Simply realizing accumulated know-how.
"Energy saving" and "high quality" have become important keywords in recent times. The same applies to air conditioning dampers, where similar requirements are expected in the environments where they are used. In particular, there is a need to prevent cross-contamination, maintain cleanliness, and avoid exposure to hazardous atmospheres in environments such as medical facilities, production lines (semiconductors and pharmaceuticals), and laboratories. Control technology is necessary to prevent these issues while also achieving energy savings, starting with room pressure control dampers. These dampers directly feedback room pressure and control exhaust (or supply) dampers to achieve the set room pressure. - Miniaturization and cost reduction: Achieved through dedicated design and miniaturization for lower costs. - Improved operability: Standard features include digital displays and operation switches, enhancing usability. - Enhanced functionality: Standard implementation of room pressure and damper opening output, various contact input/output, and communication functions (Modbus communication). - Flexible response: Flexible adaptation to the site through various parameter settings, with parameters also adjustable via switches.
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basic information
● Damper Section - Damper Size: φ100 to φ400 (round type) 200W×200H to 700W×700H (square type) (Please consult us for special sizes) - Damper Material: SUS, PVC, various coatings available - Damper Performance: Can accommodate internal and external airtightness, high airtightness, etc. ● Controller - Pressure Range: -100Pa to +100Pa (±2% FS) - Power Supply: AC24V±10% 50/60Hz (AC100V optional) - Power Consumption: Maximum 32VA - Contact Inputs: 1. Room pressure setting switch (4-point room pressure switch) 2. Control stop command 3. Full close command for damper 4. Full open command for damper - Contact Outputs: Contact capacity: AC/DC60V 400mA 1. Upper limit alarm for room pressure 2. Lower limit alarm for room pressure 3. Status output (ON during control state, OFF during control stop) 4. Fault output (ON during power off and other faults) - Analog Output: Room pressure output, damper opening degree output - Analog Input: Room pressure setting input - Actuator: Fastest 7 seconds (customizable)
Price range
P3
Delivery Time
P4
Applications/Examples of results
To control room pressure, the balance between supply air volume and exhaust air volume is important. In the case of a positive pressure setting, increase the supply air volume and reduce the exhaust air volume. In the case of a negative pressure setting, reduce the supply air volume and increase the exhaust air volume. It is also possible to control room pressure using CAV and other methods for both supply and exhaust air; however, this damper can directly sense room pressure, allowing for reliable control of room pressure. Furthermore, with a digital controller, settings can be made directly in numerical values, making room pressure settings easy. This allows for precise control according to the purpose, especially when there is a need to establish a pressure difference between rooms or when balancing the pressure difference between rooms during the startup or shutdown of air conditioning units.
Line up（3）
| Model number | overview |
|---|---|
| KPC-1000MR | Integrated damper and control unit |
| KPC-1100 | Separated damper and control unit (flanged type) |
| KPC-1200 | Separated damper and control unit (insert type) |
catalog（2）
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Company information
Cliff Corporation is a company that manufactures, customizes, and maintains air conditioning control-related equipment. Our main products include "Room Pressure Control Dampers (PCD)," "High-Speed VAV," and "Natural Ventilation Devices (Eco Wind)." We respond to the advanced demands required in diverse spaces and deliver solutions using cutting-edge technology.