JKRD BGC5000 Industrial Explosion-Proof Online Gas Chromatograph
| Brand | JKRD |
|---|---|
| Model | BGC5000 |
| Origin | Beijing, China |
| Detector Types | PDHID, TCD, FID, FPD |
| Reproducibility | ±1% FS (major components), ±2% FS (trace components) |
| Max. Stream Count | 24 |
| Analog Outputs | 4–36 channels (4–20 mA, isolated) |
| Display | 10.4" color touchscreen |
| Oven Temp. Range | 45–125°C (±0.1°C stability) |
| Carrier Gas | He, H₂, N₂, or Ar (30–300 mL/min, ≥99.99% purity) |
| Explosion Protection | Ex d px II C T1–T4 Gb (pressurized enclosure) |
| Weight | 120 kg |
Overview
The JKRD BGC5000 Industrial Explosion-Proof Online Gas Chromatograph is a robust, field-deployable analytical platform engineered for continuous, real-time compositional monitoring of process gases and volatile liquids in hazardous industrial environments. Built upon proven gas chromatographic separation principles—employing temperature-programmed capillary or packed columns coupled with selective detection—it delivers high-fidelity quantification across complex multi-component streams. Its core architecture adheres to the fundamental requirements of process analytical technology (PAT) as defined by ICH Q8/Q9 and supports compliance-driven operations in regulated sectors including petrochemical refining, syngas production, LNG processing, and specialty chemical synthesis. The system operates under strict environmental constraints—capable of sustained performance at ambient temperatures from –20°C to +40°C and relative humidity up to 95% RH—while maintaining thermal stability of ±0.1°C within its air-bath oven over extended duty cycles.
Key Features
- Explosion-proof certified enclosure meeting Ex d px II C T1–T4 Gb (IEC 60079-1 & IEC 60079-2), enabling direct installation in Zone 1/2 classified areas without external purging systems.
- Modular detector configuration supporting simultaneous or sequential use of up to two detectors from a validated suite: Thermal Conductivity Detector (TCD), Flame Ionization Detector (FID), Flame Photometric Detector (FPD), and Pulsed Discharge Helium Ionization Detector (PDHID); three-detector configurations available upon consultation.
- Multi-stream architecture accommodating up to 24 independent sample introduction paths, with flexible scheduling for serial analysis or parallel operation across up to four concurrent streams—each with fully decoupled column oven, detector, and data acquisition logic.
- Industrial-grade sampling interface featuring high-pressure (≤300 kPa), high-temperature (up to 180°C) diaphragm or slide valves with single-hand replaceable valve cartridges; compatible with aggressive media including Cl₂, HCl, NH₃, and HF.
- Windows-based embedded controller with native Ethernet connectivity (10/100BASE-T), supporting OPC UA, Modbus TCP, and DCS integration; includes audit-trail-enabled software compliant with FDA 21 CFR Part 11 requirements for electronic records and signatures.
- Graphical HMI on a 10.4-inch resistive touchscreen with intuitive flow-diagram navigation, real-time chromatogram overlay, and contextual parameter visualization—designed for rapid operator familiarization and minimal training overhead.
Sample Compatibility & Compliance
The BGC5000 accommodates gaseous and low-boiling liquid samples across diverse industrial matrices—including natural gas, refinery off-gases, blast furnace top gas, SF₆-insulated transformer oil headspace, biogas, and semiconductor process effluents. Column selection (packed or fused-silica capillary) and detector pairing are optimized per application: TCD for permanent gases (H₂, O₂, N₂, CO, CH₄) at ≥10 ppm; FID for hydrocarbons down to 0.1 ppm; FPD for sulfur/phosphorus compounds at 10–25 ppb; PDHID for ultra-trace noble gases and halocarbons. All wetted materials—including sample lines, valves, and column fittings—are configurable with corrosion-resistant alloys (e.g., Hastelloy C-276, Monel) for long-term exposure to acidic, chlorinated, or hydrosulfidic environments. The system meets ISO/IEC 17025 calibration traceability requirements and supports GLP/GMP workflows through automated calibration verification, retention time locking, and peak identification confidence scoring.
Software & Data Management
The integrated ChromaView™ control and analysis software provides full lifecycle management—from method development and sequence definition to automated reporting and alarm-triggered event logging. Key capabilities include automatic peak detection with adaptive baseline correction, retention time alignment across multiple streams, multi-point calibration curve generation (linear, quadratic, or polynomial), and dynamic range compensation for varying injection volumes. Raw data files conform to ASTM E1947-compliant ASCII format and are stored locally with optional encrypted cloud backup. Remote access is enabled via TLS-secured web interface or dedicated client application, permitting live monitoring, diagnostic review, and firmware updates from any authorized workstation or mobile device. Audit trails record all user actions, parameter changes, and calibration events with timestamp, operator ID, and IP address—fully searchable and exportable for regulatory submission.
Applications
- Petrochemical & Refining: Real-time monitoring of C₁–C₅ hydrocarbons in FCC unit feeds, hydrogen purity in hydrotreaters, H₂S breakthrough in amine units, and olefin/paraffin ratios in cracker effluents.
- Natural Gas & LNG: Composition verification per ISO 6974–2 and GPA 2261, water dew point prediction, mercaptan speciation, and helium recovery optimization.
- Power & Utilities: Dissolved gas analysis (DGA) in transformer oils (IEC 60599), SF₆ purity assessment (IEC 60480), and combustion efficiency tuning via flue gas O₂/CO tracking.
- Metallurgy & Steelmaking: Blast furnace top gas composition (CO/CO₂/H₂/N₂), ladle degassing end-point control, and protective atmosphere validation (Ar/N₂/H₂ blends).
- Chemical & Semiconductor Manufacturing: In-line purity verification of Cl₂, NH₃, SiH₄, and BCl₃; VOCs and NMHC emissions monitoring per EPA Method 25A and EN 13526.
FAQ
What explosion protection standard does the BGC5000 meet?
It complies with IEC 60079-1 (flameproof “d”) and IEC 60079-2 (pressurized “px”) for Group II C equipment, rated T1–T4 temperature classes and Gb equipment protection level.
Can the system operate unattended for extended periods?
Yes—the controller supports scheduled auto-calibration, leak diagnostics, and predictive maintenance alerts; mean time between failures (MTBF) exceeds 12,000 hours under typical operating conditions.
Is remote support and firmware updates supported?
All units ship with embedded VNC-compatible remote desktop capability and secure OTA update functionality, subject to customer network policy and firewall configuration.
How is data integrity ensured during power interruptions?
Non-volatile memory retains method parameters, calibration coefficients, and recent chromatograms; UPS-ready power input ensures graceful shutdown and state recovery upon restoration.
Does the system support integration with MES or ERP platforms?
Via OPC UA or custom REST API endpoints, raw concentration values, QC flags, and instrument health metrics can be streamed directly into manufacturing execution or enterprise resource planning systems.

