what is a hub drain
HUB OUTLET (OUTSIDE CAULK OUTLET): A drain connection, usually on side outlet drains, where plain end of drain pipe is inserted and a seal is made either by caulking or by using a compression gasket. This type of outlet is the opposite of the inside caulk outlet.
Does a hub drain need a vent?
There is a requirement for hub drains to be vented. The superior hub drain will not be used if the floor drain can be used for equipment drainage.
What is a no hub floor drain?
NO-HUB (NH) (A/K/A Mechanical Joint) The most widely used connection. A No-Hub connection is achieved by butting No Hub soil pipe or plastic pipe to the bottom of the drain and securing it with a NO HUB coupling.
What is a funnel drain?
The funnel drains receive the condensate, drip or wastewater directly from indirect waste lines. The funnel prevents any type of splash and directs the waste into the drain. The exposes grate portion works as drainage for any type of floor waste.
What is a trap Weir?
The trap weir is the point at the bottom of the trap arm pipe where it connects to the trap. It’s the height at which water will no longer flow from the trap via gravity—the rim of the cup, so to speak (see “How Siphons Are Created,” below).
What is the difference between a floor drain and a floor sink?
A floor sink is a type of floor drain primarily used as an indirect waste receptor. It is generally deeper than a standard floor drain and can have a full or partial grate, or no grate as required to accommodate the indirect waste pipes. It usually has a dome strainer in the bottom to prevent splash-back.
What is a hub fitting?
Hub – a type of DWV fitting end that allows pipe to slide into the end.
What is no-hub pipe made of?
CAST IRON TYPES
Hubless pipe and fittings are also referred to in the plumbing industry as no-hub. Hubless cast iron soil pipe and fittings are manufactured without a hub, in compliance with CISPI 301.
What is a no-hub coupling used for?
Intended for use with DWV systems, no-hub couplings are used to join cast iron soil pipe that does not have the traditional Hub and Spigot. They are normally installed using a torque wrench. Generally, they have more clamps and provide a greater band load than standard no-hub couplings.
What are plastic drain pipes made from?
Most domestic drainage pipes are now made from plastic, or PVC-U to use the proper term. PVC-U pipes are lighter and easier to handle than traditional clay drains. Clay drainage is still used on some commercial installations. Plastic drainage pipes can be either plain ended or socketed on one end.
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