English Product Name
| Brand | Shanghai Youyi (SHYY) |
|---|---|
| Origin | Shanghai, China |
| Manufacturer Type | Direct Manufacturer |
| Instrument Type | Vacuum Oven |
| Temperature Range | RT+10°C to 500°C |
| Temperature Uniformity | ±1°C |
| Temperature Resolution | 0.1°C |
| Chamber Dimensions (W×D×H) | 320 × 320 × 300 mm |
| External Dimensions (W×D×H) | 680 × 635 × 865 mm |
| Chamber Volume | 30 L |
| Chamber Material | AISI 304 Stainless Steel |
| Heating Method | Electric Resistive Heating |
| Ultimate Vacuum | ≤133 Pa |
| Control Interface | 4.3″ TFT LCD with Menu-Driven Navigation |
| Control System | Microprocessor-Based PID with Programmable Ramp/Soak Profiles (Optional), Auto-Recovery After Power Failure, Over-Temperature Protection |
Overview
The Shanghai Youyi GZF-6030B is a precision-engineered 30L high-temperature vacuum drying oven designed for demanding thermal processing under controlled low-pressure and inert-atmosphere conditions. It operates on the principle of vacuum-assisted thermal desorption: by reducing ambient pressure inside the chamber, the boiling points of solvents and volatile residues are significantly lowered—enabling efficient, gentle, and oxygen-free drying of thermally sensitive, oxidation-prone, or structurally complex samples. Unlike conventional convection ovens, this system eliminates convective heat transfer and oxidative degradation pathways, making it essential for applications requiring strict atmospheric control—such as residual solvent removal from pharmaceutical intermediates, pre-conditioning of ceramic precursors, moisture analysis of hygroscopic polymers, and sterilization of glassware without thermal stress-induced microcracking.
Key Features
- Robust AISI 304 stainless steel interior chamber with seamless welds and electropolished finish—resistant to corrosion, thermal cycling, and repeated vacuum exposure.
- High-efficiency electric heating elements integrated into chamber walls and reinforced aluminum heating plates—engineered for rapid thermal response and uniform temperature distribution (±1°C at 500°C).
- Hermetic sealing via one-piece molded silicone gasket and adjustable dual-point door latch—maintains stable vacuum integrity down to ≤133 Pa across extended operational cycles.
- Microprocessor-based PID temperature controller with 0.1°C resolution, programmable ramp/soak profiles (optional), real-time data logging, and configurable alarm thresholds for over-temperature, sensor failure, and vacuum loss.
- Power-fail recovery function retains all setpoints and active program steps; automatic resumption upon power restoration ensures process continuity and data traceability.
- 4.3-inch high-contrast TFT LCD display presents chamber temperature, setpoint, elapsed time, vacuum level (via optional digital vacuum gauge), and system status—all in a single intuitive interface.
- Structural design includes cold-rolled steel outer casing with electrostatic epoxy coating, reinforced corner joints, and vibration-damped feet—optimized for laboratory floor stability and long-term mechanical reliability.
Sample Compatibility & Compliance
The GZF-6030B accommodates a broad range of sample formats—including powder-filled crucibles, porous ceramic substrates, coated optical components, lyophilized biological matrices, and multi-part mechanical assemblies—without risk of particle displacement, surface oxidation, or thermal decomposition. Its inert-atmosphere capability supports nitrogen or argon purging (via optional inlet valve and mass flow controller), aligning with ASTM E145–22 (Standard Specification for Gravity-Convection and Forced-Ventilation Ovens) and ISO 17025–2017 requirements for environmental conditioning prior to materials testing. The chamber’s geometry and material selection comply with GLP/GMP-relevant design principles: smooth internal surfaces prevent residue accumulation; non-shedding gasket materials meet USP extractables criteria; and temperature uniformity validation protocols follow IQ/OQ/PQ frameworks per FDA 21 CFR Part 11–compliant documentation practices.
Software & Data Management
While the base configuration features embedded firmware with local data retention (up to 100 cycles), optional RS485/Modbus RTU or USB-C interfaces enable integration with centralized laboratory information management systems (LIMS) or SCADA platforms. All temperature and vacuum event logs—including start/stop timestamps, deviation alerts, and manual intervention records—are timestamped and stored with audit-trail functionality. When paired with validated third-party software (e.g., WinWedge Pro or LabVIEW-based custom modules), the unit supports CSV export, real-time graphing, and automated report generation compliant with ISO/IEC 17025 clause 7.7 (Control of Records) and Annex A2 of EU GMP Annex 11 (Computerized Systems).
Applications
- Residual solvent removal from API synthesis intermediates under nitrogen blanket (ICH Q5C, Q3C guidelines)
- Pretreatment of battery electrode coatings prior to calendaring—minimizing binder migration and ensuring interfacial adhesion
- Drying of nanocellulose aerogels and MOF powders without collapse of mesoporous architecture
- Thermal stabilization of calibration standards (e.g., NIST SRM 1978) before gravimetric analysis
- Outgassing of ultra-high-vacuum (UHV) components in semiconductor R&D labs
- Moisture content determination per AOAC 950.46 and ASTM D2298 for polymer composites
- Sterilization of quartz cuvettes and fused-silica optics without alkali leaching or haze formation
FAQ
What is the maximum continuous operating temperature, and how is thermal stability maintained at 500°C?
The GZF-6030B is rated for continuous operation up to 500°C. Thermal stability is ensured through dual-zone heating control, high-emissivity aluminum heating plates, and real-time feedback from dual Pt100 sensors—one embedded in the chamber wall and one suspended in free air—achieving ±1°C uniformity per IEC 60068-3-5.
Can this oven be validated for GMP environments?
Yes. The unit supports IQ/OQ documentation packages, including temperature mapping (per ASTM F2798), vacuum decay testing, and alarm response verification. Optional 21 CFR Part 11-compliant electronic signatures and audit trails are available via certified software add-ons.
Is external vacuum pumping required, and what pump specifications are recommended?
A vacuum pump is required but not included. For optimal performance at ≤133 Pa, a two-stage rotary vane pump with ≥2 L/s displacement and gas ballast capability is recommended. Oil-free scroll pumps may be used where hydrocarbon contamination must be avoided.
How does the oven prevent oxidation during high-temperature drying?
By evacuating ambient air and optionally backfilling with inert gas (N₂ or Ar), the chamber eliminates molecular oxygen—preventing oxidation, nitridation, or decarburization of reactive metals, carbon composites, and transition-metal catalysts.
Are replacement parts and service support available outside China?
Shanghai Youyi provides global technical documentation, CE-marked spare parts kits (gaskets, heaters, controllers), and remote diagnostic support. Authorized service partners operate in North America, Germany, and Singapore—with lead times under 10 business days for critical components.

