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Henry Technologies

S-4004 - Henry - 3/8 Flare, Oil Filter

S-4004 - Henry - 3/8 Flare, Oil Filter

The Henry S-4004 is a 3/8" Flare Oil Filter designed for use in refrigeration oil management systems. Here's a detailed breakdown of its specifications and features:


Henry S-4004 – Technical Specifications

  • Connection Size: 3/8" Flare (Male x Female)
  • Filter Area: 475 square inches
  • Particle Retention: Down to 10 microns
  • Maximum Working Pressure: 450 PSI (31 bar)
  • Operating Temperature Range: 14°F to 212°F (-10°C to +100°C)
  • Material: Carbon steel body, steel internal spring, synthetic rubber O-ring
  • Installation: Must follow flow direction arrow; recommended to install service valves on both sides for easy replacement
  • Replacement Indicator: Replace after a 15 PSI pressure drop

Function & Application

  • Purpose: Removes debris such as dirt, metal chips, and other contaminants from oil in refrigeration systems.
  • Use Case: Commonly installed in the oil return line between the oil separator and oil reservoir.
  • Compatibility: Suitable for use with HFC, HCFC, A2L, and CO₂ refrigerants and their associated oils   

Key Benefits

  • Protects oil level regulators and compressors from contamination
  • High flow capacity with low pressure drop
  • Can replace multiple individual oil strainers in a system
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