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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
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- Appearance and size
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- Commodity name: Smoke exhaust valve
- Commodity ID: 1060228124894912512
一、产品定义安装在机械烟系统各支管端部( 烟气吸入口)处，平时呈关闭状态并满足漏风量要求，火灾或需要排烟是手动和电动打开，起排烟作用的阀门。带有装饰口或进行过装饰处理的阀门称为排烟口。排烟阀一版由阀体、叶片、执行机构等部件组成。二、型号描述FHF①_②_Ax B A-阀门公称宽度 B-阀门公称高度①--产品控制方式:W:温感器控制自动关闭S:手动控制关闭DC:电控电磁铁关闭DJ:电控电机关闭DQ:电控气动机构关闭②--产品功能代号:F:具有风量调节功能Y:具有远距离复位功能K:具有阀门开、关到位后的位置信号反馈功能举例说明:PYF-SDC-K 400x400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;④耐火完整性好。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
矩形
圆形
阀门规格尺寸
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B
A
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630
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1
160
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2
200
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3
250
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4
320
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5
400
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6
500
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7
630
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8
800
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9
1000
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10
1250
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注:可根据客户打要求制作(不能超过1250x800)组合型阀门是获得消防3C证的阀门组合,组合的阀门满足通风面积(配套要求的接口) ;组合型阀门的厚度增加至310mm，并且在阀门四周要预留300mm的检修空间;组合型阀门下单时必须告知阀门的安装方式(管装、墙砖或其他)
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