1、HH-P-3LF 53 777777Y 00042Y7 4 FEDERAL SPECIFICATION IIH-P-3 1F June 5, 1987 SUPERSEDING HH-P-O031E(SH) July 11, 1983 HH-P-3 ID October 31, 1963 (See 6.6) PACKING AND LAGGING MATERLL, FIBROUS GLASS METALLIC AND PLAIN CLOTH AND TAPE 3 -k i . This specification is approved by the Commissioner, Federal
2、Supply Service, General Services Administration, for the use of all Federal Agencies. 1. SCOPE AND CLASSIFICATION 1.1 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
3、glass cloth and tape for pipe flange joint gaskets. 1.2 Classification. Packing or lagging covered by this specification shall be of the following types and classes, as specified (see 6.2): e Type I - Fibrous glass, wire-reinforced plain Class 1 - Cloth Class 2 - Tape Type II - Fibrous glass, heavyw
4、eight, rubber-treated Class 1 - Cloth Class 2 - Tape 2. APPLICABLE DOCUMENTS 2.1 The following documents, of the issues in effect on date of invitation for bids or request for proposal, form a part of this specification to the extent specified herein: AMSC NIA FSC 5330 DISTRIBUTION STATEMENT A Appro
5、ved for public release; distribution unlimited x THIS DOCUMENT CONTAINS 12. PAGES. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-Federal Specifications: PPP-B-601 - Boxes, Wood, Cleated Plywood PPP-B-621 - Box, Wood, Nailed and Lock-Corner. PPP-B-6
6、36 - Boxes, Shipping, Fiberboard. PPP-13-1055 - Barrier Material, Waterproofed, Flexible. - Federal Standards: FED-STD-123 - Marking for Shipment (Civil Agencies). FED-STD-191 - Textile Test Methods. PED-STD-601 - Rubber: Sampling and Testing. (Activities outside the Federal Government may obtain co
7、pies of Federal specifications, standards, and Commercial Item Descriptions as outlined under General Information in the Index of Federal Specifications, Standards, and Commercial Item Descriptions. The Index, which includes cumulative bimonthly supplements as issued, is for sale on a subscription b
8、asis by the Superintendent of Documents, U.S. Government Printing Office, Washington, DC 20402. (Copies of listed federal and military standards, specifications, Commercial Item Descriptions (CIDS), handbooks and associated documents listed in the Department of Defense Index o Specifications and Sta
9、ndards (DoDISS), should be obtained from the DoD Single Stock Point, Commanding Officer, Naval Publications and Forms Center, 5801 Tabor Avenue, Philadelphia, PA 19120. Copies of industry association documents should be obtained from the sponsor. listed documents should be obtained from the contract
10、ing activity or as directed by the contracting officer. Copies of all other (Federal Government activities may obtain copies of Federal standardization documents and the Index of Federal Specifications, Standards, and Commercial Item Descriptions from established distribution points in their agencie
11、s,) Military Standards: MIL-STD-105 - Sampling Procedures and Tables for Inspection MIL-STD-129 - Marking for Shipment and Storage. MIL-STD-147 - Palletized Unit Loads. by Attributes. (Copies of military standards required by contractors in connection with specific procurement functions should be ob
12、tained from the procuring activity or as directed by the contracting officer.) 2.2 Other publications. The following documents form a part of this speci- fication to the extent specified herein. Unless a specific issue is identified, the issue in effect on date of invitation for bids or request or p
13、roposal shall apply 2 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-L HH-P-31F 53 W 7777774 00042Li7 8 HH-P-3 1F AMERICAN SOCIETY FOR TESTING AND MATERIALS (ASTM) A 478 D 297 - Standard Methods for Rubber Products-Chemical D 1777 - Standard Method
14、for Measuring Thickness of Textile D 3774 - Standard Test Methods for Width of Woven Fabric. D 3775 - Standard Test Method for Fabric Count of Woven Fabric. D 3776 - Standard Test Methods for Mass Per Unit Area (Weight) D 3951 - Standard Practice for Commercial Packaging. F 205 - Standard Method for
15、 Measuring Diameter of Fine Wire - Standard Specification for Chromium-Nickel Stainless and Heat-Resisting Steel Weaving Wire. Analysis. (DoD adopted) Materials. of Woven Fabric. (DoD adopted) by We i ghing . (Application for copies should be addressed to the American Society for Testing and Materia
16、ls, 1916 Race Street Philadelphia, PA 19103.) (Nongovernment standards and other publications are normally available from the organizations which prepare or which distribute the documents. These documents also may be available in or through libraries or other informational services.) 3. UQUIREMENTS
17、3.1 First article. When specified in the contract or purchase order, a sample shall be subjected to first article inspection (see 4.3 and 6.3). 3.2 Materials. glass wire-inserted cloth. fibrous glass cloth treated with a natural or synthetic rubber compound. ficate of cmpliance shall be prepared to
18、verify that only nonasbestos materials are used. Type I packing or lagging shall be a plain woven fibrous Type II packing shall be a heavyweight plain woven A certi- 3.3 Type I. 3.3.1 Construction. The cloth and tape (classes 1 and 2) shall be woven from wire-reinforced fibrous glass yarn. For cloth
19、, there shall be not less than 20 total strands in the warp and 14 total strands in the fill per square inch plus or minus two ends or picks. Class 1 cloth shall be tested as specified in 4.6.1. For 1/16-inch tape, there shall be not less than 20 total warp strands and not less than 14 total fill st
20、rands per square inch plus or minus two ends or picks. For 1/8-inch thick tape, there shall be not less than 40 total warp strands and not less than 28 total fill strands per square inch plus or minus four ends or picks. Construction of the cloth and tape shall be as specified in ,4.6.1. 3 Provided
21、by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,- HH-P-31iF 53 797777Y OOOY250 Y NH-P-3 1F 3.3.1,l _I Yarn, Each yarn of the warp and fill shall consist of three ends of textured glass and two ends of type 304 corrosion resistant steel (CRES) wire yarn in acco
22、rdance with ASTM A 478. manner that will secure the glass and wire and prevent skinback when tested as specif ied in 4.6.1.1. The wire and glass shall be plied in a 3.3.1.2 Wire insertion. The wire shall be made of type 304 CRES in accor- dance with ASTM A 478. that the wire is of the proper composi
23、tion. The total cross section of the two wires shall be 0.009 5 0.001 inch in diameter when tested as specified in 4.6.2. Any combination of wire diameters is permitted. A certificate of compliance shall be prepared to show 3.3.2 Thickness. 3,3.2,1 Class 1, cloth. Unless otherwise specified (see 6.2
24、), cloth shall have a nominal thickness of 0.041 inch plus or minus 10 percent when tested as speciEied in 4.6,3. 3.3.2.2 Class 2, tape. Tape shall have a nominal thickness as specified (see 6.2), with a tolerance of plus or minus 10 percent when tested as specified in 4.6.3. selvage (see 6.2). Tape
25、 1/16 inch and thicker may either be woven to the speci- fied thickness or made from strips cut from sheet, folded to the specified thickness and sewn. Tape 3/64 inch in nominal thickness shall be woven with or without a 3.3.3 Weight. The weight of the type I, class 1 cloth shall-be 24 ounces per sq
26、uare yard plus or minus 10 percent. woven tapes shall be 44 ounces per square yard plus or minus 10 percent for the 1/16-inch thick tape and 80 ounces per square yard plus or minus 10 percent for the 1/8=inch thick tape. The weight of the tape and cloth shall be tested as specified in 4.6.4. The wei
27、ght of the type I, class 2 3.3.4 Width. 3.3.4.1 Class 1, cloth. The nominal width of the cloth shall be as speci- fied (see 6.2), with the following tolerances, when tested as specified in 4.6.8: Up to and including 40 inches - plus or minus 1/2 inch. Over 40 inches but not including 60 inches - plu
28、s or minus 3/4 inch. 60 inches and over - plus or minus 1 inch. 3.3.4.2 Class 2, tape. Tape shall be 1/2, 3/4, 1 and 2-3/4 inches wide when tested as specified in 4.6.8 with a tolerance of plus or minus 1/8 inch on 1/2-, 3/4- and 1-inch widths. For widths over 1 inch, the tolerance shall be plus or
29、minus 1/4 inch (see 6.2). Tape shall be with or without a selvage as specified (see 6.2). 3.3.5 Breaking strength. 3.3.5.1 Class 1, cloth. The fabric shall have a minimum breaking strength of 300 pounds per inch of width in the longitudinal (warp) direction and 118 pounds per inch of width in the tr
30、ansverse (fill) direction when tested as speci- fied in 4.6.9. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-HH-P-31F 53 = 7777774 0004251 b HH-P-3 1F 3.3.5.2 Class 2, tape. The tape shall have a minimum breaking strength of 300 pounds per inch of
31、width in the longitudinal (warp) direction when tested as specified in 4.6.9. 3.4 Type II. 3.4.1 Untreated cloth and tape. 3.4.1.1 Construction. The cloth and tape shall be woven from texturized fibrous glass yarn with not less than 10 plus or minus two ends and picks per inch when tested as specifi
32、ed in 4.6.1. 3.4.1.2 -Weight. The weight of the cloth shall be 36 ounces per square yard plus or minus 10 percent when tested as specified in 4.6.4. 3.4.1.3 Thickness. 3.4.1.3.1 Class 1, cloth. Unless otherwise specified (see 6.2), cloth shall have a nominal thickness of 0.065 inch plus or minus 10
33、percent when tested as specified in 4.6.3. 3.4.1.3.2 Class 2, tape. Tape shall have a nominal thickness as specified (see 6.2), with a tolerance of plus or minus 10 percent when tested as specified in 4.6.3. selvage (see 6.2). fied thickness or made from strips cut from sheet, folded to the specifie
34、d thick- ness, and sewn. Tape 1/16 inch in nominal thickness shall be woven with or without a Tape 1/8 inch and thicker may either be woven to the speci- 3.4.1.4 Breaking strength. 3.4.1.4.1 Class 1, cloth. The cloth shall have a minimum breaking strength of 300 pounds per inch of width in the longi
35、tudinal (warp) direction and 180 pounds per inch of width in the transverse (fill) direction when tested as speci- fied in 4.6.9. 3.4.1.4.2 Class 2, tape. The tape shall have a minimum breaking strength of 300 pounds per inch of width in the longitudinal (warp) direction when tested as specified in
36、4.6.9. 3.4.2 Rubber coated and impregnated cloth and tape. 3.4.2.1 Rubber compound. Cloth and tape as specified in 3.4.1 shall be coated and impregnated uniformly with rubber compound. The rubber compound shall be not less than-40 percent or more than 55 percent of the finished fabric weight when te
37、sted as specified in 4.6.5. 3.4.2.2 Number of plies. The rubber coated and impregnated cloth or tape packing of 1/16-inch nominal thickness shall be one-ply cloth. Packing 1/8, 3/16, and 1/4 inch shall have two, three and four plies respectively, of one-ply cloth. 3.4.2.3 Resistance to cracking. The
38、 rubber coated and impregnated packing shall not crack or show any signs of injury when tested as specified in 4.6.6. 5 . Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,- _- HH-P-31iF 53 W 7747774 O004252 W HH-P-3 1F 3.4.2*4 Effect of steam. show no
39、significant deterioration, such as cracking or disintegration, of the rubber compound when tested as specified in 4.6.7. The rubber coated and impregnated packing shall 3.4.2.5 Width. 3.4.2,5.1 Class 1, cloth. Unless otherwise specified (see 6,2), the width of cloth packing shall be 40 minus O plus
40、2 inches when tested as specified in 4.6.8. Other widths shall have a tolerance of minus O, plus 10 percent. 3.4.2.5.2 Class 2, tape. Tape packing shall be 1/2, 3/4, 1 or 2-3/4 inches wide when tested as specified in 4.6.8 with a tolerance of plus or minus 1/8 inch on 1/2, 3/4 and 1 inch widths. plu
41、s or minus 1/4 inch (see 6.2). specif led (see 6.2). For widths over 1 inch, the-tolerance shall be Tape shall be with or without a selvage as 3*5 Length of rolls. The rolls of packing or lagging material shall be of the following lengths and shall consist of not more than two pieces (see 6.2): Type
42、 I, class 1 - 150 or 300 linear feet Type i, class 2 - 50 or 100 linear feet Type II, classes 1 and 2 - 50 or 100 linear feet 3.6 Marking, The type II finished packing material shall be marked with the manufacturers name or trademark neatly stenciled upon each linear yard, and the date of manufactur
43、e shall be marked on the end of each roll. I and 11, the lagging and packing materials shall be marked “ASBESTOS-FREE“ as specified in 5.3.3. For both type 3.7 Workmanship. The finished packing or lagging material shall be free from visible defects which may impair its serviceability when examined a
44、s speci- fied in 4.5.1. 4. QUALITY ASSURANCE PROVISIONS 4.1 Responsibility for inspection. Unless otherwise specified in the contract or purchase order, the contractor is responsible for the performance of all inspection requirements as specified herein. Except as otherwise specified in the contract
45、 or purchase order, the contractor may use his own or any other facilities suitable for the performance of the inspection requirements specified herein, unless disapproved by the Government. The Government reserves the right to perform any of the inspections set forth in the specification where such
46、 inspections are deemed necessary to assure supplies and services conform to prescribed requirements. 4.1.1 Responsibility for compliance. All items must meet all requirements of sections 3 and 5. a part of the contractors overall inspection system or quality program. The absence of any inspection r
47、equirements in the specification shall not relieve the contractor of the responsibility of assuring that all products or supplies submitted to the Government for acceptance comply with all requirements of the contract. Sampling in quality conformance does not authorize submission of known defective
48、material, either indicated or actual, nor does it commit the Government to acceptance of defective material. The inspection set forth in this specification shall become 6 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-HH-P-3LF 53 9977774 0004253 T W
49、 4.6.1 4.6.1.1 4-6.2 4.6.3 4.6.4 4.6.8 4.6-9 4.6.5 I 1 4.6.6 4.6.7 i - HH-P-3 1F 4.2 Classification of inspections. The inspection requirements specified herein are classified as follows: (a) (b) First article inspection (see 4.3). Quality conformance inspection (see 4.5). 4.2.1 Inspection conditions. Unless otherwise specified herein, all inspec- tions shall be performed in accordance with the test conditions specified in 4.3, 4.4, 4.5 and 4.6. 4.3
