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1.1 This specification covers factory-made perfluoro (ethylene-propylene) copolymer (FEP) 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-The values given in parentheses are provided for information purposes only. Note 2-This specification does not include products coated with FEP nor does it define the suitability of FEP-lined components in chemical environments.
1.2 The ferrous piping products shall meet the requirements of the relevant specification listed in 1.2.1 through
1.2.4. Nominal sizes from 1 through 12 in. in 150 and 300 psi (1.0 to 2.0 MPa) ratings are covered.Note 3-The FEP sealing faces may prevent achievement of the full pressure rating of the ferrous housings. For pressure limitations, the manufacturer should be consulted.
1.2.1 For Ferrous Pipe:ASTM Title of Specification Designation Pipe, Steel, Black, and Hot-Dipped, Zinc-Coated Welded A 53 and Seamless Seamless Carbon Steel Pipe and High-Temperature Service A 106 Electric-Resistance-Welded Steel Pipe A 135 Electric-Welded Low-Carbon Steel Pipe for the Chemical A 587 Industry Seamless and Welded Austenitic Stainless Steel Pipe A 312
1.2.2 For Ferrous Flanges:ASTM Title of Specification Designation Forgings, Carbon Steel, for Piping Components A 105 Forged or Rolled Steel Pipe Flanges, Forged Fittings and A 181 Valves and Parts for General Service Forged or Rolled Alloy-Steel Pipe Flanges, Forged Fittings, A 182 and Valves and Parts for High-Temperature Service Carbon-Steel Castings Suitable for Fusion Welding for A 216 High-Temperature Service Ferritic Ductile Iron for Pressure Retaining Castings for Use A 395 at Elevated Temperatures Ductile Iron Castings A 536
1.2.3 For Ferrous Fittings:ASTM Title of Specification Designation Forgings, Carbon Steel, for Piping Components A 105 Forged or Rolled Steel Pipe Flanges, Forged Fittings, and A 181 Valves and Parts for General Service Carbon Steel Castings Suitable for Fusion Welding for A 216 High-Temperature Service Piping Fittings Wrought Carbon Steel and Alloy Steel for A 234 Moderate and Elevated Temperatures Austenitic Steel Castings for High-Temperature Service A 351 Alloy Steel Castings Specially Heat-Treated for Pressure A 389 Containing Parts Suitable for High-Temperature Service Ductile Iron Castings A 536 Ferritic Ductile Iron for Pressure Retaining Castings for Use A 395 at Elevated Temperatures Ductile Iron for Pressure Containing Castings for Use at A 403 Elevated Temperatures
1.3 The FEP-lined flanged pipe and fitting assemblies are recommended for use from -20 to 300°F (-29 to 149°C). Use in specific aggressive environments may alter the above temperature range.Note 4-Successful use has been reported over a range from -20 to 400°F (-29 to 204°C).