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定价: 481元 / 折扣价: 409 加购物车

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1.1 This specification covers requirements for non-pressure polyolefin pipe and fittings for drainage, waste, and vent applications.NOTE 1: This specification does not include requirements for pipe and fittings intended to be used to vent combustion gases.1.2 Pipe is produced in Schedule 40 and 80 IPS sizes, in metric sizes, and in DR IPS sizes for two polyolefins; polyethylene (PE) and polypropylene (PP).1.3 The interchangeability of pipe and fittings made by different manufacturers is not addressed in this specification.1.4 Pipe and fittings are joined by the heat fusion method (Practice D2657 for PP butt and saddle fusion, Practice F2620 for PE butt, saddle and socket fusion and Practice F1290 for polyolefin electrofusion) or by using mechanical or gasketed joints recommended by the pipe and fitting manufacturers.1.5 The values stated in inch-pound units are to be regarded as standard. The values given in parentheses are mathematical conversions to SI units that are provided for information only and are not considered standard.1.6 The text of this specification references notes, footnotes, and appendixes which provide explanatory material. These notes and footnotes (excluding those in tables and figures) shall not be considered as requirements of the specification.1.7 The following safety hazards caveat pertains only to the test methods portion, Section 8, of this specification: This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety, health, and environmental practices and determine the applicability of regulatory limitations prior to use.1.8 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.

定价: 590元 / 折扣价: 502 加购物车

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This specification covers wrought carbon steel and alloy steel fittings of seamless and welded construction. These fittings are for use in pressure piping and in pressure vessel fabrication for service at moderate and elevated temperatures. The material for fittings shall consist of killed steel, forgings, bars, plates, seamless or fusion-welded tubular products with filler metal added. Forging or shaping operations may be performed by hammering, pressing, piercing, extruding, upsetting, rolling, bending, fusion welding, machining, or by a combination of two or more of these operations. The forming procedure shall be so applied that it will not produce injurious imperfections in the fittings. Fittings, after forming at an elevated temperature, shall be cooled to a temperature below the critical range under suitable conditions to prevent injurious defects caused by too rapid cooling, but in no case more rapidly than the cooling rate in still air. The fittings shall be subjected to tension test, hardness test, and hydrostatic test.1.1 This specification2 covers wrought carbon steel and alloy steel fittings of seamless and welded construction covered by the latest revision of ASME B16.9, B16.11, MSS-SP-79, MSS-SP-83, MSS-SP-95, and MSS-SP-97. These fittings are for use in pressure piping and in pressure vessel fabrication for service at moderate and elevated temperatures. Fittings differing from these ASME and MSS standards shall be furnished in accordance with Supplementary Requirement S58 of Specification A960/A960M.1.2 Optional supplementary requirements are provided for fittings where a greater degree of examination is desired. When desired, one or more of these supplementary requirements may be specified in the order.1.3 This specification does not cover cast welding fittings or fittings machined from castings. Cast steel welding fittings are governed by Specifications A216/A216M and A217/A217M.1.4 This specification is expressed in both inch-pound units and in SI units. However, unless the order specifies the applicable “M” specification designation (SI units), the material shall be furnished to inch-pound units.1.5 The values stated in either SI units or inch-pound units are to be regarded separately as standard. Within the text, the SI units are shown in brackets. The values stated in each system may not be exact equivalents; therefore, each system shall be used independently of the other. Combining values from the two systems may result in non-conformance with the standard.1.6 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.

定价: 590元 / 折扣价: 502 加购物车

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1.1 This practice describes procedures for making butt fusion joints with Polyamide 12 (PA12) pipe and fittings by means of heat fusion joining in, but not limited to, a field environment. Procedure A is for environmental temperatures of 40 °F (4 °C) and higher. Procedure B is for site temperatures below 40 °F (4 °C). Other suitable heat fusion joining procedures are available from various sources including pipe and fitting manufacturers. This standard does not purport to address all possible heat fusion joining procedures, or to preclude the use of qualified procedures developed by other parties that have been proved to produce reliable heat fusion joints.1.2 The parameters and procedures are applicable only to joining PA12 pipe and fittings and are not applicable to other polyamide types. They are intended only for PA12 fuel gas pipe per Specification F2785 and PA12 butt heat fusion fittings in accordance with Specification F1733. Fusion to other polyamide types (that is, cross-fusion) is not permitted under this practice, and this practice does not not apply to other polyamide types. Consult with the pipe and fittings manufacturers to make sure they recommend this procedure for the pipe and fittings to be joined (also see Appendix X1).1.3 The procedures in this practice apply to the butt fusion of PA12 pipe and butt fusion fittings in accordance with 1.2 having like diameter and wall thickness.NOTE 1: Refer to X1.5 for guidance regarding dissimilar wall thicknesses.1.4 Other suitable heat joining procedures are available from various sources including pipe and fitting manufacturers. Melt characteristics, average molecular weight and molecular weight distribution of PA12 compounds are influential factors in establishing suitable fusion parameters; therefore, consider the manufacturer’s recommendations in the use or development of a specific fusion procedure.1.5 The text of this practice references notes, footnotes, and appendixes which provide explanatory material. These notes and footnotes (excluding those in tables and figures) shall not be considered as requirements of the practice.1.6 The values stated in inch-pound units are to be regarded as standard. The values given in parentheses are mathematical conversions to SI units that are provided for information only and are not considered standard.1.6.1 Non-conformance with this specification is possible if values from the two systems are combined. Values in parentheses are conversions that are appropriately rounded for accuracy and precision; that are not exact equivalents, and that are for non-mandatory informational purposes.1.7 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety, health, and environmental practices and determine the applicability of regulatory limitations prior to use.1.8 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.

定价: 646元 / 折扣价: 550 加购物车

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1.1 This specification covers polyethylene (PE 4710) electrofusion fittings for use with outside diameter-controlled crosslinked polyethylene (PEX) pipe, covered by Specifications F2788/F2788M, F2905/F2905M and F2968/F2968M. As stated in these PEX pipe standards, the PEX pipes joined to these PE 4710 electrofusion fittings have an HDB of 1250 psi or 1600 psi at 73 °F (23 °C) per Test Method D2837. Requirements for all metric-sized and inch-sized fittings for use with PEX pipe, made in accordance to these three pipe standards, are specified in Specification F2829/F2829M.1.2 The maximum allowable operating temperature of electrofusion fittings made in accordance with this standard is limited to the highest temperature at which the HDB of the PE 4710 has been determined. When joined to PEX pipe having a higher temperature HDB, the maximum use temperature for the PE/PEX joint is limited to the elevated temperature HDB rating of the PE material in the fittingNOTE 1: PEX and PE 4710 materials can have different elevated temperature ratings, and when joined together, the lower maximum elevated temperature rating will limit the maximum operating temperature. Per Table 1, the required PE 4710 material must have an HDB at 140 °F (60 °C), but may have an HDB at 180 °F (82 °C). PEX pipes generally have HDB ratings at 180 °F (82 °C) or 200 °F (93 °C) or both. When joined to PEX pipe, PE 4710 electrofusion fittings made in accordance with this standard may limit the maximum operating temperature to 140 °F (60 °C) where the PE 4710 material used does not have an optional higher temperature HDB rating.1.3 Requirements for materials, workmanship, and qualification testing performance are included. The PE electrofusion fitting manufacturer shall assure that fittings produced in accordance with this specification comply with all the requirements of this specification. If a PEX pipe manufacturer deems that their pipe is suitable for joining to polyethylene (PE) electrofusion fittings, the PEX pipe manufacturer shall qualify their PEX pipe by testing joints made with these PE electrofusion fittings, and assuring that the joints meet the performance requirements of this specification.1.4 The values stated in inch-pound units are to be regarded as standard. The values given in parentheses are mathematical conversions to SI units that are provided for information only and are not considered standard.1.5 The following safety hazards caveat pertains only to the test method portion, Section 9, of this specification: This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety, health, and environmental practices and determine the applicability of regulatory limitations prior to use.1.6 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.

定价: 646元 / 折扣价: 550 加购物车

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1.1 This specification covers requirements for PVC pipe and tubing for use only to maintain or repair existing PVC gas piping. This specification covers requirements for fittings for use to maintain or repair existing PVC gas piping.1.1.1 In-plant quality control programs are specified in Annex A1.1.2 The text of this specification references notes and, footnotes, and appendixes which provide explanatory material. These notes and footnotes (excluding those in tables and figures) shall not be considered as requirements of the specification.1.3 The values stated in inch-pound units are to be regarded as standard. The values given in parentheses are mathematical conversions to SI units that are provided for information only and are not considered standard.1.4 The following is an index of the annexes in this specification:Annex SubjectAnnex A1 In-Plant Quality Control for PVC materialsup to 6 in.1.5 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety, health, and environmental practices and determine the applicability of regulatory limitations prior to use.1.6 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.

定价: 590元 / 折扣价: 502 加购物车

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定价: 819元 / 折扣价: 697 加购物车

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定价: 345元 / 折扣价: 294 加购物车

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This specification covers requirements for polyethylene (PE) pipe and fittings for normal residential and commercial roof drain systems. Material for pipe or fitting shall be made from PE virgin plastic as defined by hydrostatic design stresses and shall contain suitable stabilizers and antioxidants. Pipe and fitting requirements include pipe dimensions, fitting dimensions, chemical resistance, water absorption, system integrity, sealing rings, flattening, impact resistance, workmanship, finish, and appearance. Test methods include test conditions, chemical resistance, water absorption, hydrostatic pressure test, mechanical-joint pullout test, threads, flattening, and impact resistance. Quality and product marking shall also conform to the requirements of this specification.1.1 This specification covers requirements for polyethylene (PE) pipe and fittings for nonpressure roof drain systems.1.2 This specification covers pipe and fittings intended for normal residential and commercial uses and is not intended for use in unusual corrosive conditions.NOTE 1: Before installing pipe for waste disposal use, the approval of the cognizant building code authority shall be obtained as conditions not found in normal use or temperatures approaching 140 °F (60 °C) may be encountered.1.3 Pipe is produced in dimensions based on outside diameters of 32 mm (1.250 in.) and larger in accordance with Specification F714.1.4 The interchangeability of pipe and fittings made by different manufacturers is not addressed in this specification. Transition fittings for joining pipe and fittings of different manufacturers is provided for in this specification.1.5 Pipe and fittings are joined by the heat-fusion method, by the electrofusion method, or by using mechanical joints (excluding insert fittings) recommended by the manufacturer.1.6 In referee decisions, the SI units shall be used for metric-sized pipe and inch-pound units for pipe sized in the IPS system (ANSI B36.10). In all cases, the values given in parentheses are provided for information only.1.7 The following safety hazards caveat pertains only to the test method, Section 7, of this specification. This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety, health, and environmental practices and determine the applicability of regulatory limitations prior to use.1.8 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.

定价: 590元 / 折扣价: 502 加购物车

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1.1 This specification includes requirements, test methods, and materials for a polyethylene (PE) corrugated pipe with a smooth interior. The pipe consists of an outer corrugated wall connected to a smooth inner wall. Joints and fittings are included in this specification. 1.2 The requirements of this specification are intended to provide pipe and fittings suitable for underground use in nonpressure applications such as sewers, conduit, and land drainage. 1.3 The values stated in inch-pound units are to be regarded as the standard. The values given in parentheses are for information only. 1.4 The following safety hazards caveat pertains only to the test methods portion, Section 11, of this specification: This standard does not purport to address all of the safety concerns, 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.

定价: 0元 / 折扣价: 0

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This specification covers reinforced plastic pipe and fitting system made from epoxy resin and glass-fiber reinforcement, together with adhesive for joint assembly, intended for services in aviation jet turbine fuel lines installed below ground. The fiberglass pipe shall be round and straight, and the pipe and fittings shall be of uniform density, resin content, and surface finish. Tests shall be conducted on the specimen to determine compliance with the following performance requirements: joint strength; hydrostatic strength; impact resistance; boil resistance; external load resistance; and degradation resistance.1.1 This specification covers a reinforced plastic pipe and fittings system made from epoxy resin and glass-fiber reinforcement, together with adhesive for joint assembly, intended for service up to 150°F (65.6°C) and 150-psig (1034-kPa) operating pressure and surges up to 275 psig (1896 kPa) in aviation jet turbine fuel lines installed below ground.1.2 The dimensionless designator NPS has been substituted in this specification for such traditional terms as nominal diameter, size, and nominal size.1.3 The values stated in inch-pound units are to be regarded as standard. The values in parentheses are for information only.1.4 The following safety hazards caveat pertains only to the test method portion, Section 9, of this specification: This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety, health, and environmental practices and determine the applicability of regulatory limitations prior to use.NOTE 1: There is no known ISO equivalent to this standard.1.5 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.

定价: 590元 / 折扣价: 502 加购物车

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B125.3-05 Plumbing Fittings 现行 发布日期 :  1970-01-01 实施日期 : 

定价: 683元 / 折扣价: 581

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This specification covers the dimensional, design, and performance requirements for five types (Types EB-20, EB-35, DB-60, DB-100, and DB-120) of smooth-wall poly(vinyl chloride) (PVC) conduits and fittings for underground communication and electrical power wires and cables. Conduits and fittings shall be evaluated on impact resistance and strength, joint tightness, pipe stiffness, and extrusion quality.1.1 This specification covers the requirements for single wall and coextruded cellular core smooth-wall poly(vinyl chloride) conduit and fittings for underground communication and electrical power wire and cables. Plastics which does not meet the material requirements specified in Section 5 is excluded from single layer and all coextruded layers.1.2 The values given in parentheses are for information only.1.3 The following safety hazards caveat pertains only to the test method portion, Section 8, of this specification: This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety, health, and environmental practices and determine the applicability of regulatory limitations prior to use.1.4 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.

定价: 590元 / 折扣价: 502 加购物车

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5.1 The techniques described herein are used to produce leak-tight soldered joints between copper and copper alloy tube and fittings, either in shop operations or in the field. Skill and knowledge on the part of the operator or mechanic are required to obtain a satisfactorily soldered joint.1.1 This practice covers a procedure for making capillary joints by soldering of copper and copper alloy tube and fittings.1.2 This procedure is applicable to pressurized systems such as plumbing, heating, air conditioning, refrigeration, mechanical, fire sprinkler, and other similar systems. ASME B31.5 and B31.9 reference the techniques used for satisfactory joint preparation. It is also used in the assembly of nonpressurized systems such as drainage, waste, and vent.1.3 It is not applicable to the assembly of electrical or electronic systems.1.4 Tube and fittings are manufactured within certain tolerances to provide for the small variations in dimensions associated with manufacturing practice. Applicable specifications are listed in Appendix X1.1.5 A variety of solders are available that will produce sound, leak-tight joints. Choice of solder will depend upon the type of application and on local codes. For potable water systems, only lead-free solders shall be used, some of which are described in Specification B32.1.6 The values stated in inch-pound units are to be regarded as standard. The values given in parentheses are mathematical conversions to SI units that are provided for information only and are not considered standard.1.7 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety, health, and environmental practices and determine the applicability of regulatory limitations prior to use. For hazard statements, see the warning statements in 6.4.1, 6.6.1, and 6.6.3.1.8 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.

定价: 590元 / 折扣价: 502 加购物车

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