Key points:

• The valves are part of the “DZ” product series, with various submodels (DZ..M, DZ..XM, DZ..YM, DZ..XYM)
• The valves are designed for pipe installation, with specifications of 1/2″ and 3/4″
• The pressure adjustment range covers 7-70 kg/cm², 35-140 kg/cm², and 70-250 kg/cm²
• The serial number indicates standard type (30) and low bottom plane (31)

  Valve Symbol Table:

  Symbol	Description
  DZ..M	2-way, single solenoid, motor-operated valve
  DZ..XM	3-way, single solenoid, motor-operated valve
  DZ..YM	3-way, single solenoid, motor-operated valve
  DZ..XYM	4-way, double solenoid, motor-operated valve
  DZ..A	2-way, single solenoid, pilot-operated valve
  DZ..X	3-way, single solenoid, pilot-operated valve
  DZ..Y	3-way, single solenoid, pilot-operated valve
  DZ..XY	4-way, double solenoid, pilot-operated valve