Nylon Float Valves | McMaster-Carr

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5 Products

Extra-Compact Plastic Float Valves

Control the water level in spaces where a rod and lever won’t fit; these float valves have an internal float and connect to your pipe. When the water level reaches the bottom of the valve, the float rises to stop the flow. The discharge outlet is unthreaded and releases contents into your tank.

	Inlet								Overall			For Open Tanks, Silicone Rubber Seal
	Pipe Size	Thread Type	Gender	Connection	Outlet Connection Port	Discharge Hole Dia.	Flow Rate @ Pressure	Max. Pressure, psi	Dia.	Ht.	Float Material	Temp. Range, ° F		Each
For Water







				Straight Valve Body

				1/2	NPT	Female	Threaded	Discharge	3/8"	22 gpm @ 50 psi	65	2 13/16"	5 3/4"	ABS	35 to 150	00000000	000000


				1	NPT	Female	Threaded	Discharge	3/8"	70 gpm @ 50 psi	100	3 3/4"	5"	ABS	35 to 175	00000000	00000

Compact Plastic Float Valves

Smaller than other float valves, these are sized for containers with limited space. They also minimize noisy water hammer. Use them to control water levels in processing tanks and cooling towers.

	Inlet				Outlet						Float					For Open Tanks, Neoprene Seal			For Open Tanks, EPDM Seal
	Pipe Size	Thread Type	Gender	Connection	Connection Port	Pipe Size	Thread Type	Gender	Flow Rate @ Pressure	Max. Pressure, psi	Lg.	Wd.	Float Rod Lg.	Includes	Float Material	Temp. Range, ° F		Each	Temp. Range, ° F		Each
For Water







				Brass Float Rod—Elbow Valve Body

				1	NPT	Female	Threaded	Pipe	1	NPT	Female	84 gpm @ 50 psi	80	4"	3 1/4"	5 3/4"	Adapters to reduce 3/8, 1/2, and 3/4 pipe size	Polyethylene	35 to 160	0000000	000000	—	———	0


				1 1/2	NPT	Male	Threaded	Discharge	—	—	Male	158 gpm @ 33 psi	150	4"	3 1/4"	6"	1-1/2 NPT Female Adapter, Optional 2" long float rod	Polyethylene	—	———	0	35 to 175	0000000	0000000
				2	NPT	Male	Threaded	Discharge	—	—	Male	150 gpm @ 50 psi	150	4"	3 1/2"	6"	Adapter to reduce 1-1/2 pipe size, Optional 2" long float rod	Polyethylene	—	———	0	35 to 175	0000000	000000