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Air & Electric Actuated Valves, Angle Seat Valves

STC’s high performance line of air & electric actuated valves and angle-seat valves offer a wide range of capabilities to suit your unique operating conditions. The bodies of STC Valves are made from Stainless Steel to stand up to harsh conditions. All Air also offers accessories, including position indicators, explosion-proof options, namur valves, proportional control actuators, contact signal actuators, and potentiometer actuators.

Air Actuated Valves

Single Acting Air Actuated Ball Valve

STC Valve
Material: 316 Stainless Steel
Size Available: 1/4″; 3/8″; 1/2″; 3/4″; 1″; 1 1/4″; 1 1/2″; 2″; 2 1/2″; 3″; 4″

Double Acting Air Actuated Ball Valve

STC Valve
Material: 316 Stainless Steel
Size Available: 1/4″; 3/8″; 1/2″; 3/4″; 1″; 1 1/4″; 1 1/2″; 2″; 2 1/2″; 3″; 4″

Single Acting Air Actuated Angle Seat Valve (Normally Closed)

STC Valve
Material: 316 Stainless Steel
Size Available: 3/8″; 1/2″; 3/4″; 1″; 1 1/4″; 1 1/2″; 2″; 2 1/2″; 3″

Double Acting Air Actuated Angle Seat Valve (Fail Closed)

STC Valve
Material: 316 Stainless Steel
Size Available: 3/8″; 1/2″; 3/4″; 1″; 1 1/4″; 1 1/2″; 2″; 2 1/2″; 3″

Namur Solenoid Valves for Controlling Air Actuated Valves & Proximity Switches/Position Indicators

3V310-1/4B 3 Way Namur Single Solenoid Valve

STC Valve
Port Size/Cable Entry: 1/4″ NPT
Voltage:
1 = 12VDC
2 = 24VDC2A = 24VAC
3 = 110VAC
4 = 220VAC
Electrical Connection:
G = Grommet
D = DIN (with LED)

3V320-1/4B 3 Way Namur Double Solenoid Valve

STC Valve
Port Size/Cable Entry: 1/4″ NPT
Voltage:
1 = 12VDC
2 = 24VDC2A = 24VAC
3 = 110VAC
4 = 220VAC
Electrical Connection:
G = Grommet
D = DIN (with LED)

4V310-1/4B 4 Way Namur Single Solenoid Valve

STC Valve
Port Size/Cable Entry: 1/4″ NPT
Voltage:
1 = 12VDC
2 = 24VDC2A = 24VAC
3 = 110VAC
4 = 220VAC
Electrical Connection:
G = Grommet
D = DIN (with LED)

4V320-1/4B 4 Way Namur Double Solenoid Valve

STC Valve
Port Size/Cable Entry: 1/4″ NPT
Voltage:
1 = 12VDC
2 = 24VDC2A = 24VAC
3 = 110VAC
4 = 220VAC
Electrical Connection:
G = Grommet
D = DIN (with LED)

3V310-1/4B 3 Way Namur Single Solenoid Valve

STC Valve
Port Size/Cable Entry: 1/4″ NPT
Voltage:
1 = 12VDC
2 = 24VDC2A = 24VAC
3 = 110VAC
4 = 220VAC
Electrical Connection:
E = Explosion Proof
IS = Intrinsically Safe (24VDC Only)

3V320-1/4B 3 Way Namur Double Solenoid Valve

STC Valve
Port Size/Cable Entry: 1/4″ NPT
Voltage:
1 = 12VDC
2 = 24VDC2A = 24VAC
3 = 110VAC
4 = 220VAC
Electrical Connection:
E = Explosion Proof
IS = Intrinsically Safe (24VDC Only)

4V310-1/4B 4 Way Namur Single Solenoid Valve

STC Valve
Port Size/Cable Entry: 1/4″ NPT
Voltage:
1 = 12VDC
2 = 24VDC2A = 24VAC
3 = 110VAC
4 = 220VAC
Electrical Connection:
E = Explosion Proof
IS = Intrinsically Safe (24VDC Only)

4V320-1/4B 4 Way Namur Double Solenoid Valve

STC Valve
Port Size/Cable Entry: 1/4″ NPT
Voltage:
1 = 12VDC
2 = 24VDC2A = 24VAC
3 = 110VAC
4 = 220VAC
Electrical Connection:
E = Explosion Proof
IS = Intrinsically Safe (24VDC Only)

APL-210N Position Indicator for Rotary Actuator

STC Valve
Port Size/Cable Entry: 2 1/2″ NPT
Voltage: Max. 250VAC or DC
Electrical Connection:
5A @ 8 to 14VDC
4A @ 30VDC
0.4A @ 125VDC
0.2A @ 250VDC
5A @ 125VAC
3A @ 250VAC

IP67 Enclosure
2 SPDT Mechanical Limit Switches
Visual Open/Closed Indicator

APL-310N Position Indicator for Rotary Actuator

STC Valve
Port Size/Cable Entry: 2 1/2″ NPT
Voltage: Max. 250VAC or DC
Electrical Connection:
0.6A 125VDC
0.3A 250VDC
16A 125 to 250VAC

2 SPDT Mechanical Limit Switches
Visual Open/Closed Indicator

APL-410 Explosion Proof Position Indicator for Rotary Actuator

STC Valve
Port Size/Cable Entry: 2 3/4″ NPT
Voltage: Max. 250VAC or DC
Electrical Connection:
0.6A 125VDC
0.3A 250VDC
15A 125 to 250VAC

Exd II BT6, IP67 Enclosure
2 SPDT Mechanical Limit Switches
Visual Open/Closed Indicator

Electric Actuated Valves

2 Way Valve with Actuator with On/Off Indicator

STC 2 Way Valve with Actuator with On/Off Indicator
Material: 316 Stainless Steel
Sizes Available: 1/4″; 3/8″; 1/2″; 3/4″; 1″; 1 1/4″; 1 1/2″; 2″; 2 1/2″; 3″; 4″

3 Way (L Port) with Actuator with On/Off Indicator


Material: 316 Stainless Steel
Sizes Available: 1/4″; 3/8″; 1/2″; 3/4″; 1″; 1 1/4″; 1 1/2″; 2″

Electric Actuators

E-05

STC Valve
Torque: 50N * M
Cycle Time: 20S
Weight: 2.6Kg
Control Signal: Visual Indicator
Ball Valve Size, NPT Diameter (DN): 1/2″ to 1 1/2″ (15-40)
Voltage: 24VDC, 24VAC, 110VAC, 220VAC
Rotation: 90°

E-10

STC Valve
Torque: 100N * M
Cycle Time: 30/60S
Weight: 3.7Kg
Control Signal: Visual Indicator
Ball Valve Size, NPT Diameter (DN): 2″ to 2 1/2″ (50-65)
Voltage: 24VDC, 24VAC, 110VAC, 220VAC
Rotation: 90°

E-20

STC Valve
Torque: 200N * M
Cycle Time: 30/60S
Weight: 6.7Kg
Control Signal: Visual Indicator
Ball Valve Size, NPT Diameter (DN): 2 1/2″ to 3″ (65-80)
Voltage: 24VDC, 24VAC, 110VAC, 220VAC
Rotation: 90°

E-40

STC Valve
Torque: 400N * M
Cycle Time: 30/60S
Weight: 7.2Kg
Control Signal: Visual Indicator
Ball Valve Size, NPT Diameter (DN): 3″ to 4″ (80-100)
Voltage: 24VDC, 24VAC, 110VAC, 220VAC
Rotation: 90°

E-60

STC Valve
Torque: 600N * M
Cycle Time: 45S
Weight: 7.3Kg
Control Signal: Visual Indicator
Ball Valve Size, NPT Diameter (DN): 4″ (100-125)
Voltage: 24VDC, 24VAC, 110VAC, 220VAC
Rotation: 90°

E-100

STC Valve
Torque: 1000N * M
Cycle Time: 50S
Weight: 7.3Kg
Control Signal: Visual Indicator
Ball Valve Size, NPT Diameter (DN): 6″ (125-150)
Voltage: 24VDC, 24VAC, 110VAC, 220VAC
Rotation: 90°

E-200

STC Valve
Torque: 2000N * M
Cycle Time: 100S
Weight: 11.2Kg
Control Signal: Visual Indicator
Ball Valve Size, NPT Diameter (DN): 6″ to 12″ (150-300)
Voltage: 24VDC, 24VAC, 110VAC, 220VAC
Rotation: 90°

E-05S

STC Valve
Torque: 50N * M
Cycle Time: 20S
Weight: 2.6Kg
Special Function: Passive Contact
Control Signal: S = Contact Signal
Ball Valve Size, NPT Diameter (DN): 1/2″ to 1 1/2″ (15-40)
Voltage: 24VDC, 24VAC, 110VAC, 220VAC
Rotation: 90°

E-10S

STC Valve
Torque: 100N * M
Cycle Time: 30/60S
Weight: 3.7Kg
Special Function: Passive Contact
Control Signal: S = Contact Signal
Ball Valve Size, NPT Diameter (DN): 2″ to 2 1/2″ (50-65)
Voltage: 24VDC, 24VAC, 110VAC, 220VAC
Rotation: 90°

E-20S

STC Valve
Torque: 200N * M
Cycle Time: 30/60S
Weight: 6.7Kg
Special Function: Passive Contact
Control Signal: S = Contact Signal
Ball Valve Size, NPT Diameter (DN): 2 1/2″ to 3″ (65-80)
Voltage: 24VDC, 24VAC, 110VAC, 220VAC
Rotation: 90°

E-40S

STC Valve
Torque: 400N * M
Cycle Time: 30/60S
Weight: 7.2Kg
Special Function: Passive Contact
Control Signal: S = Contact Signal
Ball Valve Size, NPT Diameter (DN): 3″ to 4″ (80-100)
Voltage: 24VDC, 24VAC, 110VAC, 220VAC
Rotation: 90°

E-05R

STC Valve
Torque: 50N * M
Cycle Time: 20S
Weight: 2.6Kg
Special Function: Opening Signal
Control Signal: R = Potentiometer (1-5K)
Ball Valve Size, NPT Diameter (DN): 1/2″ to 1 1/2″ (15-40)
Voltage: 24VDC, 220VAC
Rotation: 90°

E-10R

STC Valve
Torque: 100N * M
Cycle Time: 30/60S
Weight: 3.7Kg
Special Function: Opening Signal
Control Signal: R = Potentiometer (1-5K)
Ball Valve Size, NPT Diameter (DN): 2″ to 2 1/2″ (50-65)
Voltage: 24VDC, 24VAC, 110VAC, 220VAC
Rotation: 90°

E-20R

STC Valve
Torque: 200N * M
Cycle Time: 30/60S
Weight: 6.7Kg
Special Function: Opening Signal
Control Signal: R = Potentiometer (1-5K)
Ball Valve Size, NPT Diameter (DN): 2 1/2″ to 3″ (65-80)
Voltage: 24VDC, 24VAC, 110VAC, 220VAC
Rotation: 90°

E-40R

STC Valve
Torque: 400N * M
Cycle Time: 30/60S
Weight: 7.2Kg
Special Function: Opening Signal
Control Signal: R = Potentiometer (1-5K)
Ball Valve Size, NPT Diameter (DN): 3″ to 4″ (80-100)
Voltage: 24VDC, 24VAC, 110VAC, 220VAC
Rotation: 90°

E-05PC


Torque: 50N * M
Cycle Time: 20S
Weight: 2.6Kg
Special Function: Proportional Control
Control Signal: T = 4-20mA
Ball Valve Size, NPT Diameter (DN): 1/2″ to 1 1/2″ (15-40)
Voltage: 24VDC, 220VAC
Rotation: 90°

E-10PC


Torque: 100N * M
Cycle Time: 30/60S
Weight: 3.7Kg
Special Function: Proportional Control
Control Signal: T = 4-20mA
Ball Valve Size, NPT Diameter (DN): 2″ to 2 1/2″ (50-65)
Voltage: 24VDC, 24VAC, 110VAC, 220VAC
Rotation: 90°

E-20PC


Torque: 200N * M
Cycle Time: 30/60S
Weight: 6.7Kg
Special Function: Proportional Control
Control Signal: T = 4-20mA
Ball Valve Size, NPT Diameter (DN): 2 1/2″ to 3″ (65-80)
Voltage: 24VDC, 24VAC, 110VAC, 220VAC
Rotation: 90°

E-40PC


Torque: 400N * M
Cycle Time: 30/60S
Weight: 7.2Kg
Special Function: Proportional Control
Control Signal: T = 4-20mA
Ball Valve Size, NPT Diameter (DN): 3″ to 4″ (80-100)
Voltage: 24VDC, 24VAC, 110VAC, 220VAC
Rotation: 90°

Actuated Ball Valve Compatibility Chart

Ball Valve Part No. Port Size NPT Single Acting Part No. Double Acting Part No. Torque at 100PSI for Double Acting Actuator (lbs)
V3-1/2-A 1/2″ AT063S AT050D 87
V3-3/4-A 3/4″ AT063S AT050D 226
V3-1-A 1″ AT063S AT050D 405
V3-1 1/4-A 1 1/4″ AT075S AT063D 737
V3-1 1/2-A 1 1/2″ AT088S AT063D 1072
V3-2-A 2″ AT088S AT075D
V3-2 1/2-A 2 1/2″ AT100S AT088D 2230
V3-3-A 3″ AT125S AT100D 3654
V3-4-A 4″ AT145S AT125D

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