REGULATORS Overall dimensions and technical information are provided solely for informative purposes and may be modified without notice 116 Construction characteristics Technical characteristics - Precision in keeping the set pressure value. - Sensitivity combined with high flow rate of the downstream overpressure discharge valve. - High flow rate with very low pressure drop. - Setting knob can be locked using pressure into the desired position. - Body made of light alloy. - Two attachments for vacuum gauge with a cap equipped with a gasket. - Ring nut for panel mounting. - Once the reducer has been placed under vacuum, air intake through the appropriate orifice. Connections G1/4" Max. working pressure (-kPa) 101 Working temperature °C -5 ... +50 Pressure gauge connections G1/8" Weight (g) 400 Mounting position indifferent Max. fitting torque (Nm) 25 Fluid Filtered air 20 μm Diameter of panel mounting orifice (mm) 30 Manual regulator Series 1700 Vacuum degree regulation for applications requiring high stability and accuracy. It have the function of regulating the negative vacuum pressure, keeping it stable at set value regardless of flow and variations in the degree of vacuum in the primary network. The units are of a double diaphragm construction and have been designed to exploit to their advantage any existing pressure differential between the Ordering code 171S2B000V 3,47 74 3,121 02 531 G1/4" 26 G1/8" M4 45 M30x1.5 01 562 45 G1/4" G1/8" Example: 171S2B000V Regulator for vacuum G1/4" Flow rate chart Adjustment characteristic 80 70 60 50 40 30 20 10 0 0 20 40 60 80 100 120 140 160 180 Vacuum (-kPa) Flow rate (Nl/min) 60 70 40 50 20 30 10 0 35 40 45 50 55 60 65 70 75 80 85 10 Nl/min Input vacuum (-kPa) Regulated vacuum (-kPa) Regulator for vacuum secondary depression and atmospheric pressure. The degree of vacuum is obtained by rotating the adjusting knob, rotating it clockwise to increase the amount of vacuum and anti clockwise to decrease it. They are used in all centralized systems where regardless of the vacuum in the main network a lower vacuum level is required for other applications. Catalogue Vacuum technology Regulators Serie 1700
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