What size is the drain on a urinal?
P-506.1 General
| Fixture | Minimum Size of Trap & Fixture Drain (Inches) |
|---|---|
| Sink, Soda Fountain or Bar | 1 1/4 |
| Urinal, Stall | 2 |
| Urinal, Trough | 1 1/2 |
| Urinal, Wall | 1 1/2 |
What determines the size of a fixture trap?
7, the trap size shall be the same nominal size as the fixture tailpiece. A trap shall not be larger than the drainage pipe into which the trap discharges. For SI: 1 inch = 25.4 mm, 1 gallon per minute = 3.785 L/m.
What is the standard size of a toilet trap?
ANSI Standards However, most toilets usually have a trapway between 1 3/4 to 2 inches. The trapway size of a toilet is an essential feature, because a smaller trapway inhibits the smooth flow of waste, especially when a smaller amount of water is used on each flush.
Are there different sizes of P traps?
Kitchen sink P-Traps come in 1-1/2” standard size, while bathroom sinks use P-Traps of 1-1/4” standard size. The traps also come in different material types such as propylene, ABS, brass (chrome-plated or natural), and PVC. You should use the material that is currently in place when replacing a P-Trap.
Does a urinal need a trap?
Do Urinals Have Built-In Traps? Yes, some models and types of urinals do come with built-in traps that play a very important role in the entire process. For instance, a standard urinal has a pipe known as a “P-trap” where all the water is flushed into it by the urinal.
What is minimum size of P trap?
However, the Universal Plumbing Code stipulates that the total developed length of all tailpieces, arms and fittings connecting the drain to the p-trap must be 24 inches or less.
How many traps are needed per fixture?
No. of fixture units and required trap size.
| No. of Fixture Units | Trap Size (in) |
|---|---|
| 2 – 3 | 1 1/2 |
| 3 – 4 | 2 |
| 5 – 6 | 3 |
| 6 – 8 | 4 |
Are all toilet traps the same size?
The trap’s size is largely up to the builder/homeowner, depending on what style of toilet and the utility they want. From round bowls to elongated, elevated to wall-mounted, tankless to dual flush, the different types of toilets fill many pages of catalogs and are worried over by contractors and homeowners alike.
What is a diameter of a trap?
The size of the trap will depend on the type of appliance and the size of your waste pipework. Generally, the following types of appliances use a standard size waste trap and waste pipework: Wash hand basins: 32mm (1 ¼ inch). Sinks: 38mm (1 ½ inch). Urinals: 38mm (1 ½ inch), or 50mm (2 inch).
Can you replace metal P trap with PVC?
Purchase a PVC P-trap, pipe and fittings to replace the metal ones. Cut the PVC pipe to the lengths that you need with a hacksaw. PVC drain pipe comes in two different diameters: 1 1/4 inches and 1 1/2 inches. Make sure to buy material that’s the same diameter as the metal pipes you just removed.
Can you have 2 P traps?
Yes, in most every home, multiple P traps eventually go into a single drain. The important considerations are that there is proper slope, there’s a vent within a certain distance of the drain (either wet or dry), and that the drains are properly sized.
What are urinal traps?
White plastic bottle traps are the most widely used with urinals as they are the easiest to clean. The bottle trap fits under the urinal outlet and would be fitted to the strainer waste above. Bottle traps would not be recommended for waterless urinals.