350 Litre Water Tank Flat Baffled

Description / 350 Litre Water Tank Flat Baffled
350 litre flat/low-profile water tank made from high-quality MDPE – flat design, perfect for limited spaces with low height.
Features & Benefits
- 6-7 mm wall thickness for strength and reliability
- From high quality MDPE, roto-moulded (seamless; no welded seams)
- Durable and impact-resistant for long service life
- Integrated baffles reduce liquid movement and improve stability during transport
- Food-safe, UV-resistant and chemical-resistant; REACH-compliant
- Temperature resistant for water up to +70 °C
Installation & Handling
- The 1" BSP outlet is standard. Choose drilled (open) for immediate use with brass connection sets, or undrilled (sealed) so the outlet remains closed until needed.
- For adding extra connections, outlets, fillers or vents use our PP Tank Connection Sets. See our installation guide for detailed instructions.
- 15 cm screw lid.
- Inspection opening: 11.7 cm for easy access and cleaning
- Dimensions: 99 cm × 75 cm × 57 cm (L × W × H incl. lid)
Applications
- Professional & industrial: plant and mechanical engineering, OEM projects, industrial and production facilities, process and cooling water, agriculture, horticulture, construction sites
- Mobile: campers, motorhomes, caravans, boats, yachts, service vehicles, cleaning vehicles, mobile water supply, events and emergency services
- Domestic: rainwater harvesting, garden irrigation, toilets, washing machines, cleaning systems, household water supply and DIY projects
- Spin Weld Outlets available on request for larger orders or OEM projects.
Drawings & Certificates
3D step file available on request. Technical drawing, WRAS food safety certificate, REACH/RoHS-compliance and chemical resistance list are available for download below.
FAQs & Installation
- What are baffles and why are they useful?
They reduce liquid movement and improve stability during transport. - What does drilled vs. undrilled outlet mean?
- How can I install additional connections on the tank?
- How should I secure or fasten the water tank?
Find detailed answers and more questions in our FAQ section.
Drawings & Certificates
More Information
| General Information | |
|---|---|
| Capacity (L) | 350 |
| Dimensions (LxWxH cm) | 99 x 75 x 52 |
| Height incl. Lid (cm) | 57 |
| Shape & Type | Flat Tank |
| Weight (kg) | 24.5 |
| Material & Durability | |
| Material | MDPE |
| Wall Thickness (mm) | 6 |
| 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 | Yes |
| Lid Size (cm) | 15 cm |
| Inspection Opening (cm) | 11,7 cm |
| Lid vented | selectable |
| Lid with Float | optional |
| 3D file available | Yes, on request |
| Connections & Installation | |
| BSP Connections | Yes |
| BSP Connection Size | 1" |
| Spin Weld Outlet possible | Yes |
| Installation Type | flat, horizontal |
| Mounting Options | plastic-coated steel strips / stainless steel brackets / frames |
| Accessory Compatibility | Brass & Plastic, Filters, Float-Valves |
Installation Push-In BSP Fittings
Our Push-In BSP Fittings can be installed quickly, easily, and completely from the outside; even in areas that are not accessible from the inside. This allows connections to be made flexibly at any flat section of the water tank; without opening or dismantling the tank.
Simple. Fast. Flexible. Our PP tank connectors feature an external thread from ½" to 2" and an internal thread from 3/8" to 1 ½" inside the fitting.
Tip: For liquids other than water, versions with NBR seals (diesel-resistant) and FKM seals (chemical-resistant) are available
Video: Installing Push-In BSP Fitting on watertank























