D373W-手动蝶阀说明书.doc

手动硬密封蝶Manual Hard Sealed Butterfly Valve 使 用 说 明 书operating instruction 目 录 一、 用途和主要性能规范performance specifications 二、 型号说明与执行标准Model description and standards三、 结构特点及操作原理Structural features and operating principles 四、 主要零件材料aterials of main parts 五、 吊运、安装及保管winching, installation and 六、主要外形尺寸、连接尺寸The main dimensions sizes 七、 一般故障和排除方法alfunction and Troubleshooting 一、用途和性能规范performance specifications 1、用途 D373H蝶阀系列是本公司引进国外技术和本公司蝶阀制造经验开发的一种蝶阀。本阀是蜗轮蜗杆硬密封式蝶阀，利用执行装置进行操作实现开关阀门，其在管网系统中起到接通与切断和调节流量的作用。foreign technology and manufactured based on experience by our company. the butterfly valve is hard sealed and wafer end with worm and worm gear , operating the acuators to open or close valve,and it is used for connecting and cutting and regulating the flow of medium in the pipeline. 2、性能规范performance specifications 公称压力Nominal Pressure （M pa） 试验压力Ps Test pressure 工作温度 （℃）Service temperature 适用介质Applicable medium seal （Mpa） strength（Mpa） ≤350 硝酸类 Nitrate 二、执行标准Design and manufacture: API609 2）结构长度按标准或按协议执行。F 3）法兰连接尺寸按Flange end according to ASME B 16.5 4）检查与试验按。I三、 主要结构及操作原理The main structure and operating principles 结构structure 2、工作原理与特点Working Principle and Features 可拆卸式蝶板，更变于维修。Detachablemaintenance. 2双半轴设计，流线型蝶板增大过流面积，使流阻更小。Doubleaxle design, streamlined disc will increase the flow of medium, so the flow resistance will be smaller. 3高性能的本阀可配装涡轮、电动、气动等驱动装置保证各种场合的使用需要。 this kinds of high-performance valve can be equipped with , electric and pneumatic drivers, to ensure all kinds of conditions. 四、主要零部件材质 Materrial specification 阀体 body 阀板 disc 转轴 spindle 阀板密封圈 Disc seal ring 轴套 shaft sleeve 填料 packing A216 WCB SS304 A182 F410 不锈钢及 多种复合体 Stainless steel and a variety of complex whole SJ－1 ZcuZn38Mn2Pb2 PTFE 五．吊运安装及保管winching, installation and 1、吊运winching 1）运输或安装时,切不可撞击执行装置及阀门等。Transport or installation, must not impact the actuators and valves. 2）吊装时应轻起轻落,不得有强烈振动,以免损坏部。 Inot have a strong vibration when winching the valve, so as to avoid damaging