双城风机 LHDF低位上排风螺旋桨屋顶通风机

LHDF

Low Profile Filtered Hooded Propeller Roof Ventilator, Direct Drive

Application

螺旋桨屋顶通风机费效比高，适用于商用建筑物的通风和许多工业建筑物的排风。根据各类使用要求，可选择皮带驱动型和直接驱动型，铸铝可调叶片或钢制固定叶片。

The LHDF Low Profile Filtered Hooded Propeller Roof Ventilator provides cost effective, general purpose ventilation of commercial buildings, with a pleasing low profile design that minimizes extension above the roof line. A wide array of adjustable pitch, cast aluminum propellers are available to meet specific performances and application requirements. Twin City Fan & Blower also offers a complete line of options and accessories such as roof curbs, backdraft dampers, disconnect switches and special coatings.

Sizes (wheel diameters)
叶轮直径：533 mm to 1,219 mm

Performance
风量：51,649 m³/hour
静压：248 Pa

AMCA认证的声强和空气动力性能认证