Valve Actuators | McMaster-Carr

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1,431 in·lbf @ 80 psi

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40 psi to 115 psi

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50 Products

Air Actuators for Flow-Control Valves

These actuators are original manufacturer replacements for Duravalve and RuB valves.

You must control the air to the actuator using either an electric pilot valve (not included) or a manual on/off valve (not included).

Single Acting—Single-acting actuators only require air pressure when actuated; they automatically spring closed when the air turns off.

Double Acting—Double-acting actuators require air pressure to open and close.


Duravalve DM 240







	Single Acting: Air-to-Open, Spring Return

	AS7212	2864N2	0000000


	AS7213	2864N4	000000
	AS7214	2864N5	000000
	AS7216	2864N7	000000
	AS7217	2864N8	000000




			Double Acting: Air-to-Open, Air-to-Close

			AS7202	2864N1	000000


			AS7204	2864N3	000000
			AS7207	2864N6	000000


			RuB S.6439







						Single Acting: Air-to-Open, Spring Return

						EA2R64D39-001	2872N13	000000


						EA2R64E39-001	2872N14	000000
						EA2R64F39-001	2872N15	000000
						EA3R64G39-001	2872N16	000000
						EA3R64H39-001	2872N17	000000
						EA3R64I39-001	2872N18	000000




								Double Acting: Air-to-Open, Air-to-Close

								EA1D64F39-001	2872N11	000000


								EA3D64G39-001	2872N12	000000

Universal Air Actuators for Flow-Control Valves

Attach these actuators to manual ball valves, butterfly valves, and plug valves with an ISO 5211 hole pattern to automatically start and stop flow with compressed air.

You must control the air to the actuator using either an electric pilot valve (not included) or a manual on/off valve (not included). Use valve stem adapters to mount actuators to smaller ISO 5211 valve stems.

Single Acting: Air-to-Open, Spring Return

Single-acting actuators only require air pressure when actuated; they automatically spring closed when the air turns off.

						Air Connection
Torque @ Pressure	Spring Close Torque, in·lbf	Specs. Met	ISO Actuator Mounting Pattern	For Stem Size, mm	Housing Material	Pipe Size	Gender	Thread Type	Air Pressure Range, psi	Temp. Range, ° F	Lg.	Wd.	Ht.		Each



	83 in·lbf @ 80 psi	71	ISO 5211	F04	11	Aluminum	1/8	Female	NPT	40 to 115	32 to 175	6 1/2"	2 11/16"	3 5/8"	49935K82	0000000


	160 in·lbf @ 80 psi	114	ISO 5211	F05, F07	14	Aluminum	1/8	Female	NPT	40 to 150	0 to 175	7 5/8"	3 3/8"	4 1/4"	49935K64	000000
	282 in·lbf @ 80 psi	215	ISO 5211	F05, F07, F10	19	Aluminum	1/4	Female	NPT	40 to 115	32 to 175	9 5/16"	4 3/16"	5 1/16"	49935K88	000000

Accessories for Valve Actuators

Pilot valves control the air to the actuator.

Limit switches change the position of the visual dome indicator and send an electrical signal to trigger alarms or other equipment when the actuator opens or closes the valve. The indicator displays green when the valve is open and red when the valve is closed. Switches attach to the top of the actuator with the included mounting bracket. All meet NEMA 4X for protection from washdowns, splashing water, corrosive liquid, and dust.

		Each
120V AC Pilot Valve	49935K95	0000000
Limit Switch for Two-Way Valves	2637N1	000000
Limit Switch for Three-Way Valves	2637N2	000000

Double Acting: Air-to-Open, Air-to-Close

Double-acting actuators require air pressure to open and close.

					Air Connection
Torque @ Pressure	Specs. Met	ISO Actuator Mounting Pattern	For Stem Size, mm	Housing Material	Pipe Size	Gender	Thread Type	Air Pressure Range, psi	Temp. Range, ° F	Lg.	Wd.	Ht.		Each



	187 in·lbf @ 80 psi	ISO 5211	F04	11	Aluminum	1/8	Female	NPT	40 to 150	0 to 175	6 1/2"	2 11/16"	3 5/8"	49935K91	0000000


	327 in·lbf @ 80 psi	ISO 5211	F05, F07	14	Aluminum	1/8	Female	NPT	40 to 115	32 to 175	7 5/8"	3 3/8"	4 1/4"	49935K74	000000
	703 in·lbf @ 80 psi	ISO 5211	F05, F07, F10	19	Aluminum	1/4	Female	NPT	40 to 115	32 to 175	9 5/16"	4 3/16"	5 1/16"	49935K78	000000
	1,431 in·lbf @ 80 psi	ISO 5211	F07, F10	19	Aluminum	1/4	Female	NPT	40 to 115	32 to 175	11 1/2"	4 9/16"	6 1/16"	49935K75	000000

Accessories for Valve Actuators

Pilot valves control the air to the actuator.

		Each
120V AC Pilot Valve	49935K95	0000000
Limit Switch for Two-Way Valves	2637N1	000000
Limit Switch for Three-Way Valves	2637N2	000000

Motor-Driven Valve Actuators

Use electricity to start and stop flow to valves automatically. They adhere to standard ISO 5211 dimensions for mounting to valves. Use valve stem adapters to mount actuators to smaller ISO 5211 valve stems.

To prevent electrical burnout from excessive and unexpected loads, these actuators have a torque limiter. They also have a manual override, so you can continue to operate the actuator during power outages. These actuators have single pole, double throw (SPDT) auxiliary switches, which allow you to connect them to temperature-monitoring equipment, programmable logic controllers (PLCs), or conveyor sirens. A flow indicator on the top of the actuator shows whether the valve is open or closed. When the valve is actuated, an internal heater will automatically turn on to prevent motor damage from condensation buildup.

Fail Closed—Fail-closed actuators have a battery that will switch the actuator to the closed position if power is lost, protecting downstream equipment from excessive pressure.

Fail in Place—Fail-in-place actuators will remain in their current position if power is lost.

Nylon Housing—Nylon actuators resist cleaners and other chemicals better than aluminum actuators. IP and NEMA rated, they protect against dust and washdowns.

Aluminum Housing—Aluminum actuators stand up to impact better than nylon actuators. They are IP and NEMA rated, so they protect against dust, washdowns, and have the highest rating for submersion.

IP67 Enclosure Rating—IP67-rated actuators also keep out water when submerged.

	Actuation Time, sec.	Specs. Met	ISO Actuator Mounting Pattern	For Stem Size, mm	Housing Material	Freq., Hz	Wire Connection	Temp. Range, ° F	Lg.	Wd.	Ht.	Enclosure Rating		Each
100-240V AC—Fail in Place



	133	10	ISO 5211	F03, F04	11	Nylon	50, 60	Screw Terminal	0 to 130	6 3/8"	4 13/16"	5 9/16"	IP65, NEMA 4	4333N11	0000000


	150	9	ISO 5211	F03, F05	11	Aluminum	50, 60	Screw Terminal	0 to 130	6 1/8"	5 3/8"	7"	IP68, NEMA 4X	4333N17	000000
	530	9	ISO 5211	F05, F07	14	Nylon	50, 60	Screw Terminal	0 to 130	8 7/16"	7 1/4"	8 7/16"	IP67, NEMA 4X	4333N13	000000
	530	9	ISO 5211	F07, F10	14	Aluminum	50, 60	Screw Terminal	0 to 130	7 3/4"	6 15/16"	8 5/8"	IP68, NEMA 4X	4333N19	000000
	1,680	27	ISO 5211	F07, F10	17	Nylon	50, 60	Screw Terminal	0 to 130	9 5/16"	8 5/16"	9 1/8"	IP67, NEMA 4X	4333N15	000000
	1,680	27	ISO 5211	F07, F10	17	Aluminum	50, 60	Screw Terminal	0 to 130	10 5/8"	10 7/16"	12 5/16"	IP68, NEMA 4X	4333N22	00000000


	100-240V AC—Fail Closed



			150	9	ISO 5211	F03, F05	11	Aluminum	50, 60	Screw Terminal	0 to 130	6 1/8"	5 3/8"	7"	IP68, NEMA 4X	4333N24	00000000


			530	9	ISO 5211	F07, F10	14	Aluminum	50, 60	Screw Terminal	0 to 130	7 3/4"	6 15/16"	8 5/8"	IP68, NEMA 4X	4333N26	00000000
			1,680	27	ISO 5211	F07, F10	17	Aluminum	50, 60	Screw Terminal	0 to 130	10 5/8"	10 7/16"	12 5/16"	IP68, NEMA 4X	4333N28	00000000


			24V AC, 24V DC—Fail in Place



					133	10	ISO 5211	F03, F04	11	Nylon	50, 60	Screw Terminal	0 to 130	6 3/8"	4 13/16"	5 9/16"	IP65, NEMA 4	4333N12	000000


					150	9	ISO 5211	F03, F05	11	Aluminum	50, 60	Screw Terminal	0 to 130	6 1/8"	5 3/8"	7"	IP68, NEMA 4X	4333N18	000000
					530	9	ISO 5211	F05, F07	14	Nylon	50, 60	Screw Terminal	0 to 130	8 7/16"	7 1/4"	8 7/16"	IP67, NEMA 4X	4333N14	000000
					530	9	ISO 5211	F07, F10	14	Aluminum	50, 60	Screw Terminal	0 to 130	7 3/4"	6 15/16"	8 5/8"	IP68, NEMA 4X	4333N21	000000
					1,680	27	ISO 5211	F07, F10	17	Nylon	50, 60	Screw Terminal	0 to 130	9 5/16"	8 5/16"	9 1/8"	IP67, NEMA 4X	4333N16	000000
					1,680	27	ISO 5211	F07, F10	17	Aluminum	50, 60	Screw Terminal	0 to 130	10 5/8"	10 7/16"	12 5/16"	IP68, NEMA 4X	4333N23	00000000


					24V AC, 24V DC—Fail Closed



							150	9	ISO 5211	F03, F05	11	Aluminum	50, 60	Screw Terminal	0 to 130	6 1/8"	5 3/8"	7"	IP68, NEMA 4X	4333N25	000000


							530	9	ISO 5211	F07, F10	14	Aluminum	50, 60	Screw Terminal	0 to 130	7 3/4"	6 15/16"	8 5/8"	IP68, NEMA 4X	4333N27	00000000
							1,680	27	ISO 5211	F07, F10	17	Aluminum	50, 60	Screw Terminal	0 to 130	10 5/8"	10 7/16"	12 5/16"	IP68, NEMA 4X	4333N29	00000000

Motor-Driven Flow-Adjustment Valve Actuators

Automatically start, stop, and adjust flow through valves. These actuators receive analog signals from a programmable logic controller (PLC) to regulate flow by controlling how far the valve opens and closes. They adhere to standard ISO 5211 dimensions for mounting to valves. Use valve stem adapters to mount actuators to smaller ISO 5211 valve stems.

To prevent electrical burnout from excessive and unexpected loads, these actuators have a torque limiter. They also have a manual override, so you can continue to operate the actuator during power outages. If power is lost, the actuator will remain in its current position. This is known as fail in place. They also have single pole, double throw (SPDT) auxiliary switches, which allow you to connect these actuators to temperature-monitoring equipment, PLCs, or conveyor sirens. A flow indicator on the top of the actuator shows whether the valve is open or closed. To prevent motor damage from condensation buildup, an internal heater will automatically turn on when the valve is actuated.

Rated IP68 and NEMA 4X, these actuators protect against dust, submersion, and washdown.

										Input
	Torque, in·lbf	Actuation Time, sec.	Specs. Met	ISO Actuator Mounting Pattern	For Stem Size, mm	Housing Material	Freq., Hz	Wire Connection	Temp. Range, ° F	Signal, mA	Voltage, V DC	Lg.	Wd.	Ht.	Enclosure Rating		Each
100-240V AC—Fail in Place



		150	9	ISO 5211	F03, F05	11	Aluminum	50, 60	Screw Terminal	0 to 130	4 to 20	0 to 10	6 1/8"	5 3/8"	7"	IP68, NEMA 4X	4328N11	0000000


		530	9	ISO 5211	F07, F10	14	Aluminum	50, 60	Screw Terminal	0 to 130	4 to 20	0 to 10	7 3/4"	6 15/16"	8 5/8"	IP68, NEMA 4X	4328N13	00000000
		1,680	27	ISO 5211	F07, F10	17	Aluminum	50, 60	Screw Terminal	0 to 130	4 to 20	0 to 10	10 5/8"	10 7/16"	12 5/16"	IP68, NEMA 4X	4328N15	00000000


		24V AC, 24V DC—Fail in Place



				150	9	ISO 5211	F03, F05	11	Aluminum	50, 60	Screw Terminal	0 to 130	4 to 20	0 to 10	6 1/8"	5 3/8"	7"	IP68, NEMA 4X	4328N12	000000


				530	9	ISO 5211	F07, F10	14	Aluminum	50, 60	Screw Terminal	0 to 130	4 to 20	0 to 10	7 3/4"	6 15/16"	8 5/8"	IP68, NEMA 4X	4328N14	00000000
				1,680	27	ISO 5211	F07, F10	17	Aluminum	50, 60	Screw Terminal	0 to 130	4 to 20	0 to 10	10 5/8"	10 7/16"	12 5/16"	IP68, NEMA 4X	4328N16	00000000