Sumitomo F-50 (part of the SHI Freedom® series) is a mid-size, water-cooled, three-phase helium compressor designed to power various Gifford-McMahon cryocoolers and pulse tubes. It is available in both low-voltage ( ) and high-voltage ( ) versions. Manuals & Resources
Official Product Page: FA-50 Indoor Air-Cooled Compressor Series (includes indoor water-cooled and air-cooled variants).
F-50SH Technical Instruction: A 65-page comprehensive document on Scribd covering installation, operation, and maintenance. F-50L Technical Manual
: Specific instructions for the low-voltage unit available on Scribd.
SRDK Operation Manual: Safety and operational guidelines for the broader cryocooler system from Quantum Opus. Technical Specifications
Power Consumption: 6.5–7.2 kW at 50 Hz; 7.5–8.3 kW at 60 Hz. Electrical Supply: Low-Volt (L): 3 Phase 200 V, 50/60 Hz.
High-Volt (H): 3 Phase 380–415 V (50 Hz) or 460–480 V (60 Hz).
Cooling Water: Requires non-demineralized water at an inlet temperature of 4–28 °C (39–82 °F).
Maintenance Cycle: Major maintenance, including adsorber replacement, is required every 30,000 hours.
Weight & Size: Measures approximately 591 x 450 x 585 mm and weighs about 120 kg (264 lbs). Critical Handling Warnings F-50SH Compressor Technical Manual | PDF - Scribd
You can find the official manual for the Sumitomo F-50 Compressor
(specifically for models like the F-50L, F-50H, and F-50SH) through technical repositories such as
. These manuals provide detailed instructions on installation, operation, and maintenance for the water-cooled helium compressor units used with cryocooler systems. Manual Resources F-50L Technical Instruction
: This manual covers the F-50L unit, designed for cryocoolers operating between 4K and 10K. It includes electrical schematics and maintenance procedures. You can access it on F-50SH Technical Instruction
: Detailed instructions for the SH variant, including construction details, sensor information, and frequency adjustment procedures. Available on SRDK Series Operation Manual
: For general operation of the compressor as part of a cryocooler system, you can refer to the Quantum Opus SRDK Operation Manual Key Technical Specifications
The F-50 series generally features the following specifications based on technical documentation: : Mid-size, water-cooled, three-phase helium compressor. Power Consumption : Typically 6.5–7.2 kW at 50 Hz and 7.5–8.3 kW Water Cooling : Requires a flow rate between 1.8–2.6 gal/min (approx. 7–10 L/min) and water temperatures between Maintenance Cycle sumitomo f50 compressor manual new
: Adsorber replacement and general maintenance are recommended every 30,000 hours : Dimensions are roughly 591 x 450 x 585 mm (HxWxD) with a mass of approximately Critical Handling Precautions Tilt Limit : Never tilt the compressor unit more than 30 degrees during transport to prevent internal oil migration. Water Quality
use demineralized water for cooling, as it can be corrosive to the unit's cooling circuit. Power Source
use an inverter as the main power source, as it may damage the electrical circuits. maintenance kits for your F-50 model? F-50SH Helium Compressor Manual | PDF - Scribd
The Sumitomo F-50 is a mid-size, water-cooled helium compressor used primarily for cryogenic applications such as MRI machines and NMR systems . Full technical manuals are typically distributed by SHI Cryogenics Group or via equipment service portals like GE HealthCare Core Specifications
The F-50 series is available in low-voltage (F-50L) and high-voltage (F-50H) versions. Specification Details Electrical Supply 3-Phase 200V (50/60 Hz) for ; 3-Phase 380-480V for Power Consumption 6.5–7.2 kW at 50 Hz / 7.5–8.3 kW at 60 Hz Helium Pressure
Static: 1.45–1.65 MPa (at 20°C); Operating: ~1.90–2.20 MPa Cooling Water Flow: 7–10 L/min; Inlet Temp: 4–28°C (39–82°F) Maintenance Cycle Major service/Adsorber replacement every 30,000 hours Dimensions & Weight 591 x 450 x 485 mm; approx. 120 kg (264 lbs) Operating Principles
The compressor functions in a closed-loop helium cycle to drive Gifford-McMahon cryocoolers or pulse tubes: Compression:
Low-pressure helium from the cold head is filtered and compressed in the capsule.
High-pressure, high-temperature gas is cooled by a water-cooled heat exchanger. Purification: An oil separator and an
(active charcoal) remove lubricating oil mist to ensure high-purity helium supply back to the cold head. Installation & Safety Precautions Orientation: The unit must never be tilted more than 30°. Interlocks:
Includes automatic shutoff for high discharge gas temperature (93°C) or motor winding temperature (160°C). Electrical:
Requires a minimum of 9 kVA power; do not use inverters for the main power source. GE HealthCare Service Shop Resources & Document Downloads
Technical instructions for specific sub-models can be found on community and manufacturer platforms: F-50L Technical Instruction (SM-CD32ZZ-227-T): Detailed specs for low-voltage units on F-50SH Helium Compressor Manual: Technical details for SH variants on SRDK Cryocooler Service Manual:
Covers maintenance for systems pairing the F-50 with cold heads on or the procedure for replacing the adsorber F-50SH Helium Compressor Manual | PDF - Scribd
The Sumitomo F-50 Compressor is a mid-sized, water-cooled, three-phase helium compressor unit from SHI’s Freedom® series, specifically designed to power various Gifford-McMahon cryocoolers and pulse tubes. It is available in two primary models: the F-50L (low voltage) and F-50H (high voltage). Core Technical Specifications
The F-50 is engineered for high-reliability cryocooling applications, featuring a significantly extended maintenance interval compared to previous generations. Specification Power Consumption 6.5–7.2 kW (at 50 Hz) / 7.5–8.3 kW (at 60 Hz) Voltage Options Sumitomo F-50 (part of the SHI Freedom® series
Low Volt (200 V, 3-phase) or High Volt (380–480 V, 3-phase) Maintenance Cycle 30,000 hours (for the adsorber) Dimensions (HxWxD) 591 x 450 x 585 mm (23.3 x 17.7 x 19.1 in.) Weight 120 kg (264 lbs.) Ambient Temp Range 19–41 °C (35–95 °F) Key System Components
Understanding the internal construction of the F-50 is critical for safe operation as outlined in the F-50SH Technical Instruction:
Helium Gas Connectors: Separate supply and return connectors for flex line attachment.
Pressure Gauges: Built-in gauges to monitor static and operating helium gas pressure. Cooling Water Circuit: Utilizes -inch female connectors for water inlet and outlet.
Compressor Adsorber: A critical filtration component that removes oil vapor from the helium stream, requiring replacement every 30,000 hours. Installation and Operating Guidelines
Proper site preparation is essential to prevent system degradation. SRDK Cryocooler Service Manual F-50 | PDF - Scribd
Sumitomo F-50 is a mid-sized, water-cooled helium compressor used primarily in cryocooler systems for high-precision applications like Magnetic Resonance Imaging (MRI) and cryopumps. It is a replacement for older models like the CSW-71D, featuring an improved oil separator that extends the maintenance cycle to 30,000 hours. 1. Key Technical Specifications The F-50 is available in low-voltage ( ) and high-voltage ( ) variants to accommodate different regional power grids. SHI Cryogenics Group Specification Details Power Supply : 3-Phase 200V (50/60 Hz) : 3-Phase 380/400/415V (50 Hz) or 460/480V (60 Hz) Consumption 6.5–7.2 kW (50 Hz) to 7.5–8.3 kW (60 Hz) Cooling Water Flow rate of 4–10 L/min at 4–28°C (39–82°F). Never use demineralized water Dimensions 591 mm (H) x 450 mm (W) x 585 mm (D) Approximately 120 kg (264 lbs) Gas Pressure 2.30–2.35 MPaG (operating pressure varies by heat load) 2. System Components & Operation
The compressor serves as the power source for the cold head, providing high-pressure helium gas to drive the refrigeration cycle. GE HealthCare Service Shop F-50SH Helium Compressor Manual | PDF - Scribd
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Recommendations
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FAQs
Common codes:
Because counterfeit industrial manuals have appeared online (scammers OCR old versions and reprint them), use these verification steps:
Use a generic screw compressor manual from another brand (e.g., Atlas Copco, Sullair, Kaeser) only for general principles – but never for part numbers or wiring.
Go through the pre-operational checklist on page 1 of the manual. Verify:
