Certikin Big Denver Self-Priming Pump – High Performance for Commercial Pools
The Certikin Big Denver is a high-performance self-priming centrifugal pump, specifically developed for small to medium-sized commercial pools or large residential pools. This pump combines extreme robustness with superior filtration capacity, thanks to its large pre-filter (8 litres).
Manufactured with premium materials, including a glass-fibre reinforced polypropylene body and an AISI-316 stainless steel shaft, the Big Denver guarantees total resistance to pool chemicals and corrosion, making it a reliable choice for those seeking longevity and technical reliability.
Advantages of the Certikin Big Denver Pool Pump
The Certikin Big Denver series stands out in the European market for its intelligent design. The transparent polycarbonate pre-filter lid allows for quick visual inspection, while the butterfly screw closing system ensures easy, tool-free access for basket cleaning.
Construction and Electrical Features:
- Self-Priming: Efficient suction capacity up to 2 metres.
- Chemical Resistance: Body made of mineral and glass-fibre reinforced polypropylene.
- Marine-Grade Shaft: Equipped with an AISI-316 Stainless Steel shaft for superior durability.
- High Protection Motor: IP-55 rating, ideal for humid environments.
- Versatility: Ø90 suction and Ø75 return connections (supplied with metric unions).
Technical Specifications and Performance Tables
Consult the detailed table below for the power and flow rates of the Certikin Big Denver range to find the ideal model for your installation.

| Model | Power | Voltage (V) | Max Height (m) | Nom. Q (m³/h) | Nom. H (m) | Box | Dimensions (mm) | ||||||||||
| HP | kW | 3~ 400V | Weight (kg) | Vol. (m³) | A | B | C | D | E | F | G | H | L | ||||
| BDP350T | 3 | 2.2 | 230/400 | 14 | 40 | 10 | 22 | 0.12 | 300 | 160 | Ø90 | Ø75 | 368 | 320 | 264 | 431 | 713 |
| BDP400T | 4 | 3.0 | 230/400 | 17 | 55 | 10 | 25 | 0.12 | 300 | 160 | Ø90 | Ø75 | 368 | 320 | 264 | 431 | 743 |
| BDP550T | 5.5 | 4.1 | 230/400 | 18 | 65 | 10 | 27 | 0.12 | 300 | 160 | Ø90 | Ø75 | 368 | 320 | 264 | 431 | 743 |
Frequently Asked Questions (FAQ) – Certikin Big Denver
1. What type of pools is the Certikin Big Denver recommended for?
This pump is ideal for small-scale commercial pools, public spas, or high-volume residential pools that require powerful and efficient water recirculation with low maintenance.
2. Is the Big Denver pump compatible with salt treatment?
Yes. Thanks to its AISI-316 stainless steel shaft, the Big Denver is highly resistant to corrosion, making it perfectly compatible with salt chlorination systems or seawater.
3. What is the advantage of the 8-litre pre-filter?
A large-capacity pre-filter allows more debris (leaves, twigs, etc.) to be trapped before reaching the impeller, which drastically reduces cleaning frequency and extends the motor’s lifespan.
4. Can I install this pump above the water level?
Yes, the Certikin Big Denver is a self-priming pump, which allows it to prime and lift water autonomously up to a height of 2 metres above the water level.
5. What electrical connections are required?
This model operates on three-phase voltage (230/400V – 50Hz). We recommend installing an electrical panel with appropriate thermal protection for three-phase motors to ensure full equipment safety.





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