产品特点
	Product  Feature
	◆ 先进的叶片
	advanced  blades
	风机采用先进的前掠型叶片,叶片光滑流畅成流线型,渐进式的切入空气,有效减少气流紊乱。
	Optimized Forward sweeping blades,The blade surface is fluent and streamline ,cut into air progressively
	◆ 电机免维护
	Motor lubrication free
	低噪音的外转子电机免润滑,整机免维护。直联驱动,不需更换皮带和轴承。电机安装于气流之内,排风的同时自动对电机进行散热,有效延长电机的使用寿命。
	Maintenance free motor used can save work load and cost。No change of belt and bearing because of direct drive。Motor is inside of air stream:effective cooling extend motor life
	◆ 合理的结构
	Reasonable Structure
	外形美观,方形外壳设计,方便施工方在砖混结构或轻钢结构墙面上预留方洞,方便风机到货后的安装。
	Elegant equipment,Square shape,easy installation
	◆ 齐全的配件:
	Complete accessories
	A、 风机出厂时自带45°防雨罩(送风时自带90°防雨罩),有效防止室外雨水溅入室内。
	Weatherhood:45° for exhaust and 90° for supply to prevent watar
	B、 风机出厂时自带防鸟防虫网,防止杂物及昆虫进入室内。
	Insect screen:to prevent insects flying into workshop at night
	C、  室内侧自带安全防护网,保证室内工作人员的人身安全。
	Safe guard shall be installed in the room to protect staff’s personal security
	D、  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
	◆ 低噪音运行
	Low noise
	噪声低、风量大、运行可靠、性能参数范围广,风量最高可达27000 m3/h。
	Course trustiness,low noise is kept。Volume:27000 m3/h