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Are available in a full range obtainable from the producer with regards to the accessories serving for assembly or adjusting operations. Depending on the type servo-motors are available from 2 Nm to 15 Nm of capacity for throttling valves with large intersections. The simplest variants possess only an open/close function, however it is possible to deliver types with the potential of analog control or with the option of utilizing the three extreme positions of the servo-motor. It is also possible[...]

Serve for joining duct ventilation installations with a bailing unit or roof ejector. Are adapted both for flat roofs as also for defined angles of decline to 45o. Roof lead-ins are joined with the use of steel flanges fixed on the element ends or with nipples, where flange base may also be additionally equipped with an EPDM gasket.[...]

Are adapted for mounting directly on roof bases with the use of steel flange or sleeve (muff) principle, where the bottom part of the bailing unit is directly mounted to the connector pipe on the roof base. It is possible to distinguish among the typical WD-C1, as well as the cylindrical WD-B and ejectors type WD-D with vertical air ejection.[...]

Are adapted for mounting directly on roof bases with the use of steel flange or sleeve (muff) principle, where the bottom part of the bailing unit is directly put on connector pipe of roof base. The open part of the bailing unit is equipped with a 12 x 12 mm steel mesh which makes it impossible to absorb large dirt from atmosphere air.[...]

Accessories for ducts comprise a wide range of elements helpful for ventilation system assembly. In the composition of accessories are packing elements - aluminum strips 50, 75 and 100 mm in thickness and wound on a roll of 50 m and temperature resistances from 80°C to 350°C, organo-silicon polymers, which fill the space between two elements jointed with nipples. The composition of accessories also includes the assembly system, which enables the suspending and coupling of ventilation elements.[...]