What piping material is suitable for fire sprinkler systems?

What piping material is suitable for fire sprinkler systems?

Steel pipe
Steel pipe has long been the mainstay of piping materials for sprinkler piping systems. Steel is considered strong, durable and resistant to fire. With a melting point of about 2,700°F, steel pipe can withstand the heat within a burning building.

Can I use galvanized pipe for sprinkler?

Never use galvanized steel piping for wet pipe fire sprinkler systems. If galvanized steel piping is used for dry and preaction systems, then an FM Approved nitrogen generator must be used for pressure maintenance to prevent oxygen corrosion.

What are fire sprinkler pipes made of?

Fire sprinkler pipe and related fittings are generally made of carbon steel or ductile iron material and used to carry water or other liquid to connect firefighting equipment. It is also called fire protection pipe and fittings.

Does NFPA 13 allow CPVC?

NFPA 13 allows the use of other types of nonmetallic pipe or tube (differing from those identified in Table 7.3. 1.1) to be investigated for suitability in automatic sprinkler installations and listed for this service. This includes CPVC, or other materials, when installed in accordance with their listing limitations.

What size pipe is used for sprinklers?

When you install a sprinkler system, you might use PVC or polyethylene piping to deliver water to the sprinkler heads. If you use PVC, the typical diameter of the pipes is between 1/2 inch and 2 inches.

Can I use poly pipe for sprinkler system?

Poly is short for high-density polyethylene, or HDPE. This pipe is also used in irrigation systems, and other piping & conduit applications. Poly has the benefit of being more flexible while still maintaining a high level of strength sufficient for most residential irrigation system.

Which pipe is best for sprinkler system?

Polyethylene is the best bet for special situations in areas where sprinkler and irrigation systems require flexibility. Both types of pipe are durable and can withstand many elements in the environments where they excel.

Can PVC pipe be used for fire sprinkler system?

Certain CPVC plastic pipe and fitting systems listed to system standard UL 1821 can be used to supply water to fire sprinklers for low-rise residential occupancies according to installation standard NFPA 13R and to supply light hazard occupancies according to NFPA 13.

Can fire sprinkler pipe be exposed?

(1) In rooms 400 ft2 (37 m2 or less, piping shall be permitted to be installed either exposed in accordance with its listing (on how it is installed, not where) or installed concealed behind a minimum of one layer of 3/8-in.

Can anything be touching sprinkler pipe?

“The Joint Commission and CMS have zero tolerance that prohibits anything being supported by the sprinkler piping system, including incidental contact,” the commission notes.

How do I know what size irrigation pipe I need?

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.

Is poly pipe the same as PVC pipe?

Poly has the benefit of being more flexible while still maintaining a high level of strength sufficient for most residential irrigation system. While not as strong as PVC, it is still capable of working within 200-300 psi (again, plenty for most homes). In addition, it is flexible and lighter in weight.