HCK4-8 - Hansen - 2 (50MM)FLG/In-Line Check Valve CE-CAT.II, MOD.H, EF101

The Hansen HCK4-8 is a 2" (50mm) flanged in-line check valve, designed for industrial refrigeration systems and compliant with CE Category II, Module H, EF101 standards. Here's a detailed breakdown of its specifications and features:

HCK4-8 Check Valve – Key Specifications

• Model: HCK4-8
• Port Size: 2" (50mm)
• Connection Type: Flanged
• Body Material: Ductile iron (ASTM A536), 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: 8 lbs
• Certifications: CE-CAT.II, MOD.H, EF101 

Features

• Disc-Type Non-Return Valve: Opens fully in the direction of flow and closes quickly when flow reverses.
• Compact and Rugged Design: 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