Diagram Floor Drain

The bathroom sink s water lines are roughed in 3 inches above the drain.

Diagram floor drain.

The photo at right shows a floor drain as viewed from the side. Sufficient top size and grate free area to pass the anticipated flow are required. Floor and area drains floor drain selection factors pipe connection no hub standard butt connection using no hub or neoprene coupling suitable for cast iron plastic and most other piping applications. Push on p gasket connection astm c 564 with pipe stop.

Immediately beneath a sink bathtub or other plumbing fixture the fixture drain opening leads to a curved segment of pipe known as the p trap which is normally a 1 1 4 to 2 inch diameter segment of pipe with a sharp curved bend in it shaped like the letter p. When you look at an installed floor drain all that you typically see is the grill on top. This diagram of a typical dwv system is called a plumbing tree. The shaded portion shows the trap where water will always sit which prevents sewer gas from coming in.

The purpose of this drain trap is to hold standing water which seals the drain system and prevents sewer gases from. Floor drains are no exception. This water gets refreshed whenever more water runs through it. Suitable for no hub or service weight cast iron sch.

Grate free area is defined as the total area of the drainage openings in the grate the drain outlet should be sized large. The center of the lav s drain is located 18 approximately above the finished floor. Water runs down the sink drain into a p trap so called because it s shaped like the letter which fills up with water to prevent sewer gases and odors from getting into the house through the pipe. 40 plastic and steel pipe.