HAL系列（固定／门铰型回风口）
百叶回风口常为铝型材料，表面经阳极氧化处理，挺直光洁，适用于制冷、供暖、通风工程，特别是常用洗漱间、卫生间的回风，风口后部可以配过滤网，表面也可按用户要求进行烤漆或静电喷塑，颜色按用户要求。风口连接方式：固定或可开形
材质：铝合金／不锈钢／碳钢
叶片形式：细叶形／宽边形
可选附件：尼龙（铝合金）过滤网
标记示例：HAL-1（型号）-------200×600（规格尺寸）
HAL-2（型号）-------200×600（规格尺寸）
注：以上规格尺寸如无特殊标注，一般默认为风口的颈部尺寸。
HAL series (fixed / hinged return outlet)
The shutter return outlet usually made of aluminum materials, The surface is anodized, straight and bright, applies to refrigeration, heating, ventilation works, particularly used for air return in washing room or toilet, a filter can be fixed on the rear outlet. The surface can be stoving varnish or electrostatic spray, the color can be controled to meet the customers’ requirements.
Connection Methods: fixed or can be opened
Materials: aluminum alloy / stainless steel / carbon steel
Shape of Blades: thin leaf / broadside
Optional Accessories: nylon (aluminum alloy) filter
Tag example: HAL-1 (Model )------- 200 × 600 (spec./ dimensions)
HAL-2 (Model )------- 200 × 600 (spec./ dimensions)
Note: The specifications above shall normally be considered as the neck size if no special marks.
