ASTM F1792 - 97(2010)

    Standard Specification for Special Requirements for Valves Used in Gaseous Oxygen Service

    Active Standard ASTM F1792 | Developed by Subcommittee: F25.11

    Book of Standards Volume: 01.07


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    Abstract

    This specification covers the special requirements for valves used in gaseous oxygen service. The pressure containing/retaining envelope, bellows, and end nipples, shall be made of nickel-copper alloy. Internal trim which is in contact with the line media shall either be made of nickel-copper alloy, bronze, nickel-aluminum-bronze, Inconel alloy 600, brass or other materials which are compatible with oxygen service. Non-metallic seat, seat insert, or seals shall be manufacture from either TFE, reinforced TFE, CTFE, plastic, polyamide, or PEEK. Materials for lubricants shall be halocarbon, Dupont, Barycote 601, or other lubricants compatible with oxygen service. Valves shall be constructed to minimize the possibility of initiating ignition in gaseous oxygen service. Valves shall be constructed to minimize oxygen escape in the event of an internal or external fire. This shall be accomplished by pressure-boundary sealing, internal seating and pressure surge. The manual valves shall be of the packless design, with the stem sealed by a bellows.

    This abstract is a brief summary of the referenced standard. It is informational only and not an official part of the standard; the full text of the standard itself must be referred to for its use and application. ASTM does not give any warranty express or implied or make any representation that the contents of this abstract are accurate, complete or up to date.

    1. Scope

    1.1 This specification covers the special requirements for valves used in gaseous oxygen service. It is intended that this specification be invoked as an additional requirement in conjunction with primary valve specifications.

    1.2 The values stated in this specification in inch-pound units are to be regarded as the standard. The SI equivalent shown in parenthesis are provided for information only.


    2. Referenced Documents (purchase separately) The documents listed below are referenced within the subject standard but are not provided as part of the standard.

    ASTM Standards

    G63 Guide for Evaluating Nonmetallic Materials for Oxygen Service

    G88 Guide for Designing Systems for Oxygen Service

    G93 Practice for Cleaning Methods and Cleanliness Levels for Material and Equipment Used in Oxygen-Enriched Environments

    G94 Guide for Evaluating Metals for Oxygen Service

    American National Standards Institute (ANSI)

    ANSIB1.1 Unified Screw Threads

    American Society of Mechanical Engineers (ASME)

    ASMEBoilerandPressur

    Military Standards and Specifications

    MIL-P-46122 Plastic Molding and Extrusion Material, Polyvinylidene Fluoride Polymer and Copolymer


    ICS Code

    ICS Number Code 23.060.01 (Valves in general)

    UNSPSC Code

    UNSPSC Code 40170000(Pipe piping and pipe fittings)


    DOI: 10.1520/F1792-97R10

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