Hub Drain Air Gap Floor Sink

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Hub drain air gap floor sink.

Drain 34700 4 6 out of 5 stars 13 22 50 22. Our drainage line is engineered to deliver superior performance in even the most demanding applications through innovative designs and improved functionality. This air gap allows any back up waste water to spill out over the overflow rim of the plumbing fixture without ever touching the indirect waste discharge. The space between the overflow rim of the fixture and the end of the indirect discharge piping is called the air gap.

Floor sinks are also larger than most floor drains 12 inches by 12. Hub drains are usually easy to install because the diameter of the inner part of the hub pipe should be the same width as the pipe you wish to connect it to. Most codes state that for an air gap to be legal the space between the top of the drain overflow and the discharge pipe or hose must be at least 2. The hub can be attached in various ways such as soldering them together or using a rubber gasket.

The most basic drain connection routes the air gap hose directly to a specially designed branched drainpipe. Floor sinks are usually used where equipment drains require an air gap like commercial restaurant appliances. In the base cabinet under the sink the drain hose from the dishwasher feeds the top of the air gap and the bottom of the air gap is plumbed into the sink drain below the basket or into a garbage disposal unit. The indirect waste pipe is installed so that it terminates inside the funnel.

Some food service inspectors do not approve of this installation as it is. Universal air gap for water softeners and filters with 1 2 inch od or 5 8 inch id inlet port and 1 1 2 inch or 2 inch drainpipe outlet ag100 001 mr. They actually have some storage capacity and usually have a drain screen and removable grate for servicing the fixture. Fastening it to the grate of the floor sink or in some instances the grate of a floor drain.

This air gap is seen above the sink as a small cylindrical fixture mounted parallel with the faucet. In this way the air gap is maintained but the chance for splashing is eliminated.