Bleach Pumps | McMaster-Carr

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How to Prime Your Pump

How to Determine Feet of Head

About Process Pumps

About Drum Pumps

Rated for continuous use, this pump is often used to move caustics such as antifreeze and salt water. Mount it in any position, even upside down. Also known as a diaphragm pump, it is typically used for low-flow spraying, draining, and washdown applications. Pump has a pressure switch that automatically shuts off the pump at the maximum pressure. It is self-priming, which means it creates a suction force to draw liquid upward. Pump can run dry and does not require an initial fill, so it’s a good choice for applications without a constant flow of liquid. Do not use with solids.

							Intake			Discharge			Overall
Max. Flow Rate, gpm	Flow Rate @ Pressure	Max. Pressure, psi	Max. Viscosity, cP	Max. Temp. Range, °F	hp	Current, A	Tube Connection Type	Gender	For Tube ID	Tube Connection Type	Gender	For Tube ID	Lg.	Wd.	Ht.		Each
120V AC, Single Phase—With Thermal Overload Protection and Pressure Switch
Plug
3	2.50 gpm @ 20 psi (46 ft. of head)	40	250	130°	3/16	1.8	Barbed	Male	1/2"	Barbed	Male	1/2"	10 7/8"	5 3/8"	5 5/8"	0000000	0000000

PTFE Air-Powered Transfer Pumps for Harsh Chemicals

With all PTFE wetted parts, these pumps offer the best chemical resistance of all our air-powered transfer pumps and can handle solvents and petroleum-based fluids that PVDF pumps can’t. Pumps are self-priming, which means they create a suction force to draw liquid upward to fill the pump chamber. All can run dry.

Fluid-side maintenance kits include diaphragms, check valve balls, and seals.

Air-motor maintenance kits include seals, O-rings, gaskets, retaining rings, and an air valve spool.

Threaded Side Intake and Side Discharge

					Overall
Max. Flow Rate, gpm	Air Consumption, cfm	Air Connection (NPT)	Intake Pipe Connection (NPT)	Discharge Pipe Connection (NPT)	Lg.	Wd.	Ht.		Each
231 Max. ft. of Head—100 psi Max. Discharge Pressure
2.5	4.8	1/8 Female	1/4 Female	1/4 Female	3 3/8"	5 1/2"	6 1/2"	000000	000000000
6.7	9.3	1/8 Female	3/8 Female	3/8 Female	3 1/2"	5 7/8"	7 5/8"	000000	00000000
16	29	1/4 Female	1/2 Female	1/2 Female	6"	9 3/16"	8"	000000	00000000
39	46	1/4 Female	1 Female	1 Female	8"	10 7/8"	10 3/8"	000000	00000000

Fluid-Side Maintenance Kit for 2925N1	Each	0000000
Air-Motor Maintenance Kit for 2925N1	Each	000000
Fluid-Side Maintenance Kit for 2925N4	Each	00000000
Air-Motor Maintenance Kit for 2925N4	Each	000000
Fluid-Side Maintenance Kit for 2925N2	Each	000000
Air-Motor Maintenance Kit for 2925N2	Each	000000
Fluid-Side Maintenance Kit for 2925N3	Each	00000000
Air-Motor Maintenance Kit for 2925N3	Each	000000

Compact Drum Pumps for Water and Chemicals

Designed to move low volumes of caustic liquids in confined areas, these pumps have a thin intake tube and a small handle. They are often used to pump cleaning fluids, acid-washing solutions, and bleach.

Style A pumps have a selectable flow rate, so you can adjust flow for different dispensing applications.

Style B pumps have a flexible discharge spout.

				Temp. Range, °F				Intake
Style	Flow Rate, oz./stroke	For Container Size, gal.	Max. Viscosity	Min.	Max.	For Drum Opening Size	Includes	Tube OD	Tube Lg.	Spout Type		Each
A	2, 4, 6, 8	5	Not Rated	Not Rated	125°	3/4 NPT	__	5/8"	18 1/4"	Fixed	0000000	000000
A	2, 4, 6, 8	15-55	Not Rated	Not Rated	125°	2 NPT, 3/4 NPT	Two Drum Connectors	5/8"	33"	Fixed	0000000	00000
A	4, 8, 12, 16	15-55	Not Rated	Not Rated	125°	2 NPT, 3/4 NPT	Two Drum Connectors	5/8"	33"	Fixed	0000000	00000
B	3	55	Not Rated	40°	150°	2 NPT	Drum Connector	1 3/4"	32"	Flexible	0000000	000000

Drum Pumps for Harsh Chemicals

With Spout End

With Nozzle

Made with PTFE components, these pumps stand up to aggressive chemicals our other drum pumps can't, such as hydrochloric acid, bleach, sodium hydroxide, and methyl ethyl ketone (MEK). A stopcock prevents fluid and vapor from leaking after use.

			Temp. Range, °F				Intake
Flow Rate, oz./stroke	For Container Size, gal.	Max. Viscosity, cP	Min.	Max.	For Drum Opening Size	Includes	Tube OD	Tube Lg.		Each
With Spout End
9	16	500	35°	105°	2"	Drum Connector	1 1/4"	23 5/8"	000000	000000000
With Nozzle
9	16	500	35°	105°	2"	Drum Connector	1 1/4"	23 5/8"	000000	00000000

Nondrip Drum Pumps for Fuel and Flammable Liquid

Eliminate leaks and waste with a faucet-style nondrip nozzle that quickly starts and stops flow. Pressurize your container with a few pumps of the plunger handle, and use the one-touch nozzle to manage flow. Hold down the nozzle for intermittent dispensing, open the nozzle fully for continuous flow, and close the nozzle to stop flow entirely.

Always bond and ground your application for static control. For more information about bonding and grounding, see Sections 1910.106 and 1910.107 of the Federal OSHA Code or see bonding and grounding equipment.

NFPA approved pumps are rated for use with Class I and II flammable and combustible liquids such as fuels, alcohols, and acetone.

			Temp. Range, °F				Intake
Flow Rate, gpm	For Container Size, gal.	Max. Viscosity, cP	Min.	Max.	For Drum Opening Size	Includes	Tube OD	Tube Lg.	Features	Flammability Rating		Each
4.5	2-55	270	35°	110°	2 NPT	Drum Connector	5/8"	40"	Bonding and Grounding Wires	NFPA 30 18.4.4.1	0000000	0000000

Air-Powered Drum Pumps with Hose and
Filter/Lubricator for Water, Oil, Coolants, and Chemicals

A filter/lubricator ensures efficiency and reduces wear on the pump. They have a chemically resistant seal for use with hydraulic oil and motor oil in addition to acidic and alkaline liquids such as ammonia and etching and cleaning solutions. Pumps have a nonsparking motor for use in applications where electricity is unavailable or dangerous.

			Temp. Range, °F						Air Connection			Intake		Discharge
Flow Rate, gpm	For Container Size, gal.	Max. Viscosity, cP	Min.	Max.	Air Pressure Range, psi	Air Consumption, cfm	For Drum Opening Size	Includes	Pipe Size	Gender	Thread Type	Tube OD	Tube Lg.	Tube ID	Tube Lg., ft.	Features		Each
16	55	2,000	35°	150°	80-100	32	2 NPT	Drum Connector	1/4	Female	NPT	1 5/8"	40"	1"	5	15-ft. Air Hose Assembly, Air Filter/Lubricator, Ball Valve, Muffler	0000000	000000000

Coupling Insert	Each	000000
Repair Kit for Pumps with 16 gpm Flow Rate	Each	000000
Half Coupling for Pumps with 16 gpm Flow Rate	Each	00000

PVDF Extended-Life Air-Powered Drum Pumps for Chemicals

A chemical- and impact-resistant PVDF housing stands up to aggressive chemicals such as methyl ethyl ketone (MEK) and xylene. Also known as diaphragm pumps, they have few moving parts that can fail for a long service life. Install an air line filter/lubricator to ensure efficiency and reduce wear on the pump.

Repair kits include O-rings, valves, and diaphragms.

			Temp. Range, °F					Air Connection			Intake				Discharge
Flow Rate, gpm	For Container Size, gal.	Max. Viscosity, cP	Min.	Max.	Air Pressure, psi	Air Consumption, cfm	For Drum Opening Size	Pipe Size	Gender	Thread Type	Pipe Size	Gender	Thread Type	Tube Lg.	Pipe Size	Gender	Thread Type		Each
13	55	3,000	40°	210°	100	12	2 NPT	1/4	Female	NPT	1/2	Female	NPT	36"	1/2	Female	NPT	0000000	000000000

Repair Kit

00000000

Each

0000000

Electric Drum Pump Systems for Water, Oil, Coolants, and Chemicals

NEMA 5-15 Plug

Including nozzles and connectors, these pumps come with everything you need to start pumping. All include a pump assembly, 1" ID hose, dispensing nozzle, drum connector, and storage bracket.

Pumps with a PVDF housing are often used with aggressive chemicals such as 98% nitric acid, hydrochloric acid, and sulfuric acid. Their motors are rated IP54.

Pumps with a 47" intake tube can be used with large totes and tanks.

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

				Temp. Range, °F					Intake		Discharge
Flow Rate, gpm	Discharge Pressure, psi	For Container Size, gal.	Max. Viscosity, cP	Min.	Max.	Horsepower	Current, A	For Drum Opening Size	Tube OD	Tube Lg.	Tube ID	Tube OD	Tube Lg.	Environmental Rating		Each
120V AC, Single Phase—NEMA 5-15 Plug
PVDF Plastic Housing
15	15	55	1,500	Not Rated	175°	1 hp	7.5	2 NPT	1 5/8"	39"	1"	1 1/4"	72"	IP54	0000000	000000000
15	15	55	1,500	Not Rated	175°	1 hp	7.5	2 NPT	1 5/8"	47"	1"	1 1/4"	72"	IP54	0000000	00000000

Fixed-Flow-Rate Metering Pumps for Chemicals

Also known as peristaltic pumps and tubing pumps, these maintain a fixed flow rate. Pumps are self-priming, which means they create a suction force to draw liquid upward and fill the pump chamber. Mount them up to 25 feet above your liquid source. All can run dry. Do not use with solids.

Pumps with Viton® fluoroelastomer tubing withstand oil such as gasoline and hydraulic oil.

Pumps

						Overall
Flow Rate, gal./day (For Tube ID)	Max. Pressure, psi	Max. Viscosity, cP	Temp. Range, °F	Horsepower	Current, A	Lg.	Wd.	Ht.	Includes		Each
115V AC,Single Phase—Plug
PVDF Plastic and Viton® Fluoroelastomer Rubber Wetted Parts Material
0.02 (1/32") 0.07 (1/16") 0.25 (1/8")	30	800	32° to 122°	Subfractional	0.03	5 1/2"	3 1/4"	3 3/4"	4 1/2" Lg. of 1/32" ID Viton® Fluoroelastomer Tubing (Shore A60), 4 1/2" Lg. of 1/16" ID Viton® Fluoroelastomer Tubing (Shore A60), 4 1/2" Lg. of 1/8" ID Viton® Fluoroelastomer Tubing (Shore A60)	000000000	0000000
0.11 (1/32") 0.34 (1/16") 1.25 (1/8")	30	800	32° to 122°	Subfractional	0.03	5 1/2"	3 1/4"	3 3/4"	4 1/2" Lg. of 1/32" ID Viton® Fluoroelastomer Tubing (Shore A60), 4 1/2" Lg. of 1/16" ID Viton® Fluoroelastomer Tubing (Shore A60), 4 1/2" Lg. of 1/8" ID Viton® Fluoroelastomer Tubing (Shore A60)	000000000	000000
0.87 (1/16") 3.53 (1/8") 6.84 (3/16")	30	800	32° to 122°	Subfractional	0.03	5 1/2"	3 1/4"	3 3/4"	6" Lg. of 1/16" ID Viton® Fluoroelastomer Tubing (Shore A60), 6" Lg. of 1/8" ID Viton® Fluoroelastomer Tubing (Shore A60), 6" Lg. of 3/16" ID Viton® Fluoroelastomer Tubing (Shore A60)	000000000	000000
1.75 (1/16") 7.07 1/8") 13.68 (3/16")	30	800	32° to 122°	Subfractional	0.03	5 1/2"	3 1/4"	3 3/4"	6" Lg. of 1/16" ID Viton® Fluoroelastomer Tubing (Shore A60), 6" Lg. of 1/8" ID Viton® Fluoroelastomer Tubing (Shore A60), 6" Lg. of 3/16" ID Viton® Fluoroelastomer Tubing (Shore A60)	000000000	000000
22.80 (3/16") 38.00 (1/4")	15	500	32° to 122°	Subfractional	0.52	5"	5"	7"	6" Lg. of 3/16" ID Viton® Fluoroelastomer Tubing (Shore A60), 6" Lg. of 1/4" ID Viton® Fluoroelastomer Tubing (Shore A60)	000000000	000000
45.6 (3/16") 76.00 (1/4")	15	200	32° to 122°	Subfractional	0.65	5"	5"	7"	6" Lg. of 3/16" ID Viton® Fluoroelastomer Tubing (Shore A60), 6" Lg. of 1/4" ID Viton® Fluoroelastomer Tubing (Shore A60)	000000000	000000
228.00 (3/16") 380.00 (1/4")	15	50	32° to 122°	Subfractional	1.74	5"	5"	7"	6" Lg. of 3/16" ID Viton® Fluoroelastomer Tubing (Shore A60), 6" Lg. of 1/4" ID Viton® Fluoroelastomer Tubing (Shore A60)	000000000	000000
120V AC/240V AC,Single Phase—Plug
Norprene and Santoprene Rubber Wetted Parts Material
6.00 (1/8") 12.00 (3/16") 20.00 (1/4")	25	5,000	33° to 104°	Not Rated	2	5 5/8"	6 1/4"	5 3/4"	9" Lg. of 1/8" ID Norprene Tubing (Shore A60), 9" Lg. of 3/16" ID Norprene Tubing (Shore A60), 9" Lg. of 1/4" ID Norprene Tubing (Shore A60)	000000000	000000
26.00 (1/8") 56.00 (3/16") 91.00 (1/4")	25	5,000	33° to 104°	Not Rated	2	5 5/8"	6 1/4"	5 3/4"	9" Lg. of 1/8" ID Norprene Tubing (Shore A60), 9" Lg. of 3/16" ID Norprene Tubing (Shore A60), 9" Lg. of 1/4" ID Norprene Tubing (Shore A60)	000000000	000000
42.00 (1/8") 88.00 (3/16") 144.00 (1/4")	25	5,000	33° to 104°	Not Rated	2	5 5/8"	6 1/4"	5 3/4"	9" Lg. of 1/8" ID Norprene Tubing (Shore A60), 9" Lg. of 3/16" ID Norprene Tubing (Shore A60), 9" Lg. of 1/4" ID Norprene Tubing (Shore A60)	000000000	000000
77.00 (1/8") 162.00 (3/16") 265.00 (1/4")	25	5,000	33° to 104°	Not Rated	2	5 5/8"	6 1/4"	5 3/4"	9" Lg. of 1/8" ID Norprene Tubing (Shore A60), 9" Lg. of 3/16" ID Norprene Tubing (Shore A60), 9" Lg. of 1/4" ID Norprene Tubing (Shore A60)	000000000	000000
122.00 (1/8") 257.00 (3/16") 421.00 (1/4")	25	5,000	33° to 104°	Not Rated	2	5 5/8"	6 1/4"	5 3/4"	9" Lg. of 1/8" ID Norprene Tubing (Shore A60), 9" Lg. of 3/16" ID Norprene Tubing (Shore A60), 9" Lg. of 1/4" ID Norprene Tubing (Shore A60)	000000000	000000

Replacement Pump Heads

For Maximum Viscosity, cP		Each
300	000000000	000000
500	000000000	00000
1,000	000000000	00000
5,000	000000000	000000

Replacement Tubing

For PVDF Plastic and Viton® Fluoroelastomer Wetted Parts Material
For Flow Rate, gal./day		Each
0.02-0.11	000000000	000000
0.06-0.34	000000000	00000
0.24-1.25	000000000	00000
0.87-1.75	000000000	00000
3.53-7.07	000000000	00000
6.84-13.68	000000000	00000
22.8-228	000000000	00000
38-380	000000000	00000
For Norprene and Santoprene Wetted Parts Material
1-376	00000000	00000

Panel-Mount Fixed-Flow-Rate Metering Pumps for Chemicals

Install these pumps in a panel cutout. Often used in food and beverage, pharmaceutical, and lab applications, they dispense small amounts of liquid at a set rate. Pumps can be wired to a switch for manual operation, or a PLC for automated equipment. The removable pump head includes an intake tube that quickly connects to your line with barbed fittings (not included). To change lines, disconnect tubing and twist and pull the head off the motor. Then twist on a replacement head (sold separately). Pumps come in three colors for easy identification or to match your existing equipment. All are self-priming and create suction to draw liquid upward. Mount pumps up to 28 ft. above your liquid source. They can run dry.

						Overall
Flow Rate, ml/min.	Max. Pressure, psi	Max. Viscosity, cP	Temp. Range, °F	Horsepower	Current, A	Wd.	Ht.	Dp.		Each
Blue
24V DC
Hardwire
55	25	10,000	32° to 100°	1/150 hp	1.5	2 1/2"	2 1/2"	4 1/8"	00000000	0000000
160	25	10,000	32° to 100°	1/150 hp	1.5	2 1/2"	2 1/2"	4 1/8"	00000000	000000
Clear
24V DC
Hardwire
55	25	10,000	32° to 100°	1/150 hp	1.5	2 1/2"	2 1/2"	4 1/8"	00000000	000000
160	25	10,000	32° to 100°	1/150 hp	1.5	2 1/2"	2 1/2"	4 1/8"	00000000	000000
Green
24V DC
Hardwire
55	25	10,000	32° to 100°	1/150 hp	1.5	2 1/2"	2 1/2"	4 1/8"	00000000	000000
160	25	10,000	32° to 100°	1/150 hp	1.5	2 1/2"	2 1/2"	4 1/8"	00000000	000000

Green Replacement Pump Head	00000000	000000
Blue Replacement Pump Head	00000000	00000
Clear Replacement Pump Head	00000000	00000

High-Pressure Metering Pumps for Chemicals

These pumps can be used with pressures four times higher than standard pumps. An adjustment dial lets you alter flow rate in 2.5% increments of the maximum flow without the hassle of changing tubing. Often used in boiler feed systems and water treatment, they're compatible with chemicals such as cleaning fluids and acid-washing solutions. Pumps are self-priming and create suction to draw liquid upward. They can run dry.

Pumps
						Discharge		Overall						Replacement Pump Heads		Replacement Tubing
Flow Rate, gal./day	Max. Pressure, psi	Max. Viscosity, cP	Temp. Range, °F	Horsepower	Current, A	Tube ID	Tube OD	Lg.	Wd.	Ht.	Includes		Each		Each		Each
120V AC, Single Phase
Plug
0.3-5	100	1,500	35° to 125°	1/30 hp	1.7	3/16"	1/4"	11"	5"	6"	20-ft. Lg. of LDPE Plastic Intake/Discharge Tubing	0000000	0000000	0000000	0000000	0000000	000000
0.8-17	100	1,500	35° to 125°	1/30 hp	1.7	3/16"	1/4"	11"	5"	6"	20-ft. Lg. of LDPE Plastic Intake/Discharge Tubing	0000000	000000	0000000	000000	0000000	00000
2-40	100	1,500	35° to 125°	1/30 hp	1.7	3/16"	1/4"	11"	5"	6"	20-ft. Lg. of LDPE Plastic Intake/Discharge Tubing	0000000	000000	0000000	000000	0000000	00000

Metering Pumps for Chemicals

An adjustment screw lets you increase or decrease flow rate without the hassle of changing tubing. Often used in boiler feed systems and water treatment, these pumps are compatible with chemicals such as cleaning fluids and acid-washing solutions. Pumps are self-priming and create suction to draw liquid upward. They can run dry.

Pumps
						For Tube		Overall						Replacement Collars		Replacement Tubing
Flow Rate, gal./day	Max. Pressure, psi	Max. Viscosity, cP	Temp. Range, °F	Horsepower	Current, A	ID	OD	Lg.	Wd.	Ht.	Includes		Each		Each		Each
120V AC, Single Phase
Plug
2-12	25	200	35° to 100°	1/64 hp	0.3	3/16"	3/8"	8"	7"	6"	9" Lg. of Tygon Tubing (Shore A70)	00000000	0000000	00000000	000000	00000000	000000
3-20	25	200	35° to 100°	1/64 hp	0.3	1/4"	7/16"	8"	7"	6"	9" Lg. of Tygon Tubing (Shore A70)	00000000	000000	00000000	00000	00000000	00000

Replacement Pump Head

00000000

Each

000000

Inline Water-Powered Metering Pumps for Chemicals

Inject chemicals into your water supply without using electricity—these pumps install directly in your pipeline and activate when water flows into the pump head. They provide consistent metering regardless of pressure and flow changes and have an adjustment dial for altering dosing concentration. Pumps are often used with bleach, cleaning solutions, and water-treatment chemicals. All are self-priming and create suction to draw liquid upward. Do not use with solids.

					Intake			Discharge			Overall
Flow Rate, gpm	Max. Pressure, psi	Max. Viscosity, cP	Concentration Ratio	Max. Temp., °F	Pipe Size	Thread Type	Gender	Pipe Size	Thread Type	Gender	Dia.	Ht.	Includes		Each
0.05-14	85	200	1:500 to 1:50	100°	3/4	NPT	Male	3/4	NPT	Male	6 5/16"	19"	6-ft. PVC Plastic Intake Tube	0000000	0000000
0.05-14	85	200	1:3,000 to 1:333	100°	3/4	NPT	Male	3/4	NPT	Male	6 5/16"	21"	6-ft. PVC Plastic Intake Tube	0000000	00000000
0.05-14	85	1,700	1:100 to 1:10	100°	3/4	NPT	Male	3/4	NPT	Male	6 5/16"	19"	6-ft. PVC Plastic Intake Tube	0000000	00000000
0.05-14	85	1,700	1:200 to 1:20	100°	3/4	NPT	Male	3/4	NPT	Male	6 5/16"	19"	6-ft. PVC Plastic Intake Tube	0000000	00000000