Air service units Series 1700 2 AIR TREATMENT 2 | 138 Overall dimensions and technical information are provided solely for informative purpose and may be modified without notice. Technical characteristics Size Size 1 Size 2 Size 3 Body and connections type Zinc alloy body, Zinc alloy integrated connections Technopolymer body, metal connections Aluminium body, integrated aluminium connections Operated type Pneumatic IN / OUT connections G1/4” G3/8” G1/2” Discharge connections G1/8” G1/4” G3/8” Pilot connections G1/8” Assembly configuration Stand alone Panel mounted with M4 screws Stand alone Panel mounted with M5 screws Stand alone Panel mounted with M6 screws Assembly position Indifferent Max. fittings torque IN / OUT connections G1/4” metal: 20 G3/8” metal: 25 G1/2” metal: 30 Operational characteristics Size Size 1 Size 2 Size 3 Maximum working pressure (bar) 13 Minimum working pressure (bar) 2 Piloting pressure (bar) 2 Nominal flow rate at 6 bar with ∆p=1 (Nl/min) 1000 2100 3200 Working temperature (°C) -5 ÷ +50 Weights Size Size 1 Size 2 Size 3 Zinc alloy body version (g) 310 / / Technopolymer body version (g) 180 / / Aluminium body version (g) / 405 645 3/2 N.C. poppet valve for entering and exhausting the circuit It allows to pneumatically supply the part of the system downstream of the valve Opening and closing of the valve via pneumatic operator The piloting pressure must be minimum 2 bar or higher The air supply can only be done via port 1 Ensure that the downstream air consumption will not cause a pressure drop which could result in the pressure falling below the minimum operating values If the pressure inside the valve falls below 2 bars , the valve might shut off Atex certification (II 2GD o II 3GD) on request Pneumatic shut-off valve
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