Sumitomo F50 Compressor Manual [exclusive] May 2026

The Sumitomo F-50 (including variants like the , , and F-50SH) is a mid-size, water-cooled, three-phase helium compressor designed to power cryogenic cold heads and pulse tubes. 1. Technical Specifications

• Cause: Separator element saturated/failing, oil level too high, or minimum pressure valve malfunction.
• Solution: Check oil level (do not overfill). Replace the separator element. Inspect the minimum pressure valve.

| Section | What you’ll find | |---------|------------------| | Specifications | Oil capacity, max pressure, RPM, power (kW/HP) | | Installation | Foundation, piping, cooling water (if water-cooled), electrical | | Operation | Start/stop sequence, control panel codes (e.g., F50 uses Mitsubishi or Siemens PLC) | | Maintenance schedule | Oil change (every 2000–4000 hrs), air filter, separator element | | Troubleshooting codes | e.g., E-01 = High discharge temp | | Exploded diagrams | Rotors, bearings, oil system, shaft seal (mechanical seal part numbers) | sumitomo f50 compressor manual

Final Pro Tip

Do not use a general F series manual for F50R (refrigeration) if yours is an air compressor – oil management and safety valves are different. Confirm the application on the nameplate before following any torque or pressure settings. The Sumitomo F-50 (including variants like the ,