SHUT-OFF VALVE
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Catalog excerpts

SHUT-OFF VALVE - 1

The job of this valve is to make the circuit independent from the air supply. It is basically a three-way valve. In the closed position, it cuts off the air supply and discharges the downstream circuit at the same time, which is means it is particularly useful during servicing operations. The hand-operated version can be padlocked to lock the knob in a closed position so that it can only be opened by someone with the right key. An interlocked version is available for low pressure operation. N.B.: With size 400, when the V3V is mounted upstream of the regulator, the pilot regulator must be piloted at a pressure taken upstream of the V3V, otherwise when the system is relieved, most of the air downstream will be relieved by the regulator and not the V3V relief port. For connecting instruction see page C3.23 Skillair® SHUT-OFF VALVE TECHNICAL DATA COMPONENTS a Technopolymer body b Operating button c Technopolymer knob d Stainless steel safety lamination e Locking unit f OT58 brass piston rod g Anodized aluminium top plug h Zamak end plate i Valve with vulcanized NBR gasket j Anodized aluminium bottom plug k Stainless steel valve spring l NBR gaskets Threaded port 1/4” 3/8” 1/4” 3/8” 1/2” 1/2” 3/4” 1’’ 1’’ 1’’1/4 1’’1/2 2’’ Min. inlet pressure for solenoid version ** MPa 0.3 0.3 0.2 0.3 0.3 bar 3 3 2 3 3 psi 43.5 43.5 29 43.5 43.5 Max. input pressure* MPa 1.5 1.3 1.3 1.3 1.3 bar 15 13 13 13 13 psi 217 188 188 188 188 Flow rate at 6.3 bar (0.63 MPa to 91 psi) Nl/min 1300 2400 3200 13000 14000 ∆P 0.5 bar (0.05 MPa to 7 psi) scfm 46 85 113 460 494 Flow rate at 6.3 bar (0.63 MPa to 91 psi) Nl/min 1650 3000 4700 - ∆P 1 bar (0.1 MPa to 14 psi) scfm 58 106 166 - Max temperature °C 50 50 50 50 50 °F 122 122 122 122 122 Weight kg ~ 0.5 ~ 0.8 ~ 1.2 4.8 5.6 Wall fixing screws M4 x 50 M5 x 60 M5 x 70 M6 x 110 M6 x 110 Type of control Manual - Pneumatic - Solenoid Manual - Pneumatic - Solenoid Solenoid pilot-assisted Solenoid pilot-assisted - Key-operated Mounting position In any position. Fluid Filtered, lubricated or unlubricated compressed air. Lubrication, if used, must be continuous. Note * 1 MPa - 10 bar - 145 psi for solenoid version ** 0.01 MPa – 0.1 bar – 1.45 psi for manual, pneumatic and pilot-assisted versions with controls m

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