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ASTM F645-15a
ASTM F645-15a Standard Guide for Selection, Design, and Installation of Thermoplastic Water- Pressure Piping Systems
standard by ASTM International, 05/15/2015
Full Description
1.1This 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.
1.2It 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.
1.3Units-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 1.3.4 to the extent applicable. Those pipe standards followed by (a) are outside diameter-controlled pipes. Those followed by (b) are inside diameter-controlled pipes.
1.3.1For poly(vinyl chloride) (PVC) plastic piping components:
| | ASTM |
| Poly(Vinyl Chloride) (PVC) Plastic Pipe, Schedules 40, 80 | D1785 |
| Poly(Vinyl Chloride) (PVC) Plastic Pipe (SDR-PR) (a) | D2241 |
| Threaded Poly(Vinyl Chloride) (PVC) Plastic Pipe Fittings, | D2464 |
| Poly(Vinyl Chloride) (PVC) Plastic Pipe Fittings, Schedule | D2466 |
| Socket-Type Poly(Vinyl Chloride) (PVC) Plastic Pipe | D2467 |
| Solvent Cements for Poly(Vinyl Chloride) (PVC) Plastic Pipe | D2564 |
| Bell-End Poly(Vinyl Chloride) (PVC) Pipe (a) | D2672 |
| Poly(Vinyl Chloride) (PVC) Plastic Tubing (a) | D2740 |
| Socket-Type Poly(Vinyl Chloride) (PVC) Plastic Line | D3036 |
| Joints for Plastic Pressure Pipes Using Flexible Elastomeric | D3139 |
| Elastomeric Seals (Gaskets) for Joining Plastic Pipe | F477 |
| PVC and ABS Injected Solvent Cemented Plastic Pipe | F545 |
1.3.2For Chlorinated Poly(Vinyl chloride) (CPVC) plastic piping components:
| Title of Specification | ASTM |
| Chlorinated Poly(Vinyl chloride) (CPVC) Plastic Pipe, Schedules 40 and 80 (a) | F441/F441M |
| Chlorinated Poly(Vinyl chloride) (CPVC) Plastic Pipe Fittings, Schedule 80 | F439 |
| Solvent Cements for Chlorinated Poly(Vinyl chloride) (CPVC) Plastic Pipe and Fittings | F493 |
1.3.3For polyethylene (PE) plastic piping components:
| | ASTM |
| Polyethylene (PE) Plastic Pipe, (SDR-PR) (b) | D2239 |
| Plastic Insert Fittings for Polyethylene (PE) Plastic Pipe | D2609 |
| Socket-Type Polyethylene Fittings for Outside Diameter- | D2683 |
| Polyethylene (PE) Plastic Tubing (a) | D2737 |
| Polyethylene (PE) Plastic Pipe (SDR-PR) Based on | D3035 |
| Butt Heat Fusion Polyethylene (PE) Plastic Fittings for | D3261 |
1.3.4For 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 |
1.3.5Pipes with wall thicknesses less than 1.50 mm (0.06 in.) are not recommended.
1.4Other Joining Devices-Joining 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.
1.5This 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.
