What are the different grades of PVC pipe?

What are the different grades of PVC pipe?

There are two common types of PVC pipe – schedule 40 PVC and schedule 80 PVC. Schedule 40 PVC is usually white in color and schedule 80 is usually a dark gray (they can also be found in other colors). Their most important difference, though, is in their design. Schedule 80 pipe is designed with a thicker wall.

Which class PVC pipe is best?

Pipes made of PVC-O are especially advantageous when it comes to hydraulic capacity, ductility, crack propagation and impact and fatigue resistance. This means that PVC-O is an excellent choice for pressure pipes for drinking water.

What are the four categories of PVC pipe?

There are four types of PVC pipes which are commonly used, unplasticised PVC (PVC-U), modified PVC (PVC-M), chlorinated PVC (PVC-C) and molecular oriented PVC (PVC-O). PVC-U pipes and fittings are used in the transportation of drinking water, soil and waste, sewage, underground drainage and industrial applications.

How can you tell the quality of PVC pipe?

Testing methods : Strength and resistance

1. Creep rupture strength – Internal pressure test. Constant internal pressure at constant temperature.
2. Stress crack resistance – Pipe notch test. Slow crack growth testing.
3. Resistance to Rapid Crack Propagation – S4 Test.
4. Creep rupture strength – Internal pressure test.

How do you determine the quality of a pipe?

The Various Methods Of Steel Pipe Quality Testing

1. Hydrostatic Testing. One of the most common methods for testing pipe is hydrostatic testing.
2. Ultrasonic Testing.
3. Magnetic Particle Inspection.
4. Charpy Impact Test.
5. Positive Material Identification Test.

What is class 315 PVC pipe?

Class number for PVC pipe denotes its pressure rating; examples are Class 315, Class 200, Class 160, Class 125, etc. This “pressure class” distinction tells you that the pipe is designed to withstand normal pressures of 315 psi, 200 psi, 160 psi, 125 psi, etc.