Foot Valves | McMaster-Carr

	Pipe Size Pipe Size

1/2
3/4
1
1 1/4
1 1/2
2
3
4
6

	Screen Material Screen Material

Stainless Steel

Plastic

Iron

	For Use With For Use With

	Connection Style Connection Style

Threaded

Socket Connect

	Diameter Diameter

	Connection Material Connection Material

Bronze

Plastic

Iron

	Gender Gender

Female

Male

	Screen Opening Size Screen Opening Size

	Flow Pattern Flow Pattern

	3/2
	4/2
	5/2

	Inlet Pipe Size Inlet Pipe Size

	Return Actuation Return Actuation

Spring

Foot

	Maximum Pressure Maximum Pressure

	Maximum Temperature Maximum Temperature

	Minimum Temperature Minimum Temperature

	Height Height

	For Air Cylinder Type For Air Cylinder Type

Double Acting

Single Acting

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

DFARS Specialty Metals
COTS-Exempt

	Inlet Thread Type Inlet Thread Type

NPT

NPTF

BSPP

	Outlet Pipe Size Outlet Pipe Size

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

REACH Compliant

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

RoHS Compliant

	Gasket Material Gasket Material

Buna-N Rubber

Fluoroelastomer Rubber

Neoprene Rubber

	Number of Flow Ports Number of Flow Ports

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Matching Flow Diagrams to Replace an Air Directional Control Valve

Choosing an Air Directional Control Valve

For Use With:
Bronze Connection: Water
Iron Connection: Water and Oil
PVC Connection: Water, Oil, and Diesel Fuel
Max. Pressure:
Bronze Connection: 400 psi
Iron Connection: 10 psi
PVC Connection: 150 psi
Temp. Range:
Bronze Connection: 32° to 190° F
Iron Connection: 32° to 150° F
PVC Connection: 40° to 140° F

Also known as foot valves, these strainers stop particles from entering your line while preventing backward flow. They are commonly used with reservoirs and tanks.

Strainers with bronze or PVC connection have better corrosion resistance than strainers with an iron connection; bronze strainers are often used in water-delivery applications.

Strainers with two union end connections allow for easy access to your line; they come with either two threaded pipe connections or one socket-connect pipe connection and one threaded pipe connection.

Strainers with socket-connect pipe connection attach to unthreaded pipe with cement for a permanent, leak-tight connection.

Strainers with male and female threaded pipe connection have threads on the outside and inside of the fitting for connecting to either male or female threaded pipe.

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

With Bronze Female Threaded Pipe Connection

With Bronze Female
Threaded Pipe
Connection

Pipe Size	Thread Type	Ht.	Dia.	Gasket Material	Screen Material	Screen Opening Size		Each
3/4	NPT	3 3/4"	1 3/8"	Buna-N Rubber	430 Stainless Steel	7/64"	00000000	000000
1	NPT	4 3/4"	1 3/4"	Buna-N Rubber	430 Stainless Steel	7/64"	00000000	00000
1 1/4	NPT	5"	2 1/16"	Buna-N Rubber	430 Stainless Steel	7/64"	00000000	00000
1 1/2	NPT	6 5/16"	2 5/8"	Buna-N Rubber	430 Stainless Steel	7/64"	00000000	00000
2	NPT	7 3/16"	3 1/2"	Buna-N Rubber	430 Stainless Steel	7/64"	00000000	000000
3	NPT	9 1/2"	4 5/8"	Buna-N Rubber	430 Stainless Steel	7/64"	00000000	000000

With Bronze Male and Female Threaded Pipe Connection

With Bronze Male and
Female Threaded
Pipe Connection

Female Pipe Connection		Male Pipe Connection
Pipe Size	Thread Type	Pipe Size	Thread Type	Ht.	Dia.	Gasket Material	Screen Material	Screen Opening Size		Each
3/4	NPT	1	NPT	3 3/4"	1 5/16"	Buna-N Rubber	430 Stainless Steel	7/64"	00000000	000000
1	NPT	1 1/4	NPT	5"	1 5/8"	Buna-N Rubber	430 Stainless Steel	7/64"	00000000	00000
1 1/4	NPT	1 1/2	NPT	5"	1 15/16"	Buna-N Rubber	430 Stainless Steel	7/64"	00000000	00000

With Iron Female Threaded Pipe Connection

Strainers									Replacement Flappers
Pipe Size	Thread Type	Ht.	Dia.	Flapper Material	Screen Material	Screen Opening Size		Each		Each
1 1/2	NPT	4 1/8"	4 5/8"	Leather	Iron	5/16"	00000000	0000000	0000000	000000
2	NPT	5 1/4"	5 3/8"	Leather	Iron	5/16"	00000000	000000	0000000	00000
3	NPT	7 3/16"	7 5/8"	Leather	Iron	5/16"	00000000	000000	0000000	00000
4	NPT	8 7/8"	9 1/16"	Leather	Iron	5/16"	00000000	000000	0000000	00000
6	NPT	12"	11 7/16"	Leather	Iron	5/16"	00000000	000000	0000000	000000

With PVC Female Threaded Pipe Connection

With PVC Female
Threaded Pipe
Connection

Strainers												Replacement Screens
Pipe Size	Thread Type	Ht.	Dia.	Gasket Material	Screen Material	Screen OD	Screen Lg.	Features	Screen Opening Size		Each		Each
3	NPT	11 1/4"	6 9/16"	Fluoroelastomer Rubber	PVC Plastic	6 35/64"	2 1/2"	Two Union End Connections	3/16"	00000000	0000000	0000000	0000000
4	NPT	14 5/8"	8 9/16"	Fluoroelastomer Rubber	PVC Plastic	8 35/64"	4 1/4"	Two Union End Connections	3/16"	00000000	000000	0000000	000000

With PVC Female Threaded and Socket-Connect Pipe Connection

With PVC Female Threaded
and Socket-Connect
Pipe Connection

Strainers
Threaded Pipe Connection		Socket-Connect Pipe Connection												Replacement Screens
Pipe Size	Thread Type	Pipe Size	Type	Ht.	Dia.	Gasket Material	Screen Material	Screen OD	Screen Lg.	Features	Screen Opening Size		Each		Each
1/2	NPT	1/2	Cement	4 7/8"	2 1/4"	Fluoroelastomer Rubber	PVC Plastic	2 1/4"	2 5/16"	Two Union End Connections	3/16"	00000000	0000000	0000000	000000
3/4	NPT	3/4	Cement	5"	2 5/8"	Fluoroelastomer Rubber	PVC Plastic	2 5/8"	2 19/32"	Two Union End Connections	3/16"	00000000	000000	0000000	00000
1	NPT	1	Cement	5 7/8"	3"	Fluoroelastomer Rubber	PVC Plastic	3"	2 7/8"	Two Union End Connections	3/16"	00000000	000000	0000000	000000
1 1/4	NPT	1 1/4	Cement	6 15/16"	4"	Fluoroelastomer Rubber	PVC Plastic	4"	3 3/4"	Two Union End Connections	3/16"	00000000	000000	0000000	000000
1 1/2	NPT	1 1/2	Cement	7 1/16"	4"	Fluoroelastomer Rubber	PVC Plastic	4"	3 3/4"	Two Union End Connections	3/16"	00000000	000000	0000000	000000
2	NPT	2	Cement	8 9/16"	4 3/4"	Fluoroelastomer Rubber	PVC Plastic	4 3/4"	4 1/2"	Two Union End Connections	3/16"	00000000	000000	0000000	000000

Cut-to-Size Suction Strainers with Backflow-Prevention Valve

For Use With: Water
Temp. Range: 32° to 180° F

A convenient replacement part to keep on hand, this strainer has NPT male threads for a variety of pipe sizes. Use a hacksaw to remove the pipe sizes that are smaller than you need. Also known as a foot valve, this strainer stops particles from entering your line while preventing backward flow. It is commonly used with reservoirs and tanks. It has an acetal connection, which is corrosion resistant and lightweight.

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

Pipe Size	Thread Type	Gender	Ht.	Dia.	Connection Material	Screen Material	Screen Opening Size		Each
3/4, 1, 1 1/4, 1 1/2	NPT	Male	7"	1 15/16"	Acetal Plastic	Acetal Plastic	3/32"	00000000	000000

Two-Action Foot-Operated Air Directional Control Valves

Also known as 4-way and 4/2 valves, these valves create two actions, such as extending and then retracting a cylinder. Use your foot to operate them, leaving your hands free to perform other tasks. Valves direct airflow from the inlet to your equipment and exhaust return airflow to create motion. Valves without an exhaust connection exhaust air to the atmosphere.

Valves with spring return actuation return to their original position as soon you release the actuator.

Valves with a foot return actuation stay actuated and return to their original position only when you step on them again.

Optional safety guards prevent accidental valve actuation.

Flow coefficient (Cv) is a measurement that indicates how much airflow can pass through a valve.

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

Valves
									O'all						Optional Safety Guards		Replacement Seal Kits
	No. of Flow Ports	Inlet Size	Outlet Size	Exhaust Connection Type	Max. Flow Rate, scfm @ 100 psi	Flow Coefficient (Cv)	Pressure Range, psi	Vacuum Rating, in. of Hg	Lg.	Wd.	Ht.	Mounting Fasteners Included		Each		Each		Each
Threaded Female Inlet × Threaded Female Outlet
Spring Return Actuation
A	4	1/8 NPT	1/8 NPT	__	30	0.53	60-150	Not Rated	4 1/2"	3 1/2"	1 3/4"	No	0000000	0000000	000000	00	000000	00
B	4	1/4 NPTF	1/4 NPTF	Threaded	83	2.4	0-225	29	11 1/2"	3 1/2"	2 3/4"	No	0000000	000000	0000000	0000000	00000000	000000
B	4	3/8 NPTF	3/8 NPTF	Threaded	118	3.2	0-225	29	12 1/2"	3 1/2"	2 3/4"	No	0000000	000000	0000000	000000	00000000	00000
B	4	1/2 NPTF	1/2 NPTF	Threaded	185	5.2	0-215	29	14 1/2"	3 1/2"	3 3/8"	No	0000000	000000	0000000	000000	00000000	00000
Foot Return Actuation
C	4	1/4 NPTF	1/4 NPTF	Threaded	83	2.4	0-225	29	9 1/2"	3 1/4"	4 1/2"	No	0000000	000000	000000	00	00000000	00000
C	4	1/2 NPTF	1/2 NPTF	Threaded	185	5.2	0-215	29	12 1/8"	3 1/4"	4 7/8"	No	0000000	000000	000000	00	00000000	00000

Optional Guards for Style A Valves

000000

Each

000000

Two-Speed Two-Action Foot-Operated Air Directional Control Valves

Often used to extend and then retract a cylinder at different speeds, these valves create two actions and have two exhaust ports, which allows you to control the speed of each action by attaching a flow control valve to each exhaust port. Operate them with your foot, leaving your hands free to perform other tasks. Valves direct airflow from the inlet to your equipment and exhaust return airflow to create motion. The foot guard prevents accidental valve operation. Also known as 4-way and 5/2 valves.

Valves with spring return actuation go back to their original position as soon as you release the actuator.

Valves with a foot return actuation stay actuated and go back to their original position only when you step on them again.

Flow coefficient (Cv) is a measurement that indicates how much airflow can pass through a valve.

								Overall
No. of Flow Ports	Inlet Size	Outlet Size	Exhaust Connection Type	Max. Flow Rate	Flow Coefficient (Cv)	Pressure Range, psi	Vacuum Rating	Lg.	Wd.	Ht.	Mounting Fasteners Included		Each
Threaded Female Inlet × Threaded Female Outlet
Spring Return Actuation
5	1/4 NPT	1/4 NPT	Threaded	Not Rated	0.78	0-116	Not Rated	9 5/8"	5 3/8"	5 1/4"	No	0000000	000000
5	1/4 BSPP	1/4 BSPP	Threaded	30 scfm @ 100 psi	1.36	0-145	Not Rated	236mm	169mm	157mm	No	000000	000000
Foot Return Actuation
5	1/4 BSPP	1/4 BSPP	Threaded	30 scfm @ 100 psi	1.36	0-145	Not Rated	236mm	169mm	157mm	No	000000	000000

Single-Action Foot-Operated Air Directional Control Valves

One Valve

Two Valves

Also known as 3-way or 3/2 valves, these valves create one action, such as extending a cylinder. Use your foot to operate them, leaving your hands free to perform other tasks. Valves direct airflow from the inlet to your equipment and exhaust return airflow to create motion. They're normally closed to normally block airflow, and remain closed until actuated. Return actuation is by spring, so they go back to their original position as soon as you release the actuator. In the off position, they exhaust air pressure from the system to the atmosphere, allowing equipment to reset so the action can be repeated.

Flow coefficient (Cv) is a measurement that indicates how much airflow can pass through a valve.

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

Valves
								Overall						Optional Guards for Foot Switches
No. of Valves	No. of Flow Ports	Inlet Size	Outlet Size	Max. Flow Rate, scfm @ 100 psi	Flow Coefficient (Cv)	Pressure Range, psi	Vacuum Rating	Lg.	Wd.	Ht.	Mounting Fasteners Included		Each		Each
Threaded Female Inlet × Threaded Female Outlet
1	3	1/8 NPT	1/8 NPT	30	0.53	60-150	Not Rated	2 7/8"	2 1/2"	1 3/8"	No	0000000	000000	000000	000000
1	3	1/8 NPT	1/8 NPT	30	0.53	60-150	Not Rated	4 1/2"	3 1/2"	1 3/4"	No	0000000	000000	000000	00000
2	3	1/8 NPT	1/8 NPT	30	0.53	60-150	Not Rated	2 7/8"	5 3/4"	1 1/2"	No	0000000	000000	0000000	00000
2	3	1/8 NPT	1/8 NPT	30	0.53	60-150	Not Rated	4 1/2"	8 3/8"	1 7/8"	No	0000000	000000	0000000	00000

Foot-Operated Air On/Off Valves

Turn airflow on and off with your foot to keep your hands free to perform other tasks. Step on the valve to allow airflow; release the valve to stop the flow. The nonskid base prevents the valve from slipping.

Flow coefficient (Cv) is a measurement that indicates how much airflow can pass through a valve.

Optional guards prevent accidental valve actuation. Those that are 6 1/4” high can accommodate safety footwear.

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

Valves

			Flow Rate @ 100 psi				Overall
Inlet Pipe Size	Outlet Pipe Size	Flow Coefficient (Cv)	Min.	Max.	Max. Pressure, psi	Temp. Range, °F	Lg.	Wd.	Ht.	Features		Each
NPT Female Inlet × NPT Female Outlet
Cast Iron Body
1/8	1/8	0.48	0 scfm	30 scfm	150	0° to 130°	4 9/16"	3 7/16"	1 3/4"	Nonskid Base	0000000	0000000
Steel Body
1/8	1/8	Not Rated	Not Rated	30 scfm	150	0° to 130°	2 7/8"	2 3/4"	1 3/8"	Nonskid Base	0000000	00000

Optional Guards for Valves with Cast Iron Body

Height	Width	Depth	Material		Each
5"	6"	6"	Steel	000000	000000
6 1/4"	6"	6"	Steel	000000	00000

Hands-Free Sink Faucet Control Valves

Floor Mount, One Foot Pedal

Floor Mount, Two Foot Pedals

Wall Mount, One Foot Pedal

Wall Mount, Two Foot Pedals

Sink Mount, One Foot Pedal

Sink Mount, One Knee Pedal

Sink Mount, Two Knee Pedals

Sink Mount, Two Foot Pedals

Press these valves with your foot or knee for water; release them to stop the flow. They are compliant with regulations for drinking (potable) water.

Valves with two pedals have separate controls for hot and cold. Press both to mix temperatures.

Valves
Pedals				Inlet				Outlet						Replacement Pedals
No. of	Lg.	Style	Material	Pipe Size	Thread Type	Gender	Hole Ctr.-to-Ctr.	Pipe Size	Thread Type	Gender	Mounting Hardware Included		Each		Each
Floor Mount
1	2 1/2"	Foot	Chrome-Plated Brass	1/2	NPT	Female	__	1/2	NPT	Female	Yes	000000	0000000	0000000	000000
2	2 1/2"	Foot	Chrome-Plated Brass	1/2	NPT	Female	2 1/2"	1/2	NPT	Female	Yes	000000	000000	0000000	00000
Wall Mount
1	11 1/2"	Foot	Chrome-Plated Brass	1/2	NPT	Female	__	1/2	NPT	Female	Yes	000000	000000	0000000	00000
2	11 1/2"	Foot	Chrome-Plated Brass	1/2	NPT	Female	2 1/2"	1/2	NPT	Female	Yes	000000	000000	0000000	00000
Sink Mount
1	6 1/2"	Knee	Chrome-Plated Brass	1/2	NPT	Female	__	1/2	NPT	Female	Yes	0000000	000000	0000000	00000
1	7"	Foot	Chrome-Plated Brass	1/2	NPT	Female	__	1/2	NPT	Female	Yes	0000000	000000	0000000	00000
2	6 1/2"	Knee	Chrome-Plated Brass	1/2	NPT	Female	2 1/2"	1/2	NPT	Female	Yes	0000000	000000	0000000	00000
2	7"	Foot	Chrome-Plated Brass	1/2	NPT	Female	2 1/2"	1/2	NPT	Female	Yes	0000000	000000	0000000	00000

Valve Repair Kit	000000	Each	000000
Valve Replacement Cartridges (Hot/Cold)	000000	Each	00000