Overall dimensions and technical information are provided solely for informative purposes and may be modified without notice Accessories - Function fittings Series 55 Tecno-FUN 1 Air distribution 1 | 361 ►In line progressive start-up valve A B 18 30 18.5 25 42.6 1.8 13.5 15 3.2 Coding: 551.181.A.B.XX A CONNECTION A SEE CONNECTIONS LIST B CONNECTION B SEE CONNECTIONS LIST CONNECTIONS LIST 00 = None D4 = Straight Ø4 D6 = Straight Ø6 D8 = Straight Ø8 L1 = Female banjo G1/8" G4 = Rotating banjo Ø 4 G6 = Rotating banjo Ø 6 G8 = Rotating banjo Ø 8 M1 = G1/8" male M2 = G1/4" male F1 = G1/8" female Example: 551.181.D6.D4.XX In line progressive start-up valve. Connections "A" Tube Ø6, "B" Tube Ø4 NOTE : For the dimension including cartridges see page Accessories - Function fittings Construction characteristics - The soft start valve is a device designed to gradually pressurise the downstream circuit until 50% of the upstream pressure value is reached. - Once the 50% of the upstream pressure value is reached in the down stream circuit the valve fully opens allowing full air passage. - The filling time can be adjusted thanks to the built in flow regulator. - This device is used in order to ensure that during the pneumatic circuit start up the cylinders will return to theirs home position slowly avoiding collisions or sudden movements. Technical characteristics Fluid Filtered air. No lubrication needed, if applied it shall be continuous Working ports size See CONNECTIONS LIST Opening pressure (Pa) 50% of the inlet pressure (Pi) Flow rate at 6 bar with free exhaust (Nl/min) from 1 to 2 with opening ciruit 350 Flow rate at 6 bar with ∆p=1 from 1 to 2 with opening ciruit 600 Flow rate at 6 bar with ∆p=1 from 2 to 1 with opening pin 650 Temperature °C -5 ÷ +50 Weight (g) 31 ►90° progressive start-up valve B A 47.6 1.8 30 18.5 18 3.2 25 13.5 15 Coding: 551.281.A.B.XX A CONNECTION A SEE CONNECTIONS LIST B CONNECTION B SEE CONNECTIONS LIST L CONNECTIONS LIST 00 = None D4 = Straight Ø4 D6 = Straight Ø6 D8 = Straight Ø8 L1 = Female banjo G1/8" G4 = Rotating banjo Ø 4 G6 = Rotating banjo Ø 6 G8 = Rotating banjo Ø 8 M1 = G1/8" male M2 = G1/4" male F1 = G1/8" female Example: 551.281.M1.D4.XX 90° progressive start-up valve. connections "A" Male G1/8", "B" Tube Ø4 NOTE : For the dimension including cartridges see page Accessories - Function fittings Construction characteristics - The soft start valve is a device designed to gradually pressurise the downstream circuit until 50% of the upstream pressure value is reached. - Once the 50% of the upstream pressure value is reached in the down stream circuit the valve fully opens allowing full air passage. - The filling time can be adjusted thanks to the built in flow regulator. - This device is used in order to ensure that during the pneumatic circuit start up the cylinders will return to theirs home position slowly avoiding collisions or sudden movements. Technical characteristics Fluid Filtered air. No lubrication needed, if applied it shall be continuous Working ports size See CONNECTIONS LIST Opening pressure (Pa) 50% of the inlet pressure (Pi) Flow rate at 6 bar with free exhaust (Nl/min) from 1 to 2 with opening ciruit 350 Flow rate at 6 bar with ∆p=1 from 1 to 2 with opening ciruit 600 Flow rate at 6 bar with ∆p=1 from 2 to 1 with opening pin 650 Temperature °C -5 ÷ +50 Weight (g) 31
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