HS4A/0 - Hansen - 3/4 (20MM) Solenoid Valve for Refrigerant

The Hansen HS4A/0 is a 3/4" (20mm) solenoid valve designed for refrigerant control in industrial refrigeration systems. It is part of the HS4A series, known for its rugged construction and reliable performance even in challenging conditions.

Key Specifications

• Model: HS4A/0
• Port Size: 3/4" (20mm)
• Connection Type: Flanged
• Body Material: Ductile iron (ASTM A536)
• Piston: Steel, disc type with spring-energized Teflon seal
• Seat: Steel, plated with Teflon seat
• Safe Working Pressure:
  • Standard: 400 psig (28 bar)
  • CO₂ Applications: 600 psig (41 bar)
• Operating Temperature: -60°F to +240°F (-50°C to +115°C)
• MOPD: 300 psi (20.7 bar), 500 psi (34.4 bar) for CO₂
• Weight: ~22 lbs
• Dimensions: 15" W × 8" H × 19" L

Features

• Encapsulated Coil: For durability and moisture resistance
• Manual Opening Stem: For service and testing
• Dirt-Wiping Teflon Seal: Enhances reliability in dirty or oil-free systems
• Heavy-Duty Pilot Operation: Ensures smooth and powerful valve actuation
• CSA Certified
• Optional Accessories: Close-coupled strainer/check valve, wireless pilot lights, weld-in-line options

Applications

• On/off control of refrigerant flow
• Suitable for ammonia, R22, R134a, CO₂, and other approved refrigerants