ASTM D1785 PVC Sch-80


Kawsar Pipe's ASTM 1785 Schedule 80 product line is manufactured to meet the needs of a broad range of industrial and commercial piping systems. With top quality raw materials and modern processing technology, North American Pipe's Schedule 80 pipe meets and exceeds all industry standards in addition to our own rigorous Quality Control standards. Our ASTM 1785 Schedule 80 product line is designed to withstand a broader range of temperature and pressure applications. Whether specifying or installing our pipe you can be assured that Kawsar Pipe will provide the pipe with

“Quality, Durability, and Reliability for Life time”

Product Specification

System PVC Schedule 80 Pressure Pipe and Fitting System

This specification cover PVC Schedule 80 pipe and fittings for pressure applications. This system is intended for pressure applications where the operating temperature will not exceed 140°F.


Pipe and fittings shall be manufactured from virgin rigid PVC (polyvinyl chloride) vinyl compounds with a Cell Class of 12454 as identified in ASTM D 1784.


PVC Schedule 80 pipe shall be iron Pipe Size (IPS) conforming to ASTM D 1785. PVC Schedule 80 fittings shall conform to ASTM D 2467. PVC Schedule 80 threaded fittings shall conform to ASTM D 2464. Pipe and fittings shall be manufactured as a system. Pipe and fittings shall conform to NSF International Standard 61 or the health effects portion of NSF Standard 14.

Installation shall comply with the latest installation instructions published by Kawsar Pipe and shall conform to all applicable plumbing, building, and fire code requirements. Buried pipe shall be installed in accordance with ASTM F 1668 and ATM D 2774. Solvent cement joints shall be made in a two-step process using IPS P-70 or 0atey Industrial Grade premiers and solvent cement conforming to ASTM D 2564. The system shall be protected from chemical agents, fire stopping materials, thread sealant, plasticized vinyl products, or other aggressive chemical agents not compatible with PVC compounds. Systems shall be hydrostatically tested after installation. WARNING!Never test with or transport/store compressed air or gas in PVC pipe or fittings.

Reference Standards  
ASTM D 1784 Rigid Vinyl Compounds
ASTM D 1785 PVC Plastic Pipe, Schedule 80
ASTM D 2464 or D 2467 PVC Threaded Fittings, Schedule 80
ASTM D 2467 PVC Socket Fittings, Schedule 80
ASTM D 2564 Solvent Cements for PVC Pipe and Fittings
ASTM D 2774 Underground Installation of Thermoplastic Pressure Piping
ASTM F 1668 Procedures for Buried Plastic Pipe

Note: Latest revision of each standard applies.


*Meets All Requirements of ASTM D1784, ASTM D1785

ASTM D 1785-84

Maximum sustain and Burst Pressure Test Conditions for water at 23 C for PVC Pipe

ASTM D2665-04A

Minimum Hydrostatic Burst Pressure at 73°F (23°)

Temprature De-Rating for Sch-40 & 80 PVC

The operator Pressure of PVC pipe will be reduced as the operating temprature increases above 73°F. To calculate this reduction, multiply the operating pressures pages by the correction factors shown below.

The burst pressure are calculated using a hoop stress of 6400 psi (44.1MPA)  


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