ASTM F1138-98(2014)

NOTICE: This standard has either been superseded and replaced by a new version or withdrawn.
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Designation:F1138 −98 (Reapproved 2014) An American National Standard
Standard Specification for
Spray Shields for Mechanical Joints
This standard is issued under the fixed designation F1138; the number immediately following the designation indicates the year of
original adoption or, in the case of revision, the year of last revision.Anumber in parentheses indicates the year of last reapproval.A
superscript epsilon (´) indicates an editorial change since the last revision or reapproval.
This standard has been approved for use by agencies of the U.S. Department of Defense.
1. Scope B164Specification for Nickel-Copper Alloy Rod, Bar, and
Wire
1.1 This specification describes the manufacturing require-
B166Specification for Nickel-Chromium-IronAlloys (UNS
mentsforsprayshieldstockandthefabricationandinstallation
N06600, N06601, N06603, N06690, N06693, N06025,
requirements for spray shields made from that stock.
N06045, and N06696), Nickel-Chromium-Cobalt-
1.1.1 Sections2–14 address the manufacturing require-
Molybdenum Alloy (UNS N06617), and Nickel-Iron-
ments for the spray shield stock. Annex A1 addresses the
Chromium-TungstenAlloy (UNS N06674) Rod, Bar, and
fabrication and installation requirements for the spray shields.
Wire
1.1.2 Fig.1showsthetypicalconstructionofasprayshield.
D1308Test Method for Effect of Household Chemicals on
Figs. 2-6 show methods of installation of a spray shield on
Clear and Pigmented Organic Finishes
various mechanical joints.
D1424Test Method for Tearing Strength of Fabrics by
1.2 The shields are intended for use around mechanical
Falling-Pendulum (Elmendorf-Type) Apparatus
joints (flanged, bolted unions, and so forth) in liquid piping
D1682Test Method for Breaking Load and Elongation of
systemstopreventtheimpingementofflammableliquidonhot
Textile Fabric (Withdrawn 1992)
surfaces or fluids onto electrical switchboards and components
D1777Test Method for Thickness of Textile Materials
resulting from a leak in the mechanical joint.
D3389Test Method for Coated FabricsAbrasion Resistance
1.3 The values stated in inch-pound units are to be regarded (Rotary Platform Abrader)
D3776Test Methods for Mass Per Unit Area (Weight) of
as the standard. The values given in parentheses are for
information only. Fabric
D3786 Test Method for Bursting Strength of Textile
1.4 This international standard was developed in accor-
Fabrics—Diaphragm Bursting Strength Tester Method
dance with internationally recognized principles on standard-
D3951Practice for Commercial Packaging
ization established in the Decision on Principles for the
F501Test Method for Aerospace Materials Response to
Development of International Standards, Guides and Recom-
Flame, with Vertical Test Specimen (for Aerospace Ve-
mendations issued by the World Trade Organization Technical
hicles Standard Conditions) (Withdrawn 1998)
Barriers to Trade (TBT) Committee.
2.2 American Association of Textile Chemists and Colorists
2. Referenced Documents
Standards:
AATCC-22Water Repellency, Spray Test
2.1 ASTM Standards:
AATCC-35Water Resistance, Rain Test
A176Specification for Stainless and Heat-Resisting Chro-
AATCC-127Water Resistance, Hydrostatic Pressure Test
mium Steel Plate, Sheet, and Strip
A276Specification for Stainless Steel Bars and Shapes
2.3 Military Standards:
A580/A580MSpecification for Stainless Steel Wire MIL-C-20079Cloth, Glass, Tape, Textile Glass and Thread,
B134/B134MSpecification for Brass Wire
Glass
MIL-C-20696Cloth, Coated, Nylon Waterproof
This specification is under the jurisdiction ofASTM Committee F25 on Ships
and Marine Technology and is the direct responsibility of Subcommittee F25.07 on
General Requirements. The last approved version of this historical standard is referenced on
Current edition approved Feb. 1, 2014. Published February 2014. Originally www.astm.org.
approved in 1988. Last previous edition approved in 2007 as F1138–98 (2007). Available from American Association of Textile Chemists and Colorists
DOI: 10.1520/F1138-98R14. (AATCC), P.O. Box 12215, Research Triangle Park, NC 27709, http://
For referenced ASTM standards, visit the ASTM website, www.astm.org, or www.aatcc.org.
contact ASTM Customer Service at service@astm.org. For Annual Book of ASTM AvailablefromU.S.GovernmentPrintingOfficeSuperintendentofDocuments,
Standards volume information, refer to the standard’s Document Summary page on 732 N. Capitol St., NW, Mail Stop: SDE, Washington, DC 20401, http://
the ASTM website. www.access.gpo.gov.
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F1138−98 (2014)
FIG. 1 Spray Shield Construction (Typical)
FIG. 3 Spray Shield for Pump Inlet Head
FIG. 2 Installation of Butterfly Valve Shield
4.1.1 Lacing rings may be used instead of lacing hooks
2.4 Federal Standard:
where practicable or preferable (see 3.3).
WW-C-440Clamps, Hose (Low Pressure)
4.1.2 Lacing washers for fastening hooks or rings shall be
two-hole washers.
3. Ordering Information
4.2 Stitch wire (Piece 5 in Table 1) shall be constructed of
3.1 ASTM designation and year of issue,
stainless steel in accordance with Specification A580/A580M.
3.2 Length and width required (see 7.1), and
4.3 The aluminized glass cloth, thread, and the protective
3.3 Type of stainless steel (see 4.1).
outer jacket shall be constructed of material as specified in
Table 1 and Table 2.
3.4 Type of lacing hardware required (see 4.1.1).
4. Materials and Manufacture 5. Physical and Mechanical Properties
4.1 Lacing hooks, lacing rings, and lacing washers (see Fig. 5.1 The physical and mechanical properties for the alumi-
7) shall be constructed of stainless steel in accordance with nizedglasscloth,thread,andprotectiveouterjacketshallbeas
Specifications A176, A276,or A580/A580M. specified in Table 1 and Table 2.
F1138−98 (2014)
8.4 There shall be no holes or openings of any kind in the
shields other than those made by sewing or the attachment of
lacing hooks or rings.
9. Sampling, Selection, and Number of Specimens
9.1 Unless otherwise specified, the sampling of, selection
of, and number of specimens for the aluminized glass cloth,
thread, and protective outer jacket shall be as specified in the
applicable test methods listed in Table 1 and Table 2.
10. Test Methods
10.1 The methods for testing the aluminized glass cloth,
thread,andprotectiveouterjacketshallbeasspecifiedinTable
1 and Table 2.
11. Inspection
11.1 Unless otherwise specified in the contract or purchase
order, the contractor is responsible for performing inspections
to determine conformance to the requirements specified in
Section 8 of this specification.
12. Rejection and Rehearing
FIG. 4 Spray Shield for Simplex Strainer 12.1 Material that fails to conform to the requirements of
thisspecificationmayberejected.Rejectionshouldbereported
to the producer or supplier promptly and in writing. In case of
6. Requirements
dissatisfaction with the results of the test, the producer or
6.1 If lacing hooks or rings are of the type that fasten by
supplier may make claim for a rehearing.
stitching, the hooks or rings shall be attached to the backup
washers using a wire stitch machine and wire (Pieces 5 or 8 in
13. Product Marking
Table 1).
13.1 Indelible stamp denoting the width of the shield shall
6.2 Lacing anchor/self-locking washer-type systems shall
be placed at 24-in. (610-mm) intervals on the visible foil side
not be used on spray shields.
of the shield so that it will be visible when the shield is rolled
and packaged.
7. Dimensions and Permissible Variations
14. Packaging and Package Marking
7.1 Thematerialforshieldsshallbestandard
...