Description

• Size: DN20 = 3/4″
• อะไหล่ Bentone, Riello burner
• One regulator and two main valves:
  two-stage valve
  – One valve is fast opening, one valve is
  slow or fast opening
• Solenoid valves up to 360 mbar (36 kPa)
  as per DIN EN 161 Class A Group 2
•  High flow rates with low pressure drop
• DC solenoid drive interference degree N
• Main volume restrictor and partial volume restrictor at valve V2
• Hydraulic opening delay