Designed and manufactured in Quebec since 1986
sales@patt-tech.com

Proven continuous-filtration platform

Rotary III: continuous filtration across a broad size range.

Seven frame sizes make Rotary III the flexible starting point for recycling, film, sheet and compounding lines. Continuous screen renewal and pressure control support stable extrusion; screen area and flow passages are selected around throughput, melt viscosity and contaminant loading.

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Rotary III side profile
7Frame sizes
10–1,990 cm²Documented screen-area range
1 µmConfigured filtration down to
450 °CHigh-temperature configuration

Commander and Pattriot: the origins of Rotary III

The Commander and Pattriot filter families evolved into today’s Rotary III range. Commander corresponds to Rotary III sizes A–D; Pattriot, also known as Patriot, corresponds to sizes E–G. The current Rotary III specifications are presented on this page.

For an existing installation, send the model, serial number and photographs of the nameplate and assembly. These details help Patt identify the equipment and discuss operation, cleaning, repair training or an upgrade.

Discuss an existing Patt filter

Model selection

Where this system fits

Select by the process duty, then size the filter.
Selection factorApplication guidance
Primary nicheA broad-size rotary screen platform for lines that need stable pressure during media renewal.
Typical process dutiesRecycling, film, sheet, compounding and specialty extrusion; media chosen for the required particle retention.
Sizing inputsThroughput, viscosity at operating temperature, clean-screen pressure drop, contamination and target fineness.
When to compare another familyCompare Rotary IV for monoblock corrosion-focused construction; Colossus for substantially greater media area.

Operating advantages

Designed to protect the extrusion process.

Continuous screen advancement and coordinated control reduce the disturbances associated with discontinuous screen changes.

ΔP

Adaptive pressure control

Live melt-pressure input governs screen advancement to maintain the selected process condition.

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DATA

Connected operation

Track process stability and screen consumption, export data and integrate with plant controls.

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SPEC

Built for the application

Flow channels, heating, materials, adapters and safeguards are configured for the actual line.

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Available options

Extend the operating envelope.

Rotary III configurations can be adapted for high temperature, elevated pressure, hazardous areas and demanding filtration ratings.

  • High-temperature construction up to 450 °C
  • High-pressure option adding up to 150 bar (2,200 psi) to the allowable range
  • Explosion-protected configurations by project
  • Custom adapters, dies, breaker plates and filtration media
Rotary III side profile
Rotary III architecture

rotary-iii

Documented specifications

Filter dimensions and measurement references
Dimensions
Rotary III brochure specifications · all dimensions in millimetres
ModelScreen areaHeatingMax. pressureABCDEFGWeight
Rotary III A10–48 cm²3,200 W5,800 psi280180580570251170166105 kg
Rotary III B38–100 cm²4,800 W6,500 psi300224586676315205203160 kg
Rotary III C85–184 cm²9,800 W6,500 psi355288733875419245258365 kg
Rotary III D150–385 cm²13,000 W6,500 psi6814351,0201,0855502703341,000 kg
Rotary III E385–815 cm²18,800 W6,500 psi7404941,2051,2657063003921,450 kg
Rotary III F650–1,480 cm²26,650 W6,500 psi8526071,3471,4458603354312,050 kg
Rotary III G1,110–1,990 cm²37,000 W6,000 psi9336641,4451,6009923514712,845 kg

Specifications are configuration-dependent and are confirmed during application review.

Related products and technical guidance

Bring us the process problem, not just a part number.

Share the polymer, throughput, temperature, pressure, contamination and target filtration. Our team will define the right system or process route.

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