Description
The Bloc 5000 DEF Double Wall Tank is engineered for the secure, compliant storage and dispensing of Diesel Exhaust Fluid (DEF) in demanding environments. Its modular, cube-style design provides robust defense against contamination, environmental exposure, and spill risks, making it ideal for construction, fleet operations, agriculture, and any application relying on DEF.
Features and Benefits:
- Capacity: Safe fill level approximately 5,000 litres (confirm with Unity Fuel Solutions for precise volume)
- DEF-Grade Construction: Double-walledan internal tank of Grade 304 stainless steel lined with a thermal insulation barrier for DEF purity and temperature control, plus a tough mild steel outer wall for integral secondary containment
- Secure Pump Bay: Lockable, recessed pump cabinet at the front stores dispensing accessories and electronics safely
- Dimensions & Weight: Large cube-style tank footprint designed for maximum on-site stability (contact Unity Fuel Solutions for exact specifications)
- Forklift Pockets & Lifting Lugs: Forklift points and certified tie-down/lifting lugs in all corners for easy transport and installation
- Internal Access: Removable lids allow for safe and simple internal tank cleaning and maintenance
Compliance and Safety:
- Certifications: Exceeds UL-142, ULC-S601-14, and (where required) UN-31-A/Y complianceensuring you meet all key North American regulatory standards for DEF storage
- Leak Containment: Double-wall design forms a secure interstitial space for leak detection, eliminating the need for an external bunded wall
- DEF-Only Contact: All wetted surfaces (internal tank, piping, and fittings) are Grade 304 stainless steel, ensuring rust- and contamination-free DEF handling
- Overfill Protection: Mechanical overfill prevention valve is standard; electronic overfill alarms and tank gauges are available as options
- Security: Heavy-duty lockable lids and security features protect both your DEF and dispensing hardware from tampering or weather
Design and Installation:
- Modular and Mobile: Place-fill-and-pump setup allows for rapid deployment with minimal site preparation
- Thermal Insulation: DEF compartment lined with an insulation barrier to maintain fluid quality in a range of climates
- Flexible Dispensing: Sectional manway cut-outs accommodate custom hose routing for equipment like generators or external DEF dispensers
- Durable Finish: Exterior finished with premium-grade paint (white as standard, other colours on request) to resist corrosion and UV exposure
Suitable For:
- Construction and civil engineering sites
- Trucking, logistics, and fleet fueling depots
- Agriculture and mining operations
- Government, municipal, and emergency facilities
Specifications:
Safe Fill Level: Approx. 5,000 litres (confirm with supplier)
Inner Tank: Grade 304 stainless steel, thermal-insulated
Outer Tank: Robust mild steel for secondary containment
Certifications: UL-142, ULC-S601-14, UN-31-A/Y (as needed)
Pump Bay: Lockable, recessed
Access: Removable manways and lids
Portability: Forklift pockets, tie-down lugs
Security: Lockable lids and cabinet
Paint Finish: High-grade, weather-resistant (white standard; custom on request)
DEF Accessories: DEF-specific pumps, hoses, nozzles, electronics (contact Unity Fuel Solutions for options)
With its dedicated DEF-grade construction, full double-wall protection, and modular installation, the Bloc 5000 DEF Double Wall Tank by Unity Fuel Solutions ensures your DEF stays safe, pure, and regulation-compliantready for any fleet or worksite.






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