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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
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 $45.77 3 Way Air Valve 1/4" NPT Two Position Switch
Cv 0.89		 Two Position Switch Air Valve
2 MSV-98322EB $45.77 Emengency Stop Air Valve 1/4" NPT Emergency Stop
Detented
Cv 0.89		 Two Position Switch Air Valve
3 MSV-98322PB $47.32 Manual 3 Way Air Valve 1/4" NPT Palm Button
Momentary
Cv 0.89		 Two Position Push Button Air Valve
4 MSV-98322PP $45.77 Push Button Air Valve 1/4" NPT Push Button
Momentary
Cv 0.89		 Two Position Push Button Air Valve
5 MSV-98322R $45.77 Roller 3 Way Air Valve 1/4" NPT Roller Lever
Momentary
Cv 0.89		 Two Position Push Button Air Valve
6 MSV-98322 $45.77 Proximity Air Valve 1/4" NPT Pin Plunger Valves
Cv 0.89		 Two Position Push Button Air Valve
7 TSV98322M
TSV98322S		 $48.24 Hand Operted 3 Way Air Valve 1/4" NPT Lever
M = Detented
S = Non-Detented		 Two Position Lever Air Valve
8 3R210-1/4M
3R210-1/4S		 $33.27 Push Pull Air Valve 1/4" NPT Pull/Push
M = Detented
S = Non-Detented		 Two Position Switch Air Valve
3R210-1/4 Design Changes
Four Way, Five Port, Two Position Valves (5/2)
9 4 Way 5 Port 2 Position MSV-86522TB $48.24 Manual Air Valve 1/4" NPT Two Position
Detented Switch
Cv 0.89		 Two Position Detented Switch Air Valve
10 MSV-86522EB $48.24 Emergency Air Valve 1/4" NPT Emergency Stop
Detented
Cv 0.89		 Two Position Detented Switch Air Valve
11 MSV-86522PB $48.24 Palm Buttom Air Valve 1/4" NPT Palm Button
Momentary
Cv 0.89		 Two Position Push Button Air Valve
12 MSV-86522PP $48.24 Push Button Air Valve 1/4" NPT Push Button
Momentary
Cv 0.89		 Two Position Push Button Air Valve
13 MSV-86522PPL $48.24 Push Button Air Valve 1/4" NPT High Push Button
Momentary
Cv 0.89		 Two Position Push Button Air Valve
14 MSV-86522R $48.24 Proximity Air Valve 1/4" NPT Roller Lever
Cv 0.89		 Two Position Push Button Air Valve
15 MSV-86522 $48.24 Proximity Air Valve 1/4" NPT Pin Plunger Valve
Cv 0.89		 Two Position Push Button Air Valve
16 TSV86522M
TSV86522S		 $55.89 Air Toggle Valve 1/4" NPT Lever
M = Detented
S = Non-Detented		 Two Position Lever Air Valve
17 4R210-1/4M
4R210-1/4S		 $37.55 Push Pull Air Valve 1/4" NPT Pull/Push
M = Detented
S = Non-Detented		 Four Way Push Pull Air Valve
4R210-1/4 Design Changes
18 MPV522 $68.51 Toggle Air Valve 1/4" NPT Toggle Switch
Cv 1.00		 Two Position Lever Air Valve
Three Way, Two Port, Two Position Valves (3/2)
19 3 Way 2 Port 2 Position MOV-01 $29.13 Air Valve 1/8" NPT Two Position Switch Detented
Cv 0.67		 Two position 3-way switch valve
20 MOV-02 $29.13 Roller 3 Way Air Valve 1/8" NPT Roller Lever
Momentary
Cv 0.67		 Two position 3-way switch valve
20 MOV-03EB $29.13 Emergency Air Valve 1/8" NPT Emergency Stop
Detented
Cv 0.67		 Two position 3-way switch valve
21 MOV-03PL $29.13 3 Way Air Valve 1/8" NPT Push Button
Momentary
Cv 0.67		 Two position 3-way switch valve
22 MOV-03PP $29.13 3 Way Air Valve 1/8" NPT Flush Push Button
Momentary
Cv 0.67		 Two position 3-way switch valve
22 MOV-03PB $29.13 3-Way-Air Valve 1/8" NPT Palm Button
Momentary
Cv 0.67		 Two position 3-way switch valve
Four Way, Five Port, Three Position Valves (5/3)
23 4 Way 5 Port 3 Position 4H230C-M
4H230C-S		 $105.27 3 Position Air Valve 1/4" NPT Closed Center Lever Air Valve
M = Detented
S = Non-Detented		 3 Position Air Valve
4H230C Design Changes
24 4H230E-M
4H230E-S		 $105.27 1/4" NPT Exhaust Center Lever Air Valve
M = Detented
S = Non-Detented		 3 Position Air Valve
4H230E Design Changes
25 4H230P-M
4H230P-S		 $105.27 1/4" NPT Pressure Center Lever Air Valve
M = Detented
S = Non-Detented		 3 Position Air Valve
4H230P Design Changes
26 4 Way 4 Port 2 Position HV 410 $52.42 Manual Air Valve 1/4" NPT Hand Valve
Cv 1.68
27 4 Way 4 Port 3 Position HV 420 $52.42 1/4" NPT Hand Valve
Closed Center
Cv 1.68
Foot Operated Air Valves
28 2 Way 2 Port 2 Position FV220-1/4 $55.74 Foot Valve 1/4" NPT Foot Valve
Momentary		 Two Way Foot Operated Air Valve Pneumatic Symbol
29 3 Way 3 Port 2 Position FV320-1/4 $55.74 Foot Valve 1/4" NPT Foot Valve
Momentary		 Three Way Foot Operated Air Valve Pneumatic Symbol
30 4 Way 4 Port 2 Position FV420-1/4 $59.08 Foot Operated Air Valve 1/4" NPT Foot Valve
Momentary		 Four Way Foot Operated Air Valve Pneumatic Symbol
31 4 Way 5 Port 2 Position 4F210-1/4 $67.39 Foot Operated Air Valve 1/4" NPT Foot Valve
Momentary		 Four Way Foot Operated Air Valve Pneumatic Symbol
32 4F210L-1/4 $86.48 Foot Operated 4 Way Valve 1/4" NPT Foot Valve
Detented		 Four Way Foot Operated Air Valve Pneumatic Symbol
33 4F210G-1/4 $105.63 Shielded Foot Operated Air Valve 1/4" NPT Shielded Foot Valve
Momentary		 Four Way Foot Operated Air Valve Pneumatic Symbol
34 4F210GL-1/4 $135.61 Shielded Foot Operated Air Valve 1/4" NPT Shielded Foot Valve
Detented		 Four Way Foot Operated Air Valve Pneumatic Symbol

  Quick Exhaust Valve Shuttle Valve Speed Control Silencer AIR SILENCER
Model Quick Exhaust Shuttle Valve Speed Control Muffler Muffler
QE ST BESL BSL
Tube OD Part No.Price Part No.Price Part No.Price Part No.Price
10-32       BSL 10-32 $1.61
1/8" QE N1/8 $22.98 ST N1/8 $22.98 BESL N1/8 $5.87 BSL N1/8 $1.61
1/4" QE N1/4 $25.96 ST N1/4 $25.96 BESL N1/4 $8.33 BSL N1/4 $3.12
3/8" QE N3/8 $25.96 ST N3/8 $25.96 BESL N3/8 $12.78 BSL N3/8 $4.72
1/2" QE N1/2 $29.56 ST N1/2 $42.37 BESL N1/2 $17.56 BSL N1/2 $7.23
  Speed Control Valve In Line Speed Control Valve Plug Valve Push In Fitting
Model In-Line Flow Control
(Panel Mount)		 Namur Flow Control Adaptor In-Line Flow Control Union Valve
ASC ASC AS UV
Tube OD Part No.Price Part No.Price Part No.Price Part No.Price
1/8" ASC N1/8 $21.63    AS N1/8 $13.89 UV 6-6 $19.46
1/4" ASC N1/4 $21.63 ASC N1/4B $22.55 AS N1/4 $13.89 UV 1/4-1/4 $19.46
3/8" ASC N3/8 $24.97    AS N3/8 $16.64
1/2" ASC N1/2 $29.95    AS N1/2 $26.05

Specifications
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 116PSI
Operating Temperature 14 to 140°F (-10 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
Model No. ASC Series AS Series QE Series ST Series
Description Flow Control Valves Flow Control Valves Quick Exhaust Valves Shuttle Valves
Orifice (mm) N1/8" = 4.5mm (Cv = 0.75)
N1/4" = 4.5mm (Cv = 0.75)
N3/8" = 5.0mm (Cv = 1.0)
N1/2" = 5.0mm (Cv = 1.0)		 N1/8" = 4.6mm
N1/4" = 6.0mm
N3/8" = 6.2mm
N1/2" = 9.6mm
N3/4" = 9.8mm
Operating Pressure 0 to 140PSI 7 to 145PSI 0 to 145PSI
Operating Temperature 14 to 140°F (-10 to 60°C)
Working Medium 40 micron filtered air or inert gas
Body Material Aluminum (Anodized)
Seal Material NBR
Lubrication Not Required

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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