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Use of PVC pipes in electrical lines and water lines is an example of

Polyvinyl chloride (PVC) is a combination of plastic and vinyl that is used to make PVC pipes. These popular types of pipes are commonly used in plumbing as an alternative to more expensive copper piping. PVC is also used to produce electrical conduit PVC threading pipe is one kind of PVC color electrical pipe and fittings,it has many colors. The threading pipe is called insulated electrical sleeve for construction. Popularly speaking, it is a kind of white rigid PVC pipe, which is used for anti-corrosion, anti-leakage and wire-piercing Historically, PVC was one of the first forms of plastic used instead of copper for water supply pipes. PVC is normally used for cold water pipes only, as heat can eventually break down the plastic. Always check with local code restrictions before using PVC pipes for hot water delivery lines Yes, technically, PVC pipe can be used as a conduit. In fact, grey PVC pipe is manufactured precisely for this purpose. You could use PVC made for water since it's basically the same thing but with a different gauge (thickness). It might not pass an electrical inspection but would work PVC Pipe. When it comes to residential water lines, PVC is the most common type used. Not only is this type affordable but it also offers a large variety of sizes and fittings. Due to its polyvinyl material, this type of pipe will not rust or corrode and it should not ever need to be replaced. This durable material can be relied upon for high.

The cabin is almost done and in preparation for water, I dug up the existing water line today near the horrible shutoff which I was going to replace anyways. It is gray PVC with flanged ends. It is 1.90 OD (1 1/2 PVC) and ~.15 wall thickness which means schedule 40. I cut out about a 2' piece out of the ground and the writing is worn away and. PVC Pipe . PVC, or polyvinyl chloride, pipe is a drain or vent line type of plumbing pipe. PVC initially gained popularity because it was lighter and easier to work with than traditional galvanized steel pipe. PVC pipe is moderately easy to install and requires little more than a hacksaw and a miter box to cut. PVC glues together with solvents But PVC can be used inside the home as drain pipe (also called DWV for drain-waste-vent, which is only under atmospheric pressure), draining the condensate water created by an air conditioning air handler, dryer exhaust venting, and as a flue vent for high-efficiency gas furnaces Read our post to learn more about CPVC and PVC pipes uses in hot water applications. There are many cases in which paying a higher price for CPVC doesn't offer any additional benefits. For example, PVC is often recommended for cold water systems, vent systems, drainage systems, and irrigation systems PVC Pipe Uses Approved PVC pipe uses depend on the application and local building codes. While both PVC and CPVC are suitable for water, gas, and drainage systems, many plumbers strongly recommend CPVC for hot water lines and PVC for cold water lines

The Difference Between Plumbing PVC and Electrical Conduit PV

  1. It is approved for use with industrial pipe application, irrigation, sewer, drain, waste and vent systems, and potable water systems. General Purpose is a clear or gray, heavy bodied, medium setting, high strength PVC solvent cement for all classes and schedules of pipe and fittings up to 12 diameter including schedule 80
  2. Plumbing - waste drain; Plumbing - water lines; Grey water or recycled water lines; Gas lines; Electrical conduit; Slip lining for rehabilitation purposes; As you can see, due to the wide range of applications, there would be many different types of PVC pipe and tubing engineered for the individual application's need
  3. Electrical PVC is not intended to be exposed to high pressure, as in water lines, and is not rated for use with high-pressure air. Conversely, plumbing PVC should not be used for electrical conduit applications as it does not handle ultraviolet radiation well, and is of reduced rigidity
  4. Electrical PVC Pipes Electrical PVC pipes are lines of solid tubing used to contain and protect electrical wiring or cables in power systems. Underground PVC conduit allows power lines to be buried, rather than above ground, saving on maintenance. Above ground electrical conduit is also available
  5. Never-the-less, these early PVC pipes were deemed suitable for drinking water supply piping and waste water piping because of their chemical resistance, lack of taste or odor and smooth interior surface. From 1936 to 1939 over 400 residences were installed with PVC drinking water and waste pipelines in central Germany
  6. Cast-iron Plumbing Pipes. Because these are the heaviest of all plumbing pipes, their usage is restricted. Where they are viable, though, they are common. This generally entails water distribution systems in commercial settings, as well as sewer lines. On top of the weight, cast-iron piping is specifically designed to handle heavy pressure as.
  7. There are several reasons for this. Firstly pvc is much lighter, stronger and can be made in much longer lengths. If pvc is compressed it simply distorts slightly and if the compression relaxes it will go back to its original shape. Metal once com..

Where and how can PVC electrical conduit be used? Pvc

Materials Used in Water Supply Pipes - The Spruc

  1. TerraBrute® Pipe - CIOD pipe modified for use with trenchless installation methods such as directional drilling or pipe bursting Q-Line ® Water Service Tubing - 3/4 and 1 composite pipe designed for use as a water service to connect houses to main lines
  2. PVC for drain lines is great - It doesn't corrode and is cheap to install. But again, they are noisy and a cast iron main for the second floor is a nice upgrade if the drain lines go through a living area ceiling or wall. Don't use PVC / CPVC for supply lines - they are crap
  3. Black tubing is ABS. ABS is used for waste lines and not potable water supply lines. PEX is best and easiest to use for potable water supply lines. Copper is best to use for exposed solar lines because the metal will absorb the solar heat quickly and efficiently, but can be costly. Here's a link on PEX used for solar tubing..
  4. The most popular reason for using PVC pipe in underground plumbing is that it is flexible, lightweight and easy to handle. Unlike some other pipes, PVC does not rust, scale, pit or corrode. It is good for most warm and cold water applications. Plus, PVC works well for high water pressure
  5. PVC pipes can get as hot as 140°F (60°C) and still function. The hottest known day on record in the USA is 134°F (56°C). Therefore, they won't melt and fail even on the hottest day. However, PVC pipes should ideally not operate near the end of their temperature range all the time. Therefore, PVC pipes are not recommended to be used for.
  6. Chapter 26 General Plumbing Requirements. This section has been amended at the state or city level. User note: Code change proposals to this chapter will be considered by the IRC — Plumbing and Mechanical Code Development Committee during the 2015 (Group A) Code Development Cycle. The text of this chapter is extracted from the 2018 edition of.

Electrical PVC is not intended to be exposed to high pressure, as in water lines, and is not rated for use with high-pressure air. Plumbing PVC, on the other handle, is typically rated to a high pounds-per-square-inch pressure level, indicated on the side of the pipe Slide the PVC pipe over your fence posts to hold up the wire. The image above shows how to create temporary cattle gates in your single-wire electric fence lines. It's incredibly simple, thanks to swivel-lock electric fence insulators and a couple of 6 to 8 ft lengths of scrap PVC pipe with pipe diameters slightly larger than your thickest posts PVC pipe be used for electrical conduit:- 3/4 white pvc is designed strictly for fluid use. EPVC (electrical plastic pipe) has a different OD (outer diameter). Most white pvc is sunlight resistant anyways, it usually says that right on it. And yo.. Polyvinyl chloride (PVC) pipe is made from a plastic and vinyl combination material. The pipes are durable, hard to damage, and long lasting. They do not rust, rot, or wear over time. For that reason, PVC piping is most commonly used in water systems, underground wiring, and sewer lines. PVC was first developed in 1925 when a BF Goodrich.

Its size depends on the size of the pipe. The side outlet is usually referred to as the 'top,' and the straight-through part of the fitting is the 'run.'. If the tee's run is smaller than the top, this is called a 'bull head' connector. Tees come in PVC, ABS, CPVC, brass, steel, and copper Above ground PVC/CPVC pipe installation information. Thermal expansion must be designed and installed to compensate for movement as a result of thermal expansion and contraction. This is particularly true for above ground applications installed outdoors and within unoccupied buildings where ambient temperature swings can be significant In addition, PVC can be heated up and then bent to make sweeping bends and corners if desired. You can also connect PVC and ABS pipes together, as long as you make sure to use special glue called transition glue. Another trick we've discovered is that Schedule 40 PVC pipe from the electrical section will also work great in a pond. The. PVC is a type of plastic plumbing pipe primarily used to transport high pressured water. It is available in several standard sizes, ranging from ½ inch to 4 inches in diameter. PVC pipe is only made to handle cold water, as hot water will cause the pipe to warp. It is generally white in color, though a few varieties are gray It has been my habit to use Christy's Red Hot Blue Glue to mend PVC pipe. I am happy with the performance and the repairs turn out very well. I also note, with great interest, that it is rated for potable water pipes (NSF pw-G-dwv-sw). Recently, I constructed a long water conduit with schedule 40 potable water PVC pipe (NSF-61)

I would like to run a cold water line underground, from my house to my barn which is 70 feet away. Can I use PVC schedule 80 or do I use CPVC. The line will supply only cold water & I will be using a 3/4 pipe. Which is the better choice. Also I'm here in S. Carolina For example, use 1-inch rigid insulation. It's equal to roughly one foot of regular soil depth. So if your frost line is 5-feet below grade, install the 1-inch thick insulation at the 4-foot mark. Now, a segment of your conduit will eventually need to rise above grade. And this conduit segment will be prone to damage

Your goal is at least 1″ of water a week for your lawn. When it's hot and dry, double the water times while still trying to water just 2 or 3 days a week. What size pipe is used for irrigation? If you choose to use PVC pipe for your irrigation laterals, make sure to use pipe that is at least 3/4″ thick. 1/2″ inch laterals clog very easily PVC tees are a fitting with three ends; two in a straight line and one on the side at a 90-degree angle. Tees allow a line to be split into two separate lines with a 90-degree connection. Also, tees can connect two lines into one main line. They are also often used for PVC structures So, the fast & simple answer to why PVC pipe is not acceptable for interior water distribution is: PVC pipe is not rated for Hot Water & a code inspector is unable to quickly or easily distinguish if a distribution line is a hot or cold water line. The additional information about how plumbing is tested is great to know about, Thanks PVC pipe fittings are used for attaching PVC pipes together. Fortunately, there are many different types of PVC pipe fittings so that you can run pipe in pretty much any configuration. Below is our extensive PVC pipe fittings guide with a series of diagrams and dimension charts. 3-Way PVC Corner Fittin

Water service pipe shall be installed not less than 12 inches (305 mm) deep and not less than 6 inches (152 mm) below the frost line. P2603.5.1 Sewer Depth A building sewer that connects to a private disposal system shall be a minimum of 8 inches (203 mm) to the top of the pipe below finished grade at the point of septic tank connection Another example of a rigid electrical conduit is EMT (electrical metal tubing), which is most commonly made of galvanized steel but can also be aluminum. EMT is also called thin-wall conduit because it is thin and lightweight, especially compared to RMC. EMT is rigid but can be bent with a simple tool called a conduit bender

Dig an 18-inch deep trench for the outdoor electrical wire, which you will run from the main panel box to the garage sub panel. Use 1 1/4-inch PVC conduit for a 100-amp sub panel or 1-inch PVC conduit if the sub panel is 50 amps or less. Run the conduit from the garage to the main panel box Pipe Extrusion DRTS offers turnkey production lines for PE, PPR, and PVC pipes ranging from 16mm - 630mm diameter (PPR up to 160mm). Our flexible approach allows our customers to have unique and custom solutions tailored to their needs. Our extruders, like all our equipments are crafted with top brand components to ensure production stability, efficiency and machine durability Above ground, you transition to GRC. To point out, typically, you want the transitional portion of the conduit from underground to aboveground (e.g. the 90s and riser pipes) to be PVC-coated rigid. After this transition segment, you can just use GRC to your electrical box. Repl re: ABS or PVC piping in RVs/TTs. ABS black pipe is common piping. Changing to PVC (which is different than factory) may turn a few buyers away. But for the buyer who is experienced in piping, either material doesn't matter. And yes, one can legally glue black ABS to PVC white using the proper glue. Its called ABS to PVC transition glue a. No. Connection to cold water line as described is in violation of section 250.52(A)(1), the connection must be made within 5 feet from the point of entrance of the metal underground water pipe. Please note that NYC Electrical Code has deleted the exception under subsection 250.52(A)(1). b

When I pulled out the old one, I noticed the pipe coming out of the ground looked like PVC, but was yellowish in color. The plastic pipe transitioned to the usual corrugated looking flexible line with the flared end that is used for example in water heaters However, PEX can handle hot water just fine and, more than that, it also has some ability to retain heat. This fact can help with heating costs if you use a lot of hot water. On the other side of the spectrum, PEX rarely bursts even when the water in the pipes freezes. PEX vs. PVC: Cost. Whatever you need a pipe for, either PEX or PVC is almost. PVC, or polyvinyl chloride, piping accounts for over 85% of thermoplastic piping today. Known for its strength and rigidity, it's made even stronger with the use of cement solvents to fuse the pipes together, creating permanent joints and decreasing leakage. These pipes are also lightweight and relatively inexpensive to use Older homes use iron pipes, which are more brittle and tend to rust. Newer homes use PVC piping which is more resilient. But, all sewer lines are subject to corrosion as they are exposed to the elements and are moving thousands of gallons of water a year

While PVC has replaced much of copper use due to PVC's lower cost, copper is still an excellent pipe for potable water. How much does copper pipe cost? You can buy a 2′ pipe with 1″ diameter for $13.44 at Homedepot.com. Compare that with PVC - a 1″ diameter, 10 foot long PVC pipe at Homedepot.com costs $7.95 The updated Pipe Data tool works by comparing one class of pipe in your project with the previous class - for example, Class 2 in comparison with Class 1 (or Class 3 with Class 2, etc.). The system will check whether: The two classes are assigned compatible pipe types, including: Compatible materials (i.e., both are plastic or metal, so they can be connected upon installation)

A galvanized pipe consists of a common steel pipe which is coated by a thin layer of another metal such as zinc to prevent rusting. Thus, for nearly all outdoor uses a galvanized pipe is usually preferred to other plastic pipes such as PVC or ABS pipes. However, even galvanized pipes have their own advantages and disadvantages which you should consider before using them Polyethylene (PE) and polyvinyl chloride (PVC) are only suitable for waste, underground water service pipes or cold water piping systems. Our photographs of plastic water supply piping connections just below show a new water main (below left) and building supply pipe being connected to copper piping entering a building (below right) in San. PVC (Polyvinyl Chloride) is another plastic option for service lines. Usually found as part of a DWV or irrigation system, PVC is approved for underground use, but not indoor distribution. It is a perfectly viable alternative to copper or PE, and is often the least expensive option

Can a PVC pipe be used for electrical conduit? - Quor

5. Work in sections. For example, when building a chair I assemble the left side first then the right side. Finally, I secure the connecting lengths of pipe to both sides. 6. If, when making a PVC chair, you use sling material for the back and seat, be careful not to glue one side of the project until after you've attached the material to the. A. The difference between CPVC and PVC is the temperature rating. PVC is only rated for up to 140 degrees F. CPVC is rated for up to 180 degrees Fahrenheit. All plastic pipe will degrade in sunlight unless it has Ultra Violet Light inhibitors. PVC Electrical Conduit is gray because of the UV inhibitors To determine the size you need, first measure the outer diameter of the PVC pipe. Wrap your measuring tape around the pipe and record the circumference. Divide this figure by 3.14. For example, if. Here's The Essentials. There's nothing quite like a boat for testing an electrical circuit to its limits! At the best of times the cables and terminals must put up with a combination of the omnipresent salt atmosphere and vibration (the United States Coast Guard requires fuel tanks to be tested at up to 25 G's); at the worst of times these cables may be totally submerged in bilge water, or.

Types of Piping for Residential Water Line

In general, most of the problems with sluggish drains, especially in older homes, is caused by damaged drain lines. Most houses built since the 1980s use PVC drain lines. Many older houses were connected to the sewer with Orangeburg pipe. PVC drain lines can be damaged with a shovel while digging holes for plantings, fences, or other excavations In fact, if we take our 2 PVC pipe as an example, all standard 2 PVC pipe has an internal diameter of greater than 2, which means that all flow calculations err on the side of safety. The exception to this is very thick-walled pipe, such as Schedule 120 PVC pipe, which is designed for very high-pressure applications and in particular threading installation methods for sprinkler heads, pipe and valve manifolds, and how to connect the sprinkler main line into the house water system. Installation tips have also been placed throughout the guide to assist you in planning a system. While developing the flow, working pressure, and pipe sizing charts, we considered reasonable friction los Most residential drip irrigation designs use some combination of PVC pipe, 1/2 poly tubing and 1/4 emitter drip line tubing (sometimes called spaghetti tubing). A mainline is usually 3/4 SCH 40 PVC or 1/2 poly tubing that go from a control valve to or through the yard, gardens or plant beds It is too soft. Hard surfaces (rocks) rub holes in it and where ever there is a transition to another type of pipe or an elbow it will leak there - because of the hard adapter, radiator clamps, and the soft pipe. These connectors will break over time. I repair them weekly. Schedule 40 PVC or copper is the best way to go with water mains

Gray PVC pipe as a water supply line Electrical conduit

For example, you would need to show the edges of lawns, tree locations, the location of your pool house, etc. With these items on the graph, you have a map of where you can and cannot plan the irrigation lines. Measure the Water Supply. The next step is to measure the water supply. If you use PVC pipe I recommend you use 200 PSI pipe. An electrical conduit is a tube used to protect and route electrical wiring in a building or structure. Electrical conduit may be made of metal, plastic, fiber, or fired clay.Most conduit is rigid, but flexible conduit is used for some purposes. Conduit is generally installed by electricians at the site of installation of electrical equipment. Its use, form, and installation details are often. White fittings that are used in potable water applications only; Intended for pressure use; PVC schedule 40 pipe and pressure fittings are used in irrigation, underground sprinkler systems, swimming pools, outdoor applications and cold water supply lines; Maximum working temperature of 140° Do not use any other type of pipe, such as PVC, iron, flexible plastic pipe, or any type of hose. Terminate the discharge pipe at least 1 and a maximum of 6 above a floor drain or outside. Do not drain the discharge pipe into the drain pan; instead, pipe it to an adequate drain Living landscapes need water to survive and flourish, but relying completely on natural rainfall isn't always a reliable way to supply water. An underground sprinkler system offers the convenience of spraying water directly where it needs to go and the opportunity to automate your watering schedule according to your needs. DIY sprinkler system installation can save you money

5 Main Types of Plumbing Pipes Used in Home

First, place the main PVC line pipe in place so it's ready to attach to your outdoor water nozzle. Then, set the smaller PVC pipes in place for the branch water lines. Also set into the place the tees, elbows, and bushings for reducing pipe sizes and threading on the sprinkler heads This flexible nature makes PVC ideal for use as everything from plumbing and sewage pipes to pipes used to house electrical wiring under heavy structures. PVC Is Non-Toxic When pipes are used to carry potable water, the toxicity of the plumbing lines is always under scrutiny because toxins can easily pass into water from the pipe material DRTS PVC Pipe Production Lines. DRTS offers complete turnkey production lines for PVC pipe manufacturing. Twin screw PVC extruders come in a wide range of types and sizes to suit a variety of clients' manufacturing needs. DRTS offers a variety of PVC production lines that can produce pipes from as small as 16mm and as large as 630mm PVC fittings are comprised of Polyvinyl chloride (PVC). PVC is one of the most commonly specified thermoplastic material because it is like water supply lines. with no threads or fittings while connecting with a male pipe thread pipe on the top. One such example use is a riser where the main line continues straight while the.

Why can't PVC be used for water pipe inside a house

The main drawback of using PVC piping is that it can't withstand high temperatures. This means you can't use it for hot water lines and it's not rated for drinking water, due to possible heat degradation of the plastic. CPVC pipe has all the benefits of PVC pipe, plus the added chlorine gives it a higher heat resistance In general, use PVC fittings for PVC pipe, copper fittings for copper pipe and so on. There are some exceptions and items to note: PEX fittings can be found made with either metal or plastic and are used for PEX pipes. Some types of pipe fittings are designed to transition a pipe of one material to a pipe of made from another material For example, CPVC can fail if it comes into contact with electrical wires, computer cables, termite or mold abatement chemicals, some caulks, solder flux, or some spray foam insulation. However, PEX also occasionally fails. Because PEX is a highly ductile material and the piping is flexible, it can be installed with bends

Should I use PVC or CPVC pipe? - Answere

For example, suppose you're installing a new sink and you want to use a 1 1/2-inch ABS trap connected to the 2-inch female-threaded steel pipe that's currently in the wall These lines are narrower and made from copper or polyvinyl chloride (PVC). Once the builder constructs the rough frame of the house, the plumber installs the water supply lines. After the wiring, ducting and drywall are in place, the plumber comes back one more time to hook up the water supply lines and the drain stubs to the sinks, tubs and.

CPVC vs PVC Pipe Comparison and Difference

Types of Pipes Found in Condo Plumbing Systems. Pressurized Water Pipes (Potable Water Pipes) - These are the plumbing pipes, usually manufactured from copper, PVC, CPVC or PEX that carry clean water to your sinks, faucets, showers, bathtubs and water-using appliances. Risers - Risers carry potable water between the floors of multi-level. Seems like a waste to buy something for 30 minutes of work, but can't find anywhere to rent one. I just want to lay water line and electrical to two small garden areas. I will end up making the pipe layer portion if I have to and buy the subsoiler part. But, would be easier to borrow one if anyone has one. Thanks An example would be Cape Cod, or Long Island, where you are never very far from the... Menu. Home. Electrical Contractor Mar 6, 2013 If you want to use PVC, use sun light resistant grade PVC pipe (such as used for water lines). If you use ordinary wiring PVC conduit outdoors, the whole length may tend to sag in the long run However, PVC is not suitable for incoming water flow — its use is limited to toilet and drain piping due to the plastic's lack of heat tolerance. PEX Pipes Since it first gained favor near the dawn of the millennium, PEX has emerged as an industry standard in water-supply line piping due to its strength and heat tolerance

Choosing the Correct PVC Solvent Cement - W

This entry deals with the inch-based sizes of PVC pipe in use in the United States. It does not describe PVC tube or tubing. Metric PVC pipe sizes have an entry of their own (what Americans call PVC is called PVC-U in Europe, and CPVC is called PVC-C). Solvent-cemented fittings are commercially available to connect pipes based on inches to those based on millimeters Go creative also with the old PVC pipe to build the kid's furniture, toys, and tons of fun-making systems and DIY crafts! Given kids gym, crazy water shooters, rocket launcher and outstanding outdoor water sprinklers are highly praise-worthy items in this regard! 150 Best DIY Pallet Projects and Pallet Furniture Crafts Conduit is metal or plastic tubing used to create a protective channel for electrical wire. The channel, along with electrical boxes and devices that join the conduit pieces, is known collectively as raceway. In a household wiring system, most of the circuit wiring is in the form of insulated cable that is run inside wall, floor and ceiling structures without conduit Use PVC pipes and end-caps. The use of PVC pipes and end-caps can serve to lock out the water and keep the connections and wires protected from the elements. Below are the listed steps you will need for this method. This method is a bit more involved, requiring the use of a few tools, but is nonetheless effective As an example, SA Water installed PN6 PVC pipe as sewer rising mains, on the basis of the very low heads involved, about 15 years ago and these mains are now failing and have to be replacedas the design did not takeinto account the effects of fatigue

Are there any specific situations where PVC is not

Larger PVC pipes are often used in plumbing to distribute non-potable water. PVC piping can also be used to insulate electrical cables. uPVC is used as a replacement for wood in construction, such as in double glazed window frames and window sills and in what is known as vinyl siding in the U.S Suggested Projects. Here are 50 projects that'll inspire you to pick up some PVC pipe and get making. You'll find everything from practical creations, like a drill press and baby gate, to more fanciful projects, like a net gun, dunk tank, and paintball mine. Whether you're new to working with PVC or you use it all the time, trevormates' PVC 101. Plumbing pipe layouts in a multistoried building consist of three basic components: 1. Piping for potable (drinking) water and piping for plumbing fixtures. 2. Waste lines for the collection of sewage, water from sinks, water fountains, and rain (storm) water. 3

Can you use PVC for electrical? - FindAnyAnswer

Jul 29, 2019 - Civil Engineering: PVC Pipe & Fittings Cheat Sheet 2 1/2 inch pvc waste water pipe and fitting Announcing the availability of a new line of expansion joints for use in PVC or CORZAN ® (CPVC) piping systems. The PVC comes in sizes 1/2 through 12 and the CORZAN ® (CPVC) from 1/2 through 10. Our expansion joint consists of two tubes, one telescoping inside the other. The outer tube is to be firmly anchored allowing the inner tube move.

It can be a little easier to use PVC pipe in tight quarters and places where space is limited. PVC pipe gets its flexible nature thanks to the addition of plasticizers. While they need primer before joints can be fitted together, PVC piping is just as durable and reliable as ABS once this primer takes hold properly Waterline size determines the amount of water flowing from a pipe. Bigger is better if you want lots of water in a short time. Revised February 2021. Size Water Line TIPS. Larger diameter water lines create less friction; 1-inch pipe less than 100 feet to a house is good; Size Water Line Videos BELOW; 8-inch-diameter water main supplies. PVC Pipe: 100%: 90%: 75%: 62%: 50%: 40%: 30%: 22%: To determine the pressure rating at a temperature other than 73F, find the temperature of the pipe and then multiple the percentage times the rating at 73F. For example 1 rigid pvc pipe is rated for 450psi at 73F. So at 100F, it's rating is 62% of it's rating at 73F, or 450psi x .63, which.