MATERIALS AND CONSTRUCTION

​Built for Long-Term Performance and Hygiene Compliance​

Aluline grease traps are engineered and manufactured to meet the demanding requirements of commercial kitchen environments while complying with UK building regulations and hygiene standards.

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Construction Materials

Our grease management systems are manufactured from austenitic AISI304 stainless steel, selected specifically for its corrosion resistance, durability in food service environments, and ease of cleaning. Stainless steel construction ensures the units remain hygienic throughout their service life and do not harbor bacteria in the way that plastic or mild steel alternatives might. All welded seams are ground and polished to food-grade standards.

The biological hydro-separator design incorporates internal baffles engineered to maximize retention time and separation efficiency. These baffles are removable for maintenance access while maintaining structural integrity of the unit. All gaskets and seals are food-grade materials resistant to fats, oils, and commercial cleaning chemicals.

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Hygiene and Odor Control

In accordance with EN 12056-1:2000, drainage systems installed inside buildings must not release vapors and foul air into the building. Our grease traps are designed as fully sealed units with secure lid closures, preventing odor escape and maintaining hygienic conditions in your commercial kitchen environments. This is particularly important when units are installed within or adjacent to food preparation areas.

The air-tight construction means these systems can be installed inside kitchen spaces without creating environmental health concerns, unlike some traditional passive traps that may require installation in separate ventilated spaces. This gives you more flexibility in your kitchen layout and equipment placement.

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Manufacturing Standards and Certifications

Aluline operates as an ISO 9001, ISO 14001, and ISO 45001 certified manufacturer. This triple certification demonstrates our commitment to quality management, environmental responsibility, and health and safety standards throughout our manufacturing process. Products are manufactured in our UK facility with full traceability of materials and components.

Each unit is pressure tested before leaving our facility to ensure seal integrity. We maintain comprehensive quality records that can be provided for project documentation requirements.

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Warranty and Service Life

We provide up to thirty year on-site warranties for our grease trap systems, reflecting our confidence in the durability of our materials and construction methods. This extended warranty period significantly exceeds industry standards and should be factored into whole-life cost analysis for your projects.

The stainless steel construction eliminates common failure modes associated with plastic degradation, mild steel corrosion, or mechanical wear from moving parts found in some automatic systems. Properly maintained, our biological hydro-separators can provide reliable service throughout the entire lifespan of the building.

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Dimensional and Weight Considerations

Our above-ground models (AG1 through AG5) are designed to fit in standard commercial kitchen spaces with minimal floor space requirements. Units can be positioned under work surfaces, adjacent to equipment, or in dedicated utility areas based on your kitchen layout requirements.

Weight specifications range from approximately 40kg for the smallest AG1 model to 180kg for the largest AG5 model when empty. When filled with water, you should account for the additional weight of the water capacity plus retained grease and solids. Detailed dimensional drawings and weight specifications for each model are available through our technical support team or via the NBS platform.

Below-ground interceptors are designed for external installation and sizing depends on site-specific flow calculations and available installation space. These units require concrete or reinforced installation chambers to meet load-bearing requirements for vehicular traffic if installed under driveways or parking areas.

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Installation Requirements

All installations should be carried out by competent plumbers or drainage engineers familiar with commercial grease management systems. We can provide approved installer recommendations for your project location if required.

Installation must include provision for regular maintenance access. Above-ground units require clear access to the top lid for grease removal and strainer basket cleaning. Below-ground units require manhole or access cover installations that meet traffic loading requirements for their location.

Biological dosing systems require standard electrical supply (specifications provided with each model). The Aluzyme dosing units are low voltage and designed for safe operation in commercial kitchen environments.

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Compliance Documentation

For building control and project documentation purposes, we provide:

• Certification that our systems are designed and manufactured to meet BS EN 1825 standards

• Building regulations Part H compliance documentation

• Material certificates and specifications

• Installation guidance and commissioning procedures

• Operation and maintenance manuals

These documents can be provided at specification stage to support your planning and building control submissions.