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Push In Fittings
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Metal Fittings
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Comp. Fittings
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 | | 2P0252/2/1
Direct Acting Normally Closed Two Way Valve
14 -140 deg. F
Vacuum-115 PSI
Response Time <20 ms |
 | | 2V025-3514 -140 deg. F
Vacuum-115 PSI
Response Time <20 ms
2V025: 2/2/1
Direct Acting Normally closed Two Way Valve Stacking Two Way Valve
2V035: 3/2/1 Direct Acting Normally Closed or Open Stacking Three Way Valve
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 | | 2V1-3V114 -140 deg. F
Vacuum-115 PSI
Response Time <20 ms
2V1: 2/2/1
Direct Acting Normally Closed Stacking Two Way Valve
3V1: 3/2/1
Direct Acting Normally closed or Open Stacking Three Way Valve
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 | | 3V110-4103/2/1
Three Way Valve Two Position Single Solenoid
14 -140 deg. F
21-115 PSI
Response Time <20 ms |
 | | 3V120-3V4203/2/2
Three Way Valve Two Position Double Solenoid
14 -140 deg. F
21-115 PSI
Response Time <20 ms |
 | | 4V110-4105/2/1
Four Way Valve
14 -140 deg. F
21-115 PSI
Response Time <20 ms |
 | | 4V120-4205/2/2
Double Solenoid
Four Way Valve
14 -140 deg. F
21-115 PSI
Response Time <20 ms |
 | | 4V130C-430C5/3/2
Double Solenoid
Three Position, Closed Center Four Way Valve
14 -140 deg. F
21-115 PSI
Response Time <20 ms |
 | | 4V130E-430E5/3/2
Double Solenoid
Three Position, Exhausted Center
Four Way Valve
14 -140 deg. F
21-115 PSI |
 | | 4V130P-430P5/3/2
Double Solenoid
Three Position, Pressure Center
Four Way Valve
14 -140 deg. F
21-115 PSI
Response Time <20 ms |
 | | 4V210B-310B5/2/1
Actuator Mount Four Way Valve
14 -140 deg. F
21-115 PSI
Response Time <20 ms |
 | | 3A110-4103 Way 2 Position Single Pilot Air Valve
3/2 Three Way Valve
Operating Pressure:
Valve 0-115 PSI
Pilot 40 PSI |
 | | 3A120-4203 Way 2 Position Double Pilot Air Valve
Operating Pressure:
Valve 0-115 PSI
Pilot 40 PSI |
 | | 4A110-4104 Way 2 Position Single Pilot Air Valves
5/2 Four Way Valve
Operating Pressure:
Valve 0-115 PSI
Pilot 40 PSI |
 | | 4A120-4204 Way 2 Position Double Pilot Air Valves
5/2 Four Way Valve
Operating Pressure:
Valve 0-115 PSI
Pilot 40 PSI |
 | | 4A130C-430C4 Way 3 Position Closed Center Double Pilot Air Valves
5/3 Four Way Valve
Operating Pressure:
Valve 0-115 PSI
Pilot 40 PSI |
 | | 3V-100MIntegrated Base for Mounting 3V-100 & 3A-100 series Solenoid Valves
(Includes Mounting hardware and seal) |
| | 3V-200MIntegrated Base for Mounting 3V-200 & 3A-200 series Solenoid Valves
(Includes Mounting hardware and seal) |
| | 3V-300MIntegrated Base for Mounting 3V-300 & 3A-300 series Solenoid Valves
(Includes Mounting hardware and seal) |
| | 3V-400MIntegrated Base for Mounting 3V-400 & 3A-400 series Solenoid Valves
(Includes Mounting hardware and seal) |
| | 4V-100MIntegrated Base for Mounting 4V-100 & 4A-100 series Solenoid Valves
(Includes Mounting hardware and seal) |
| | 4V-200MIntegrated Base for Mounting 4V-200 & 4A-200 series Solenoid Valves
(Includes Mounting hardware and seal) |
| | 4V-300MIntegrated Base for Mounting 4V-300 & 4A-300series Solenoid Valves
(Includes Mounting hardware and seal) |
| | 4V-400MIntegrated Base for Mounting 4V-400 & 4A-400series Solenoid Valves
(Includes Mounting hardware and seal) |
 | | 100CSolenoid Coil with DIN (LED indicator and conduit connector), D=DIN connection. Also available in Grommet (wired), G=Grommet connection.
For 100 Series Solenoid Valves |
 | | 200CSolenoid Coil with DIN (LED indicator and conduit connector), D=DIN connection. Also available in Grommet (wired), G=Grommet connection.
For 200-400 Series Solenoid Valves
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 | | 2W200CSolenoid Coil for 2W Series Solenoid Valves |
 | | Explosion Proof CoilExplosion Proof Coil
For 2E100 to 250, 2S025 to 250, 2W025 to 250, 2MS120-500 Solenoid Valves
All voltages with 1/2" NPT conduit connection
FM Approved
CL. I; ZONE 1,
CL. I; DIV.1; GR. A, B, C, D
CL. II; GR. E, F, G
CL. III
T4 Ta= -20ºC...+60ºC
Molded IP65
Approved for Hazardous Locations |
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Solenoid Valves
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 | | 2D150-500Service: Water, Air, Oil, Gas
Pressure: 4 to 175 PSI
Temperature: 14 to 176°F (14 to 266°F Viton)
Normally Closed (Option: Normally Open)
2 Way, Slow Closing Pilot Diaphragm
Body: Brass
Seals: NBR (Buna N); Option: Viton, EPDM |
 | | 2DS150-500Service: Water, Air, Oil, Gas
Pressure: 4 to 175 PSI
Temperature: 14 to 176°F (14 to 266°F Viton)
Normally Closed (Option: Normally Open)
2 Way, Slow Closing Pilot Diaphragm
Body: 304 Stainless Steel (Option: 316SS)
Seals: NBR (Buna N); Option: Viton, EPDM |
 | | 2DS500-1000Service: Air, Liquid
Pressure: 6 to 175 PSI
Max. Pressure: 175 PSI @ 72°F
Temperature: 23 to 176 °F (-5 TO 80 °C)
Normally Closed
2 Way, Pilot Piston
Body: 304 Stainless Steel
Seals: NBR (BUNA N) |
 | | 2R130-500Service: Water, Air, Oil, Gas
Pressure: 7 to 188 PSI
Temperature: 14 to 176°F (14 to 266°F Viton)
Normally Closed (Option: Normally Open)
2 Way, Pilot Diaphragm
Body: Brass
Seals: NBR (Buna N); Option: Viton, EPDM |
 | | 2RS150-500Service: Water, Air, Oil, Gas
Pressure: 7 to 188 PSI
Temperature: 14 to 176°F (14 to 266°F Viton)
Normally Closed (Option: Normally Open)
2 Way, Pilot Diaphragm
Body: 304 Stainless Steel (Option: 316SS)
Seals: NBR (Buna N); Option: Viton, EPDM |
 | | 2S012-20Service: Air, Liquid, Oil, Water
2 Way Direct Acting Normally Closed
Stainless Steel Valve Body
Temperature: 14 -176 °F (-10 TO 80 °C)
Seal: NBR
Pressure: 0 to 200 PSI
Response Time: <20msec. |
 | | 3S012Service: Air, Liquid, Oil, Water
3 Way Universal Direct Acting Normally Closed
Stainless Steel Valve Body
Temperature: 14 -176 °F (-10 TO 80 °C)
Seal: NBR
Pressure:
Normally Closed: Vacuum to 60PSI
Normally Open: Vacuum to 150PSI
Response Time: <20msec. |
 | | 2SO030-40Service: Air, Liquid, Oil, Water, Vacuum
2 Way Direct Acting Normally Open Stainless Steel Solenoid Valve
Temperature: 14 -176°F (-10 TO 80 °C), with NBR Seal;
5 to 248 °F (-15 TO 120 °C), with Viton Seal.
Pressure: Vacuum to 90 PSI
Option: Vacuum to 150 PSI
Coil: 30W |
 | | 2MSO120-5002 Way, Pilot Piston, Normally Open
Body: 304 Stainless Steel
Seals: PTFE
Operating Temp -6 to 356 °F (-20 TO 180 °C)
Pressure: 6 to 145 PSI
Coil Power: 13 to 20W
Coil: Class H, IP65, 20W, CE
Service: Air, Liquid, Steam |
 | | 2DSO500F-1500FService: Air, Liquid, Oil, Water
2 Way, Pilot Piston, Normally Open
Body: 304 Stainless Steel
Seals: NBR (BUNA N)
Pressure: 6 to 120 PSI
Max. Pressure: 120 PSI @ 72°F
Temperature: 23 to 176 °F (-5 TO 80 °C) |
 | | 200C-GrommetFor 2P, 2V, 3V, & 4V
200-400 Series Solenoid Valves
3W, 4.8W, 6.5W, 8W |
 | | 2W350CFor 2L170/300, 2LS250-500, 2SO/2WO350-500 Series Solenoid Valves with DIN and 5/16" Strain Relief Connection |
| | 2P025Service: Air, Liquid, water
2 Way Direct Acting
Normally Closed
22 SCFM @100 PSI
Pressure: Vacuum to 115 PSI
Engineering Plastic Body
Response Time <20msec |
 | | 2P020AService: Water, Air, Liquid
2 Way Direct Acting
Normally Closed
22 SCFM @100 PSI
Pressure: Vacuum to 150PSI
Engineering Acetal Plastic Body
Response Time <20msec
Wetted Surfaces: Acetal and Stainless Steel
Coil Power 3 to 6.5W |
 | | 2T060Normally Closed, Direct Acting 2 Way. Teflon Valve;
Fluid Temperature:-20°C to 180°C
Valve Body: Teflon
Seal: Viton
Wetted Surfaces: Teflon, Viton;
Operating Pressure: 0 to 22 PSI;
Compatible Fluid: Corrosive fluid & gas, acid, alkali, etc. |
 | | 2V025-3514 -140 deg. F
Vacuum-115 PSI
Response Time <20 ms
2V025: 2/2/1
Direct Acting Normally closed Two Way Valve Stacking Two Way Valve
2V035: 3/2/1 Direct Acting Normally Closed or Open Stacking Three Way Valve
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 | | 2W025-40Service: Air, Liquid, Oil, Water
2 Way Direct Acting
Normally Closed Brass Solenoid Valve
Temperature:
14 -176 °F (-10 TO 80 °C)
(with NBR Seal)
5 to 248 °F (-15 TO 120 °C)
(with Viton Seal)
Pressure: Vacuum to 150 PSI
Response Time <20msec. |
 | | 2H012Service: Air, Water, Liquid
2 Way Direct Acting Normally Closed
Stainless Steel Solenoid Valve
Temperature: 14 -176 °F (-20 TO 85 °C)
Seal: PTFE
Pressure: 0 to 1000 PSI
Response Time <20msec. |
 | | 2S025-50Service: Air, Liquid, Oil, Water
2 Way Direct Acting Normally Closed
Stainless Steel Valve Body
Temperature: 14 -176 °F (-10 TO 80 °C), with NBR Seal;
5 to 248 °F with Viton Seal;
Pressure:
025: Vacuum to 200 PSI
035: Vacuum to 170 PSI
040: Vacuum to 150 PSI
050: Vacuum to 80 PSI
Response Time <20msec. |
 | | 2S025-HService: Air, Liquid, Oil, Water
2 Way Direct Acting Normally Closed
Stainless Steel Solenoid Valve
Temperature: 14 -176 °F (-10 TO 80 °C)
Seal: NBR
Pressure: 0 to 150 PSI; 110-220AC
0 to 120 PSI; 12-24V
Response Time <20msec. |
 | | 3S020-35Service: Air, Liquid, Oil, Water
3 Way Direct Acting Normally Closed or Open
Valve Body: Stainless Steel
Seal: Viton
Temp.: 5 -248 °F (-15 to120 °C)
Pressure:
Vacuum to 100 PSI (2mm orifice)
Vacuum to 60 PSI (3.5mm orifice)
Response Time <20msec. |
 | | 2W160-500
Service: Air, Liquid, Oil, Water
Direct Lift Diaphragm
Normally Closed Two Way Diaphragm
Brass Solenoid Valve
Temperature:
14 -176 °F (-10 TO 80 °C), with NBR Seal;
5 to 248 °F (-15 TO 120 °C), with Viton Seal;
Pressure:
Vacuum to 150 PSI AC Coil
Vacuum to 100 PSI DC Coil |
 | | 2S160-500Service: Air, Liquid, Oil, Water
Direct Lift Diaphragm Normally Closed
Two Way Diaphragm
304 Stainless Steel Solenoid Valve
Temperature:
14 -176 °F (-10 TO 80 °C), with NBR Seal;
5 to 248 °F (-15 TO 120 °C), with Viton Seal;
Pressure:
Vacuum to 150 PSI AC Coil
Vacuum to 100 PSI DC Coil |
 | | 2S160-500 Explosion ProofService: Air, Liquid, Oil, Water
Direct Lift Diaphragm Normally Closed
Two Way Diaphragm
304 Stainless Steel Solenoid Valve
Temperature:
14 -176 °F (-10 TO 80 °C), with NBR Seal;
5 to 248 °F (-15 TO 120 °C), with Viton Seal;
Pressure:
Vacuum to 150 PSI AC Coil
Vacuum to 100 PSI DC Coil |
 | | 2L170-300Service: Air, Liquid, Oil, Steam, Water
Pilot Piston
Normally Closed Two Way Brass Solenoid Valve
for Air, Liquid & Steam
Temperature: 23 to 356 °F (-5 TO 180 °C)
Seal: PTFE
Pressure: 7 to 232 PSI
Vacuum Reverse Flow Direction
Installation: Valve Vertical, Horizontal Flow |
 | | 2WO040Service: Air, Liquid, Oil, Water
2 Way Direct Acting
Normally Open Brass Solenoid Valve
Temperature:
14 -176 °F (-10 TO 80 °C), with NBR Seal;
5 to 248 °F (-15 TO 120 °C), with Viton Seal;
Pressure: Vacuum to 90 PSI |
 | | 2WO160-500Service: Air, Liquid, Oil, Water
Direct Lift Diaphragm
Normally Open Two Way Diaphragm
Brass Solenoid Valve
Temperature:
14 -176 °F (-10 TO 80 °C), with NBR Seal;
5 to 248 °F (-15 TO 120 °C), with Viton Seal;
Pressure: Vacuum to 90 PSI
Option: Vacuum to 150 PSI
Coil: 20 W to 38W |
 | | 2SO160-500Service: Air, Liquid, Oil, Water
Direct Lift Diaphragm
Normally Open Two Way Diaphragm
304 Stainless Steel Solenoid Valve
Temperature:
14 -176 °F (-10 TO 80 °C), with NBR Seal;
5 to 248 °F (-15 TO 120 °C), with Viton Seal;
Pressure: Vacuum to 90 PSI
Option: Vacuum to 150 PSI
Coil: 20 W to 38W |
 | | 2V130-250Pilot Operated Diaphragm
Normally Closed Two Way Diaphragm
Brass Solenoid Valve
Temperature:
14 -176 °F (-10 TO 80 °C), with NBR Seal;
5 to 248 °F (-15 TO 120 °C), with Viton Seal;
Pressure: 5 to115PSI
Option: 5 to 150 PSI
Service: Air, Water, Oil, Gas |
 | | 200C-EExplosion Proof Coil
For 2E100 to 250, 2S025 to 250, 2W025 to 250, 2MS120-500 Solenoid Valves
All voltages with 1/2" NPT conduit connection
FM Approved
CL. I; ZONE 1,
CL. I; DIV.1; GR. A, B, C, D
CL. II; GR. E, F, G
CL. III
T4 Ta= -20ºC...+60ºC
Molded IP65
Approved for Hazardous Locations |
 | | 2P160-2502 Way Direct Lift Diaphragm
Normally Closed Two Way Diaphragm
PA Plastic Solenoid Valve
Temperature: 32-122°F (0-50°C)
Seal: NBR
Pressure: Vacuum to 90 PSI
Service: Air, Liquid, Oil, Water
Vacuum Reverse Flow Direction |
 | | 2PO160-2502 Way Direct Lift Diaphragm
Normally Open PA Plastic Solenoid Valve
Temperature: 32-122°F (0-50°C)
Seal: NBR
Pressure: Vacuum to 90 PSI
Service: Air, Liquid, Oil, Water Vacuum
Reverse Flow Direction |
 | | 2MS120-5002 Way, Pilot Piston, Normally Closed
Body; 304 Stainless Steel
Seals: PTFE
Operating Temp -6 to 356 °F (-20 TO 180 °C)
Pressure: 6 to 230 PSI
Maximum Pressure: 230 PSI @ 72°F
Coil: Class H, IP65, 20W, CE
Service: Air, Liquid, Steam |
 | | 2E100-2502 Way, Pilot Piston, Normally Closed
Body; Stainless Steel
Seals: PTFE
Operating Temp -40 to 356 °F (-40 to180 °C)
Pressure: 87 to 1450 PSI;
Option: 87 to 2300 PSI;
Max. Pressure: 1450 PSI @ 72°F
Coil: Class H, IP65, 20-25W, CE
Service: Air, Liquid, Steam |
 | | 2LS150-5002 Way, Direct Lift Piston Normally Closed
Body; 304 Stainless Steel
Seals: PTFE
Media Temp. 23 to 356°F
Ambient Temp. 23-110°F
Pressure:
0 to 120 PSI AC Coil
0 to 80 PSI DC Coil
Option: 0 to 150 PSI
Coil: Class H, IP65
Service: Air, Liquid, Steam |
| | 200C-DinFor 2P, 2V, 3V & 4V
200-400 Series Solenoid Valves
3 W, 4.8W, 6.5W |
| | 2W200CFor 2S & 2W160-250 Series Solenoid Valves
with DIN and 5/16" Strain Relief Connection
Power Rating: 12W, 14W, 20W |
 | | 2WO250CFor 2L170Series Solenoid Valves
with DIN and 5/16" Strain Relief Connection
Power Rating Options: 25-30W |
 | | Digital ON/OFF Timer DIGITAL ON/OFF Timer Switch
ON/OFF Adjustment Duration:
ON: 0.5 second to 10 seconds
OFF: 0.5 second to 45 minutes
Size: 88 X 48 x 21 (mm)
24-240V DC or AC 50/60HZ, 1A,
Termination: DIN43650A
Protection: IP65, EN60529, for 2W200C, 2W350C, 2WO coils |
 | | ON/OFF TimerON/OFF Timer Switch
ON/OFF Adjustment Duration:
On 0.5 second to 10 seconds,
Off 0.5 to 45 minutes.
24-240V DC or AC 50/60HZ, 1A,
DIN43650A Connection, for 2W200C, 2W350C, 2WO coils |
 | | Power Save DeviceHigh Power Start Up Time: 0.3 - 2.5 seconds
Energy Save Rate: 15 to 85 %
Power Up Grade: 20 to 300% (AC only)
Size: 88 X 48 x 21 (mm)
Termination: DIN43650A
Protection: IP65, EN60529, for 2W200C, 2W350C, 2WO coils |
 | | Programmable Digital ON/OFF TimerPROGRAMMABLE DIGITAL ON/OFF Timer Switch
ON/OFF Single or Multi Cycles Adjustment Duration:
ON: 1 second to 99 hours
OFF: 1 second to 99 hours
Size: 88 X 48 x 21 (mm)
Termination: DIN43650A
Protection: IP65, EN60529, for 2W200C, 2W350C, 2WO coils |
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Process Valves
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 | | Needle ValveNPT Female
Max. Operating Pressure: 6000 PSIG (413 bar) @ 100 ºF*
Operating Temperature Range: -60 to 450ºF*
Panel Mount
Non-rotating, hardened needle design for leak-tight shutoff and long service life |
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Actuated Valves
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Air Valves
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Air Regulators
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Air Cylinders
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Home » About Us
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STC is headquartered in Silicon Valley, USA, and has ISO certified design and manufacturing facilities and an extensive network of quality partners and suppliers in China. With the design technology, engineering and quality management from the USA, coupled with advanced manufacturing technology and efficiency from China, STC is well positioned to deliver products with advanced design, precision engineered, and fine quality at excellent prices. STC is equipped to provide custom made products with the most stringent requirements in quality, pricing, support and service.
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| See What Our Customers Say | | | "Thanks for such a great product! If I need more solenoid controls, I will happily look to STC Valve first."
-Yvette H.
"I installed the parts, and everything worked perfectly. I had also mentioned on the phone, that I was extremely satisfied with my experience with STC, from the informative technical help, billing process and first contact at the front desk/switchboard. Thank you all, and please keep up the good work. It is a pleasure working with you all."
-Mark J.
"I am completely satisfied with your product and your service. The valve arrived much sooner than I expected and works great. Again, thanks a lot."
-Francisco R.
"Deliveries were as promised and came in a timely manner. We appreciate your service and look forward to working with you again."
-Austin W.
"I wanted to let you know that the process was extremely smooth and efficient. I got my valves last week, and am impressed with the quality of them so far. I'm very impressed with your company, and will use you again for any future needs."
-Brian L.
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