HCK2/5 - Hansen - 2 (50MM)Gas Powered Suction Stop Valve, w/ 1/2 Socket Weld Disc STR

The Hansen HCK2/5 is a 2" (50mm) gas-powered suction stop valve with a 1/2" socket weld Disc STR, designed for large industrial and commercial refrigeration systems. Here's a detailed overview of its specifications and features:

Key Specifications

• Model: HCK2/5
• Port Size: 2" (50mm)
• Disc Type: 1/2" Socket Weld, Disc STR
• Body Material: Ductile iron (ASTM A536)
• Piston: Ductile iron (ASTM A536)
• Seal Cap: Steel, zinc chromate plated
• Stem: Plated steel
• Top Cover: Steel (ASTM A36)
• Spring: Stainless steel
• Safe Working Pressure:
  • Standard: 400 psig (27 bar)
  • CO₂ Applications: 600 psig (40 bar)
• Operating Temperature: -60°F to +240°F (-50°C to +115°C)
• Dimensions:
  • Width: 18"
  • Height: 11"
  • Length: 9"
• Weight: 39 lbs

Features

• Normally Open Design: Held open by a spring; closes when gas pressure is applied.
• No Pressure Drop Required: Operates without needing a pressure differential.
• Gas-Powered Closure: Uses a pilot solenoid valve to apply gas pressure for closing during defrost cycles.
• Heavy-Duty Construction: Built for durability in demanding environments.
• Dirt-Resistant Piston Design: Spool-type piston is more resistant to contamination than skirted designs.
• Manual Opening Stem: Allows manual operation for servicing or troubleshooting.
• Refrigerant Compatibility: Suitable for ammonia, R22, R134a, CO₂, and other compatible refrigerants