ASTM C1094-01

Standard Guide for Flexible Removable Insulation Covers

SCOPE
1.1 This guide recommends the criteria to be considered in specifying removable insulation covers for surfaces operating in air at temperatures above ambient.
1.2 A removable insulation cover is fabricated from a fibrous insulation material encased in a tailored fabric or wire mesh enclosure, or both. The fabric seams are typically held together with thread, metal rings, or staples, or combination thereof. These covers must be designed and fabricated to allow a close fit with tight joints over piping, elbows, flanges, valves, and tanks. They are intended to be easily removed and replaced to allow for periodic access to the surfaces they cover.
1.3 In addition to thermal performance, there are other performance requirements of removable covers. These may include, but are not limited to:
1.3.1 Temperature exposure,
1.3.2 Chemical and weather exposure,
1.3.3 Acoustical, and
1.3.4 Fire endurance.
1.4 The materials from which the cover is made may include, but are not limited to:1.4.1 Insulation media,
1.4.2 Fabric, metal mesh enclosure, or foil enclosure,
1.4.3 Seam materials (thread, metal hooks, etc.), and
1.4.4 Attachment system (hook and loop attachment, straps, wire, etc.).
1.5 The shape, size, and physical design of the cover varies depending on the object to be covered. The cover may consist of more than one piece. Pipes, valves, pumps, and flanges are typical objects to be covered. In many cases, on-site measurements need to be made to ensure an acceptable fit.
1.6 The values stated in SI units shall be regarded as the standard. The values given in parentheses are provided for information only.
1.7 This guide does not intend to establish the criteria required in the design of the equipment over which removable insulation covers are used, nor does this guide establish or recommend the applicability of removable insulation covers over all surfaces.
1.8 It is the responsibility of the user, user's agent, or both, to determine applicability of this guide to their specific application and to inform the equipment designer of the intent to insulate so that appropriate design criteria can be established.
1.9 This standard does not purport to address all of the safety problems, 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.
1.10  This standard should be used to measure and describe the properties of materials, products, or assemblies in response to heat and flame under controlled laboratory conditions and should not be used to describe or appraise the fire hazard or fire risk of materials, products, or assemblies under actual fire conditions. However, results of this test may be used as elements of a fire risk assessment which takes into account all of the factors which are pertinent to an assessment of the fire hazard of a particular end use.

General Information

• Status: Historical
• Publication Date: 09-Mar-2001
• ICS: 91.120.10 - Thermal insulation of buildings
• Technical Committee: C16 - Thermal Insulation
• Drafting Committee: C16.40 - Insulation Systems

Relations

• Replaces: ASTM C1094-88(1993)e1 - Standard Guide for Flexible Removable Insulation Covers
• Effective Date: 10-Mar-2001

Standards Content (Sample)

NOTICE: This standard has either been superseded and replaced by a new version or withdrawn.
Contact ASTM International (www.astm.org) for the latest information
Designation:C1094–01
Standard Guide for
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Flexible Removable Insulation Covers
This standard is issued under the fixed designation C 1094; the number immediately following the designation indicates the year of
original adoption or, in the case of revision, the year of last revision. A number in parentheses indicates the year of last reapproval. A
superscript epsilon (e) indicates an editorial change since the last revision or reapproval.
1. Scope 1.8 It is the responsibility of the user, user’s agent, or both,
to determine applicability of this guide to their specific
1.1 This guide recommends the criteria to be considered in
application and to inform the equipment designer of the intent
specifying removable insulation covers for surfaces operating
to insulate so that appropriate design criteria can be estab-
in air at temperatures above ambient.
lished.
1.2 A removable insulation cover is fabricated from a
1.9 This standard does not purport to address all of the
fibrous insulation material encased in a tailored fabric or wire
safety problems, if any, associated with its use. It is the
mesh enclosure, or both. The fabric seams are typically held
responsibility of the user of this standard to establish appro-
together with thread, metal rings, or staples, or combination
priate safety and health practices and determine the applica-
thereof.These covers must be designed and fabricated to allow
bility of regulatory limitations prior to use
a close fit with tight joints over piping, elbows, flanges, valves,
1.10 This standard should be used to measure and describe
andtanks.Theyareintendedtobeeasilyremovedandreplaced
the properties of materials, products, or assemblies in response
to allow for periodic access to the surfaces they cover.
to heat and flame under controlled laboratory conditions and
1.3 In addition to thermal performance, there are other
should not be used to describe or appraise the fire hazard or
performance requirements of removable covers. These may
fire risk of materials, products, or assemblies under actual fire
include, but are not limited to:
conditions. However, results of this test may be used as
1.3.1 Temperature exposure,
elements of a fire risk assessment which takes into account all
1.3.2 Chemical and weather exposure,
of the factors which are pertinent to an assessment of the fire
1.3.3 Acoustical, and
hazard of a particular end use
1.3.4 Fire endurance.
1.4 The materials from which the cover is made may
2. Referenced Documents
include, but are not limited to:
2.1 ASTM Standards:
1.4.1 Insulation media,
C 165 Test Method for Measuring Compressive Properties
1.4.2 Fabric, metal mesh enclosure, or foil enclosure,
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of Thermal Insulation
1.4.3 Seam materials (thread, metal hooks, etc.), and
C 167 Test Methods for Thickness and Density of Blanket
1.4.4 Attachment system (hook and loop attachment, straps,
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or Batt Thermal Insulations
wire, etc.).
C 177 Test Method for Steady-State Heat Flux Measure-
1.5 The shape, size, and physical design of the cover varies
ments and Thermal Transmission Properties by Means of
depending on the object to be covered. The cover may consist
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the Guarded Hot Plate Apparatus
of more than one piece. Pipes, valves, pumps, and flanges are
C 335 Test Method for Steady-State Heat Transfer Proper-
typical objects to be covered. In many cases, on-site measure-
2
ties of Horizontal Pipe Insulation
ments need to be made to ensure an acceptable fit.
C 411 Test Method for Hot Surface Performance of High
1.6 The values stated in SI units shall be regarded as the
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Temperature Thermal Insulation
standard. The values given in parentheses are provided for
C 423 Test Method for Sound Absorption and Sound Ab-
information only.
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sorption Coefficients by the Reverberation Room Method
1.7 This guide does not intend to establish the criteria
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C 547 Specification for Mineral Fiber Pipe Insulation
required in the design of the equipment over which removable
C 553 Specification for Mineral Fiber Blanket Thermal
insulation covers are used, nor does this guide establish or
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Insulation for Commercial and Industrial Applications
recommend the applicability of removable insulation covers
C 592 Specification for Mineral Fiber Blanket Insulation
over all surfaces.
and Blanket-Type Pipe Insulation (Metal-Mesh Covered)
2
(Industrial Type)
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This guide is under the jurisdiction of ASTM Committee C16 on Thermal
Insulation and is the direct responsibility of Subcommittee C16.40 on Insulation
Systems.
Current edition approved March 10, 2001. Published April 2001. Originally
e1 2
published as C 1094 – 88. Last previous edition C 1094 – 88 (93) . Annual Book of ASTM Standards, Vol 04.06.
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959, United States.
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