Practical information about ventilation perfect hatches

There is no good ventilation without the control of air-flows. Hatches and their operation play an important role in the dosage of fresh and exhaust air. Strict technical criteria are often set for the operation of hatches. Agratechniek develops and manufactures durable hatches, right through to perfection. Hatches and their frames, are always custom-made from timber or plastic. Various types of covers are also available, such as those that rotate inwards or outwards and those that are insulated and those that are not. Wooden hatches, insulated - Panels: meranti plating materials, with insulation materials in between - Insulation materials: polystyrene or polyurethane - Frames: hardwood or pine Plastic hatches, insulated - Panels: plating materials (Trespa) with insulation materials in between - Insulation materials: polystyrene or polyurethane - Frames: hardwood, pine or plastic - Materials advantage: plastic hatches are maintenance-free! Practical advantages of overhang for external hatches - Protection from entry of rain and dirt - Muffling sound - Low in maintenance - Increased insulation values possible - Hatches rotating inwards possible Hatch operation Single operation is applied for a mixing hatch. Features: - Simple construction - Reliability - Overhang desirable Double operation is required for the application of separate internal and external hatches. The external hatch is then insulated and rotates outwards. Triple operation occurs in situations in which both the internal hatches and the external hatches and an overpressure hatch are controlled using one motor reductor. Hatch operation, manual or automatic In the case of manual operation, a handle with right-angled transmission, shafts and gear racks. Characteristics: - Solid, simple, efficient In the case of automatic operation, a motor reductor with shafts and gear racks is responsible for opening and closing the inlet and outlet valves. Characteristics: - Electrically powered, select from 24V, 230V of 400V - Solid, self-locking transmission - Easy access of the motor reductor - Can be installed in limited space - Linear end-switching system, solid operating and protection switches - Maintenance-free shaft bearing and long operational life thanks to the application of a bronze ring that makes lubrication unnecessary - Option: potentiometer to report the positions of the hatches