Call us at (650) 938-8833 or email us at Sales@StcValve.net.
Air Valves / Manual Air Valves / Foot Operated Air Valves
STC provides a large selection of manual air valves, foot-operated air valves, and lever operated air valves for a variety of pneumatic applications. We have a large stock of products in our California warehouse, ready to be shipped out same-day! STC is your source for pneumatic components of all types!
*DESIGN CHANGES* Please note that design changes will be implemented for the 4H230C, 4H230E, 3R210-1/4, and 4R210-1/4 valve models. For a detailed explanation of the changes, please see the following document: Pneumatic Valve Design Changes
STC Manual Air Valves |
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| Item | # Way/Port/ Position |
Part No. | List Price | Picture | Port Size (NPT) | Description | Pneumatic Symbol |
| Three Way, Three Port, Two Position Valves (3/2) | |||||||
| 1 | 3 Way 3 Port 2 Position | MSV-98322TB | $32.94 |
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1/4" NPT | Two Position Switch Cv 0.89 |
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| 2 | MSV-98322EB | $32.94 |
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1/4" NPT | Emergency Stop Detented Cv 0.89 |
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| 3 | MSV-98322PB | $34.07 |
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1/4" NPT | Palm Button Momentary Cv 0.89 |
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| 4 | MSV-98322PP | $32.94 |
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1/4" NPT | Push Button Momentary Cv 0.89 |
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| 5 | MSV-98322R | $32.94 |
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1/4" NPT | Roller Lever Momentary Cv 0.89 |
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| 6 | MSV-98322 | $32.94 |
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1/4" NPT | Pin Plunger Valves | |
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| 7 | TSV98322M TSV98322S |
$34.73 |
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1/4" NPT | Lever M = Detented S = Non-Detented |
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| 8 | 3R210-1/4M 3R210-1/4S |
$23.95 |
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1/4" NPT | Pull/Push M = Detented S = Non-Detented |
3R210-1/4 Design Changes |
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| Four Way, Five Port, Two Position Valves (5/2) | |||||||
| 9 | 4 Way 5 Port 2 Position | MSV-86522TB | $34.73 |
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1/4" NPT | Two Position Detented Switch Cv 0.89 |
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| 10 | MSV-86522EB | $34.73 |
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1/4" NPT | Emergency Stop Detented Cv 0.89 |
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| 11 | MSV-86522PB | $34.73 |
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1/4" NPT | Palm Button Momentary Cv 0.89 |
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| 12 | MSV-86522PP | $34.73 |
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1/4" NPT | Push Button Momentary Cv 0.89 |
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| 13 | MSV-86522PPL | $34.73 |
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1/4" NPT | High Push Button Momentary Cv 0.89 |
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| 14 | MSV-86522R | $34.73 |
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1/4" NPT | Roller Lever Cv 0.89 |
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| 15 | MSV-86522 | $34.73 |
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1/4" NPT | Pin Plunger Valve | |
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| 16 | TSV86522M TSV86522S |
$36.59 |
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1/4" NPT | Lever M = Detented S = Non-Detented |
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| 17 | 4R210-1/4M 4R210-1/4S |
$24.57 |
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1/4" NPT | Pull/Push M = Detented S = Non-Detented |
 4R210-1/4 Design Changes |
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| 18 | MPV522 | $49.32 |
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1/4" NPT | Toggle Switch Cv 0.89 |
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| Three Way, Two Port, Two Position Valves (3/2) | |||||||
| 19 | 3 Way 2 Port 2 Position | MOV-01 | $20.97 |
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1/8" NPT | Two Position Switch Cv 0.67 |
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| 20 | MOV-02 | $20.97 |
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1/8" NPT | Roller Lever Normally Closed Cv 0.67 |
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| 20 | MOV-03EB | $20.97 |
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1/8" NPT | Emergency Stop Momentary Cv 0.67 |
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| 21 | MOV-03PL | $20.97 |
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1/8" NPT | Push Button Momentary Cv 0.67 |
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| 22 | MOV-03PP | $20.97 |
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1/8" NPT | Flush Push Button Momentary Cv 0.67 |
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| 22 | MOV-03PB | $20.97 |
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1/8" NPT | (Green) Palm Button Momentary Cv 0.67 |
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| Four Way, Five Port, Three Position Valves (5/3) | |||||||
| 23 | 4 Way 5 Port 3 Position | 4H230C-M 4H230C-S |
$75.79 |
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1/4" NPT | Closed Center Lever Air Valve M = Detented S = Non-Detented |
 4H230C Design Changes |
| 24 | 4H230E-M 4H230E-S |
$75.79 | 1/4" NPT | Exhaust Center Lever Air Valve M = Detented S = Non-Detented |
 4H230E Design Changes |
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| 25 | 4H230P-M 4H230P-S |
$75.79 | 1/4" NPT | Pressure Center Lever Air Valve M = Detented S = Non-Detented |
 4H230P Design Changes |
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| 26 | 4 Way 4 Port 2 Position | HV 410 | $37.74 |
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1/4" NPT | Hand Valve Cv 1.68 |
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| 27 | 4 Way 4 Port 3 Position | HV 420 | $37.74 | 1/4" NPT | Hand Valve Closed Center Cv 1.68 |
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| Foot Operated Air Valves | |||||||
| 28 | 2 Way 2 Port 2 Position | FV220-1/4 | $40.13 |
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1/4" NPT | Foot Valve Momentary |
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| 29 | 3 Way 3 Port 2 Position | FV320-1/4 | $40.13 |
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1/4" NPT | Foot Valve Momentary |
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| 30 | 4 Way 4 Port 2 Position | FV420-1/4 | $42.53 |
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1/4" NPT | Foot Valve Momentary |
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| 31 | 4 Way 5 Port 2 Position | 4F210 | $48.52 |
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1/4" NPT | Foot Valve Momentary |
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| 32 | 4F210L | $62.27 |
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1/4" NPT | Foot Valve Detented |
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| 33 | 4F210G | $76.05 |
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1/4" NPT | Shielded Foot Valve Momentary |
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| 34 | 4F210GL | $97.64 |
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1/4" NPT | Shielded Foot Valve Detented |
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| Model | Quick Exhaust | Shuttle Valve | In-Line Flow Control (Panel Mount) |
In-Line Flow Control | Speed Control Muffler | Muffler | Union Valve | |||||||
| QE | ST | ASC | AS | BESL | BSL | UV | ||||||||
| Tube OD | Part No. | Price | Part No. | Price | Part No. | Price | Part No. | Price | Part No. | Price | Part No. | Price | Part No. | Price |
| 10-32 | BSL 10-32 | $1.16 | ||||||||||||
| 1/8" | QE N1/8 | $16.54 | ST N1/8 | $16.54 | ASC N1/8 | $15.57 | AS N1/8 | $10.00 | BESL N1/8 | $4.23 | BSL N1/8 | $1.16 | UV 6-6 | $14.00 |
| 1/4" | QE N1/4 | $18.69 | ST N1/4 | $18.69 | ASC N1/4 | $15.57 | AS N1/4 | $10.00 | BESL N1/4 | $6.00 | BSL N1/4 | $2.24 | UV 1/4-1/4 | $14.00 |
| 3/8" | QE N3/8 | $18.69 | ST N3/8 | $18.69 | ASC N3/8 | $17.97 | AS N3/8 | $11.98 | BESL N3/8 | $9.20 | BSL N3/8 | $3.39 | ||
| 1/2" | QE N1/2 | $21.28 | ST N1/2 | $30.50 | ASC N1/2 | $21.56 | AS N1/2 | $18.75 | BESL N1/2 | $12.64 | BSL N1/2 | $5.21 | ||
| 3/4" | QE N3/4 | $76.51 | ||||||||||||
Specifications |
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| Model No. | FV Series | HV Series | MOV Series | MPV Series | MSV Series | TSV Series | 3R-4R Series | 4F Series | 4H Series |
| Description | Foot Valves | Hand Valves | Hand Valves | Toggle Valves | Hand Valves | Lever Valves | Pull/Push Valves | Foot Valves | Lever Valves |
| Cv | 0.89 | 1.68 | 0.67 | 1.0 | 0.89 | 1.0 | 0.89 | 1.68 | 0.89 |
| Operating Pressure | 0 to 150PSI | ||||||||
| Operating Temperature | 23 to 140°F (-5 to 60°C) | ||||||||
| Action | Direct Acting | ||||||||
| Working Medium | 40 micron filtered air or inert gas | ||||||||
| Body Material | Aluminum (Anodized) | ||||||||
| Seal Material | NBR | ||||||||
| Lubrication | Not Required | ||||||||
Specifications |
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| Model No. | ASC Series | AS Series | QE Series | ST Series |
| Description | Flow Control Valves | Flow Control Valves | Quick Exhaust Valves | Shuttle Valves |
| Orifice (mm) | 1/8" = 4.6; 1/4" = 6.0; 3/8" = 6.2; 1/2" = 9.6; 3/4" = 9.8 | |||
| Operating Pressure | 0 to 150PSI | |||
| Operating Temperature | 32 to 140°F (0 to 60°C) | |||
| Working Medium | 40 micron filtered air or inert gas | |||
| Body Material | Aluminum (Anodized) | |||
| Seal Material | NBR | |||
| Lubrication | Not Required | |||
| 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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Sizto Tech Corporation © 2001- All rights reserved. Last modified: June 9, 2016. Information contained herein may be changed without prior notification. |
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