This system is intended for pressure applications where the operating temperature will not exceed 140 f.
Pvc fittings pressure rating.
While these fittings are used in pressure systems strictly.
Astm d2467 04e1 standard specification for poly vinyl chloride pvc plastic pipe fittings schedule 80.
The pressure rating is printed on plumbing pvc pipe.
Polyvinyl chloride pvc schedule 40 pressure fittings are used for potable water chilled water irrigation golf course construction and pool spa applications.
Australian standards for pvc pressure pipes cover composition dimensions performance and marking requirements for pipes fittings and joints.
Pressure 73 f pressure 73 f pressure rating for pvc schedule 80 unions one of the more complex questions in the plastic pipe and fittings industry is associated with the pressure rating of fit tings used in pvc schedule 40 and pvc schedule 80 systems.
As the temperature of the pvc increases the pressure that the pvc can withstand will decrease.
Pvc schedule 40 pressure fittings.
1 psi lb in2 6 894 8 pa n m2 1 inch 25 4 mm.
To determine elevated temperature rating multiply 73 f 23 c pressure rating by appropriate factor shown in the tables.
Schedule 40 and schedule 80 pvc pipe and fittings have identical od outer diameters and can be used interchangeably if needed.
The specifi ed derating factors for pvc or for cpvc are suit able for pipe conveying water at elevated temperatures.
The pressure ratings given are for water non shock 73 f.
The maximum operating pressures derates with temperature.
For pvc fitting schedule 40 and pvc fittings schedule 80 the optimal temperature at which pvc can operate at the highest psi would be 73 degrees fahrenheit.
Pvc is one of the thermoplastic materials most frequently specified for a variety of products used in the pipe and fittings industry.
Pvc schedule 40 pipe fittings.
Pvc pressure pipe standards.
Australian standards generally cover more than one size range with different outside diameters.
The chart below will illustrate the pressure derating of pvc as temperatures increase.
Wall thickness another difference that you ll find between pvc pipe and pvc conduit is in the thickness of the wall of the pipe.
Be aware that schedule 40 pvc pipe does have a lower pressure rating therefore using schedule 40 parts on a primarily schedule 80 pipe system is not recommended.
Pvc conduit isn t approved to use in plumbing applications because it isn t pressure tested making the chances of leaking higher.
Specification for poly vinyl chloride pvc plastic pipe schedule 40 80 and 120 scope.