Caustic Fluid Floats | McMaster-Carr

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	Shape Shape


Ball	Rectangle

90° Elbow

	Material Material

Stainless Steel

Plastic

	For Use With For Use With	Show

Caustic Fluid

	For Use With For Use With	Hide

Warning: Products have one, but not necessarily all, of the selected characteristics.

	Color Color

	Off-White
	Black

	Thread Size Thread Size

	Diameter Diameter

	Maximum Temperature Maximum Temperature

Less than 200° F

400° F or greater

	Minimum Temperature Minimum Temperature

25° to 39° F

	DFARS (Defense Acquisition Regulations Supplement) DFARS (Defense Acquisition Regulations Supplement)

DFARS Specialty Metals
COTS-Exempt

	Maximum Pressure Maximum Pressure

85 psi

100 psi

Not Rated

	RoHS (Restriction of Hazardous Substances) RoHS (Restriction of Hazardous Substances)

RoHS Compliant

	For Container Type For Container Type

Open Tank

	Gender Gender

Female

	REACH (Registration, Evaluation, Authorization and Restriction of Chemicals) REACH (Registration, Evaluation, Authorization and Restriction of Chemicals)

REACH Compliant

	Inlet Pipe Size Inlet Pipe Size

	Connection Type Connection Type

	Hose

	Thread Type Thread Type

UNC

	Height Height

1 7/16"

	Length Length

3 3/4"

	Width Width

2 1/2"

	Outlet Pipe Size Outlet Pipe Size

	Seal Material Seal Material

Rubber

Plastic

	Outlet Connection Style Outlet Connection Style

Threaded

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18 Products

Floats for Chemicals

Made of polyethylene, these floats can be used with chemicals, salts, and caustic fluids.

Ball floats are self-tapping when used with a threaded rod.

For technical drawings and 3-D models, click on a part number.

Polyethylene Plastic Rectangular Floats

Rectangular

Lg.	Wd.	Ht.	Thread Size	Thread Type	Gender	Max. Pressure	Temp. Range, °F	Color	For Container Type		Each
3 3/4"	2 1/2"	1 7/16"	8-32	UNC	Female	Not Rated	35° to 140°	Off-White	Open Tank	0000000	00000

Polyethylene Plastic Ball Floats

Dia.	Thread Size	Thread Type	Gender	Max. Pressure	Temp. Range, °F	Color	Features	For Container Type		Each
6"	1/4"-20	UNC	Female	Not Rated	35° to 140°	Black	UV Resistant	Open Tank	0000000	000000
6"	5/16"-18	UNC	Female	Not Rated	35° to 140°	Black	UV Resistant	Open Tank	0000000	00000
8"	1/4"-20	UNC	Female	Not Rated	35° to 140°	Black	UV Resistant	Open Tank	0000000	00000
8"	5/16"-18	UNC	Female	Not Rated	35° to 140°	Black	UV Resistant	Open Tank	0000000	00000
8"	3/8"-16	UNC	Female	Not Rated	35° to 140°	Black	UV Resistant	Open Tank	0000000	00000

Float Valve Bodies for Chemicals

Npt Female Inlet × Npt Female Outlet

Made of stainless steel, these float valves have excellent corrosion resistance even when exposed to chemicals. Combine them with floats and rods (not included) to create float valves that meet exact specifications.

Valve bodies with a PTFE seal withstand higher temperatures than valve bodies with a fluoroelastomer seal.

For technical drawings and 3-D models, click on a part number.

Inlet			Outlet
Pipe Size	Thread Type	Gender	Pipe Size	Thread Type	Gender	Flow Rate	Max. Pressure, psi	For Rod Thread Size	Material	Temp. Range, °F		Each
Fluoroelastomer Rubber Seal
90° Elbow
1/2	NPT	Female	1/2	NPT	Female	48 gpm @ 50 psi	85	1/4"-20	316 Stainless Steel	35° to 450°	0000000	0000000
3/4	NPT	Female	3/4	NPT	Female	48 gpm @ 50 psi	85	1/4"-20	316 Stainless Steel	35° to 450°	0000000	000000
1	NPT	Female	3/4	NPT	Female	57.5 gpm @ 50 psi	85	3/8"-16	316 Stainless Steel	35° to 450°	0000000	000000
1 1/4	NPT	Female	1 1/4	NPT	Female	140 gpm @ 50 psi	100	3/8"-16	316 Stainless Steel	35° to 450°	0000000	00000000
1 1/2	NPT	Female	1 1/2	NPT	Female	140 gpm @ 50 psi	100	3/8"-16	316 Stainless Steel	35° to 450°	0000000	00000000
2	NPT	Female	2	NPT	Female	140 gpm @ 50 psi	100	3/8"-16	316 Stainless Steel	35° to 450°	0000000	00000000
PTFE Plastic Seal
90° Elbow
1/2	NPT	Female	1/2	NPT	Female	48 gpm @ 50 psi	85	1/4"-20	316 Stainless Steel	35° to 550°	0000000	000000
3/4	NPT	Female	3/4	NPT	Female	48 gpm @ 50 psi	85	1/4"-20	316 Stainless Steel	35° to 550°	0000000	000000
1	NPT	Female	3/4	NPT	Female	57.5 gpm @ 50 psi	85	3/8"-16	316 Stainless Steel	35° to 550°	0000000	00000000
1 1/4	NPT	Female	1 1/4	NPT	Female	140 gpm @ 50 psi	100	3/8"-16	316 Stainless Steel	35° to 550°	0000000	00000000
1 1/2	NPT	Female	1 1/2	NPT	Female	140 gpm @ 50 psi	100	3/8"-16	316 Stainless Steel	35° to 550°	0000000	00000000
2	NPT	Female	2	NPT	Female	140 gpm @ 50 psi	100	3/8"-16	316 Stainless Steel	35° to 550°	0000000	00000000