VELU VENTILATIETECHNIEK B.V.

These are the parts used in ventilation system.Used for urban building ventilation, household product ventilation and other products.

With the AIR Free Coniotomy application, the patient's airway is opened in as little as 22 seconds. Due to the obstruction of the upper respiratory tract, very serious life risks occur. The Air-Free Coniotomy Set is currently available in 2 sizes, Child and Adult. Contents of the Air Fre set 1 Trocar with Scalpel Fixed 1 Standard Adapter 1 Piece Artificial Respiration Apparatus 1 Piece Manual Aspiration Catheter 1 Piece Neck Fixation Tape It provides the opportunity to apply Coniotomy in a very short time (approximately 22 seconds). It provides risk-free and easy use.

The inner part of the chimney cowl is the so-called connector. It can be of various shapes, for example cylindrical or conical, and is used to lead flue gas from the chimney to the outside. The chimney cowl stub pipe should be properly adapted to the type of fuel used in the building and to the air flow in the fireplace. Chimney cowls can also be equipped with additional elements, such as rotating wind girders, which increase the efficiency of the chimney by ensuring adequate draft. There are also chimney cowls equipped with anti-bird nets that prevent birds from accessing the chimney, which protects against contamination and blockage of the duct.

Chimney cowls come in various shapes, sizes and materials, such as stainless steel, ceramics, concrete or plastic. They can be adapted to different types of fuels used in buildings, such as wood, coal, gas or heating oil. It consists of several elements. The first one is the base, which ensures stable attachment of the base on the top of the chimney. It can be in the shape of a cone, plate or other form enabling a safe connection to the fireplace. The main part of the cowl is the outlet section, which is responsible for exhausting exhaust gases outside the building. It can have different shapes such as cylindrical, conical or flat, depending on the requirements and design. This part is important for ensuring proper airflow and minimizing resistance to exhaust gases.