90° Elbow Floats | McMaster-Carr

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77 Products

Float Valve Bodies for Water

Combine these float valve bodies with floats and rods to create float valves that meet exact specifications. Made of brass, they resist corrosion from water. This makes them ideal for use in cooling towers, high-pressure washers, and processing tanks. However, if exposed to salt or chemicals, they’ll tarnish.

90° Elbow, NPT Male Inlet × NPT Male Outlet


	Smooth Rotating Plunger	Fluted Rotating Plunger

Valve bodies with an NPT outlet thread onto pipe to direct water to a specific location. They’re often used to send water to the bottom of a tank, limiting splashing and disruptions at the surface level.

Viton® Fluoroelastomer Seal—Valve bodies with a Viton® fluoroelastomer seal withstand higher temperatures than those with a Buna-N seal.

Fluted Plunger—Valve bodies with a fluted plunger keep contaminants from getting trapped between the plunger and valve body. This gives your valve stem a seamless path to actuate, extending the life of your valve. They’re ideal for sandy or silty applications, such as in livestock tanks.

Rotating Plunger—Valve bodies with a rotating plunger minimize wear on the internal seal. When the valve opens and closes, the plunger rotates freely. This means the internal seal wears evenly, extending the life of the valve body.

	Float Valve Bodies										Replacement Plungers
	Inlet Pipe Size	Outlet Pipe Size	Flow Rate @ Pressure	Max. Pressure, psi	Temp. Range, ° F	For Rod Thread Size	Material	Plunger Material		Each		Each
Buna-N Seal







				Smooth Rotating Plunger

				3/8	3/8	9.8 gpm @ 50 psi	125	35 to 180	1/4"-20	Brass	Brass	4652K11	000000	4652K528	000000


				1/2	1/2	15 gpm @ 50 psi	125	35 to 180	1/4"-20	Brass	Brass	4652K12	00000	4652K531	00000
				3/4	3/4	26.3 gpm @ 50 psi	100	35 to 180	1/4"-20	Brass	Brass	4652K13	00000	4652K533	00000
				1	1	49.7 gpm @ 50 psi	100	35 to 180	1/4"-20	Brass	Brass	4652K14	00000	4652K535	00000




						Fluted Rotating Plunger

						3/8	3/8	10.4 gpm @ 55 psi	125	35 to 180	1/4"-20	Brass	Brass	4652K501	00000	4652K529	00000


						1/2	1/2	16 gpm @ 55 psi	125	35 to 180	1/4"-20	Brass	Brass	4652K502	00000	4652K532	00000
						3/4	3/4	28.8 gpm @ 55 psi	100	35 to 180	1/4"-20	Brass	Brass	4652K503	00000	4652K534	00000
						1	1	55 gpm @ 55 psi	100	35 to 180	1/4"-20	Brass	Brass	4652K504	00000	4652K536	00000


						Viton® Fluoroelastomer Seal







										Smooth Rotating Plunger

										3/8	3/8	9.8 gpm @ 50 psi	125	35 to 450	1/4"-20	Brass	Brass	4652K15	00000	———	0


										1/2	1/2	15 gpm @ 50 psi	125	35 to 450	1/4"-20	Brass	Brass	4652K16	00000	———	0
										3/4	3/4	26.3 gpm @ 50 psi	100	35 to 450	1/4"-20	Brass	Brass	4652K17	00000	4652K537	00000
										1	1	49.7 gpm @ 50 psi	100	35 to 450	1/4"-20	Brass	Brass	4652K18	00000	4652K538	00000

90° Elbow, NPT Female Inlet × NPT Female Outlet


Smooth Plunger	Smooth Rotating Plunger

Viton® Fluoroelastomer Seal—Valve bodies with a Viton® fluoroelastomer seal withstand higher temperatures than those with a Buna-N seal.

	Float Valve Bodies										Replacement Plungers
	Inlet Pipe Size	Outlet Pipe Size	Flow Rate @ Pressure	Max. Pressure, psi	Temp. Range, ° F	For Rod Thread Size	Material	Plunger Material		Each		Each
Buna-N Seal







				Smooth Rotating Plunger

				1 1/4	1 1/4	89 gpm @ 50 psi	125	35 to 180	1/4"-20	Brass	Brass	4664K51	0000000	4652K543	000000


				1 1/2	1 1/2	89 gpm @ 50 psi	125	35 to 180	1/4"-20	Brass	Brass	4664K52	000000	4652K543	00000


				Viton® Fluoroelastomer Seal







								Smooth Rotating Plunger

								1 1/4	1 1/4	89 gpm @ 50 psi	125	35 to 450	1/4"-20	Brass	Brass	4664K53	000000	———	0


								1 1/2	1 1/2	89 gpm @ 50 psi	125	35 to 450	1/4"-20	Brass	Brass	4664K54	000000	———	0

90° Elbow, NPT Male Inlet × Discharge Outlet


Fluted Plunger	Fluted Nonrotating Plunger

Valve bodies with a discharge outlet release contents into your tank. The outlet is unthreaded.

Nonrotating Plunger—Valve bodies with a nonrotating plunger maintain a tight seal in turbulent water, such as in mixing tanks and tanks with boiling water. However, the seal wears faster than in valve bodies with a rotating plunger.

	Float Valve Bodies											Replacement Plungers
		Discharge Slot
	Inlet Pipe Size	Wd.	Lg.	Flow Rate @ Pressure	Max. Pressure, psi	Temp. Range, ° F	For Rod Thread Size	Material	Plunger Material		Each		Each
Buna-N Seal







				Fluted Nonrotating Plunger

				3/8	13/32"	23/32"	10.4 gpm @ 55 psi	120	35 to 180	1/4"-20	Brass	Celcon Acetal	4652K512	000000	4652K539	000000


				1/2	13/32"	23/32"	18 gpm @ 55 psi	120	35 to 180	1/4"-20	Brass	Celcon Acetal	4652K513	00000	4652K539	00000
				3/4	27/64"	1"	30 gpm @ 55 psi	100	35 to 180	1/4"-20	Brass	Celcon Acetal	4652K514	00000	4652K541	00000

90° Elbow, NPT Female Inlet × Discharge Outlet


Smooth Plunger	Smooth Rotating Plunger	Smooth Nonrotating Plunger

Valve bodies with a discharge outlet release contents into your tank. The outlet is unthreaded.

Viton® Fluoroelastomer Seal—Valve bodies with a Viton® fluoroelastomer seal withstand higher temperatures than those with a Buna-N seal.

	Float Valve Bodies													Replacement Plungers
		Discharge Slot					For Rod
	Inlet Pipe Size	Wd.	Lg.	Flow Rate @ Pressure	Max. Pressure, psi	Temp. Range, ° F	Thread Size	Pipe Size	Thread Type	Material	Plunger Material		Each		Each
Buna-N Seal







				Smooth Rotating Plunger

				1 1/4	3/4"	2"	140 gpm @ 50 psi	115	35 to 180	—	1/8	NPT	Brass	Brass	4664K63	0000000	———	0


				1 1/2	3/4"	2"	140 gpm @ 50 psi	115	35 to 180	—	1/8	NPT	Brass	Brass	4664K64	000000	———	0
				2	3/4"	2"	125 gpm @ 50 psi	115	35 to 180	—	1/8	NPT	Brass	Brass	4664K65	000000	———	0




						Smooth Nonrotating Plunger

						1/2	1/2"	51/64"	20.5 gpm @ 55 psi	115	35 to 180	1/4"-20	—	—	Brass	Brass	4652K515	00000	4652K544	000000


						3/4	1/2"	25/32"	20.5 gpm @ 55 psi	115	35 to 180	1/4"-20	—	—	Brass	Brass	4652K516	000000	4652K544	00000
						1	3/4"	1 7/32"	80 gpm @ 55 psi	115	35 to 180	3/8"-16	—	—	Brass	Brass	4652K517	000000	4652K545	00000
						1 1/4	3/4"	2"	140 gpm @ 55 psi	115	35 to 180	3/8"-16	—	—	Brass	Brass	4652K518	000000	4652K546	00000
						1 1/2	3/4"	2"	140 gpm @ 55 psi	115	35 to 180	3/8"-16	—	—	Brass	Brass	4652K519	000000	4652K546	00000
						2	3/4"	2"	140 gpm @ 55 psi	115	35 to 180	3/8"-16	—	—	Brass	Brass	4652K521	000000	4652K546	00000


						Viton® Fluoroelastomer Seal







										Smooth Rotating Plunger

										1 1/4	3/4"	2"	140 gpm @ 50 psi	115	35 to 450	—	1/8	NPT	Brass	Brass	4664K66	000000	———	0


										1 1/2	3/4"	2"	140 gpm @ 50 psi	115	35 to 450	—	1/8	NPT	Brass	Brass	4664K67	000000	———	0
										2	3/4"	2"	125 gpm @ 50 psi	115	35 to 450	—	1/8	NPT	Brass	Brass	4664K68	000000	———	0




												Smooth Nonrotating Plunger

												1/2	1/2"	51/64"	20.5 gpm @ 55 psi	115	35 to 450	1/4"-20	—	—	Brass	Brass	4652K522	00000	———	0


												3/4	1/2"	25/32"	20.5 gpm @ 55 psi	115	35 to 450	1/4"-20	—	—	Brass	Brass	4652K523	000000	———	0
												1	3/4"	1 7/32"	80 gpm @ 55 psi	115	35 to 450	3/8"-16	—	—	Brass	Brass	4652K524	000000	———	0
												1 1/4	3/4"	2"	140 gpm @ 55 psi	115	35 to 450	3/8"-16	—	—	Brass	Brass	4652K525	000000	———	0
												1 1/2	3/4"	2"	140 gpm @ 55 psi	115	35 to 450	3/8"-16	—	—	Brass	Brass	4652K526	000000	———	0
												2	3/4"	2"	140 gpm @ 55 psi	115	35 to 450	3/8"-16	—	—	Brass	Brass	4652K527	000000	———	0

Through-Wall 90° Elbow, NPT Male Inlet × NPT Male Outlet


Smooth Plunger	Smooth Rotating Plunger

Through-wall valve bodies install through your tank wall. They’re good for tanks where there isn’t enough space overhead to route pipe.

Viton® Fluoroelastomer Seal—Valve bodies with a Viton® fluoroelastomer seal withstand higher temperatures than those with a Buna-N seal.

	Float Valve Bodies										Replacement Plungers
	Inlet Pipe Size	Outlet Pipe Size	Flow Rate @ Pressure	Max. Pressure, psi	Temp. Range, ° F	For Rod Thread Size	Material	Plunger Material		Each		Each
Buna-N Seal







				Smooth Rotating Plunger

				3/8	3/8	10.4 gpm @ 55 psi	125	35 to 180	1/4"-20	Brass	Brass	4652K505	000000	4652K528	000000


				1/2	1/2	16 gpm @ 55 psi	125	35 to 180	1/4"-20	Brass	Brass	4652K506	00000	4652K531	00000
				3/4	3/4	28.8 gpm @ 55 psi	100	35 to 180	1/4"-20	Brass	Brass	4652K507	00000	4652K533	00000


				Viton® Fluoroelastomer Seal







								Smooth Rotating Plunger

								3/8	3/8	10.4 gpm @ 55 psi	125	35 to 450	1/4"-20	Brass	Brass	4652K508	00000	———	0


								1/2	1/2	16 gpm @ 55 psi	125	35 to 450	1/4"-20	Brass	Brass	4652K509	00000	———	0
								3/4	3/4	28.8 gpm @ 55 psi	100	35 to 450	1/4"-20	Brass	Brass	4652K511	00000	4652K537	00000

Float Valve Bodies for Drinking Water

Safe for use in drinking water systems, these float valve bodies meet NSF/ANSI 61 standards. Combine them with rods and floats to create custom float valves. They’re made of PVC, so they’re a lightweight alternative to metal valve bodies. With a nonrotating plunger, they maintain a tight seal even in turbulent water, such as in mixing tanks and tanks with boiling water.

90° Elbow, NPT Male Inlet × NPT Male Outlet


90° Elbow	90° Elbow with Flow-Adjustment Lever

Flow-Adjustment Lever—Float valve bodies with a flow-adjustment lever have two flow setpoints, so you can adapt the flow rate to match system requirements.

	Max. Pressure, psi	For Rod Thread Size	Material	Connector Material	Plunger Material		Each
Santoprene Seal







	Smooth Nonrotating Plunger

	3/8	3/8	7.2 gpm @ 60 psi	100	1/4"-20	PVC	18-8 Stainless Steel	PVC	6381N11	000000


	3/8	3/8	12.5 gpm @ 60 psi	100	1/4"-20	PVC	18-8 Stainless Steel	PVC	6381N12	00000
	1/2	1/2	12.5 gpm @ 60 psi	100	1/4"-20	PVC	18-8 Stainless Steel	PVC	6381N13	00000
	1/2	1/2	15 gpm @ 60 psi	100	1/4"-20	PVC	18-8 Stainless Steel	PVC	6381N14	00000
	3/4	3/4	16.5 gpm @ 60 psi	100	1/4"-20	PVC	18-8 Stainless Steel	PVC	6381N15	00000
	3/4	3/4	37 gpm @ 60 psi	100	1/4"-20	PVC	18-8 Stainless Steel	PVC	6381N16	00000




			Smooth Nonrotating Plunger with Flow-Adjustment Lever

			1	1	69 gpm @ 60 psi	100	1/4"-20	PVC	18-8 Stainless Steel	PVC	6381N17	00000


			1 1/4	1 1/4	145 gpm @ 60 psi	100	5/16"-18	PVC	18-8 Stainless Steel	PVC	6381N18	00000

Float Valve Bodies for Chemicals


	Round Rotating Plunger

Often found in tanks that are frequently washed down, these float valve bodies are 316 stainless steel, so they resist corroding from harsh cleaners. To create custom float valves, combine these valve bodies with floats and rods. Thread them onto pipe to direct water to a specific location. They’re frequently used to send water to the bottom of a tank to limit splashing and disruptions at the surface level. When the valve opens and closes, the plunger rotates freely. This means the internal seal wears evenly, extending the life of the valve body.

Teflon® PTFE Seal—Valve bodies with a Teflon® PTFE seal withstand higher temperatures than those with a Viton® fluoroelastomer seal.

	Inlet			Outlet									Viton® Fluoroelastomer Seal			Teflon® PTFE Seal
	Pipe Size	Thread Type	Gender	Pipe Size	Thread Type	Gender	Flow Rate @ Pressure	Max. Pressure, psi	For Rod Thread Size	Material	Plunger Material	Plunger Type	Temp. Range, ° F		Each	Temp. Range, ° F		Each
90° Elbow



		1/2	NPT	Female	1/2	NPT	Female	48 gpm @ 50 psi	85	1/4"-20	316 Stainless Steel	316 Stainless Steel	Rotating	35 to 450	4531K54	0000000	35 to 550	4531K14	0000000


		3/4	NPT	Female	3/4	NPT	Female	48 gpm @ 50 psi	85	1/4"-20	316 Stainless Steel	316 Stainless Steel	Rotating	35 to 450	4531K56	000000	35 to 550	4531K16	000000
		1	NPT	Female	3/4	NPT	Female	57.5 gpm @ 50 psi	85	3/8"-16	316 Stainless Steel	316 Stainless Steel	Rotating	35 to 450	4531K59	000000	35 to 550	4531K19	000000
		1 1/4	NPT	Female	1 1/4	NPT	Female	140 gpm @ 50 psi	100	3/8"-16	316 Stainless Steel	316 Stainless Steel	Rotating	—	———	0	35 to 550	4531K21	00000000
		1 1/2	NPT	Female	1 1/2	NPT	Female	140 gpm @ 50 psi	100	3/8"-16	316 Stainless Steel	316 Stainless Steel	Rotating	—	———	0	35 to 550	4531K23	00000000
		2	NPT	Female	2	NPT	Female	140 gpm @ 50 psi	100	3/8"-16	316 Stainless Steel	316 Stainless Steel	Rotating	35 to 450	4531K65	00000000	35 to 550	4531K25	00000000