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This specification covers the materials and testing of shield hubless couplings to join hubless cast iron soil pipe and fittings. Gaskets shall comply with the required physical and chemical properties, dimensions, and material specifications. The rubber gasket shall conform to the required physical requirements such as tensile strength, elongation, durometer, accelerated aging, compression set, oil immersion, ozone cracking, tear resistance, and water absorption. The shield and clamp assembly shall be made of material conforming to the requirements such as tensile strength and hardness. All parts shall be made of 300 series stainless steel, namely: Type 301; Type 304; Type 300; Type 301; and Type 305. The material shall also undergo physical tests like deflection, shear, and unstrained hydrostatic tests.
This abstract is a brief summary of the referenced standard. It is informational only and not an official part of the standard; the full text of the standard itself must be referred to for its use and application. ASTM does not give any warranty express or implied or make any representation that the contents of this abstract are accurate, complete or up to date.
Significance and Use
1.1 This specification covers the materials and testing of shielded hubless couplings to join hubless cast iron soil pipe and fittings.
1.2 Several different types of hubless couplings are available for use in hubless cast iron sanitary and storm drain, waste and vent piping applications to connect hubless cast iron soil pipe and fittings by using a sleeve-type, or some other type coupling device. It is the purpose of this specification to furnish information as to the characteristics of one such sleeve type couplings when applied to cast iron soil pipe and fittings manufactured in accordance with Specification A888, latest revision, and CISPI-301, latest revision.
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 committee with jurisdiction over this standard is aware of other comparable standard published by the Cast Iron Soil Pipe Institute, CISPI-310, FM 1680 published by Factory Mutual, and Specification C1540 published by ASTM.
1.5 The following precautionary caveat pertains only to the test method portion, 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 and health practices and determine the applicability of regulatory limitations prior to use.
2. Referenced Documents (purchase separately) The documents listed below are referenced within the subject standard but are not provided as part of the standard.
Factory Mutual StandardFM1680 Couplings Used in Hubless Cast Iron Systems for Drain, Waste or Vent, Sewer, Rainwater or Storm Water System, Above or Below Ground, Industrial, Commercial and Residential Available from Factory Mutual Research, 1151 Boston-Providence Turnpike, Norwood, MA, 02062.
A240/A240M Specification for Chromium and Chromium-Nickel Stainless Steel Plate, Sheet, and Strip for Pressure Vessels and for General Applications
A644 Terminology Relating to Iron Castings
A888 Specification for Hubless Cast Iron Soil Pipe and Fittings for Sanitary and Storm Drain, Waste, and Vent Piping Applications
C564 Specification for Rubber Gaskets for Cast Iron Soil Pipe and Fittings
C1540 Specification for Heavy Duty Shielded Couplings Joining Hubless Cast Iron Soil Pipe and Fittings
D3677 Test Methods for Rubber--Identification by Infrared Spectrophotometry
CISPI StandardCISPI-310 Specification for Couplings for Use in Connection with Hubless Cast Iron Soil Pipe and Fittings for Sanitary and Storm Drain, Waste, and Vent Piping Applications
ICS Number Code 23.040.10 (Iron and steel pipes); 23.040.40 (Metal fittings)