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ASTM F492

1995 Edition, September 10, 1995

Complete Document

Standard Specification for Propylene and Polypropylene (PP) Plastic-Lined Ferrous Metal Pipe and Fittings



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Product Details:

  • Revision: 1995 Edition, September 10, 1995
  • Published Date: September 10, 1995
  • Status: Not Active, See comments below
  • Document Language: English
  • Published By: ASTM International (ASTM)
  • Page Count: 5
  • ANSI Approved: Yes
  • DoD Adopted: No

Description / Abstract:



1. Scope

1.1 This specification covers factory-made propylene and polypropylene (PP) plastic-lined ferrous metal pipe and fittings, primarily intended for conveying corrosive liquids and gases. Requirements for materials, workmanship, dimensions, design, construction, working pressures and temperatures, test methods, and markings are included.

NOTE 1--In this specification, propylene plastics cover those materials defined as both polypropylene plastics and propylene plastics in Definitions D 883. Both materials are identified as "PP" on the product. Note that this is at variance with Abbreviations D 1600, where PP is the abbreviation for polypropylene.

NOTE 2--This specification does not include products coated with PP nor does it define the suitability of PP-lined components in chemical environments.

1.2 The ferrous piping products shall meet the requirements of the relevant specifications listed in 1.2.1. Nominal sizes from ½ through 12 in. in Class 125, 150, and 300-psi are covered.

NOTE 3--The PP sealing faces may prevent achievement of the full pressure rating of the ferrous housings. For pressure limitations, the manufacturer should be consulted.

NOTE 4--Flanged fittings are not available in sizes ½ and ¾.

1.2.1 For Ferrous Pipe:

1.2.2 For Ferrous Flanges:

1.2.3 For Ferrous Fittings:

1.3 The PP-lined flanged pipe and fitting assemblies are limited to use from −18 to 107°C (0 to 225°F). For use below −18°C (0°F) consult the manufacturer. Use in specific aggressive environments may alter the above temperature range. The operating temperature limits shall be established by mutual agreement between the purchaser and the seller.

1.4 The values stated in inch-pound units are to be regarded as the standard.