What pipe should I use for sprinkler system?

Many types of piping are available for irrigation systems, but PVC Schedule 40, Pressure-rated PVC, and black roll pipe are suitable for this use. Drain, waste and vent (DWV) PVC is not suitable due to a low pressure rating. Other piping types are either too expensive or too difficult to work with in the landscape.

What size is my sprinkler pipe?





First, find a piece of string. Now, wrap the string around the pipe and mark the point where the string crosses. The length between the marks gives you the pipe size.

How do you know where sprinkler lines are?

How to Find Sprinkler Lines

  1. Mark the Heads. Your sprinkler heads have to stick out of the ground or they won’t work. …
  2. Trace From the Valves. The sprinkler heads are not the only important part of mapping out the lines. …
  3. Probing. After we have traced the lines to a place that needs work, we’ll probe for components. …
  4. Digging.

What color is sprinkler pipe?

Regardless of size and occupancy type, every building in New York City must paint all exposed standpipes and sprinkler piping red.

How do I know what size PVC pipe I have?





If you purchased your PVC pipe from a hardware store, you can use the markings on the side of the pipe to tell you what size you have. It will normally indicate the size in decimal or fraction, close to where the manufacturer’s name is, such as ‘1.25’ (for 1-1/4″) or “3/4” (for 3/4″… obviously).

What size PVC pipe is used for irrigation?

When it comes to selecting PVC irrigation pipe, both Schedule 40 and Schedule 80 pipe are common types of irrigation PVC pipes. They handle pressure roughly the same, so you won’t have to worry about more frequent breaks if you opt for Schedule 40.

How do you find the diameter of a pipe?

How to Check the Diameter of a Metal Pipe

  1. Direct Diameter measurement is the easiest. Measure at the end of the pipe. …
  2. Direct Diameter measurement with a caliper (useful if the end is not accessible) 1 1/2″ pipe.
  3. Measure circumference using a flexible tape and divide the outside circumference by 3.1415.

How deep are sprinkler lines buried?



In most areas, burying the pipes 8 to 12 inches below the surface is adequate. This measurement is from the top of the pipe to the surface of the soil, which means your trenches must be slightly deeper to accommodate the pipes.

How deep are underground sprinkler lines?

Typical trench depths range from 6 to 12 inches. To run pipe under existing walkways you can “drill” using water pressure.

Do sprinkler pipes have to be red?

Color Coding
Exposed standpipes and sprinkler risers must be painted red; this color-coding must be certified (BC 903.6). All buildings must comply. Branch piping does not require color-coded painting.

What is the color code for sprinkler heads?



The Basics of Sprinkler Thermal Characteristics

Max Ceiling Temperature oF (oC) Temperature Rating oF (oC) Color Code
300 (149) 325-375 (163-191) Red
375 (191) 400-475 (204-246) Green
475 (246) 500-575 (260-302) Orange
625 (329) 650 (343 Orange

What color is a common wire for sprinkler?

white

The common wire is usually white in color and runs from your controller to your master cylinder and then to each of the other valves on your irrigation system in turn. If something happens to cut your common wire, then every valve after the cut will fail to turn on when activated.

Is PVC pipe measured from the inside or outside?

PVC Pipe sizes are so named by the measurement of the inside diameter (also called the bore) of the PVC pipe, and not the outside diameter. If you measure the outside diameter it will give you a larger reading than the actual PVC Pipe Size.

How do I know if I have PVC or CPVC?



Color can be a clue, too. Often CTS CPVC is a light yellowish color, while schedule 80 CPVC (NPS) is a light gray color. PVC pipe and fittings usually comes in white or dark gray. Always check the manufacturer printing on the pipe to be sure.

What is the outside diameter of PVC pipe?

Schedule 40 PVC Pipe Dimensions Chart

Nominal Pipe Size O.D. Average I.D.
1″ 1.315 1.029
1-1/4″ 1.660 1.360
1-1/2″ 1.900 1.590
2″ 2.375 2.047

What is the outside diameter of 1 1 4 PVC pipe?

1.660 inch

1-1/4 Inch diameter Clear 40 PVC pipe (Schedule 40), Cut to Length. PVC pipe is measured by the nominal inside-diameter (ID), not the outside-diameter (OD). Pipe has an approximate ID of 1.360 inch and an approximate OD of 1.660 inch, per PVC Schedule 40 Specifications.

What is the outside diameter of 1/2 inch PVC pipe?



0.840

PVC and CPVC Pipes – Schedule 40
Nominal Pipe Size (inches) Outside Diameter (inches) Minimum Wall Thickness (inches)
1/2 0.840 0.109
3/4 1.050 0.113
1 1.315 0.133

What is the outside diameter of 3/4 PVC pipe?

PVC Schedule 80 Sizes Table

Pipe Size Decimal OD Average ID
3/4” 1.050″ 0.742″
1″ 1.315″ 0.957″
1-1/4” 1.660″ 1.278″
1-1/2” 1.900″ 1.500″

Is pipe size ID or OD?

OD and Nominal Pipe Size
Tubing is measured by the OUTSIDE DIAMETER (O.D.), specified in inches (e.g., 1.250) or fraction of an inch (eg. 1-1/4″). Pipe is usually measured by NOMINAL PIPE SIZE (NPS). Although it is related to the outside diameter, it is significantly different.

What pipe has a 3/4 inch ID?

3/4 Inch diameter Clear 40 PVC pipe (Schedule 40), Cut to Length. PVC pipe is measured by the nominal inside-diameter (ID), not the outside-diameter (OD).