Product  Feature

◆ 先进的叶轮

advanced  wheel

★ CRF风机叶轮采用CAD流场模拟技术优化设计的后倾离心叶轮，具备高效、低噪、稳定的运行性能。

Model CRF fans use the most up-to-date hydro-field simulating technology during the design process. The wheel is highly efficient ,produces minimal noise, and guarantees stable perfor-

Mance .

★ CRF每个叶轮均经过静态和动态平衡，平衡等级达到G2.5，确保库克的产品可以长期安全运行。

Every wheel is statically and dynamically balanced to the level of G2.5. This would help the cook fan running quietly after long time.

◆ 与气流隔绝的驱动机构

Drive out of air stream

驱动机构置于独立腔体内，与排风中的污染物不会接触。除普通排风外，适合排放粉尘、油烟等气体。

Standalone drive chamber ,no contact with contamination. Ideal for kitchen grease, dust exhaust.

◆ 外形设计专业

Professional Design

风机外形比例均匀、工艺精湛、设计流畅。

Design is well-proportioned, professional industrial products.

◆ 合理的结构

Reasonable Structure

全铝制结构，重量轻，适合轻钢结构厂房,有效减轻屋顶载荷。铝合金材质不易生锈，持久如新。高等级防爆风机，适合排放易燃、易爆的气体。

All aluminum structure, suitable for steel construction facility, effectively reduce roof load. Not easy to get rusted and can keep new for a long time. Explosive resistant exhaust.

◆ 齐全的配件：

Complete accessories

★ 驱动部分防护罩自带不锈钢锁扣固定，维修人员可以方便的进行日常维护。

Drive chamber top cap fixed by stainless steel quick release fasteners. The engineer call it “Quick Maintenance” design.

★ 风机配就地维修开关，维修人员可以方便可靠的切断电源，确保人身安全。

The service switch is to e installed inside the fan, the usage is only to make sure the power supply can be reliablely shut off ,and it is not supposed to start/stop the fan for daily operation.

★ 风机可配带铝制重力止回风阀，保持室内外空气封闭，防止冷风倒灌。

Back-draft damper：ensure the workshop keeps closed when the fan is not running.