Can you use PEX in commercial buildings?
PEX pipes. Cross-linked polyethylene (PEX) offers a unique benefit when used in commercial buildings. It is highly tolerant of heat and cold, and can, therefore, be used for different types of water supply applications.
What is the maximum spacing of hangers used to support PEX tubing?
Maximum hanger spacing is 6′ for ½” and ¾” pipe and 8′ for 1″ and larger full-length pipe segments with PEX-a Pipe Support (per dimension B in Table 1).
Does PEX pipe need to be anchored?
Long runs of PEX pipe have to be supported with proper hangers. It is generally recommended to fasten the tubing at every 32 inches when running it alongside a joist and at least every 6 feet if the tubing is supported by beams and running across them.
Is PEX banned in NYC?
YORK – After a long informational session, many public discussions and three ordinance readings, the York City Council agreed unanimously that PEX plumbing material can now be allowed in properties inside city limits. PEX may be used in residential, commercial or industrial applications as specified.
Is PEX used in new construction?
Today, PEX is used in more than 60 percent of new construction residential water supply systems.
How often does PEX have to be supported?
every 32 inches
Make sure that PEX is adequately supported Horizontal runs of PEX must be supported every 32 inches if hanging, or every 72 inches if installed above beams. For vertical runs, PEX must be supported at least once per floor, and also keep in mind that joints add weight and require dedicated support as well.
Does PEX piping expand and contract?
PEX pipe expands and contracts at a rate of 1.1 in. per 100 ft. per 10° F Delta-T. Utilizing pipe supports with PEX for suspended-piping applications in conjunction with fixed anchor points can reduce this expansion and contraction rate to a more than acceptable level.
Are sharkbite fittings legal in NYC?
In NY sharkbite fittings are illegal to use and I don’t recommend using them at all.
Is PEX legal in NY State?
All other buildings must use copper, cast-iron, wrought iron, galvanized steel, or other approved piping materials. CPVC, PEX and PEX-AL-PEX also can be used in the water distribution piping for single- and two-family homes.
How big of a hanger do I need for PEX-a pipe support?
involves Uponor PEX pipe from a coil with PEX-a Pipe Support and no fittings. Maximum hanger spacing is 6′ for ½” and ¾” pipe and 8′ for 1″ and larger pipe (per dimension in Table 1).
What kind of hangers are used for PVC pipe?
Types of pipe hangers and support clamps Clevis Hangers – used to support horizontal pipe runs most commonly near the ceiling. They allow for lateral movement and some degree of adjustment, which makes them a #1 choice for supporting cast iron, PVC or ABS drainage pipes, where sloping the pipe is important.
What does PEX stand for in plumbing category?
Over the past decade, PEX — an acronym for crosslinked polyethylene — has become the most-installed plumbing pipe for new (and re-piping) residential applications compared with copper and CPVC combined. So it’s no surprise PEX is now expanding into the commercial market as well.
How big should PEX be in a return air plenum?
A return-air plenum is an un-ducted ceiling space used for air circulation. It is important to have PEX-a Pipe Support segments no less than 48 inches long in a return-air plenum, and the space should not have more than 18 inches of bare PEX or fittings. This also applies to PEX-a Pipe Supports installed in the vertical position.