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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. Valve bodies are made from Stainless Steel to stand up to harsh conditions. We also offer accessories, including position indicators, explosion-proof options, namur valves, proportional control actuators, contact signal actuators, and potentiometer actuators.

STC Actuated Valves Selection Guide  (Click on a picture to get details)
Air Actuated Ball Valves Namur Solenoid Valves Proximity Switches & Position Indicators Electric Actuated Valves Electric Actuators Air Actuated Angle Seat Valves
Air Actuated Valve NAMUR AIR VALVE Position Indicator for Rotary Actuator Motorized Valve Electric Rotary Actuator Angle Seat Valve

Air Actuated Valves
Air Actuated Valve Air Actuated Valve Angle Seat Valve Angle Seat Valve
Model Single Acting Air Actuated Ball Valve Double Acting Air Actuated Ball Valve Single Acting Air Actuated Angle Seat Valve
(Normally Closed)		 Double Acting Air Actuated Angle Seat Valve
(Fail Closed)
Downloads Data Sheet:
KS-KD.PDF

Download Drawings 		Data Sheet:
KS-KD.PDF

Download Drawings 		Data Sheet:
2KS-2KD.PDF

Download Drawings 		Data Sheet:
2KS-2KD.PDF

Download Drawings
Material 316 Stainless Steel 316 Stainless Steel 316 Stainless Steel 316 Stainless Steel
Port Size NPT Part No. List Price Part No. List Price Part No. List Price Part No. List Price
1/4" KS 1/4 $256.71 KD 1/4 $222.58    
3/8" KS 3/8 $256.71 KD 3/8 $222.58 2KS-3/8 $210.22 2KD-3/8 $210.22
1/2" KS 1/2 $256.71 KD 1/2 $222.58 2KS-1/2 $227.77 2KD-1/2 $227.77
3/4" KS 3/4 $270.37 KD 3/4 $229.39 2KS-3/4 $233.57 2KD-3/4 $233.57
1" KS 1 $311.32 KD 1 $284.02 2KS-1 $287.30 2KD-1 $287.30
1 1/4" KS 1 1/4 $418.62 KD 1 1/4 $324.99 2KS-1 1/4 $408.76 2KD-1 1/4 $408.76
1 1/2" KS 1 1/2 $543.47 KD 1 1/2 $420.56 2KS-1 1/2 $432.04 2KD-1 1/2 $432.04
2" KS 2 $719.62 KD 2 $502.50 2KS-2 $595.61 2KD-2 $595.61
2 1/2" KS 2 1/2 $1,145.57 KD 2 1/2 $1,105.91 2KS-2 1/2 $719.62 2KD-2 1/2 $719.62
3" KS 3 $1,362.75 KD 3 $1,226.20 2KS-3 $1,772.51 2KD-3 $1,772.51
4" KS 4 $3,125.55 KD 4 $2,894.66

STC Actuated Ball Valve Compatibility Chart
Ball Valve Part No.
 Port Size NPT Actuator Part No. Torque at 100PSI for Double Acting Actuator (lbs)
Single Acting Double Acting
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  

STC Namur Solenoid Valves for Controlling Air Actuated Valves & Proximity Switches/Position Indicators
Part No. Unit Price Picture Port Size/
Cable Entry		 Voltage Electrical Connection Specifications
3V310-1/4B $51.39 NAMUR AIR VALVE 1/4" NPT 1 = 12VDC
2 = 24VDC

2A = 24VAC
3 = 110VAC
4 = 220VAC		 G = Grommet

D = DIN (with LED)		 3 Way Namur Single Solenoid Valve
3V320-1/4B $75.85 1/4" NPT 3 Way Namur Double Solenoid Valve
4V310-1/4B $51.39 1/4" NPT 4 Way Namur Single Solenoid Valve
4V320-1/4B $75.85 1/4" NPT 4 Way Namur Double Solenoid Valve
3V310-1/4B $232.50 NAMUR AIR VALVE 1/4" NPT 1 = 12VDC
2 = 24VDC

2A = 24VAC
3 = 110VAC
4 = 220VAC		 E = Explosion Proof

IS = Intrinsically Safe (24VDC Only)		 3 Way Namur Single Solenoid Valve
3V320-1/4B $343.03 1/4" NPT 3 Way Namur Double Solenoid Valve
4V310-1/4B $232.50 1/4" NPT 4 Way Namur Single Solenoid Valve
4V320-1/4B $343.03 1/4" NPT 4 Way Namur Double Solenoid Valve
APL-210N $96.00 Position Indicator for Rotary Actuator 2 1/2" NPT Max. 250VAC or DC 5A @ 8 to 14VDC
4A @ 30VDC
0.4A @ 125VDC
0.2A @ 250VDC

5A @ 125VAC
3A @ 250VAC		 Position Indicator for Rotary Actuator
IP67 Enclosure
2 SPDT Mechanical Limit Switches
Visual Open/Closed Indicator
APL-310N $167.96 Position Indicator for Rotary Actuator 2 1/2" NPT Max. 250VAC or DC 0.6A 125VDC
0.3A 250VDC

16A 125 to 250VAC		 Position Indicator for Rotary Actuator
2 SPDT Mechanical Limit Switches
Visual Open/Closed Indicator
APL-410 $335.91 Position Indicator for Rotary Actuator 2 3/4" NPT Max. 250VAC or DC 0.6A 125VDC
0.3A 250VDC

15A 125 to 250VAC		 Explosion Proof
Position Indicator for Rotary Actuator
Exd II BT6, IP67 Enclosure
2 SPDT Mechanical Limit Switches
Visual Open/Closed Indicator

Electric Actuated Valves
Motorized Valve Electric Actuated Ball Valve
Model 2 Way Valve with
Actuator with On/Off Indicator		 3 Way (L Port) with
Actuator with On/Off Indicator
Downloads Data Sheet:
E-2015.PDF

Download Drawings 		Data Sheet:
E-2015.PDF
Material 316 Stainless Steel 316 Stainless Steel
Port Size NPT Part No. List Price Part No. List Price
1/4" E 1/4 $624.61 E 1/4-L $641.84
3/8" E 3/8 $624.61 E 3/8-L $641.84
1/2" E 1/2 $624.61 E 1/2-L $641.84
3/4" E 3/4 $637.22 E 3/4-L $665.89
1" E 1 $671.68 E 1-L $710.18
1 1/4" E 1 1/4 $711.35 E 1 1/4-L $810.96
1 1/2" E 1 1/2 $816.49 E 1 1/2-L $981.00
2" E 2 $1,095.31 E 2-L $1,278.86
2 1/2" E 2 1/2 $1,379.00
3" E 3 $2,005.50
4" E 4 $2,678.47

STC Electric Actuators
Part No. Unit Price Picture Torque Cycle Time Weight Special Function Control Signal Ball Valve Size, NPT
Diameter (DN)		 Voltage Options Rotation
E-05 $556.90 Electric Rotary Actuator 50N * M 20S 2.6Kg Visual Indicator Visual Indicator 1/2" to 1 1/2" (15-40) 24VDC, 24VAC, 110VAC, 220VAC 90°
E-10 $779.69 100N * M 30/60S 3.7Kg 2" to 2 1/2" (50-65)
E-20 $1,058.18 200N * M 30/60S 6.7Kg 2 1/2" to 3" (65-80)
E-40 $1,113.84 400N * M 30/60S 7.2Kg 3" to 4" (80-100)
E-60 $1,392.33 600N * M 45S 7.3Kg 4" (100-125)
E-100 $1,782.12 1000N * M 50S 7.3Kg 6" (125-150)
E-200 $2,004.96 2000N * M 100S 11.2Kg 6" to 12" (150-300)
E-05S $612.65 Electric Rotary Actuator 50N * M 20S 2.6Kg Passive Contact S = Contact Signal 1/2" to 1 1/2" (15-40) 24VDC, 24VAC, 110VAC, 220VAC 90°
E-10S $835.40 100N * M 30/60S 3.7Kg 2" to 2 1/2" (50-65)
E-20S $1,113.84 200N * M 30/60S 6.7Kg 2 1/2" to 3" (65-80)
E-40S $1,169.56 400N * M 30/60S 7.2Kg 3" to 4" (80-100)
E-05R $724.03 Electric Rotary Actuator 50N * M 20S 2.6Kg Opening Signal R = Potentiometer
(1-5K)		 1/2" to 1 1/2" (15-40) 24VDC, 220VAC 90°
E-10R $946.78 100N * M 30/60S 3.7Kg 2" to 2 1/2" (50-65) 24VDC, 24VAC, 110VAC, 220VAC
E-20R $1,225.22 200N * M 30/60S 6.7Kg 2 1/2" to 3" (65-80)
E-40R $1,280.94 400N * M 30/60S 7.2Kg 3" to 4" (80-100)
E-05PC $1,225.22 Electric Rotary Actuator 50N * M 20S 2.6Kg Proportional Control T = 4-20mA 1/2" to 1 1/2" (15-40) 24VDC, 220VAC 90°
E-10PC $1,447.98 100N * M 30/60S 3.7Kg 2" to 2 1/2" (50-65) 24VDC, 24VAC, 110VAC, 220VAC
E-20PC $1,726.48 200N * M 30/60S 6.7Kg 2 1/2" to 3" (65-80)
E-40PC $1,782.12 400N * M 30/60S 7.2Kg 3" to 4" (80-100)

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