Water Closet Pipe Size

304 8mm 1 gallon m 3 785l m.

Water closet pipe size.

Toilet water supply line 1 2 inch copper pipe or plastic pipe routed from main water line or 1 2 inch cold water line. Closet bend 4 3 closet bend connects to 3 inch schedule 40 pipe. One end in most cases the inlet is 4 inches wide this mounts to the toilet and the outlet end is 3 inches in diameter. The closet bend is also 3 inch pipe however there are various closet bend sizes.

The supply pipe shall extend to the floor or wall adjacent to the fixture. The listed fixture unit values represent their load on the cold water building supply. 1 inch 25 4mm 1 ft. A reduced size flexible water connector installed between the supply pipe and the fixture shall be of an approved type.

Unit sizes provided in the table 1 and table 2 is in mm but the size of pipes in the chart is in inch. So pipe area should be at least equal to water flow rate divided by eight. The closet bend installs below the toilet and connects to the main drain stack. The fixture supply pipe shall terminate not more than 30 inches 762 mm from the point of connection to the fixture.

The top of the closet bend is 3 inch diameter pipe while the other end is 4 inch. A reducing closet bend configuration or a 4 3 closet bend has two different sized ends to connect two different sized pipes. Most toilet installation parts are made to fit these pipe sizes. Water velocity should not be greater than 2 438m s at valve seat to prevent noise and erosion.

Appliances appurtenances and fixtures not referenced in the table below shall be permitted to be sized by reference to fixtures having a similar flow rate and frequency of use. The minimum size of a fixture supply pipe shall be as shown in table 604 5.