Centrifugal compressor DK-GF150-3.0D

airDCstationary

Overview
The DK-GF150-3.0D is a two-stage fuel cell air compressor delivering an operational flow range of 15–190 g/s and a maximum compression ratio of 3.9. Air-suspension bearings, speeds up to 95,000 rpm and IP67 protection enable compact integration where pressure capability and environmental protection are required.

Technical data (table)
Spindle Model: DK-GF150-3.0D
Structural form: Two-stage supercharging
Flow range (g/s): 15–190
Speed range (rpm): 30000–95000
Voltage (VDC): 450–750
Air compressor weight (kg): 15.2
Intake air temperature (°C): -30–45
Bearing type: Air suspension bearing
Maximum compression ratio: 3.9
Max. motor power (kW): 30
Start-stop life (cycles): 300000
Controller weight (kg): 7.3
Protection level: IP67

Key features

• Two-stage compression optimized for stable pressure delivery
• Oil-free operation enabled by air-suspension bearings
• Wide operating speed range for flexible system matching (30,000–95,000 rpm)
• IP67 protection for dust and water ingress resistance

Applications

• Compact fuel cell systems that require high pressure capability
• Medium-power fuel cell stacks with demanding environmental protection requirements

Specifications

• Model: DK-GF150-3.0D
• Structure: Two-stage supercharging
• Flow: 15–190 g/s
• Speed: 30,000–95,000 rpm
• Voltage: 450–750 VDC
• Max motor power: 30 kW
• Max compression ratio: 3.9
• Bearing: Air suspension bearing
• Compressor weight: 15.2 kg
• Controller weight: 7.3 kg
• Intake temperature range: -30 °C to 45 °C
• Start-stop life: 300,000 cycles
• Protection: IP67