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NPFC - HH-P-31

PACKING AND LAGGING MATERIAL, FIBROUS GLASS METALLIC AND PLAIN CLOTH AND TAPE

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Organization: NPFC
Publication Date: 5 June 1987
Status: active
Page Count: 12
scope:

This specification covers fibrous glass metallic cloth and tape packing for boiler casing access openings or insulation lagging pads and heavy-weight, rubber treated fibrous glass cloth and tape for pipe flange joint gaskets.

Packing or lagging covered by this specification shall be of the following types and classes, as specified (see 6.2):

Type I - Fibrous glass, wire-reinforced plain

Class 1 - Cloth

Class 2 - Tape

Type II - Fibrous glass, heavyweight, rubber-treated

Class 1 - Cloth

Class 2 - Tape

intended Use:

Type I packing or lagging material is primarily intended for use as a boiler access opening gasket and as the inner surface of insulation blankets and covers for service temperatures up to a... View More

Document History

HH-P-31F CHG NOTICE 2
May 11, 2022
PACKING MATERIAL, NONASBESTOS, FIBROUS GLASS METALLIC AND PLAIN CLOTH AND TAPE
A description is not available for this item.
HH-P-31
September 3, 2020
Packing Material, Asbestos, Metallic Cloth and Tape
A description is not available for this item.
HH-P-31
June 5, 1987
PACKING AND LAGGING MATERIAL, FIBROUS GLASS METALLIC AND PLAIN CLOTH AND TAPE
This specification covers fibrous glass metallic cloth and tape packing for boiler casing access openings or insulation lagging pads and heavy-weight, rubber treated fibrous glass cloth and tape for...
HH-P-31
June 5, 1987
PACKING AND LAGGING MATERIAL, FIBROUS GLASS METALLIC AND PLAIN CLOTH AND TAPE
A description is not available for this item.
HH-P-31
July 11, 1983
PACKING AND LAGGING MATERIAL, FIBROUS GLASS METALLIC AND PLAIN CLOTH AND TAPE
A description is not available for this item.
HH-P-31
October 31, 1963
PACKING AND LAGGING MATERIAL, FIBROUS GLASS METALLIC AND PLAIN CLOTH AND TAPE
A description is not available for this item.
HH-P-31
August 4, 1952
PACKING MATERIAL, ASBESTOS, METALLIC CLOTH, SHEET AND TAPE
A description is not available for this item.
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References

This document references:
ASTM A478 - Standard Specification for Chromium-Nickel Stainless Steel Weaving and Knitting Wire
Published by ASTM on September 10, 1997
This specification covers the more commonly used types of round stainless steel wire intended especially for weaving and knitting. The values stated in inch-pound units are to be regarded as the...
This document references:
ASTM D1777 - Standard Test Method for Thickness of Textile Materials
Published by ASTM on February 10, 1996
This test method covers the measurement of the thickness of most textile materials. This test method applies to most fabrics including woven fabrics, air bag fabrics, blankets, napped fabrics,...
This document references:
D297 - Standard Test Methods for Rubber Products—Chemical Analysis
November 1, 2021
These test methods cover the qualitative and quantitative analysis of the composition of rubber products of the “R” family (see 3.1). Many of these test methods may be applied to the analysis of...
This document references:
ASTM D3774 - Standard Test Method for Width of Textile Fabric
Published by ASTM on July 1, 2018
This test method covers the measurement of the width of woven or knitted fabrics, usable width, or both. The method is applicable to full rolls, bolts of fabric, and short specimens removed from a...
This document references:
FED-STD-123J - Marking for Shipment (Civil Agencies)
Published by GENERAL SERVICES on May 19, 2021
This document establishes requirements for marking of unit, intermediate, transport packages, and unit loads for shipments of purchased commodities (items) from government contractors or vendors to...
This document is referenced by:
MIL-B-24535 - BURNER, CARBON MONOXIDE AND HYDROGEN, CATALYTIC TYPE (MARK V)
Published by NPFC on March 22, 1989
This specification covers the design and construction of a Mark V burner for removing carbon monoxide and hydrogen from submarine atmospheres.
This document is referenced by:
ASTM F683 - Standard Practice for Selection and Application of Thermal Insulation for Piping and Machinery
Published by ASTM on August 1, 2014
This practice provides guidance in the selection of types and thicknesses of thermal insulation materials for piping, machinery, and equipment for nonnuclear shipboard applications. Methods and...
This document is referenced by:
MIL-STD-438 - SCHEDULE OF PIPING, VALVES, FITTINGS, & ASSOCIATED PIPING COMPONENTS FOR SUBMARINE SERVICE
Published by NPFC on September 29, 2020
A description is not available for this item.
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