To help tailor this information to your specific system, let me know:
Verify the static charge pressure before operation. At 20°C (68°F), the pressure should be between 1.60 and 1.65 MPa (232–239 psig). 3. Maintenance Schedule F-50SH Compressor Technical Manual | PDF - Scribd
The manual emphasizes proper environment and connectivity. Because the F-50 is water-cooled, it requires a steady flow of cooling water within a specific temperature and pressure range. Insufficient cooling can lead to overheating and automatic thermal shutdowns. Electrical safety is also paramount; the unit operates on 200-480V (depending on the specific sub-model), requiring dedicated circuit protection and proper phase sequencing to prevent the pump from running in reverse. Routine Maintenance: The Adsorber
Monitors the gas supply line to the cold head. sumitomo f50 compressor manual
Never tilt the compressor more than 30 degrees at any time; doing so can damage the capsule or contaminate the helium lines with oil. Cooling Water: Inlet Temp: 4°C to 28°C (39°F to 82°F). Flow Rate: 7–10 L/min (1.8–2.6 gal./min).
Failure to replace the adsorber leads to oil contamination of the cold head, resulting in a costly system overhaul. Monthly Maintenance Checklists
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The cold head cable connector must be securely attached to the ground terminal to prevent electrical hazards.
Proper installation prevents premature compressor failure, helium contamination, and system inefficiencies. Environmental and Space Requirements
The gas passes through an absorber to ensure the helium is pure. Electrical safety is also paramount; the unit operates
Provides documentation for compressor units used in MRI systems.
Solution: Decontaminate the system by performing repeated venting and purging cycles with 99.999% pure helium gas. 6. Helium Charging and Venting Procedures
The F-50 is available in multiple variants, primarily categorized by electrical input requirements. Specification Details F-50L (Low Voltage), F-50H (High Voltage) Power Supply 3-Phase 200V (F-50L); 3-Phase 380-480V (F-50H) Power Consumption 6.5–7.2 kW (50 Hz) / 7.5–8.3 kW (60 Hz) Cooling Method Water-cooled (1.8–2.6 gal/min flow rate) Dimensions Approx. 591 x 450 x 585 mm (23.3 x 17.7 x 19.1 in) Weight ~120 kg (264 lbs) Maintenance Cycle 30,000 Operating Hours System Components & Theory of Operation
The is typically an oil-free scroll air compressor (part of Sumitomo's "F" series, often under the brand Sumitomo Heavy Industries or through their SHI / Bipel distribution).
Since "F50" is often a component number rather than a full machine number, you may need to look for the manual of the unit the compressor is inside.