WWOax – centrifugal fans used for general and special purposes, including room ventilation, boiler draught, and fumes extraction.
Produced in 15 different sizes – from 20 to 140, with a flow rate from 0.3 to 48 m3/s and total pressure rise from 250 to 5 400 Pa.
A relatively low weight, small size, and high performance place this series among the world’s best products of this type.

WPWx – cutting-edge high-performance centrifugal fans with a wide range of uses.
These fans are used in many different industries and their flow parameters are tailored to the specific needs of each customer.

WPPO – single inlet centrifugal fans with a wide range of uses, recommended for exhaust extraction, extensively used in a number of processes.
They have been developed and produced in collaboration with academic and industrial research institutions.
Produced in sizes: 31.5, 40, 50. Continually upgraded.
Range of parameters: flow rate: 0.5 ÷ 8 m3/s, total pressure rise: 300 ÷ 9 900 Pa.

WPWs – centrifugal fans with a wide range of uses, recommended for exhaust extraction.
They have been developed and produced in collaboration with academic and industrial research institutions. Produced in sizes: 56 ÷ 125.
Range of parameters: flow rate: 7.7 ÷ 43 m3/s, total pressure rise: 900 ÷ 6 000 Pa.

WPWDs – double inlet centrifugal fans (double suction).
Mainly designed for exhaust extraction from coal boilers.
Produced in sizes: 55, 71, 80, 90, 100.
Range of parameters: flow rate: 2.5 ÷ 70 m3/s, total pressure rise: 450 ÷ 6 600 Pa.

WOPO – axial fans for ventilation of indoor spaces of various size, suitable for installation in wall vents. Axial fans are characterised by a high flow rate and a relatively low pressure rise.
Produced in sizes: 40, 45, 50, 56, 63, 80.
Range of parameters: flow rate: 0.06 ÷ 3.2 m3/s, total pressure rise: 40 ÷ 1 300 Pa.

WOO – axial fans used to pump the medium in ventilation systems, as exhaust extraction fans and industrial process fans. Bespoke design and manufacture.
Range of parameters: flow rate: 5 ÷ 200 m3/s, total pressure rise: 200 ÷ 4 000 Pa.

WPDO – roof fans for ventilation of indoor spaces of various size, suitable for installation on roof vents. They are characterised by low noise emissions and can be additionally equipped with a flow silencer.
Produced in sizes: 20, 25, 31.5, 40, 63.
Range of parameters: flow rate: 0.15 ÷ 4 m3/s, total pressure rise: 80 ÷ 900 Pa.

WPFO, WP, WPOas – single inlet centrifugal fans. The high pressures they generate can be used as airflow fans in processes, as well as for exhaust gas recirculation or extraction.
Produced in sizes: 22.4, 25, 28, 31.5, 40, 50, 63, 71.
Range of parameters: flow rate: 0.6 ÷ 4.5 m3/s, total pressure rise: 1 600 ÷ 30 000 Pa.

KAP-1800 – high pressure centrifugal fans, with a wide range of uses. Manufactured in two different impeller versions: KAP-1800E and KAP-1800Ep.
Each version has two impeller wheels, which significantly extends the range of flow parameters.
Range of parameters: flow rate: 0.1 ÷ 0.9 m3/s, total pressure rise: 1 900 ÷ 8 500 Pa.

WTOP and WWOax T – fans for pneumatic transport (of sawdust, material scraps, farm produce, etc.). A wide range of uses in agriculture, timber industry, and textile industry. Range of parameters: flow rate: 0.1 ÷ 4.5 m3/s, total pressure rise: 200 ÷ 4 500 Pa.

WPNL – high pressure low-flow rate fans, used as sealing air fans, to supply air to gas burners, for dilution in denitrification systems, for exhaust gas recirculation and gas compression
Range of parameters: flow rate: 0.1 ÷ 5 m3/s, total pressure rise: 2 500 Pa ÷ 36 000 Pa.