Page 67 - Dual-line-automatic
P. 67

Electric pressure switch


           DW

                                                                                                                      Pressure sensors




























           Description
                                                                Technical data
           Electric pressure switches are used to monitor the operating
           pressure of the pump  They are installed at the pressure outlet of   Function principle  electric pressure switch
            the pump and will switch off the pump if an overpressure occurs   Operating temperature  –25 to +85 °C, +13 to +185 °F
                                                                                    0–600 bar, 0–8 700 psi
                                                                Operating pressure
           downstream in the system                             Input data measuring range  0–600 bar; 0–8 700 psi
                                                                                    overload pressure: 750 bar; 10 870 psi
                                                                                    burst pressure: 800 bar; 11 600 psi
           Features and benefits                                Output data         accuracy >=0,5% full scale
                                                                Analog output
                                                                                    signal 4–20 mA
                                                                Switching output    type PNP transistor output
           •  Protects the system from damage
                                                                                    switching current max  0,5 A
             caused by overpressure                             Supply voltage      18–36 V DC
                                                                                      1
                                                                Hydraulic connection  G  /4
           •  All parameters can be set by keypad               Protection class    IP 67
           •  Adjustable keypad lock                            Dimensions          94 × 34 × 49 mm; 3.7 × 1.34 × 1.93 in
                                                                Mounting position   any
           •  Rugged construction, vibration and shock-proof
           •  Long-term stability
                                                                Order information
           Applications                                         Order number  Designation
           •  Dual-line pumps
                                                                623-37567-1  Electric pressure switch with transducer kit for
           •  Steel mills                                                   40 and 100 l, 10 and 26 gal, reservoir versions,
                                                                            includes electronic pressure and digital display
           •  Cement plants
           •  Minerals and mining


                                                                     NOTE
                                                                       Further technical information, technical drawings,
                                                                     accessories, spare parts or product function descriptions
                                                                     are available on SKF com/lubrication







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