HS4A/4 - Hansen - 1-1/2 (40MM)Solenoid Valve for Refrigerant

The Hansen HS4A/4 is a 1-1/2" (40mm) solenoid valve designed for refrigerant control in industrial refrigeration systems. It is part of the HS4A series, known for its rugged construction, dirt resistance, and reliable operation even in oil-free systems.

Key Specifications

• Model: HS4A/4
• Port Size: 1-1/2" (40mm)
• Connection Type: Flanged
• Body Material: Ductile iron (ASTM A536)
• Piston: Steel, disc type with spring-energized Teflon seal
• Main Seat: Stainless steel
• 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)
• Dimensions: 12" L × 11" W × 9" H
• Weight: ~38 lbs 
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Features

• Pilot-Operated Design: Uses upstream pressure to open the valve when energized; spring closes it when de-energized.
• Superior Dirt Resistance: Teflon dirt-wiping piston seal and stainless steel spring ensure reliable operation.
• Manual Opening Stem: Located on top for easy access and longer seal life.
• Universal Coil Compatibility: Uses a single, low-wattage coil across all valve sizes.
• CSA Certified
• Refrigerant Compatibility: Ammonia, R22, R134a, CO₂, and other approved refrigerants