On-Off Valves and Soft Start

On-off or shut off valves are a necessary safety component of every pneumatic system. They can be used to exhaust downstream pressure when carrying out maintenance or as a convenient way to isolate supplied pressure. Soft start valves can be used to minimise system shock on start-up, by setting the initial rate of inflow and system pressurisation. A soft start valve will also exhaust the system quickly to allow safe servicing.

Page 1 of 9
  • Festo HEE-3/8-D-MINI-24 165074
    On/off valve


    Part No: HEE-3/8-D-MINI-24, 165074

    • Size: MINI
    • Control Voltage: 24V DC
    • Range: D Series
    • Actuation Type: Electrical
    • Pneumatic Connection: 3/8
    • Design: Electrical On-Off Valve
    • Nominal Flow Rate: 1600l/min
    £80.33 (Ex VAT)
    £96.40 (Inc VAT)
  • Festo MS6-EE-1/2-V24P 546816
    On/off valve


    Part No: MS6-EE-1/2-V24P, 546816

    • Size: MS6
    • Control Voltage: 24V DC, M12x1 Connection
    • Range: MS
    • Actuation Type: Electrical
    • Pneumatic Connection: 1/2
    • Design: Electrical On-Off Valve
    • Nominal Flow Rate: 7000l/min
    £85.75 (Ex VAT)
    £102.90 (Inc VAT)
  • Festo HE-1/2-D-MAXI 186514
    On/off valve


    Part No: HE-1/2-D-MAXI, 186514

    • Size: MAXI
    • Range: D Series
    • Actuation Type: Manual
    • Pneumatic Connection: 1/2
    • Design: Manual On-Off Valve
    • Nominal Flow Rate: 5600l/min
    £80.05 (Ex VAT)
    £96.06 (Inc VAT)
  • Festo HEE-3/4-D-MAXI-24 172950
    On/off valve


    Part No: HEE-3/4-D-MAXI-24, 172950

    • Size: MAXI
    • Control Voltage: 24V DC
    • Range: D Series
    • Actuation Type: Electrical
    • Pneumatic Connection: 3/4
    • Design: Electrical On-Off Valve
    • Nominal Flow Rate: 6000l/min
    £118.31 (Ex VAT)
    £141.98 (Inc VAT)
  • Camozzi MX2-1/2-V01
    Lockable isolation valve-1/2-3/2 valve-manual


    Part No: MX2-1/2-V01

    • Size: 2
    • Range: MX
    • Actuation Type: Manual Control
    • Pneumatic Connection: 1/2
    £71.20 (Ex VAT)
    £85.44 (Inc VAT)
  • Festo HEE-1-D-MAXI-230 172955
    On/off valve


    Part No: HEE-1-D-MAXI-230, 172955

    • Size: MAXI
    • Control Voltage: 230V AC
    • Range: D Series
    • Actuation Type: Electrical
    • Pneumatic Connection: 1
    • Design: Electrical On-Off Valve
    • Nominal Flow Rate: 6500l/min
    £122.66 (Ex VAT)
    £147.19 (Inc VAT)
  • Festo MS4-EM1-1/4-Z 541261
    On/off valve


    Part No: MS4-EM1-1/4-Z, 541261

    • Size: MS4
    • Range: MS
    • Actuation Type: Manual
    • Pneumatic Connection: 1/4
    • Design: Manual On-Off Valve
    • Nominal Flow Rate: 190l/min
    £30.26 (Ex VAT)
    £36.31 (Inc VAT)
  • Festo HEE-1-D-MAXI-110 172954
    On/off valve


    Part No: HEE-1-D-MAXI-110, 172954

    • Size: MAXI
    • Control Voltage: 110V AC
    • Range: D Series
    • Actuation Type: Electrical
    • Pneumatic Connection: 1
    • Design: Electrical On-Off Valve
    • Nominal Flow Rate: 6500l/min
    £122.66 (Ex VAT)
    £147.19 (Inc VAT)
  • Festo HE-1-D-MAXI 162813
    On/off valve


    Part No: HE-1-D-MAXI, 162813

    • Size: MAXI
    • Range: D Series
    • Actuation Type: Manual
    • Pneumatic Connection: 1
    • Design: Manual On-Off Valve
    • Nominal Flow Rate: 6500l/min
    £80.05 (Ex VAT)
    £96.06 (Inc VAT)
  • Camozzi MX3-3/4-V17
    Isolation valve-3/4-3/2-servo pilot control


    Part No: MX3-3/4-V17

    • Size: 3
    • Range: MX
    • Actuation Type: Servo-pilot Control
    • Pneumatic Connection: 3/4
    £107.18 (Ex VAT)
    £128.61 (Inc VAT)
  • Festo MS4-EE-1/4-V110 529535
    On/off valve


    Part No: MS4-EE-1/4-V110, 529535

    • Size: MS4
    • Control Voltage: 110V AC
    • Range: MS
    • Actuation Type: Electrical
    • Pneumatic Connection: 1/4
    • Design: Electrical On-Off Valve
    • Nominal Flow Rate: 2000l/min
    £78.60 (Ex VAT)
    £94.32 (Inc VAT)
  • Festo MS6-DL-1/2-Z 529818
    Soft start valve


    Part No: MS6-DL-1/2-Z, 529818

    • Size: MS6
    • Range: MS
    • Pneumatic Connection: 1/2
    • Design: Pneumatically Operated Soft-Start Valve
    • Nominal Flow Rate: 6450l/min
    £63.09 (Ex VAT)
    £75.71 (Inc VAT)
  • Camozzi MD1-V36-1/4
    Pneumatic On-off Valve


    Part No: MD1-V36-1/4

    £56.45 (Ex VAT)
    £67.74 (Inc VAT)
  • Festo MS6-EE-1/2-V230 529825
    On/off valve


    Part No: MS6-EE-1/2-V230, 529825

    • Size: MS6
    • Control Voltage: 230V AC
    • Range: MS
    • Actuation Type: Electrical
    • Pneumatic Connection: 1/2
    • Design: Electrical On-Off Valve
    • Nominal Flow Rate: 7000l/min
    £85.75 (Ex VAT)
    £102.90 (Inc VAT)
  • Festo MS6-EM1-3/8-S 541276
    On/off valve


    Part No: MS6-EM1-3/8-S, 541276

    • Size: MS6
    • Range: MS
    • Actuation Type: Manual
    • Pneumatic Connection: 3/8
    • Design: Manual On-Off Valve
    • Nominal Flow Rate: 655l/min
    £48.32 (Ex VAT)
    £57.98 (Inc VAT)
  • Festo MS4-EM1-1/4-S 541259
    On/off valve


    Part No: MS4-EM1-1/4-S, 541259

    • Size: MS4
    • Range: MS
    • Actuation Type: Manual
    • Pneumatic Connection: 1/4
    • Design: Manual On-Off Valve
    • Nominal Flow Rate: 210l/min
    £33.46 (Ex VAT)
    £40.15 (Inc VAT)
  • Festo HEE-1/4-D-MIDI-24 186515
    On/off valve


    Part No: HEE-1/4-D-MIDI-24, 186515

    • Size: MIDI
    • Control Voltage: 24V DC
    • Range: D Series
    • Actuation Type: Electrical
    • Pneumatic Connection: 1/4
    • Design: Electrical On-Off Valve
    • Nominal Flow Rate: 2600l/min
    £95.80 (Ex VAT)
    £114.96 (Inc VAT)
  • Festo MS6-EE-1/4-10V24-S 542604
    On/off valve


    Part No: MS6-EE-1/4-10V24-S, 542604

    • Size: MS6
    • Control Voltage: 24V DC
    • Range: MS
    • Actuation Type: Electrical
    • Pneumatic Connection: 1/4
    • Design: Electrical On-Off Valve
    • Nominal Flow Rate: 2600l/min
    £96.89 (Ex VAT)
    £116.27 (Inc VAT)
  • Camozzi MD1-V16-10
    Electric On-off Valve


    Part No: MD1-V16-10

    £67.02 (Ex VAT)
    £80.42 (Inc VAT)
  • Festo HEE-1/4-D-MINI-24 165071
    On/off valve


    Part No: HEE-1/4-D-MINI-24, 165071

    • Size: MINI
    • Control Voltage: 24V DC
    • Range: D Series
    • Actuation Type: Electrical
    • Pneumatic Connection: 1/4
    • Design: Electrical On-Off Valve
    • Nominal Flow Rate: 1500l/min
    £80.33 (Ex VAT)
    £96.40 (Inc VAT)
  • Festo MS6-DE-1/4-10V24 542564
    Soft start valve


    Part No: MS6-DE-1/4-10V24, 542564

    • Size: MS6
    • Control Voltage: 24V DC
    • Range: MS
    • Actuation Type: Electrical
    • Pneumatic Connection: 1/4
    • Design: Electrically Operated Soft-Start Valve
    • Nominal Flow Rate: 2800l/min
    £140.32 (Ex VAT)
    £168.38 (Inc VAT)
  • Festo MS4-EE-1/4-10V24-S 542598
    On/off valve


    Part No: MS4-EE-1/4-10V24-S, 542598

    • Size: MS4
    • Control Voltage: 24V DC
    • Range: MS
    • Actuation Type: Electrical
    • Pneumatic Connection: 1/4
    • Design: Electrical On-Off Valve
    • Nominal Flow Rate: 2000l/min
    £78.78 (Ex VAT)
    £94.54 (Inc VAT)
  • Festo MS4-DE-1/4-V230 529521
    Soft start valve


    Part No: MS4-DE-1/4-V230, 529521

    • Size: MS4
    • Control Voltage: 230V AC
    • Range: MS
    • Actuation Type: Electrical
    • Pneumatic Connection: 1/4
    • Design: Electrically Operated Soft-Start Valve
    • Nominal Flow Rate: 2000l/min
    £120.02 (Ex VAT)
    £144.03 (Inc VAT)
  • Camozzi MD1-V36-10
    Pneumatic On-off Valve


    Part No: MD1-V36-10

    £59.78 (Ex VAT)
    £71.73 (Inc VAT)
Page 1 of 9

What Are On-Off Valves and Soft Start?

Many on-off and soft start valves are supplied as modules that can conveniently be connected with other components in an FRL assembly. Electric units will integrate easily with machine controls, while manual units may be used to isolate power by locking them in the exhaust position. Simple on-off valves can be of the quarter turn ball variety, venting downstream pressure through an exhaust port when the handle is turned to turn off inlet pressure. Space-saving three-port valves with a modular connection can also provide residual pressure relief in a pneumatic system, as well as downstream exhaust for maintenance purposes.

Soft start valves enable the initial pressurisation of a pneumatic system to be effected gradually, while still allowing for quick downstream exhaust. The direction of air flow can be changed and easily identified by the orientation of operational handles and/or labels. Soft start valves offer improved airflow and energy efficiency, and can be used as self-contained units or as part of an FRL assembly with modular spacers. Some options also include a lock-out capability for safer servicing.

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