PVC Cooling Tower Fill for Power Plant

PVC cooling tower fill for power plants is a critical component for heat rejection efficiency, water conservation, and long-term reliability in high-duty industrial environments. Below is a technical, power-plant–focused guide to help you select the right fill type and specification.

Why PVC Fill Is Used in Power Plant Cooling Towers

PVC (Polyvinyl Chloride) fill is widely used in thermal power plants, combined-cycle plants, and nuclear auxiliary cooling systems because it offers:

* High heat transfer efficiency

* Excellent resistance to water, scale, and biofouling

* Stable performance at continuous operation

* Lower cost than PP for most operating conditions

> PVC is ideal when hot water temperature ≤ 55–60 °C and water quality is reasonably controlled.

Common PVC Fill Types for Power Plants

1. Film Type PVC Fill (High Efficiency)

Best for clean to moderately treated circulating water.

Features

* Thin, corrugated sheets

* Large heat transfer surface

* High thermal performance

Typical specs

* Sheet thickness: 0.27–0.40 mm

* Flute height: 12 / 19 / 23 mm

* Specific surface area: 110–200 m²/m³

Applications

* Large mechanical draft cooling towers

* Condenser cooling systems

* CTI-rated towers

2. Splash Type PVC Fill (Anti-Fouling)

Used when water quality is poor or solids are present.

Features

* Bar or grid structure

* Lower clogging risk

* Easy cleaning & long life

Applications

* Ash handling cooling

* High TSS makeup water

* Old power plant retrofits

3. High-Temperature PVC Fill (Modified PVC)

Features

* Special additives and stabilizers

* Better deformation resistance

Temperature limit

* Continuous: up to 60 °C

* Short-term peak: 65 °C

Used when PP fill is too costly but standard PVC is insufficient.

PVC vs PP Fill for Power Plants

Item	PVC Fill	PP Fill
Max continuous temp	55–60 °C	80–90 °C
Heat transfer efficiency	High	Medium
Cost	Lower	Higher
Anti-fouling	Medium	Excellent
Common usage	Condenser cooling	Poor water quality / hot water

Rule of thumb

* Use PVC film fill for most condenser cooling towers

* Use PP splash fill if water is hot or dirty

Key Technical Parameters to Specify

When ordering PVC fill for a power plant, always define:

* Cooling tower type (counterflow / crossflow)

* Water temperature in/out

* Circulating water quality (TDS, TSS, oil content)

* Fill size & block configuration

* Fire rating (self-extinguishing PVC, ASTM E84 / UL94)

* CTI compliance

Typical Standards & Compliance

* CTI STD-136 / STD-137

* ISO 9001 / ISO 14001

* ASTM E84 (fire performance)

* UL-94 V-0 (optional)

Power-Plant PVC Fill Manufacturers (Global Supply)

Export-Grade China Manufacturers

* Large block PVC film fill

* CTI-compatible designs

* Custom flute geometry

* Lower project cost

OEM / EPC Preferred Brands

* SPX (Marley)

* EVAPCO

* BAC

* Hamon

Installation & Maintenance Tips (Power Plant)

* Maintain uniform water distribution

* Prevent dry spots (cause warping)

* Periodic biological & scale cleaning

* Monitor hot-water excursions

* Replace aged fill in stages to avoid performance drop