HS4A/2 - Hansen - 1 (25MM) Solenoid Valve for Refrigerant

The Hansen HS4A/2 is a 1" (25mm) 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.

Key Specifications

• Model: HS4A/2
• Port Size: 1" (25mm)
• Connection Type: Flanged
• Body Material: Ductile iron (ASTM A536)
• Flanges: Forged steel (ASTM A105)
• Piston: Steel, disc type with spring-energized Teflon seal
• Main Seat: Stainless steel, removable
• V-Port/Seat: Steel, plated with Teflon seat
• Manual Opening Stem: Steel, plated
• Gaskets: Non-asbestos, graphite composite
• Operating Temperature: -60°F to +240°F (-50°C to +115°C)
• Safe Working Pressure:
  • Standard: 400 psig (28 bar)
  • CO₂ Applications: 600 psig (41 bar)
• Dimensions: 14" W × 7" H × 18" L
• Weight: ~21 lbs

Features

• Advanced Pilot-Operated Design: Uses upstream pressure to open the valve when energized; spring closes it when de-energized.
• Superior Dirt Resistance: Operates reliably even in systems with sticky oil or dry conditions.
• Heavy-Duty Construction: Built for long-term durability in demanding environments.
• Manual Opening Stem: Facilitates service and testing.
• CSA Certified
• Refrigerant Compatibility: Ammonia, R22, R134a, CO₂, and other approved refrigerants