Product appearance varies by configuration.
Fluid Control Solutions (FCS)
QT520 Series Two-Gas Mixer
The QT520 Series continuously blends two nonflammable, noncorrosive gases. Motor-driven control and a 32-bit ARM processor regulate the blend. Gas analysis, PID control, data recording, and audible and visual concentration alarms support stable operation. Confirm analyzer type and enclosure rating for your gas combination and installation.
- Blend Accuracy
- Absolute accuracy ±1%
- Input Pressure
- 0.7-1.0MPa
- Output Pressure
- 0.05-0.4MPa
- Maximum Flow
- 50~400 m³/h
Configuration and suitability confirmed for your application.
Model Specifications (CO₂+Ar Series)
| QT520-50-C30Ar | Maximum Flow (m³/h): 50 Blend Range: 0~30% CO₂, balance argon Buffer Tank Volume (L): 150-W Notes: With analyzer |
| QT520-100-C30Ar | Maximum Flow (m³/h): 100 Blend Range: 0~30% CO₂, balance argon Buffer Tank Volume (L): 220-W Notes: With analyzer |
| QT520-200-C30Ar | Maximum Flow (m³/h): 200 Blend Range: 0~30% CO₂, balance argon Buffer Tank Volume (L): 470-W Notes: With analyzer |
| QT520-400-C30Ar | Maximum Flow (m³/h): 400 Blend Range: 0~30% CO₂, balance argon Buffer Tank Volume (L): 470-W Notes: With analyzer |
Model Specifications (O₂+He/Ar Series)
| QT520-50-O10Ar | Maximum Flow (m³/h): 50 Blend Range: O₂ blend; confirm gas composition and range for this configuration Buffer Tank Volume (L): 150-W Notes: With analyzer |
| QT520-100-O10Ar | Maximum Flow (m³/h): 100 Blend Range: O₂ blend; confirm gas composition and range for this configuration Buffer Tank Volume (L): 220-W Notes: With analyzer |
| QT520-200-O10Ar | Maximum Flow (m³/h): 200 Blend Range: 0~10% O₂, balance argon Buffer Tank Volume (L): 470-W Notes: With analyzer |
| QT520-400-O10Ar | Maximum Flow (m³/h): 400 Blend Range: 0~10% O₂, balance argon Buffer Tank Volume (L): 470-W Notes: With analyzer |
Model Specifications (H₂+Ar Series)
| QT520-50-H10Ar | Maximum Flow (m³/h): 50 Blend Range: 0~10% H₂, balance argon Buffer Tank Volume (L): 150-W Notes: With analyzer |
| QT520-100-H10Ar | Maximum Flow (m³/h): 100 Blend Range: 0~10% H₂, balance argon Buffer Tank Volume (L): 220-W Notes: With analyzer |
| QT520-200-H10Ar | Maximum Flow (m³/h): 200 Blend Range: 0~10% H₂, balance argon Buffer Tank Volume (L): 470-W Notes: With analyzer |
| QT520-400-H10Ar | Maximum Flow (m³/h): 400 Blend Range: 0~10% H₂, balance argon Buffer Tank Volume (L): 470-W Notes: With analyzer |
Model Specifications (H₂+N₂ Series)
| QT520-50-H10N2 | Maximum Flow (m³/h): 50 Blend Range: 0~10% H₂, balance nitrogen Buffer Tank Volume (L): 150-W Notes: With analyzer |
| QT520-100-H10N2 | Maximum Flow (m³/h): 100 Blend Range: 0~10% H₂, balance nitrogen Buffer Tank Volume (L): 220-W Notes: With analyzer |
| QT520-200-H10N2 | Maximum Flow (m³/h): 200 Blend Range: 0~10% H₂, balance nitrogen Buffer Tank Volume (L): 470-W Notes: With analyzer |
| QT520-400-H10N2 | Maximum Flow (m³/h): 400 Blend Range: 0~10% H₂, balance nitrogen Buffer Tank Volume (L): 470-W Notes: With analyzer |
Performance Specifications
| Blend Accuracy | Absolute accuracy ±1% |
| Input Pressure | 0.7~1.0MPa |
| Output Pressure | 0.05~0.4MPa |
| Input Voltage | 220V/50Hz |
| Processor | 32-bit ARM processor |
| Minimum Actuator Increment | 0.3μm |
| Operating Mode | Automatic PLC control / manual adjustment |
| Control Accuracy | Self-tuning PID control |
| Gas Analyzer | Built-in thermal conductivity / zirconia analyzer |
| Data Recording | Digital recording of concentration trends |
| Alarm Outputs | Audible and visual alarms, RS232 remote output |
| Enclosure | Weather-resistant enclosure; confirm rating for outdoor installation |
Measurement conditions & notes
- A gas analyzer is standard on models marked -W.
- Set the minor component concentration using a single control.
- Digital concentration logging supports quality analysis.
- Confirm enclosure rating and site conditions before outdoor installation.
- Uses a 32-bit ARM processor and a minimum actuator increment of 0.3 μm.
- Pressure controllers and solenoid valves regulate system operation.
- Confirm the gas composition and blend range for QT520-50-O10Ar and QT520-100-O10Ar with our team before selection.
Confirm fluid compatibility, materials, connections, and available configuration with our team before ordering.
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