The Alco 801172 is a model number for the 240 RA20 T11-M solenoid valve, part of Alco Controls’ 2-way, normally closed valve series used in commercial refrigeration systems.

 Technical Specifications

• Valve Type: 2-way solenoid, normally closed
• Connection Size: 1-3/8 (35 mm) ODF solder
• Flow Direction: Uniflow
• Nominal Capacity:
  • R134a: 202.6 kW (liquid), 93.2 kW (hot gas), 23.3 kW (suction gas)
  • R507A: 140.7 kW (liquid), 97.1 kW (hot gas), 25.7 kW (suction gas)
  • R407C: 208.3 kW (liquid), 119.3 kW (hot gas), 29.0 kW (suction gas)
• Operating Pressure:
  • Max: 35 bar
  • Min Differential: 0.05 bar
• Refrigerant Compatibility: R-22, R-134a, R-404A, R-407C, R-448A 
• Manual Opening Spindle: Included

• Features

• Compact design with fast clips for coil attachment (coil sold separately)
• No disassembly required for soldering
• Compatible with ESC coils (24VAC, 120VAC, 230VAC, EX variants)
• Extended copper tubes for easier installation
• Factory pressure tested to 34 bar