How do I choose PVC pipe?

Schedule 80 & Schedule 40 Fitting Use

1. 1.) Handling Water Pressure. When it comes to Schedule 40 or 80 PVC, both are used throughout the world.
2. 2.) Diameter & Sizing. Sch 40 fittings and Sch 80 fittings carry the same outside diameter.
3. 3.) Fitting Colors.
4. 4.) Application.

Which class PVC pipe is best?

This pipe is best suited for drainage, irrigation, and other cold water systems. Schedule 40 PVC pipe is strong, rigid, and can handle pressure applications. For jobs that require a higher pressurization though, schedule 80 pipe is better suited.

What size PVC pipe should I use?

As you might expect, it comes in different sizes. The most common sizes you’d use around your home would be 1½-, 2wo-, three- and four-inch. The 1½-inch size is used to capture water that might flow out of a kitchen sink, a bathroom vanity or a tub.

What does class mean in piping?

Piping class or Pipe Class is a document that specifies the type of the components such as a type of pipe, schedule, material, flange ratings, branch types, valve types and valve trim material, gasket, and all the other components specific requirements to be used for different fluids under different operating …

What is class rating in piping?

The term “flange rating” (or class) refers to the maximum pressure (in psi or bars) that a flange withstands at increasing temperatures. Flanges with a higher rating (class) are stronger than flanges with lower ratings, as they bear more pressure at increasing temperatures.

What size pipe should I use to plumb my house?

In most cases, the main pipeline from the street to your home is either 3/4 or 1 inch in diameter, supply branches use 3/4-inch-diameter pipe, and pipes for individual components are 1/2 inch. Remember that water pressure decreases by a half-pound per square inch for every foot pipes extend above your water supply.