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PVC Fill
A reliable component for dependable cooling-tower and condenser operation
HACST cooling-system components are selected to support efficient, serviceable operation in cooling towers and evaporative condensers. Material compatibility, operating conditions, system interfaces and maintenance access should be reviewed as part of the complete equipment design.
Specified around operating conditions and site requirements
The component specification should be considered with the equipment model, process medium, operating environment, system duty and planned maintenance routine.
- Application-led selection: the configuration begins with the actual operating duty and project objective.
- Practical integration: installation footprint, access, controls and service requirements are considered early.
- Long-term operation: material, water, airflow and maintenance considerations are reviewed for the operating environment.
Configuration and performance considerations
Overview
HACST® manufactures a complete range of PVC, CPVC, and PP cooling tower fill media designed for high thermal performance, durability, and compatibility with all major cooling tower brands, including Marley, BAC, Liangchi, Kingsun, Brentwood, Kuken, Hamon, and others.
Cooling tower fill is the core heat-exchange component responsible for forming water films or droplets, increasing the contact area with air, and enabling efficient evaporative cooling. High-quality fill media directly improves cooling capacity and reduces energy consumption.
Role in Cooling Towers
- Heat Transfer Enhancement: Corrugated or grid structures create large surface areas for evaporation.
- Improved Water Distribution: Develops uniform water films or droplets for balanced air–water contact.
- Maximized Cooling Efficiency: Determines up to 70–80% of overall cooling tower performance.
- Supports Crossflow & Counterflow Designs: Suitable for industrial, HVAC, and high-load cooling environments.
Materials
HACST uses high-grade polymers to ensure long service life and stable cooling performance.
| Material | Temperature Resistance | Features |
|---|---|---|
| PVC | 50–60°C | High efficiency, widely used, cost-effective |
| CPVC | 90–100°C | For high-temperature industrial cooling |
| PP | 80–95°C | Chemical-resistant, ideal for dirty water |
Types of Cooling Tower Fill
A. Film Fill (High-Efficiency Thin Film Type)
Designed for clean water applications requiring maximum thermal performance.
- Marley Type (F-001–F-010): 19mm spacing, 610–1520mm width.
- BAC Type: Optimized corrugated sheets for high cooling efficiency.
- Liangchi Type (F-011–F-012): 20mm sheet spacing.
- Kuken Type (F-013–F-014): 15/20mm spacing for Japanese cooling towers.
- Kingsun Type (F-017–F-019): 12–19mm spacing, 300–610mm width.
- Brentwood Type (F-020–F-022): Includes S-type & turbidity-resistant designs.
- Hamon Type (F-023–F-024): 305–610mm width for European cooling systems.
B. Special Structured Film Fill
- S-Type Fill (F-027): High turbulence and mixing effect.
- Spindle Fill (F-026): Suitable for crossflow towers.
- Round Cooling Tower Fill (F-028): 650–810mm diameter.
C. Splash Fill (For Poor Water Quality)
- PP Grid Fill (F-029): Strong chemical resistance and anti-fouling ability.
- PP Trickle Fill: Suitable for high-temperature or polluted water conditions.
Advantages of HACST® Fill Media
- Hydrophilic surface improves water distribution by 15–20%.
- High structural strength from vacuum forming and hydraulic compression.
- Excellent UV resistance, anti-aging and long lifespan.
- Easy installation, cutting, and replacement for all major brands.
- PP and CPVC options available for high-temperature and corrosive environments.
Available Specifications
- Length: 400–1800mm (customizable)
- Width: 225–1520mm
- Sheet Spacing: 12 / 15 / 16 / 18 / 19 / 20 / 33 / 61 mm
- Thickness: 0.3–1.0 mm
- Colors: Black, grey, blue, transparent
Applications
Cooling tower fill media is widely used in:
- HVAC & commercial cooling
- Petrochemical plants
- Power stations
- Steel & metallurgy
- Food processing (chicken, meat, seafood)
- Plastic extrusion & injection cooling
- Mining & coal washing
- Industrial refrigeration systems
- Evaporative condensers
- Data centers
Installation Guide
- Remove old fill and clean internal tower structure.
- Check beam supports and spacing before installation.
- Install blocks layer-by-layer in correct airflow direction.
- Fix sheets using PVC welding or nylon tie rods.
- Run water distribution test to confirm uniform flow.
Quality Control
- Raw material purity test
- Thickness measurement & spacing calibration
- High-temperature deformation test
- UV aging resistance test
- Pressure drop & airflow performance test
Why Choose HACST®?
- Factory-direct manufacturing with strict QC systems
- Exported to 100+ countries worldwide
- Fully compatible with all major cooling tower brands
- Fast delivery & large production capacity
- Professional engineering team supporting OEM/ODM projects
Where this solution adds value
Each project is assessed around its operating conditions, environmental requirements and service expectations.
Four inputs for a more accurate equipment selection
- Identify the equipment modelShare the equipment type, existing configuration and intended installation.
- Confirm operating conditionsProvide process medium, temperature, pressure or airflow data as applicable.
- Review material needsIdentify water quality, corrosion exposure and performance requirements.
- Plan service accessConfirm maintenance approach, spare-parts needs and project timing.
Need help with your equipment selection?
Send your operating data and project requirements. HACST will help define a practical cooling solution.