Products
An overview of individual product lines of blowers and accessories manufactured by KUBÍČEK.


Blower units
KUBÍČEK blower units are designed with regard to high efficiency, easy operation and low operating costs. We currently produce 22 types of standard units with connection...
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Vacuum blower units
As with the standard version, there are 22 sizes of ROOTs blowers available for operation in vacuum mode up to -98 kPa rel.
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Gas blower units
KUBÍČEK gas blower units are designed for extraction, compression and transport of flammable, explosive and aggressive gases. They meet the requirements of EU Directive...
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Mobile applications
We also design units for special applications such as mobile truck units and special autonomous mobile exhaust stations. It is almost always a customer solution...
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Blowers in agriculture
Food-certified units and specially designed blowers with a unique pre-inlet suction solution, for milking lines, and other unique tailor-made solutions.
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Bare shaft blower unit
Bare shaft blower, or blower stages, are the heart of every unit. Based on our own development, we produce 22 sizes that offer an volume of 15 - 20,000 m3/h.
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Deflagration flame arresters
The deflagration flame arrester type FB series is intended for the protection of technological equipment used for storage, distribution, extraction, transport, compression...
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Heat exchanger AW
Based on experience with the design and manufacture of special blower units for various industrial applications, the company KUBÍČEK manufactures tubular heat exchangers...
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Pipe silencers
Pipe silencers can be used in cases where higher demands are placed on the soundproofing of the environment.
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Aeration membranes
KUBÍČEK VHS has been supplying the aeration membrane of its own production to the market for more than 25 years. We currently offer two basic versions of the hose...
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KASPER professional vices
High quality cast iron vices with a long tradition of production.
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Blower room ventilation calculation
A simple help for blower room ventilation design. It will help you verify the correctness of the designed fans for forced ventilation and the minimum size of the ventilation grilles for the supply of fresh air for your blowers.

Blower type | ||
Number of blowers in operation | ||
Suction volume flow Q1 | m3/h | |
Pipeline length in the machine room l | m | |
Pipe diameter behind the blower d | m | |
External suction | ||
Maximum required blower room temperature Ts max | °C | |
Ambient air temperature Ta | °C | |
Air temperature at the outlet of the blower T2 | °C | |
Installed power of electric motor P1 | kW | |
Blower shaft power P2 | kW | |
Electric motor efficiency E |
Resulting values
Engine power dissipation Pm | kW | Required amount of fan cooling air Qv | m3/h | ||
Power radiated by the blower Pd | kW | Required amount of air supplied to engine room with suction grille Qa | m3/h | ||
Power radiated by piping Po | kW | Engine room intake grille area S | m2 | ||
Power radiated by accessories Pp | kW | The length of the side of the engine room grille square | m | ||
Heating output Pv | kW |
Total heating power Pv total | kW | |
Total fan power Qv total | m3/h | |
The length of the side of the square of the common suction grid | m |
The calculation of the engine room ventilation is for information only
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