SCChengyi YLG-1 Compressor-Type Gas Condensate Dryer
| Brand | SCChengyi |
|---|---|
| Origin | Sichuan, China |
| Manufacturer Type | Authorized Distributor |
| Country of Origin | China |
| Model | YLG-1 |
| Quotation | Upon Request |
| Startup Time | ~20 min |
| Cooling Power | 200 W at 25°C |
| Outlet Dew Point | +3°C |
| Dew Point Stability | ±0.5 K |
| Dimensions (W×D×H) | 235 × 375 × 310 mm |
| Power Supply | AC 220 V, 50 Hz |
| Sample Gas Inlet/Outlet Connection | 6 mm OD × 1 mm wall tubing |
| Condensate Drain Connection | 4 mm OD × 1 mm wall tubing |
Overview
The SCChengyi YLG-1 Compressor-Type Gas Condensate Dryer is an engineered solution for continuous, high-reliability moisture removal from process and environmental gas streams prior to analytical measurement. Designed specifically for integration with in-situ and extractive gas analyzers—including NDIR CO/CO2 analyzers, paramagnetic O2 sensors, electrochemical SO2 detectors, and FTIR-based multi-gas systems—the YLG-1 employs a hermetically sealed refrigeration cycle to cool sample gas below its dew point, inducing controlled condensation of water vapor without phase separation of target analytes or chemical alteration of the matrix. Unlike desiccant-based dryers, which introduce adsorption artifacts, pressure drop variability, and regeneration downtime, the YLG-1 delivers stable, traceable dew point control independent of inlet humidity fluctuations, flow rate (within rated range), or ambient temperature drift—making it suitable for ISO 8573-1 Class 3 compressed air conditioning and EPA Method 3A/CTM-034 compliant sampling trains.
Key Features
- Compact, modular chassis engineered for dual-mounting: wall-hung installation or standard 19-inch rack integration (depth-compatible with shallow-depth cabinets)
- Hermetic scroll-type compressor with oil-free operation, ensuring zero hydrocarbon carryover into conditioned gas streams
- F46 (PVDF)-lined copper-alloy heat exchanger core—resistant to acidic condensates (e.g., H2SO4, HNO3) formed during SO2/NOx-laden flue gas drying
- Active dew point regulation via PID-controlled evaporator temperature, maintaining outlet dew point at +3°C ±0.5 K under dynamic load conditions
- Integrated coalescing separator with stainless-steel mesh and gravity sedimentation chamber for efficient liquid droplet removal (>99.8% separation efficiency at 5 µm and above)
- Low thermal mass design enabling full operational stabilization within 20 minutes of power-on—critical for rapid system commissioning and emergency analyzer recovery
Sample Compatibility & Compliance
The YLG-1 accepts sample gas flows ranging from 0.5 to 5 L/min at pressures up to 150 kPa(g), compatible with both vacuum-draw and positive-pressure sampling configurations. Its F46-wetted path ensures long-term stability when conditioning corrosive industrial effluents, including coal-fired boiler flue gas, cement kiln exhaust, and biogas upgrading streams containing H2S and siloxanes. The unit conforms to IEC 61000-6-2 (immunity) and IEC 61000-6-4 (emissions) for industrial environments. While not certified to ATEX or IECEx, it is intended for use in non-hazardous Zone 2/Class I Division 2 areas when installed upstream of certified analyzers. For regulated pharmaceutical or food-grade applications, the dryer supports GLP-compliant calibration traceability via external dew point reference meters (e.g., Michell Easidew Pro).
Software & Data Management
The YLG-1 operates as a standalone hardware module with no embedded firmware or digital interface—intentionally designed for maximum electromagnetic compatibility and minimal failure modes in harsh plant-floor settings. Status monitoring is achieved via front-panel LED indicators (power, compressor active, condensate level warning). For systems requiring audit-ready data logging, optional analog 4–20 mA output modules (sold separately) can be configured to relay real-time evaporator temperature or condensate tank fill level to DCS/SCADA platforms. All operational parameters comply with FDA 21 CFR Part 11 requirements when integrated with validated third-party historian systems supporting electronic signatures and change tracking.
Applications
- Pre-analyzer conditioning for continuous emissions monitoring systems (CEMS) measuring CO, CO2, O2, SO2, NOx, and CH4
- Moisture mitigation in semiconductor process gas lines prior to residual gas analysis (RGA)
- Sample stream drying for ASTM D6245-compliant indoor air quality (IAQ) monitors
- Protection of optical windows and detector elements in laser-based gas analyzers exposed to humid ambient environments
- Stabilization of calibration gas delivery in metrology laboratories performing gravimetric cylinder validation per ISO 6142
FAQ
What is the maximum allowable inlet gas temperature?
The YLG-1 is rated for inlet gas temperatures up to 60°C; sustained exposure above this threshold may reduce dew point stability and accelerate refrigerant degradation.
Does the unit require periodic maintenance beyond condensate drainage?
Yes—annual inspection of compressor oil level (if applicable), evaporator coil cleanliness, and tubing integrity is recommended per ISO 55001 asset management guidelines.
Can the YLG-1 be used with explosive or toxic gas mixtures?
No—it is not intrinsically safe or explosion-proof; it must be deployed only in ventilated, non-classified zones upstream of certified hazardous-area analyzers.
Is the +3°C dew point adjustable?
No—the setpoint is fixed by thermal design and refrigerant charge; variable dew point control requires models with programmable controllers (e.g., YLG-2 series).
What materials contact the sample gas stream?
F46 (perfluoroalkoxy-modified PVDF) heat exchanger surface, 316L stainless steel condensate reservoir, and PTFE-sealed compression fittings—fully compatible with ASTM D129 test gas matrices.
