HCK4-4 - Hansen - 1 (25MM) Flanged In-Line Check Valve

The Hansen HCK4-4 is a 1" (25mm) flanged in-line check valve from the HCK4 series, designed for industrial refrigeration systems. Here's a detailed summary based on the latest specifications:

HCK4-4 Check Valve – Key Specifications

• Port Size: 1" (25mm)
• Connection Type: Flanged
• Body Material: Steel (ASTM A108), zinc chromate plated
• Seat Disc: Stainless steel
• 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: 9"
  • Height: 5"
  • Length: 10"
• Weight: ~3 lbs 
  1

Features

• Disc-Type Non-Return Valve: Opens fully in the direction of flow and closes quickly when flow reverses.
• Compact and Rugged: Ideal for tight spaces and harsh industrial environments.
• Corrosion Resistance: Stainless steel internals and plated body enhance durability.
• Flexible Mounting: Can be installed in any orientation and close-coupled with other valves.
• Application Note: Not recommended for pulsating or partial loads (e.g., compressor discharge); for such cases, Hansen recommends the HCK1 piston-type check valves