• For commercial & private use

350 Litre Water Tank Flat Baffled

Article#
Made from high-quality MDPE, this 350 litre flat water tank is designed for reliable use.
View full description
Capacity
(Litre)
350 Litre
Dimensions
(LxWxH)
99x75x52 cm
Lid Size
cm
15 cm
View all specifications
Selectable options:
drilled (open)

drilled (open)

connection of accessories possible.

not drilled (closed)

not drilled (closed)

outlet/threaded sleeve completely encased in plastic from inside - drilling possible at any time.

Selectable options:

vented

allows air exchange for pressure equalization

unvented

sealed lid for closed systems

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As low as: 355.–
422.45 Incl. Tax
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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

Resistance Chart Fluids Tanks (Size: 88 KB)
Technical Drawing (Size: 551.6 KB)
WRAS Certificate Potable Water Food Grade Temperature (Size: 266 KB)
RoHS 3 and REACH Statement (Size: 294.4 KB)

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

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