Standard Classification System for Nylon Injection and Extrusion Materials (PA) (Withdrawn 2012)
ASTM D 6779 : 2011 Standard Classification System for Polyamide Molding and Extrusion Materials (PA)
ASTM D 6779 : 2008 Standard Classification System for Polyamide Molding and Extrusion Materials (PA)
ASTM G 88 : 2013 Standard Guide for Designing Systems for Oxygen Service
ASTM D 4066 : 2001 : REV A Standard Classification System for Nylon Injection and Extrusion Materials (PA)
ASTM D 6779 : 2004 Standard Classification System for Polyamide Molding and Extrusion Materials (PA)
ASTM G 88 : 2021 Standard Guide for Designing Systems for Oxygen Service
ASTM D 6779 : 2012 Standard Classification System for and Basis of Specification for Polyamide Molding and Extrusion Materials (PA)
ASTM D 6779 : 2006 Standard Classification System for Polyamide Molding and Extrusion Materials (PA)
ASTM D 4066 : 2013 : R2019 Standard Classification System for Nylon Injection and Extrusion Materials (PA)
ASTM D 4066 : 2001 Standard Classification System for Nylon Injection and Extrusion Materials (PA)
ASTM D 4066 : 1994 : REV B Standard Classification System for Nylon Injection and Extrusion Materials (PA)
ASTM D 4066 : 2013 Standard Classification System for Nylon Injection and Extrusion Materials (PA)
ASTM D 6779 : 2004 : REV A Standard Classification System for Polyamide Molding and Extrusion Materials (PA)
ASTM D 6779 : 2012 : REV A Standard Classification System for and Basis of Specification for Polyamide Molding and Extrusion Materials (PA)
ASTM D 618 : 2013 Standard Practice for Conditioning Plastics for Testing
ASTM D 6779 : 2002 : REV A Standard Classification System for Polyamide Molding and Extrusion Materials (PA)
ASTM G 128 : 1995 Standard Guide for Control of Hazards and Risks in Oxygen Enriched Systems
ASTM G 128 : 2002 Standard Guide for Control of Hazards and Risks in Oxygen Enriched Systems
ASTM D 4066 : 2000 : REV A Standard Classification System for Nylon Injection and Extrusion Materials (PA)
ASTM D 6779 : 2016 Standard Classification System for and Basis of Specification for Polyamide Molding and Extrusion Materials (PA)
ASTM D 6779 : 2007 Standard Classification System for Polyamide Molding and Extrusion Materials (PA)
ASTM D 6779 : 2021 Standard Classification System for and Basis of Specification for Polyamide Molding and Extrusion Materials (PA)
ASTM D 6779 : 2010 Standard Classification System for Polyamide Molding and Extrusion Materials (PA)
ASTM D 4066 : 1996 Standard Classification System for Nylon Injection and Extrusion Materials (PA)
ASTM D 618 : 2021 Standard Practice for Conditioning Plastics for Testing
ASTM D 6779 : 2017 Standard Classification System for and Basis of Specification for Polyamide Molding and Extrusion Materials (PA)
ASTM D 6779 : 2008 : REV A Standard Classification System for Polyamide Molding and Extrusion Materials (PA)
ASTM D 6779 : 2006 : EDT 1 Standard Classification System for Polyamide Molding and Extrusion Materials (PA)

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