1. It is usually used as supply air vent and fresh air vent of fan coil and central air conditioning system, as well as return air vent.
2. As the supply air vent and fresh air vent, it can be equipped with HY-KJT rectangle air control damper (HY-KJT-S hand-operated with handle, HY-KJT-Z hand-operated with axis, HY-KJT-D electric controlled.
3. As the return air vent, it is derived from HY-KSB double deflections air grilles. There just add an inner frame to make the blade parts into openable door structure. The openable door is opened when the bolt is unlock and it is easy to install, clean filter net, maintain. It can be equipped with HY-KFG air vent filter (HY-KFG-L aluminum net air vent filter, HY-KFG-N nylon net air vent filter, non-woven fabrics coarse filter cotton).
4. It is usually used in the pharmaceutical factory, hospital, clean room, hotel, office, shopping mall, etc.
5. The movable blade can be adjusted within angle range 0~180°. It can form different diffuse angle and air supply distance by adjusting different blade angle combinations.
6. The frame has two types of narrow and wide. In the diagram, the size in the bracket is wide type. Please definitely tell us the type of narrow or wide when you order. Otherwise, it should be manufactured according to the narrow type.
7. The front blade can be parallel with the long side, or be vertical with the long side. Please definitely tell us which kind you need. Otherwise, it should be manufactured according to the parallel with the long side.
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