31 Litre Underslung Tank - Traffic Black (Ral 9017)
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31 litre underslung water tank from high-quality MDPE. Supplied with fitting kit for secure underfloor installation, strong and long-lasting.
Capacity
(Litre)
31 Litre
Dimensions
(LxWxH)
75x27x18 cm
Lid Size
cm
12 cm
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134.55
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Description / 31 Litre Underslung Tank - Traffic Black (Ral 9017)
31 litre universal underslung tank – suitable for a wide range of campervans, motorhomes, box vans and buses. Extra-flat profile with 12 cm flush, non-vented cleaning lid on the underside. Designed for secure underbody installation to maximise interior space; suitable for fresh water or waste water storage.
Fit & Compatibility
- Universal fit: for various campervans, motorhomes, trailers and service vehicles
- Capacity: 31 L
- Dimensions (L×W×H excl. lid): 75 × 27 × 18 cm
- Height incl. lid: 18.0 cm
- Wall thickness: 4-5 mm
- Connections: 1× ½" BSP brass inlet and 1× ½" BSP brass outlet
- Vents: 2× ¼" brass vent valves on tank top
- Lid: 12 cm flat, non-vented, underside access
- Mounting: vehicle-dependent (brackets/straps – hardware not included)
Features & Benefits
- High-quality MDPE tank, rotomoulded without welding seams
- Robust, reliable and food-grade safe
- UV-stabilised and impact-resistant
- Ultra-low height for tight underfloor installations
- Optimised flat profile to maximise interior storage space
Installation & Handling
- ½" BSP brass inlet/outlet sockets supplied; 2× ¼" brass vents on top
- 12 cm non-vented cleaning lid on underside for easy maintenance
- Install with suitable stainless brackets, perforated strap or custom carriers (not supplied)
- For adding extra connections such as fillers, vents or outlets use our PP Tank Connection Sets
Applications
- Private camper conversions and motorhomes
- Caravans, trailers and buses
- Service and utility vehicles
- Off-grid and mobile water systems
Drawings & Certificates
- Technical drawing available
- Certified to WRAS, REACH & RoHS standards
FAQs & Installation
- Are the inlet/outlet openings drilled? – The brass BSP sockets are supplied closed and can be opened during installation as required.
- Fresh or waste water use? – Yes, the MDPE tank is food-grade and suitable for both.
- Is mounting hardware included? – No; mounting is vehicle-dependent and should be realised with suitable brackets or straps.
Find detailed answers and more questions in our FAQ section.
Drawings & Certificates
More Information
| General Information | |
|---|---|
| Capacity (L) | 31 |
| Dimensions (LxWxH cm) | 75 x 27 x 18 |
| Height incl. Lid (cm) | 18 |
| Shape & Type | Flat Tank |
| Weight (kg) | 3.5 |
| Material & Durability | |
| Material | MDPE |
| Wall Thickness (mm) | 4 |
| Food-Safe Certification | WRAS approved - natural / black / light blue |
| UV Resistance | Yes |
| Temperature Resistance (°C) | max. + 70°C |
| Chemical Resistance | Yes with undrilled BSP Outlet |
| Suitable for Waste Water & Diesel | Yes |
| Design Features | |
| Baffles | No |
| Lid Size (cm) | 12 cm |
| Inspection Opening (cm) | 10,6 cm |
| Lid vented | No |
| Lid with Float | No |
| 3D file available | Yes, on request |
| Connections & Installation | |
| BSP Connections | Yes |
| BSP Connection Size | 2x 1/2" |
| Spin Weld Outlet possible | No |
| Installation Type | flat, horizontal |
| Mounting Options | plastic-coated steel strips / stainless steel brackets / frames |
| Accessory Compatibility | Brass & Plastic, Filters, Float-Valves |
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