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.
Your P-trap can be polypropylene (white or black), ABS (black), PVC (white) or 18-gauge brass (chrome-plated or natural). Plastic traps come in inside-diameter sizes of 1-1/4-in. for a standard bathroom sink; 1-1/2-in. for a laundry sink, bathtub or standard kitchen sink; and two inches for a shower or floor drain.
The P-trap can be cut to fit four different outlet sizes 1-1/2", 1-9/16", 1-7/8" or 2".
P-traps come in various sizes such as 125x110 mm, 110x110 mm, 75 mm, 4x4, 4x4-1/2 inches, etc. What are P-traps made of? P-traps come in different materials such as PVC, UPVC, RPVC, forged Steel, alloy steel, carbon steel, stainless steel, etc.
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).
For instance, bathroom sink P-traps are typically 1 ¼ inches in diameter, while those for kitchen sinks are typically 1 ½ inches. P-traps work by utilizing a water seal in their curve to block sewer gases from entering your home while simultaneously allowing wastewater to pass.
Traps come in 1-1/4 inch (standard bathroom sink) or 1-1/2 inch (standard kitchen sink) inside diameter sizes. Be sure to check so you get the right size replacement at your local store. In this guide we'll show you how to replace a P-trap in a few easy steps.
If traps have a size stamped on them, this will tell you if they are allowed or not. If traps don't have a size stamped on them, measure them at the widest point across the open jaws, at right angles to the pivot points (hinges).
Trapways can be no smaller than 1.5 inches in diameter according to the Institute's guidelines. Most toilets have larger trapways than the minimum standard for better performance. The most common sizes for toilet trapways are between 1.75 and 2 inches, although some models can be as large as 3 inches in diameter.
Location of the P-trap
The International Residential Code, under the International Code Council, says that the P-trap must hang at a maximum height of 24 inches below the drain. Of course, this measurement depends on the sink's base height from the floor.
Highlights. The standard washing machine drain size is 2 inches, and the minimum requirement is 1 1/2 inches. Modern washers typically require a larger drain, and you may need a larger drain if it's connected to your kitchen sink.
Traps shall be not less than 1 1/4 inches in diameter. A trap shall not be larger than the waste pipe to which it is connected.
Peas are 4.0 – 7.5 mm in diameter.
Common everyday foods may help with understanding measurements: 1 cm is about the width of a pea. 2 cm is about the size of a peanut.
Length of fresh green pea varies from 8.50 to 10.20 mm with the average length of 9.38 mm. The SD and coefficient of variance was calculated to be 0.518 mm and 5.522 per cent respectively. Similarly width range varies from 6.50 to 8.50 mm with average of 7.87 mm.
Wash hand basin (bathroom sink) wastes use a 32mm / 1-1/4 inch trap. Kitchen sinks, baths and shower wastes use a 40mm / 1-1/2 inch trap.
These traps prevent sewer gases from entering the home and stop heavy items that have fallen down the sink from being completely lost in the plumbing. You must have a p-trap installed under your sink if you want your home to pass inspection in many places, where the building code requires them.
For kitchen sink drains, the most common size pipe is 1-1/2 inches.
The trap arm remains the same size as the kitchen sink drain opening, or it can be increased to one size larger. A kitchen trap arm can be 1.5" in diameter. 1-1/2" is the Kitchen Sink Drain size. A kitchen trap arm can be 2" in diameter.