Compressed-air supply

HD-0-10-400-3-0-A


Pneumatic system for diaphragm pressure vessel ready for connection and operation

  • elastically mounted
  • for diaphragm pressure tank
  • with all fittings
  • solenoid valve for pressure relief during starting process
  • screw connection R ¾”

HD-K-8-212-3-24-A


Pneumatic System for up to 2 dry pipe valves ready for connection and operation

  • automatic control
  • bypass with change-over from filling to automatic operation
  • lockable pressure relief valve
  • check valve
  • series tested safety valve
  • stop valve
  • turnable, flexible and oil resistant high pressure connecting hose with threaded joint

HD-DO-10-830-3-90-C


Full automatic pneumatic system for several or big pressure vessels and big voluminous dry pipe valves.

With the following main features:

  • steel support, completely hot-dip galvanized according to DIN EN ISO 1461
  • 2 piston compressors single-stage 2-cylindric with compressed-air aftercooler
  • with three-phase current motor 3-400 V, 50 Hz, IP 54
  • complete set of fittings piped and wired, ready for operation
  • diaphragm pressure vessel, volume 90 litres, PN 10
  • base load pressure switch
  • pressure switch for peak load or as spare
  • vessel safety valve, component tested
  • Each connection pipe assembly for dry pipes equipped with pressure reducing valve and locking device (to secure the settings against unauthorised adjustment)
  • checkvalve, safety valve, change-over device for continued FILLING OPERATION or AUTOMATIC mode, with orifice for operation in automatic mode, flexible connection hose for continued piping, shut-off valve
  • Control unit according to DIN VDE and UVV power supply 3-400 V 50 Hz, each compressor equipped with
    • Manual / Off / Automatic switch
    • Motor circuit breaker with thermal and magnetic short circuit release
    • Lamp for operation and fault
    • Hour meter
  • automatic changing for base load between base compressor and spare compressor during each new starting
  • automatic change-over for trouble, at fault of one compressor the second compressor is starting automatically