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Wet Pad
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- Product Description
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- Commodity name: Wet Pad
General Introduction
Evaporative Cooling Pads (Wet Pad)
The Evaporative Cooling Pad system, also known as wet pad or cooling pad, is a highly effective and energy-efficient cooling solution for greenhouses, particularly in hot and dry climates.
Located in the north gable wall, the cooling pads work in conjunction with exhaust fans to create a negative pressure cooling effect.
Evaporative cooling pads are constructed of cellulose paper with a cross-fluted design. Water flows through the pads, saturating the cellulose material. As hot outside air is drawn through the moist pads by exhaust fans placed at the opposite gable or sidewall, the water evaporates, absorbing heat from the air and cooling it before it enters the greenhouse.
This process can reduce incoming air temperatures by 10-15°C, or 18-27°F, depending on ambient humidity levels.
System Components
Complete Cooling Pad System for Greenhouse Climate Control
01150mm Thick Cooling Pads
Made from specially formulated cellulose paper impregnated with insoluble anti-rot salts for long service life.
02PVC Distributor Pipe
Evenly distributes water across the top of the cooling pads.
03Aluminum Deflectors
Direct water flow and prevent splashing for stable system operation.
04Return Gutters
Collect and return water to the sump tank for recirculation.
05Plumbing Complete Kit
Includes all necessary fittings and connections for system installation.
06Sump Pump
Recirculates water through the system for continuous cooling performance.
07Extruded Aluminum Tube Stringers
Provide reliable support structure for the cooling pads.
08Aluminum Flashing
Seals edges and prevents water leakage.
09PVC Sump Tank
Stores recirculating water for the cooling pad system.
10Return Reservoir with Drain Plug
Designed for easy maintenance and cleaning.
113mm Aluminum Cover
Protects the top of the cooling pad system.
Key Advantages
Energy-Efficient Cooling for Better Greenhouse Growth
01Energy-Efficient
Uses only water and a small pump, without compressor or refrigerant.
02Cost-Effective
Provides lower operating costs compared to mechanical refrigeration.
03Effective Cooling
Achieves 10-15°C temperature reduction depending on humidity conditions.
04Increases Humidity
Beneficial for many crops in dry climate conditions.
05Improves Plant Growth
Creates optimal growing conditions during hot weather.
Applications
Main Application Scenarios
01Commercial Vegetable Greenhouses
Suitable for cooling commercial vegetable greenhouse production areas.
02Flower and Ornamental Production
Helps maintain suitable growing conditions for flowers and ornamental crops.
03Propagation and Nursery Facilities
Provides effective cooling for seedling propagation and nursery growing areas.
04Livestock Housing
Can be used for cooling and humidity management in livestock housing environments.
05Industrial and Commercial Spaces
Suitable for economical cooling in industrial and commercial facilities.
Technical Specifications
Structure, Materials and Technical Parameters
Pad Thickness 150 mmPad Material Cellulose paper with anti-rot saltsWater Distribution PVC distributor pipeSupport Structure Extruded aluminum tube stringersSump Tank PVC with drain plugCover 3mm aluminumInstallation Location North gable wall
Add：No. 50, Lane 100, Jiaqian Road, Nanxiang Town, Jiading District, Shanghai, China
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