155 Overall dimensions and technical information are provided solely for informative purposes and may be modified without notice Function fittings Series TECNOFUN Pneumatic fittings Valves and function fittings 551.1GT.A.B.XX In line blocking valve + quick exhaust valve ART. Technical characteristics • The combination of this two functions ensures that the downstream pressure is maintained in case of accidental loss of supply pressure and at the same time allows for the air to be directly discharged into the atmosphere without going through the pneumatic circuit. A typical application of this combination is close to or directly assembled onto the actuator connection ports. This allows to keep pressurised the cylinder chamber in case of accidental loss of supply pressure and to quickly discharge the same chamber when the blocking valve is actuated. • The possible combinations are the following: - Unidirectional blocking valve + quick exhaust valve - Bidirectional blocking valve + quick exhaust valve Technical characteristics • Fluid: Filtered and lubricated air or non • Working ports size: see connections list • Max working pressure: 0,5 ... 10 bar • Temperature: -5 °C ... + 50 °C • Flow rate at 6 bar with Δp=1 (Nl/min): 285 Nl/min • Weight: 51 g Pneumatic symbols TYPE T 1 = Unidirectional blocking valve + quick exhaust valve 2 = Bidirectional blocking valve + quick exhaust valve A Connection A - see connections list B Connection B - see connections list SEE CONNECTIONS LIST 00 = None D4 = Straight Ø4 D6 = Straight Ø6 D8 = Straight Ø8 L1 = Female banjo G1/8” G4 = Rotating banjo Ø4 G6 = Rotating banjo Ø6 G8 = Rotating banjo Ø8 M1 = G1/8” male M2 = G1/4” male F1 = G1/8” female Note: Example: 5511G1.00.00.XX In line blocking valve + quick exhaust valve. Without connections “A” and “B”. For the dimension including cartridges see page Accessories - Function fittings Piloting curves Supply pressure (bar) Piloting pressure (bar) 6 18 12.5 18 60.5 32.5 18.5 25 39 14 3.2 M5 A B
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