DoubleTrac® Pipework – Flexible, Fire-Rated Fuel Transfer System for Diesel, HVO & Marine Installations

DoubleTrac® is a premium double-wall flexible fuel transfer pipework system, engineered for safe, reliable, and efficient delivery of diesel, HVO, petrol, and aviation fuels in demanding environments. Designed for backup generator fuel systems, marine refuelling infrastructure, automotive manufacturing plants, and engine test facilities, DoubleTrac® offers fire-rated protection, corrosion resistance, and rapid mechanical installation — with no welding required.

Why Choose DoubleTrac® for Your Fuel Piping Needs?

• Built for Critical Infrastructure: Trusted in data centres, hospitals, industrial facilities, engine test cells, and marina fuelling stations where dependable diesel and HVO fuel transfer is essential.
• Ideal for Fuel Supply & Return Lines: Suitable for day tanks, belly tanks, and sub-base tanks on critical generator installations, with full support for both supply and return piping.
• Supports HVO Transition: Fully compatible with Hydrotreated Vegetable Oil (HVO) – a growing replacement for conventional diesel in backup power applications.
• Fire-Rated to 2 Hours: Independently tested for fire resistance, meeting high safety standards in commercial, industrial, and marine settings.
• Weld-Free Installation: Utilises 100% mechanical fittings, reducing project timelines, labour costs, and eliminating the need for hot work permits.
• Leak Detection Ready: Designed to integrate with Class 1 EN 13160 leak detection systems for ongoing environmental safety and compliance.

Primary Applications for DoubleTrac® Pipework

• Backup Generator Fuel Systems: Flexible pipe solutions for fuel supply and return lines serving day tanks and sub-base/belly tanks in data centres, hospitals, and commercial and industrial buildings.
• Marine Refuelling Installations: Fire-rated, corrosion-resistant piping for diesel and petrol dispensing at marinas and portside fuelling points.
• Automotive & Engine Testing Facilities: Proven in automotive production lines and engine test cells requiring fire-safe, clean, and durable fuel transfer infrastructure.
• In-Building Fuel Distribution: Approved for installations in overhead trays, ducting systems, and service risers.

Key Features of the DoubleTrac® Fuel Piping System

• 316 Stainless Steel Pipework: Inner and outer pipes constructed from corrosion-resistant stainless steel for full compatibility with:
  • Diesel
  • HVO (Hydrotreated Vegetable Oil)
  • Petrol (Gasoline E0–E85)
  • Bio-Diesel
  • Jet A / Jet A-1 / Avgas
  • AdBlue / DEF
  • Various industrial chemicals
• Double-Wall Construction: Inner stainless steel layer with EFEP outer barrier delivers zero permeation and long-term durability.
• Fire-Tested to 2 Hours: Certified for high-risk environments including generator enclosures, risers, and plant rooms.
• Manual Flexibility: Can be hand-bent to suit on-site routing, reducing elbow fittings and leak potential.
• Custom Coiled Lengths: Supplied cut-to-measure coils (up to 1000m long) to minimise jointing and streamline installation.
• Leak Detection Integration: Built-in interstitial space with test-port ends ready for connection to EN-certified monitoring systems.

Certifications & Compliance

• UL 1369 Certified: Listed for aboveground fuel piping, pressure tested for commercial and industrial safety compliance.
• UL 971 Certified: Fully approved for underground fuel transfer applications, including tank farm connections and site-wide distribution.
• Marine & Building Use Ratings: Approved for fuel transfer through ductwork, sumps, and marina fuel systems.
• Temperature Resilience: Performs in environments from -30°C to +50°C, suitable for extreme climates.

Warranty & Durability

• 15-Year Warranty: For aboveground and marine installations
• 30-Year Warranty: For underground applications in compliance with UL 971

Engineered for Professional Installations

Whether you're designing a critical backup generator system, specifying pipework for a marine fuelling project, or integrating infrastructure in an automotive production or test facility, DoubleTrac® offers long-term performance, unmatched safety, and rapid deployment — all backed by certified compliance and expert engineering support.

Product Specifications

Further Information & Case Studies

For technical data sheets, installation guidelines, and real-world applications, please visit the DoubleTrac® Manufacturer Website.

Further Information & Case Studies

For technical data sheets, installation guidelines, and real-world applications, please visit the DoubleTrac® Official Website.