使用说明书-943H蝶阀-翻译概要
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Special for 3X135MW Coal-fired Power Plant in Sihanouk Cambodia 电动多层次金属硬密封蝶阀
Motor-Operated multi-tiered metal hard sealing butterfly valve
D943H
使
用
说
明
书
Operation Instruction
阀门集团有限公司
Valve Group Co.,Ltd
使用说明书
O p e r a t i o n I n s t r u c t i o n
§概述
Overview
该阀是我厂按最新标准设计，在吸收消化国内外先进技术的基础上，而研制成功的一种大口径蝶阀结构上做了改进，性能更加可靠，广泛用于介质为低、中、高压的水、泥沙水、海水等的泵站管路中，安装在水泵出口处，作截止、调节之用。It is a big caliber butterfly valve that designed according to newest standard upon digesting and assimilating advanced technology from home and foreign, which is improved in structure but with more reliable performance, is widely used to pump pipe with media of water, cement sand and sea water in low, middle and high pressure, installed to outlet of water pump, used to close and regulate flow.
电动法兰式三维偏心多层次金属硬密封蝶阀
Motor-operated Flange Type Three-dimensional Eccentric Multi-tiered Metal Hard Sealing Butterfly Valve
一、结构特点：
First: Constructional feature
1、三偏心结构
Three-dimensional eccentric structure
由于该阀采取了三偏心结构，从几何形状上使得阀座与蝶板密封圈在阀门整个开关过程中完全脱离，这一独特的偏心组合，既利用了凸轮效应，又完全消除了摩擦，从而实现了阀门在90°启闭行程中，阀座与蝶板上的多层弹性密封圈之间
无摩擦消除了因密封面的磨损而产生阀门泄露的可能，大大延长了阀门的使用寿命，阀门密封面上的比压可通过外力矩的增减进行作任意调整，使其密封更为可靠，绝不会出现过关现象。
For the valve adopts three-dimensional structure, completely release the valve seat from the dished end sealing ring in the entire switching course, the unique eccentric combination utilizes cam effect and completely eliminate the friction, so as to realize zero friction between valve seat and multi-tiered elastic sealing ring, eliminate the possibility of leakage caused by friction, greatly prolong the use life of valve. The specific pressure in the sealing face of valve could be regulated randomly through externally applied torque, make seal more credible, without phenomenon of pass.
2、多层次弹性金属密封圈
Multi-tiered elastic metal sealing ring
真空蝶阀利用安装在蝶板上的多层次弹性密封圈来实现真正的零泄漏。蝶板上的多层次弹性密封圈是由不锈钢片和优质石棉板一层一层相互叠加压制而成。它即具备金属密封副的硬度及较好的抗摩擦性能，又具有软密封副的弹性及较好的密封性能，当外力阀杆通过施加扭矩时，也使密封圈径向压缩和柔动，而密封圈与阀座接触面是“锥中锥“的结构，两个锥体均为斜锥体，密封圈与阀座之间的接触角产生轻微的“楔块效应”，使密封圈发生柔动和径向压缩。正是由于密封圈与阀座之间的均匀接触及密封圈的柔性使阀座周边产生均匀荷载，从而用最小的力矩实现最严密的切断，致使阀门达到零泄漏。
The vacuum butterfly valve adopts multi-tiered elastic sealing ring in the butterfly board to realize genuine zero leakage. The multi-tiered elastic sealing ring in the
butterfly board is overlapped with stainless steel plate and excellent asbestos board one by one. It equips hardness of metal sealing with better antifriction performance, but also has elasticity of soft seal with better sealing performance. When the valve rod exert torque, but also make seal ring compress and move vertically, the interface between seal ring and valve seat is “cone-shaped” structure, two cones are both oblique cones, the contacting corner will produce light wedge effect, make seal ring move and compress vertically. For the uniform contact between sealing ring and valve seat, and the softness of seal ring make valve seat produce homogeneous loading, so as to realize most stringent with minimum torque, reach zero leakage.
3、阀门阀轴底部密封结构
The hermetically-sealed construction in the bottom of valve and shaft
阀门阀轴底部密封采用金属缠绕平垫加优质橡胶“O”型圈双重密封结构，阀底端盖与阀体连接采用凹凸法兰式结构，密封垫为包边金属缠绕垫片，该垫即有较高强度，又有可靠密封性能，另外在自润滑轴承上部，阀杆与阀体之间设有一套“O”型圈密封装置，即有效地防止了阀门底部的外泄漏，又对自润滑轴承起到了防护作用。
It adopts metal winding gasket plus excellent rubber “O”ring double seal structure, applies concave-convex flange structure to connect bottom valve end cover and valve body, the gasket is metal winding, with high strength and reliable sealing performance. Besides, in the upper section of self-lubricant bearing, there is one “O”sealing arrangement between valve stem and body, effectively prevent external leakage in the bottom but also protect the self-lubricant bearing.
4、蝶板密封圈可以调节，这有利于装配与维修。
Butterfly board sealing ring could be regulated, is in favor of installing and maintenance.
5、通过择用合适的材料，使得阀门具有耐低（高）温，耐腐蚀的性能。
Make valve temperature resistance and anticorrosion through choosing proper material.
6、蝶板的流线形设计，使得流体阻力损失小，可谓是一种节能型产品。
The streamline design of butterfly board causes less loss of fluid resistance is an energy saving product.
7、由于独特的密封结构，使阀门操作灵活、省力、方便、可靠。
The unique hermetically-sealed construction makes valve operation flexible, save effort, convenient and reliable.
8、该产品即可关闭截断介质，也可以调节介质流量。
It could close the truncation media, but also regulate the media flow.
二、技术特征
Second: technical characteristic
1、型号说明Model
D 9 4 3 H – 10 Ni
material: Ni-NiCr cast iron
nominal pressore：10 Bar
seal material：alloy steel
structure：three-dimensional eccentric
connection manner：flange
drive manner：motor
product type：butterfly valve 2
3、基本参数Basic parameter
注：表中的技术参数适用于DN50-2000。
Note: the technical parameter is applied to DN50-2000 4、主要构件材料Material of primary member
5、结构简图
Padding
Lower gland
Valve seat
详细外形连接尺寸见阀门总装图。
The detail appearance connection dimension refers to general assembly drawing of valve.
三、安装、使用与保养注意事项
Third: Installation, application and maintenance attention
1．产品在出厂前都己经按有关标准（GB/T13927）的规定进行检验合格，执行装置调试完毕。为了保证产品的使用效果，请勿随意调整紧固件、定位装置等。
The products are tested to be qualified according to relevant GB/T13927 before leaving factory, completion of debugging. In order to ensure the utilize effect, please do not regulate the fastener and locating device.
2．阀门安装前应做如下工作
Please carry out following work before installing the valve
①要使阀体上的指示箭头与管道介质流向一致，切不可装反。
The indicating arrow in the valve body should be in same direction with media
flow.
②查验管道法兰是否与与阀门连接法兰一致，安装时要均匀拧紧螺母，法兰密封垫片对称效置。
Check the pipe flange is whether connected with valve connection flange, tighten the nut at installation, the flange gaskets should be placed symmetrically.
③认真核对使用工况与本产品的工作压力、工作温度、耐腐蚀性是否相附；
Check the service condition is whether accord with the working pressure, temperature and anticorrosion.
④检查阀门通道和启闭件是否附着污物，如果有的话应进行清理，清理时不
得损伤密封面；
Check the valve channel and switch are whether annexed with dirt, please clear up if any, do not damage the seal face while cleaning.
⑤检查阀门各部件是否有松动或损伤；
Check each part of valve is whether loosen or damage.
⑥该阀门单向密封、90°旋转，0°全关，90°全开，观察阀门的启闭位置是否
与此相附。并检查有无卡阻现象。
The valve is one-way sealed, 90o revolving, 0o fully close, and 90o fully open;
observe the switching position is whether matching. And then check if there is jamming phenomenon.
3．该阀门即可截断介质，也可调节介质流量
The valve could cut media but also regulate the flow of media.
4．手动操作时顺时针为关、逆时针为开，操作时注意观察位置指针或指示盘刻度；
Rotary clockwise to turn off and anticlockwise to turn on at manual operation, please observe the cursor position or indicating scale.
5．阀门在使用中遇到故障时应及时查明原因，及时排除，不得敲砸、强行启闭；
Find out the reason while the valve goes wrong, eliminate in time, no beating and forced start & stop.
6．安装后如管道要进行强度试验，应使阀门处于全开状态；
Take strength test on the pipe after installation, enable the valve on fully open status.
7．如果现场要对阀门进行检验应按GB13927-92或JB/T9092-99标准的规定进行；
Please perform the testing according to GB13927-92 or JB/T9092-99 standard.
8．如果阀门开启比较频繁应定期给执行机构加注润滑油脂；
If the valve is started frequently, please lubricate the actuator periodically.
9．有关电动、执行装置的情况请参阅相对装置制造商提供的使用说明书；
Please refer to the use instruction provided by manufacturer about the motor-driven and actuating unit.
10．阀门在搬运过程中要避免碰撞，以免损伤密封面或执行机构
Avoid crashing during the course of convey, as to damage the seal surface or actuator. 11．阀门长期存放时，应放于阴凉干燥处，蝶板处于开启5°~7°位置，并将两端封堵，然后加以覆盖，在没有包装箱的情况下阀门不得重叠放置。
If the valve is kept for long time, please place it to dry and cool location, keep butterfly board at open position of 5°~7°, and block up two terminals and cover them. The valve should not overlapped without packing container.
四、可能发生的故障和排除方法
The possible failure and elimination method