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ASTM F645-11

ASTM F645-11

Standard Guide for Selection, Design, and Installation of Thermoplastic Water- Pressure Piping Systems

2012-05-25 /Historical
Superseeded by:
Significance and Use:

The requirements of this specification are intended to provide information to select, design and install thermoplastic, water-pressure piping systems for use outside buildings. Materials covered in this specification are Poly(Vinyl Chloride) (PVC) and Polyethylene (PE) plastic pipe fittings.


1.1 This guide is intended for use in the selection, design, and installation of thermoplastic water systems for use outside buildings. For specific projects, a thorough review of this guide is recommended for the purpose of selecting specific materials, methods of joining, system design factor, and any special procedures deemed necessary to assure a satisfactory system.

1.2 It is recommended that governing codes and project specifications be consulted prior to the use of this guide. Nothing in this guide should be construed as recommending practices or systems at variance with governing codes and project specifications.

1.3 Units-The values stated in either SI units or inch-pound units are to be regarded separately as standard. 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. The pipe, fittings, and joining materials shall meet the requirements of one or more of the following component product standards listed in 1.3.1 through 1.3.3 to the extent applicable. Those pipe standards followed by (a) are outside diameter-controlled pipes. Those followed by (b) are inside diameter-controlled pipes.

1.3.1 For poly(vinyl chloride) (PVC) plastic piping components:

Title of Specification
Poly(Vinyl Chloride) (PVC) Plastic Pipe, Schedules 40, 80
and 120 (a)
Poly(Vinyl Chloride) (PVC) Plastic Pipe (SDR-PR) (a)
Threaded Poly(Vinyl Chloride) (PVC) Plastic Pipe Fittings,
Schedule 80
Poly(Vinyl Chloride) (PVC) Plastic Pipe Fittings, Schedule
Socket-Type Poly(Vinyl Chloride) (PVC) Plastic Pipe
Fittings, Schedule 80
Solvent Cements for Poly(Vinyl Chloride) (PVC) Plastic Pipe
and Fittings
Bell-End Poly(Vinyl Chloride) (PVC) Pipe (a) D2672
Poly(Vinyl Chloride) (PVC) Plastic Tubing (a)
Socket-Type Poly(Vinyl Chloride) (PVC) Plastic Line
Joints for Plastic Pressure Pipes Using Flexible Elastomeric
Elastomeric Seals (Gaskets) for Joining Plastic Pipe F477
PVC and ABS Injected Solvent Cemented Plastic Pipe

1.3.2 For polyethylene (PE) plastic piping components:

Title of Specification
Polyethylene (PE) Plastic Pipe, (SDR-PR) (b)
Plastic Insert Fittings for Polyethylene (PE) Plastic Pipe D2609
Socket-Type Polyethylene Fittings for Outside Diameter-
Controlled Polyethylene Pipe ( a)
Polyethylene (PE) Plastic Tubing (a)
Polyethylene (PE) Plastic Pipe (SDR-PR) Based on
Controlled Outside Diameter (a)
Butt Heat Fusion Polyethylene (PE) Plastic Fittings for
Polyethylene (PE) Plastic Pipe and Tubing

1.3.3 For poly(vinyl chloride) (PVC) and polyethylene (PE) Plastic Piping Components Issued By the American Water Works Association:

C900 Poly(Vinyl Chloride) (PVC) Pressure Pipe,
4-inch through 12-inch, for Water (a)
C901 Polyethylene (PE) Pressure Pipe, Tubing
and Fittings, 1/2-inch through 3-inch, for Water

1.3.4 Pipes with wall thicknesses less than 1.50 mm (0.06 in.) are not recommended.

1.4 Other Joining DevicesJoining devices other than those covered by the listed standards may be selected by the user on the basis of his own engineering evaluation and service experience.

1.5 This standard does not purport to address all of the safety problems, 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.

design; disinfecting; field repair; inspection; installation; joints; pressure piping; service line; testing; thermoplastic; water: Piping systems; Poly(vinyl chloride)(PVC) pipe; Thermoplastic pipe/tube/fittings; Underground installation--water supply/distribution systems
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