Lab Drains | McMaster-Carr

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4 Products

Chemical-Resistant Sink Drains with Height-Adjusting P-Trap

Commonly used in lab sinks, these polypropylene sink drains resist dissolving if chemicals, such as acids, go down your drain. They have a P-trap to prevent vapors from returning through the drain.

				Outlet
	For Sink Drain Opening Dia.	Top Dia.	Max. Vert. Adjustment	Pipe Size	Thread Type	Gender	Trap Color	Specs. Met		Each
Black Polypropylene



		1 7/8" to 3"	3 3/8"	5 1/2"	1 1/2	NPT	Male	White	ASTM F1412	2978K14	0000000

Accessories for Sink Drains

Sink Drain Trap Extension Tubing

Straight—Straight sink drain trap extension tubing is often used when connecting your drain to Gravity-Flow Polypropylene Pipe Fittings for Corrosive Chemical Waste.

			Outlet		Inlet
	Shape	Swivel Type	Pipe Size	Gender	Pipe Size	Thread Type	Gender	Lg.		Each
Polypropylene



		Straight	Swivels Until Tightened	1 1/2	Male	1 1/2	NPT	Female	12"	2694K201	000000

Sink Drain Fittings

90° Elbow—Use 90° elbow sink drain fittings when your drain pipe comes in from the floor instead of the wall.

			Outlet			Inlet
	Shape	Swivel Type	Pipe Size	Thread Type	Gender	Pipe Size	Thread Type	Gender		Each
Polypropylene



		90° Elbow	Swivels Until Tightened	1 1/2	NPT	Male	1 1/2	NPT	Female	2694K202	000000

Chemical-Resistant Sink Drains with Collection Trap

Often used in lab sinks, these drains have a removable collection trap that catches sediment and objects. The trap also blocks vapors from returning up through the drain.

Pipe Outlet Connection with Glass Trap

Drains with a glass trap are clear, so you can monitor sediment and debris as it drops in. They also include a standard-width mason jar that is easy to replace.

Polypropylene—Polypropylene drains resist dissolving if chemicals, such as acids, go down your drain.

		Overall				Outlet
	Cap., fl. oz.	Dia.	Ht.	For Sink Drain Opening Dia.	Top Dia.	Pipe Size	Thread Type	Gender	Material	Color	Trap Color		Each
Sink Drains with Plastic Stopper



		32	6"	12 1/2"	1 7/8" to 3"	3 3/8"	1 1/2	NPT	Male	Polypropylene	Black	Clear	2694K203	0000000

Accessories for Sink Drains

Sink Drain Trap Extension Tubing

Straight—Straight sink drain trap extension tubing is often used when connecting your drain to Gravity-Flow Polypropylene Pipe Fittings for Corrosive Chemical Waste.

			Outlet		Inlet
	Shape	Swivel Type	Pipe Size	Gender	Pipe Size	Thread Type	Gender	Lg.		Each
Polypropylene



		Straight	Swivels Until Tightened	1 1/2	Male	1 1/2	NPT	Female	12"	2694K201	000000

Sink Drain Fittings

90° Elbow—Use 90° elbow sink drain fittings when your drain pipe comes in from the floor instead of the wall.

			Outlet			Inlet
	Shape	Swivel Type	Pipe Size	Thread Type	Gender	Pipe Size	Thread Type	Gender		Each
Polypropylene



		90° Elbow	Swivels Until Tightened	1 1/2	NPT	Male	1 1/2	NPT	Female	2694K202	000000