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ProductsThe company has two major brands, Shangfeng and Zhuanfeng, which are mainly engaged in the research, development, production and sales of various types of fans and other high-tech products
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EngineeringCreate value for customers and wealth for shareholders; Create opportunities for employees and benefits for society
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ServiceWe make progress in researching, meeting and guiding customers' needs. Meeting customer expectations allows us to prove our commitment, and exceeding customer expectations allows us to exceed our limitations.
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AboutShanghai stock was split and listed from Shenzhen main board listed company Yingfeng Environment (000967. SZ). Its main business is the research and development, design, production and sales of ventila
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JoinOur criteria for talent selection is to take morality as the leader, have both moral integrity and ability, identify with the college culture, cultivate talents through learning and competition, and provide every employee wit
Products
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- Commodity name: Multi-leaf smoke exhaust
- Commodity ID: 1060228250396876800
一、产品定义多叶排烟口一般安装在过道或防烟前室，平时常闭，发生火灾时烟感探头发出火警信号，控制中心输出阀门打开信号，阀门迅速打开，也可以手动迅速打开阀门进行排烟。多叶排烟口有排烟阀和铝合金风口组成，平时常闭(嵌墙安装)，阀门厚度为270mm。二、型号描述PYK-PF-(W+250)xH (卧式) PYK-PF-Wx(H+250) (立式)W-阀门公称宽度 H-阀门公称高度 250-执行机构安装空间举例说明:.PYK-PF-(400+250)x400表示具有手动打开、电控电磁铁打开和阀门开到位后的信号反馈功能。三、产品特点①泄漏量低，气密性能好;②防腐蚀性能强，使用寿命长;③阀门启闭灵活，位置反馈信号准确。四、性能参数①公称压力:环境温度下≤300pa;②适用介质:空气(烟气) ;③泄漏量: a.环境温度下，阀门叶片前后压差1000±15pa静压，单位面积的泄漏量≤700m3/(m2);
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外形尺寸
阀门规格尺寸
序号
B
W
320
400
500
630
800
1
200
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▲
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2
250
▲
▲
▲
▲
▲
3
320
▲
▲
▲
▲
▲
4
400
▲
▲
▲
▲
5
500
▲
▲
▲
6
630
▲
▲
7
800
▲ 注:可根据客户打要求制作(不能超过1250x800)
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