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Crafted with food-grade 304 stainless steel and fluorine rubber gaskets, it achieves air leakage rates below 0.1 m³/h at 500Pa pressure. Compatible with Class 10 to Class 10000 cleanrooms, this valve is essential for pharmaceutical, biotech, and electronic manufacturing facilities requiring strict environmental control. Its modular design supports both horizontal and vertical installation, integrating seamlessly with existing HVAC systems.
In API production workshops, maintaining differential pressure between granulation and tableting zones is mandatory for GMP compliance. The biosafety airtight valve automatically adjusts opening degrees based on real-time pressure sensors, ensuring stable pressure gradients (5-15Pa) and blocking dust migration. It’s frequently installed at duct junctions between sterile and non-sterile areas.
Biological safety labs (BSL-2/3) handling pathogenic microorganisms rely on this valve to isolate exhaust systems. When detecting pressure anomalies, it closes within 0.8 seconds to prevent hazardous aerosols from spreading to adjacent labs, complementing fume hood safety functions.
SMT workshop ventilation systems use multiple airtight valves to partition solder paste storage and reflow oven zones. The valve’s low airflow resistance (≤2Pa) minimizes energy consumption while maintaining Class 100 air quality around precision chips.
| Item | Parameter | A(mm) | (CMH) | |
| Max pressure | 5.0KPa | 200 | 1695 | |
| Max air speed | 25m/s | 250 | 2649 | |
| Min temperature | -30°C | 300 | 3815 | |
| Max temperature | 80C | 350 | 5192 | |
| Leakage rate | zero@2.5 KPa | 400 | 6782 | |
| Min dimensions | 152mm | 450 | 8583 | |
| Max dimensions | 915mm | 610 | 15773 | |
| Body material | SUS 304 | |||
| Shaft material | SUS 304 | |||
| Bearing material | SUS 304 | |||
| Blade material | SUS 304 | |||
| Blade seal | Silicone rubber/compressed neoprene | |||
Ultra-High Sealing Performance: Triple-layer fluorine rubber gaskets + precision-machined valve body achieve ≤0.1m³/h leakage, exceeding ISO 10648-2 standards.
Intelligent Pressure Response: Equipped with 4-20mA pressure transmitters, it adjusts opening 0-100% automatically, supporting Modbus communication.
Corrosion-Resistant Construction: 304/316L stainless steel body with electropolished surface (Ra≤0.8μm) resists chemical corrosion and simplifies cleaning.
Fire-Safety Integration: Optional fire damper function (150℃ automatic closure) meets NFPA 90A fire protection requirements.
Pre-Sales Engineering: On-site survey to design valve layout, calculate pressure parameters, and match HVAC system specifications.
Installation Guidance: Provide 3D installation drawings, torque wrench calibration tools, and on-site technician support for gasket compression testing.
Calibration Services: Annual pressure leakage testing with NIST-traceable equipment, issuing compliance reports for GMP audits.
After-Sales Warranty: 2-year full warranty, 7×24-hour technical response, and rapid replacement of wearing parts (gaskets, actuators).
A1: It operates stably between -500Pa and +500Pa, with adjustable setpoints via the integrated touch panel. For high-pressure applications (>500Pa), custom stainless steel valve cores are available.
A2: Under normal use (8,000 hours/year), fluorine rubber gaskets last 18-24 months. In high-chemical environments, we recommend quarterly inspections and replacement every 12 months.
A3: Yes, standard models support Modbus RTU/TCP protocols for seamless integration with building management systems. Profinet and Bacnet protocols are available on request.
