Vacuum/Pressure Wood Treating Plants

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Advanced Wood Impregnation Equipment

At IWT-Moldrup, we lead the way in advanced wood treatment plants. Our vacuum and pressure wood impregnation plants have been setting industry standards since 1978. With decades of expertise, we offer a range of solutions tailored to meet your specific wood treatment needs.

A Recent Impregnation Plant Installation

Discover the scale and layout of a complete IWT-Moldrup vacuum/pressure impregnation plant.

Our Impregnation Plants

Discover our comprehensive range of impregnation plants, suitable for various capacities and purposes:

Small & Simple Plants: Perfect for capacities starting at 1,000 m³/year (approximately 423,000 bdf/year), these plants are designed for smaller-scale operations.

Standard Plants: Ideal for fully automatic operations, these plants offer capacities around 10,000 m³/year (approximately 4,230,000 bdf/year).

Large Plant Systems: Designed for high-capacity production exceeding 100,000 m³/year (approximately 42,300,000 bdf/year), these systems are equipped with advanced transport equipment.

Simple Treating Plants

Complete, turn-key solutions with capacities ranging from 1,000 m³/year (approximately 424,000 bdf/year) to 30,000 m³/year (approximately 12.71 million bdf/year).

These plants can be supplied in 1 or 2 units and offer quick installation in a matter of hours or days. Typical diameters are Ø 1,200 mm, Ø 1,800 mm, and Ø 2,000 mm, with lengths typically ranging from 6.0 to 18.0 meters.

You can also choose to have one or more storage tanks, which can be positioned underneath, next to, or on top of the autoclave for reduced footprint.

High Capacity Fully Automatic Wood Treating Plants

For high-capacity needs, we offer our type T20 vacuum/pressure impregnation plants with annual capacities ranging from 50,000 m³/year (approximately 21.19 million bdf/year) to 200,000 m³/year (approximately 84.76 million bdf/year).

These plants come with optional fully automatic handling systems, one or more working tanks for various preservatives/colors, and material handling with holding bays for freshly treated and untreated wood.

Despite their high capacity, these plants feature a compact design with a limited footprint.

Fully Automatic Material Handling Systems

Our systems can optionally include fully automatic in- and out-feed systems, allowing 24-hour operation without supervision. With this option, you can load 8–12 cycles in the morning and collect the finished treated wood the next morning.

Plant Refurbishments

We also specialize in retrofitting older plants with new doors, autoclaves, pump stations, software, and automation systems. This includes upgrading older systems with new software, as well as complete refurbishments for pre-owned use.

Environmentally Friendly Practices: 

We collect acids, VOCs, and degradation chemicals, preventing their release into the environment. Our processes maintain wood moisture content for improved workability and less brittleness, ensuring the highest quality results.

Experience Counts:

With over 1,000 IWT/Moldrup wood treating plants worldwide, our experience speaks for itself. We maintain close relationships with customers globally, including many resell customers.

Thank you for exploring our

Vacuum/Pressure Impregnation Plant Solutions

Contact us today to learn more about how our innovative technologies can benefit your wood treatment needs.

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