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Zhejiang Yuede Environmental Protection Technology Co., Ltd. is located at 505 Lanshang Road, Xinwan Street, Qiantang District, Hangzhou City. China High Pressure Kitchen Exhaust Fan Manufacturers and High Pressure Kitchen Exhaust Fan Factory.
The company is mainly engaged in the research, development, production, and sales of oil fume purification and exhaust equipment, and is one of the few manufacturers in the industry with the ability to develop electronic software systems and design sheet metal structures.
The products specifically include oil fume purifiers, oil fume purification all-in-one machines, intelligent cleaning all-in-one machines, fans, fresh air cooling fans, and intelligent smoke exhaust systems.
Since 2020, the company has accumulated 2 invention patents and 31 utility model patents. Among them, the practical patent - the splicing technology of all-in-one machines has been adopted by more than 80% of peers; The patents related to intelligent cleaning and intelligent smoke exhaust systems are breakthrough or leading technologies in the industry. Traditional product companies such as oil fume purifiers and fans have optimized their structure and process to achieve better results and higher grades.
High Pressure Kitchen Exhaust Fan Manufacturer
-- Steady & Reliable Manufacturer --
Introduction
A high pressure kitchen exhaust fan is a centrifugal fan specifically selected or designed to overcome the elevated static pressure resistance encountered in commercial kitchen exhaust systems with long duct runs, multiple bends, vertical risers, high-efficiency purification equipment, or shared exhaust systems serving multiple kitchen zones or building tenants. Standard kitchen exhaust fans are suitable for system pressures up to 300–400 Pa, but many commercial kitchen installations — particularly in high-rise buildings, large hotel complexes, and underground kitchens — generate total system static pressures of 500–1,500 Pa that require specifically selected high-pressure fan models to deliver the required airflow.
Yuede's high-pressure kitchen exhaust fan models in the smoke extraction cabinet series are optimized for high static pressure operation using backward-curved impeller geometries and matched high-torque motors, providing the combination of pressure capability and energy efficiency that is increasingly required as kitchen ventilation systems serve more complex building configurations and incorporate more stages of purification equipment. Each model is available with IE3 high-efficiency motors and VFD-compatible configurations for integration into demand-controlled ventilation systems.
Products & Solutions
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Specification
| Parameter | Detail |
|---|---|
| Fan Type | Backward-curved centrifugal (high-pressure optimized impeller) |
| Airflow Range | 500 – 20,000 m³/h per unit |
| Maximum Static Pressure | Up to 1,500 Pa (model-dependent) |
| Motor Power Range | 1.5 kW – 55 kW |
| Motor Efficiency | IE3 standard; IE4 on request |
| Drive Type | Direct drive (standard); belt drive for large models |
| Impeller Material | Galvanized steel (standard); 304 SS (optional) |
| Housing Material | 1.5 mm galvanized steel; reinforced housing for high-pressure models |
| VFD Compatibility | All models; insulated bearings ≥11 kW motor |
| Bearing Life | L10 >40,000 hours |
| Temperature Rating | Continuous 80°C; short-term 120°C |
| Mounting Options | Roof mount; wall mount; inline; floor-standing with anti-vibration mounts |
| Certification | CE; IE3/IE4 motor efficiency; ISO 9001 manufacturer |
* Fan curve data available for all high-pressure models for system resistance calculation. Acoustic data available for noise-sensitive installations. Parallel fan arrangements available for very high airflow requirements.
Application
- High-Rise Building Restaurant Kitchens: Restaurants on upper floors of high-rise buildings or with kitchen exhausts rising 10–30 floors vertically before roof discharge accumulate significant static pressure from the vertical duct run, requiring high-pressure fans to maintain adequate exhaust airflow against this resistance.
- Underground and Basement Kitchen Installations: Basement kitchens must exhaust against the combined static pressure of a long vertical riser to ground level plus horizontal duct runs to the building perimeter. Total system pressures of 800–1,200 Pa are common in basement kitchen configurations, requiring specifically selected high-pressure fan models.
- Kitchens with Multi-Stage Purification Systems: Kitchens installing multiple stages of purification — baffle filters + ESP + UV + activated carbon — accumulate pressure losses across all stages. A kitchen with 300 Pa ductwork resistance plus 400 Pa of purification equipment resistance requires a fan capable of 700+ Pa static pressure, falling into high-pressure fan territory.
- Shared Exhaust Systems for Multiple Kitchen Tenants: Shared exhaust risers in multi-tenant food court or mixed-use buildings require fans capable of overcoming both the main riser resistance and the individual branch resistances from each kitchen connection point — typically a high static pressure application given the combined duct length involved.
- Replacement of Failed High-Pressure Fans: When an existing kitchen exhaust system's fan fails or reaches end of life, the replacement must match the original fan's pressure capability as well as its airflow. Yuede's high-pressure range covers the most common existing fan specifications and can provide direct replacements with improved motor efficiency.
- Q: How do I know if my kitchen needs a high-pressure exhaust fan?
- A: A high-pressure fan is needed when your total system static pressure calculation exceeds approximately 400–500 Pa. Key indicators that a high-pressure fan may be required: kitchen located in a basement or on an upper floor of a high-rise building; duct run exceeding 50 meters total equivalent length; multiple stages of purification equipment (ESP + UV + carbon); shared exhaust riser serving multiple kitchens. Yuede can perform the static pressure calculation for your system if you provide a duct layout with component list and dimensions.
- Q: Can a standard fan be used if I set the speed higher to compensate for high static pressure?
- A: Increasing a standard fan's speed to overcome higher-than-designed static pressure causes the motor to operate beyond its rated current, risking motor overheating and failure. The fan's mechanical components (bearings, impeller) are also stressed beyond their design loads. This approach should not be used as a substitute for correct fan selection. A properly selected high-pressure model will deliver the required airflow within its rated speed and motor current limits.
- Q: Is a high-pressure fan louder than a standard-pressure fan?
- A: At equivalent airflow rates, high-pressure fans operating at higher speeds generate more noise than fans operating at lower speeds. The increase in sound power level is proportional to fan speed ratio (approximately 15 dB per doubling of speed). For noise-sensitive locations, acoustic enclosures, flexible duct connections, and inlet/outlet silencers are recommended. Yuede provides sound power level data for all high-pressure fan models to support acoustic assessment calculations.
- Q: What is the difference between a high-pressure kitchen exhaust fan and a smoke extract fan?
- A: A high-pressure kitchen exhaust fan is designed for normal cooking exhaust service at elevated static pressures — operating continuously at 40–80°C airstream temperature with grease-laden air. A smoke extract fan (per EN 12101-3) is designed to operate at 300–400°C for a defined period during a building fire event. These are different products with different certifications. Most kitchen exhaust systems do not require fire-rated smoke extract fans unless specifically required by a fire engineer's design — confirm with your fire safety engineer which standard applies to your installation.
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Zhejiang Yuede Environmental Protection Technology Co., Ltd.
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