Electronic/Pneumatic Solenoid Valves
Cost-Effective Components for Reliable Flow and Pressure Control
STC’s high performance solenoid and air-pilot activated valves offer reliability, high-flow rates, compact and rugged designs, low power consumption, high-speed response, long life cycle, DIN connections with built-in surge suppression, and indicator lights. Numerous options, including built-in push-in fittings, manifolds, pre-wired electric connections, and namur valves are available. Installation, maintenance, and control are simple! For a list of functions for STC Solenoid Valves, check out the Solenoid Valve Guide at the bottom of this page.
Explore STC Valves, Fittings, and Air Control Products
Solenoid Valves
2P025-1/8 – 1/8″ NPT – Cv = 0.23 – 22 SCFM @ 100PSI
2P025-1/4 – 1/4″ NPT – Cv = 0.23 – 22 SCFM @ 100PSI
Voltage:
1 = 12VDC
2 = 24VDC
2A = 24VAC
3 = 110VAC
4 = 220VAC (50/60Hz)
Electrical Connection: G = Grommet, D = DIN (with LED)
Port/Position/Solenoid: 2/2/1
Two Way, Direct Acting
Operating Temp: 14-140 deg. F
Operating Pressure: Vacuum – 115PSI
Response Time: <20ms
Power Rating: 3W for 40PSI, 4.8W for 60PSI, 6.5W for 115PSI
2V025-1/8 – 1/8″ NPT – Cv = 0.23 – 22 SCFM @ 100PSI
2V025-1/8 – 1/4″ NPT – Cv = 0.23 – 22 SCFM @ 100PSI
Voltage:
1 = 12VDC
2 = 24VDC
2A = 24VAC
3 = 110VAC
4 = 220VAC (50/60Hz)
Electrical Connection: G = Grommet, D = DIN (with LED)
Port/Position/Solenoid: 2/2/1
Two Way, Direct Acting
Normally Closed
Operating Temp: 14-140 deg. F
Operating Pressure: Vacuum – 115PSI
Response Time: <20ms
Power Rating: 3W for 40PSI, 4.8W for 60PSI, 6.5W for 115PSI
2V035-1/8 – 1/8″ NPT – 10-32 Exh. – Cv = 0.055 SCFM @ 100PSIOrifice: 1mm
2V035-1/4 – 1/4″ NPT – 10-32 Exh. – Cv = 0.055 SCFM @ 100PSIOrifice: 1mm
Voltage:
1 = 12VDC
2 = 24VDC
2A = 24VAC
3 = 110VAC
4 = 220VAC (50/60Hz)
Electrical Connection: G = Grommet, D = DIN (with LED)
Port/Position/Solenoid: 3/2/1
Three Way, Direct Acting
Normally Closed or Open
Operating Temp: 14-140 deg. F
Operating Pressure: Vacuum – 115PSI
Response Time: <20ms
Power Rating: 3W for 40PSI, 4.8W for 60PSI, 6.5W for 115PSI
2V1-1/8 – 1/8″ NPT – Cv = 0.23 – 22 SCFM @ 100PSI
Voltage:
1 = 12VDC
2 = 24VDC
2A = 24VAC
3 = 110VAC
4 = 220VAC (50/60Hz)
Electrical Connection: G = Grommet, D = DIN (with LED)
Port/Position/Solenoid: 2/2/1
Two Way, Direct Acting
Normally Closed
Stacking
Operating Temp: 14-140 deg. F
Operating Pressure: Vacuum – 115PSI
Response Time: <20ms
Power Rating: 3W for 40PSI, 4.8W for 60PSI, 6.5W for 115PSI
3V1-1/8 – 1/8″ NPT – 10-32 Exh. – Cv = 0.055 SCFM @ 100PSIOrifice: 1mm
Voltage:
1 = 12VDC
2 = 24VDC
2A = 24VAC
3 = 110VAC
4 = 220VAC (50/60Hz)
Electrical Connection: G = Grommet, D = DIN (with LED)
Port/Position/Solenoid: 3/2/1
Three Way, Direct Acting
Normally Closed or Open
Stacking
Operating Temp: 14-140 deg. F
Operating Pressure: Vacuum – 115PSI
Response Time: <20ms
Power Rating: 3W for 40PSI, 4.8W for 60PSI, 6.5W for 115PSI
Three Way, Two Position, Single Solenoid Valves (3/2/1)
Three Way, Two Position, Double Solenoid Valves (3/2/2)
3V120-1/8 – 1/8″ NPT – Cv = 0.67 – 25 SCFM @ 100PSI
3V220-1/4 – 1/4″ NPT – Cv = 0.89 – 53 SCFM @ 100PSI
3V320-3/8 – 3/8″ NPT – Cv = 1.68 – 80 SCFM @ 100PSI
3V420-1/2 – 1/2″ NPT – Cv = 2.79 – 160 SCFM @ 100PSI
Voltage:
1 = 12VDC
2 = 24VDC
2A = 24VAC
3 = 110VAC
4 = 220VAC (50/60Hz)
Electrical Connection: G = Grommet, D = DIN (with LED)
Port/Position/Solenoid: 3/2/2
Three Way Valve
Two Position
Double Solenoid
Standard: Normally Closed (NC)
Operating Temp: 14-140 deg. F
Operating Pressure: 21 – 115PSI
Response Time: <20ms
Power Rating: 2.5W / 3W / 4.8W
Five Port, Four Way, Two Position, Single Solenoid Valves (5/2/1)
4V110-1/8 – 1/8″ NPT – Cv = 0.67 – 25 SCFM @ 100PSI
4V210-1/4 – 1/4″ (inlet/outlet) 1/8″ (exhaust) – Cv = 0.89 – 53 SCFM @ 100PSI
4V310-1/4 – 1/4″ (inlet/outlet) 1/4″ (exhaust) – Cv = 1.68 – 80 SCFM @ 100PSI
4V310-3/8 – 3/8″ (inlet/outlet) 1/4 (exhaust) – Cv = 1.68 – 80SCFM @ 100PSI
4V410-1/2 – 1/2″ NPT – Cv = 2.79 – 160SCFM @ 100PSI
Voltage:
1 = 12VDC
2 = 24VDC
2A = 24VAC
3 = 110VAC
4 = 220VAC (50/60Hz)
Electrical Connection: G = Grommet, D = DIN (with LED)
Port/Position/Solenoid: 5/2/1
Four Way Valve
Operating Temp: 14-140 deg. F
Operating Pressure: 21 – 115PSI
Response Time: <20ms
Power Rating: 2.5W / 3W / 4.8W
Five Port, Four Way, Two Position, Double Solenoid Valves (5/2/2)
4V120-1/8 – 1/8″ NPT – Cv = 0.67 – 25 SCFM @ 100PSI
4V220-1/4 – 1/4″ (inlet/outlet) 1/8″ (exhaust) – Cv = 0.89 – 53 SCFM @ 100PSI
4V320-1/4 – 1/4″ (inlet/outlet) 1/4″ (exhaust) – Cv = 1.68 – 80 SCFM @ 100PSI
4V320-3/8 – 3/8″ (inlet/outlet) 1/4″ (exhaust) – Cv = 1.68 – 80 SCFM @ 100PSI
4V420-1/2 – 1/2″ NPT – Cv = 2.79 – 160 SCFM @ 100PSI
Voltage:
1 = 12VDC
2 = 24VDC
2A = 24VAC
3 = 110VAC
4 = 220VAC (50/60Hz)
Electrical Connection: G = Grommet, D = DIN (with LED)
Port/Position/Solenoid: 5/2/2
Four Way Valve
Operating Temp: 14-140 deg. F
Operating Pressure: 21 – 115PSI
Response Time: <20ms
Power Rating: 2.5W / 3W / 4.8W
Five Port, Four Way, Three Position, Double Solenoid Valves (5/3/2)
4V130C-1/8 – 1/8″ NPT – Cv = 0.67 – 25 SCFM @ 100PSI
4V230C-1/4 – 1/4″ (inlet/outlet) 1/8″ (exhaust) – Cv = 0.89 – 53 SCFM @ 100PSI
4V330C-3/8 – 3/8″ (inlet/outlet) 1/4″ (exhaust) – Cv = 1.68 – 80 SCFM @ 100PSI
4V430C-1/2 – 1/2″ NPT – Cv = 2.79 – 160SCFM @ 100PSI
Voltage:
1 = 12VDC
2 = 24VDC
2A = 24VAC
3 = 110VAC
4 = 220VAC (50/60Hz)
Electrical Connection: G = Grommet, D = DIN (with LED)
Port/Position/Solenoid: 5/3/2
Four Way Valve
Three Position
Double Solenoid
Operating Temp: 14-140 deg. F
Operating Pressure: 21 – 115PSI
Response Time: <20ms
Power Rating: 2.5W / 3W / 4.8W
Five Port, Four Way, Three Position, Double Solenoid Valves (5/3/2)
4V130E-1/8 – 1/8″ NPT – Cv = 0.67 – 25 SCFM @ 100PSI
4V230E-1/4 – 1/4″ (inlet/outlet) 1/8″ (exhaust) – Cv = 0.89 – 53 SCFM @ 100PSI
4V330E-3/8 – 3/8″ (inlet/outlet) 1/4″ (exhaust) – Cv = 1.68 – 80 SCFM @ 100PSI
4V430E-1/2 – 1/2″ NPT – Cv = 2.79 – 160 SCFM @ 100PSI
Voltage:
1 = 12VDC
2 = 24VDC
2A = 24VAC
3 = 110VAC
4 = 220VAC (50/60Hz)
Electrical Connection: G = Grommet, D = DIN (with LED)
Port/Position/Solenoid: 5/3/2
Four Way Valve
Three Position
Double Solenoid
Operating Temp: 14-140 deg. F
Operating Pressure: 21 – 115PSI
Response Time: <20ms
Power Rating: 2.5W / 3W / 4.8W
Five Port, Four Way, Three Position, Double Solenoid Valves (5/3/2)
4V130P-1/8 – 1/8″ NPT – Cv = 0.67 – 25 SCFM @ 100PSI
4V230P-1/4 – 1/4″ (inlet/outlet) 1/8″ (exhaust) – Cv = 0.89 – 53 SCFM @ 100PSI
4V330P-3/8 – 3/8″ (inlet/outlet) 1/4″ (exhaust) – Cv = 1.68 – 80 SCFM @ 100PSI
4V430P-1/2 – 1/2″ NPT – Cv = 2.79 – 160SCFM @ 100PSI
Voltage:
1 = 12VDC
2 = 24VDC
2A = 24VAC
3 = 110VAC
4 = 220VAC (50/60Hz)
Electrical Connection: G = Grommet, D = DIN (with LED)
Port/Position/Solenoid: 5/3/2
Four Way Valve
Three Position
Double Solenoid
Pressure Center
Operating Temp: 14-140 deg. F
Operating Pressure: 21 – 115PSI
Response Time: <20ms
Power Rating: 2.5W / 3W / 4.8W
Five Port, Four Way, Two Position, Single Solenoid NAMUR Valves (5/2/1)
4V210-1/4B – 1/4″ (inlet) 1/8″ (exhaust) – Cv = 0.8953 SCFM @ 100PSI
4V310-1/4B – 1/4″ (inlet) 1/4″ (exhaust) – Namur – Cv = 1.68 – 80 SCFM @ 100PSI
4V310-3/8B – 3/8″ (inlet) 1/4″ (exhaust) – Namur – Cv = 1.68 – 80 SCFM @ 100PSI
Voltage:
1 = 12VDC
2 = 24VDC
2A = 24VAC
3 = 110VAC
4 = 220VAC (50/60Hz)
Electrical Connection: G = Grommet, D = DIN (with LED), E = Explosion Proof Coil, IS = Intrinsically Safe (24VDC Only)
Port/Position/Solenoid: 5/2/1
Four Way Valve
Two Position
Single Solenoid
Actuator Mount (NAMUR)
Operating Temp: 14-140 deg. F
Operating Pressure: 21 – 115PSI
Response Time: <20ms
Power Rating: 3W / 4.8W
Pilot Operated Air Valves: Body Ported Type
3 Way 2 Position Single Pilot Air Valve
3A110-1/8 – 1/8″ NPT – Cv = 0.67 – 25 SCFM @ 100PSI
3A210-1/4 – 1/4″ NPT – Cv = 0.78 – 53 SCFM @ 100PSI
3A310-3/8 – 3/8″ NPT – Cv = 1.68 – 80 SCFM @ 100PSI
3A410-1/2 – 1/2″ NPT – Cv = 2.79 – 160 SCFM @ 100PSI
# Ways/Port/Position/Pilot: 3/3/2/1
Operating Pressure: Valve: 0 – 115PSI, Pilot: 40PSI
3 Way 2 Position Double Pilot Air Valve
3A120-1/8 – 1/8″ NPT – Cv = 0.67 – 25 SCFM @ 100PSI
3A220-1/4 – 1/4″ NPT – Cv = 0.78 – 53 SCFM @ 100PSI
3A320-3/8 – 3/8″ NPT – Cv = 1.68 – 80 SCFM @ 100PSI
3A420-1/2 – 1/2″ NPT – Cv = 2.79 – 160 SCFM @ 100PSI
# Ways/Port/Position/Pilot: 3/3/2/2
Operating Pressure: Valve: 0 – 115PSI, Pilot: 40PSI
4 Way 2 Position Single Pilot Air Valve
4A110-1/8 – 1/8″ NPT – Cv = 0.67 – 25 SCFM @ 100PSI
4A210-1/4 – 1/4″ (inlet/outlet) 1/8″(exhaust) – Cv = 0.78 – 53 SCFM @ 100PSI
4A310-3/8 – 3/8″ (inlet/outlet) 1/4″ (exhaust) – Cv = 1.68 – 80 SCFM @ 100PSI
4A410-1/2 – 1/2″ NPT – Cv = 2.79 – 160 SCFM @ 100PSI
# Ways/Port/Position/Pilot: 4/5/2/1
Operating Pressure: Valve: 0 – 115PSI, Pilot: 40PSI
4 Way 2 Position Double Pilot Air Valve
4A120-1/8 – 1/8″ NPT – Cv = 0.67 – 25 SCFM @ 100PSI
4A220-1/4 – 1/4″ (inlet/outlet) 1/8″ (exhaust) – Cv = 0.78 – 53 SCFM @ 100PSI
4A320-3/8 – 3/8″ (inlet/outlet 1/4″ (exhaust) – Cv = 1.68 – 80 SCFM @ 100PSI
4A420-1/2 – 1/2″ NPT – Cv = 2.79 – 160 SCFM @ 100PSI
# Ways/Port/Position/Pilot: 4/5/2/2
Operating Pressure: Valve: 0 – 115PSI, Pilot: 40PSI
4 Way 3 Position Closed Center Double Pilot Air Valve
4A130C-1/8 – 1/8″ NPT – Cv = 0.67 – 25 SCFM @ 100PSI
4A230C-1/4 – 1/4″ (inlet/outlet) 1/8″(exhaust) – Cv = 0.78 – 53 SCFM @ 100PSI
4A330C-3/8 – 3/8″ (inlet/outlet) 1/4″ (exhaust) – Cv = 1.68 – 80 SCFM @ 100PSI
4A430C-1/2 – 1/2″ NPT – Cv = 2.79 – 160 SCFM @ 100PSI
# Ways/Port/Position/Pilot: 4/5/3/2 Closed Center
Operating Pressure: Valve: 0 – 115PSI, Pilot: 40PSI
4 Way 3 Position Exhausted Center Double Pilot Air Valve
4A130E-1/8 – 1/8″ NPT – Cv = 0.67 – 25 SCFM @ 100PSI
4A230E-1/4 – 1/4″ (inlet/outlet) 1/8″ (exhaust) – Cv = 0.78 – 53 SCFM @ 100PSI
4A330E-3/8 – 3/8″ (inlet/outlet 1/4″ (exhaust) – Cv = 1.68 – 80 SCFM @ 100PSI
4A430E-1/2 – 1/2″ NPT – Cv = 2.79 – 160 SCFM @ 100PSI
# Ways/Port/Position/Pilot: 4/5/3/2 Pressure Center
Operating Pressure: Valve: 0 – 115PSI, Pilot: 40PSI
4 Way 3 Position Pressure Center Double Pilot Air Valve
4A130P-1/8 – 1/8″ NPT – Cv = 0.67 – 25 SCFM @ 100PSI
# Ways/Port/Position/Pilot: 4/5/3/2 Exhaust Center
Operating Pressure: Valve: 0 – 115PSI, Pilot: 40PSI
Integrated Aluminum Base Mounted Manifolds
3V-100M
Port Size (NPT): 1/8″
No. Stations: 2, 4, 6, 8 or 16
Integrated Base for Mounting 3V-100 & 3A-100 Series Solenoid Valves
(Includes Mounting hardware and seal)
3V-200M
Port Size (NPT): 1/4″
No. Stations: 2, 4, 6, 8 or 16
Integrated Base for Mounting 3V-200 & 3A-200 Series Solenoid Valves
(Includes Mounting hardware and seal)
3V-300M
Port Size (NPT): 3/8″
No. Stations: 2, 4, 6, 8 or 16
Integrated Base for Mounting 3V-300 & 3A-300 Series Solenoid Valves
(Includes Mounting hardware and seal)
3V-400M
Port Size (NPT): 1/2″
No. Stations: 2, 4, 6, 8 or 16
Integrated Base for Mounting 3V-400 & 3A-400 Series Solenoid Valves
(Includes Mounting hardware and seal)
3V-100M-B
Blank Plate for 3V-100M Manifold
3V-200M-B
3V-300M-B
3V-400M-B
3V-100M-KIT
3V-200M-KIT
3V-300M-KIT
3V-400M-KIT
4V-100M
4V-200M
4V-300M
4V-400M
4V-100M-B
4V-200M-B
4V-300M-B
4V-400M-B
4V-100M-KIT
4V-200M-KIT
4V-300M-KIT
4V-400M-KIT
Solenoid Coils
100C
Voltage:
1 = 12VDC
2 = 24VDC
2A = 24VAC
3 = 110VAC
4 = 220VAC (50/60Hz)
Elecrical Connection: D = DIN (with LED indicator and conduit connector)
Power Rating: 2.5W
For 100 Series Solenoid Valves
Insulation: F Class, IP65
Duty Cycle: 100% ED
CE Certification
100C
200C
200C
200C
Voltage:
1-E = 12VDC
2-E = 24VDC
3-E = 110VAC
4-E = 220VAC (50/60Hz)
Elecrical Connection: 1/2″ NPT conduit connection & 24″ Three-Strand Wires
ATEX Explosion Proof Coil for Models: 2P025, 2V025, 3P010, 2S012-020, 3S012, 2V130-250, 3V200-400, 4V200-400
(Valve Body is Not Included)
IP65, Class F Insulation, 100% Duty Cycle
DC = 4.5W (12VDC) / 4.6W (24VDC); AC = 6.8VA
1/2″ NPT Conduit Connection with 24″ Three-Strand Wires
RoHS Compliant
CSA 202633 Certificate Specifications:
Class I, Div 1, Groups A, B, C, & D
Class I, Div 2, Groups A, B, C, & D
Class II, Groups E, F, & G; Class III
FM 3006713 Certificate Specifications:
Class I, Div 1, Groups A, B, C, D, T4, Ta = 60°C
Encapsulation/Exp. Class I, Zone 1, AEx m II T4, Ta = 60°C
Dust-Ignition Class II/III, Div 1, Groups E, F, & G, T4, Ta = 60°C
Nonincendive Class I, Div 2, Groups A, B, C, D, T4, Ta = 60°C
Suitable for Class II, II, Div 2, Groups E, F, G, T4, Ta = 60°C
200C
Voltage:
1-ATEX = 12VDC
2-ATEX = 24VDC2A-ATEX = 24VAC
3-ATEX = 110VAC
4-ATEX = 220VAC (50/60Hz)
Elecrical Connection: DIN 43650B Connection with 10ft 3-Wired Cable & Sleeve
ATEX Explosion Proof Coil for Models: 2P025, 2V025, 3P010, 2S012-020, 3S012, 2V130-250, 3V200-400, 4V200-400
(Valve Body is Not Included)
ATEX Explosion Proof Coil
Ex II 2 G Ex mb IIC T4Gb
Ex 2 D EX mb tb IIIC T130°C Db
IP65, Class F Insulation, 100% Duty Cycle
Max. Media Temp. 176°F (180°C)
Ambient Temp: -4 to 122°F (-20 to 50°C)
RoHS Compliant
200C
Voltage: 2-IS-(3/2) = 24VDC
Elecrical Connection: DIN 43650B Connection, Includes Armature Tube Assembly (must be intact for IS rating)
Intrinsically Safe Coil for Models: 3V200-400, 4V200-400
(Valve Body is Not Included)
Intrinsically Safe Coil
Approved T5
CL. I; GR. A, B, C and D
CL. II; GR. E, F and G
CL. III; Div. 1 Hazardous Location
24VDC, 0.05A; U Max. 28V; I ≤ 115mA; P≤ 1.6W
T Amb. = 50°C (max); 100%ED
RoHS Compliant
Pneumatic Valve Specifications
| Valve Type | Port & Mounting | Action & Motion | Operating Pressure | Coil Insulation & Protection Class | Coil Duty Cycle | Manual Override | Electrical Connection | Working Medium | Maximum Pressure | Operating Temperature | Body Material | Seal Material | Lubrication | Service |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 3A & 4A 100-400 Series Valves | Body Ported, Manifold Mounted | Air Pilot, Spool Design | 0 to 115 PSI | N/A | 100% ED | N/A | N/A | 40 micron filtered air or inert gas | 180 PSI @ 75 Deg. F | 14 to 140 Deg. F (-10 to 60 Deg. C) | 6061-T6 Aluminum | NBR (Buna N) | Not Required | Air |
| 3V & 4V 100-400 Series Valves | Body Ported, Manifold Mounted | Internal Pilot, Spool Design | 21 to 115 PSI | F Class, IP65 (CE Certification) | 100% ED | Non-Locking: 100 series; Locking: 200 to 400 series |
D = DIN (with LED indicator, conduit terminal), G = Grommet (12″ – 18″ Lead Wire) | 40 micron filtered air or inert gas | 180 PSI @ 75 Deg. F | 14 to 140 Deg. F (-10 to 60 Deg. C) | 6061-T6 Aluminum | NBR (Buna N) | Not Required | Air |
| 2V025-035, 2P025 Series Valves | Body Ported, Stacking or Manifold Mounted | Direct Acting | Vacuum to 115 PSI | F Class, IP65 (CE Certification) | 100% ED | Non-Locking | D = DIN (with LED indicator, conduit terminal), G = Grommet (12″ – 18″ Lead Wire) | 40 micron filtered air, inert gas & liquid, non-corrosive liquid | 180 PSI @ 75 Deg. F | 14 to 140 Deg. F (-10 to 60 Deg. C) | 6061-T6 Aluminum (Engineered Plastic for 2P Series) | NBR (Buna N) | Not Required | Air |
| 2V1, 3V1 Series Valves | Body Ported, Stacking or Manifold Mounted | Direct Acting | Vacuum to 115 PSI | F Class, IP65 (CE Certification) | 100% ED | Non-Locking | D = DIN (with LED indicator, conduit terminal), G = Grommet (12″ – 18″ Lead Wire) | 40 micron filtered air, inert gas & liquid, non-corrosive liquid | 180 PSI @ 75 Deg. F | 14 to 140 Deg. F (-10 to 60 Deg. C) | 6061-T6 Aluminum | NBR (Buna N) | Not Required | Air |
Solenoid Valve Guide
| Valve Configurations | Functions |
|---|---|
| 2 Way Valve Configuration: 2 Position Valve | to turn on and off |
| 3 Way Valve Configuration: 2 Position Valve | to fully extend single acting cylinder (spring return cylinder) |
| 4 Way Valve Configuration: 2 Position Valve | to fully extend and retract double acting cylinder |
| 4 Way Valve Configuration: 3 Position, Closed-Center Valve | to stop a double acting cylinder in partial stroke, all ports are shut off |
| 4 Way Valve Configuration: 3 Position, Exhaust-Center Valve | to have both cylinder ports open to exhaust such that the cylinder can be extended and retracted manually to facilitate set-up |
| 4 Way Valve Configuration: 3 Position, Pressure-Center Valve | to stop a double acting cylinder in partial stroke with pressure on both ends of the cylinder |
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