标准光阀法兰蝶阀和两种蝶阀有什么区别？这两种蝶阀的应用范围非常广泛。刚接触这个行业的朋友可能会有这个问题。让我们给你一个全面的分析！沪工阀门代理告诉你首先，蝶阀中的法兰和对夹有两种连接方式。沪工阀门代理就价格而言，夹式便宜，价格大约是法兰的三分之二。选择进口阀门时，尽量使用夹式，价格便宜，重量轻。

What is the difference between standard light valve flange butterfly valve and two types of butterfly valves? These two types of butterfly valves have a very wide range of applications. Friends who are new to this industry may have this problem. Let us provide you with a comprehensive analysis! The Shanghai valve agent will tell you that there are two connection methods for flanges and clamps in butterfly valves. In terms of price, the clamp type valve agent is cheap, with a price about two-thirds that of the flange. When choosing imported valves, try to use clamp type valves, which are inexpensive and lightweight.

夹紧式阀门螺栓长度较长，对施工精度要求较高，若两侧法兰不对，螺栓剪切力较大，阀门容易泄漏。夹紧式阀门螺栓一般较长。沪工阀门代理告诉你在高温条件下，螺栓膨胀可能导致泄漏，因此在高温条件下不适合大直径管道。此外，夹紧蝶阀不能用于管道末端和下游需要拆卸的场合，因为当下游法兰被拆卸时，夹紧阀会脱落。在这种情况下，必须在另一个较短的部分进行拆卸。法兰蝶阀没有上述问题，但成本相对较高

The bolt length of clamped valves is relatively long and requires high construction accuracy. If the flanges on both sides are not correct, the bolt shear force will be large, and the valve is prone to leakage. Clamping valve bolts are generally longer. The Shanghai valve agent tells you that under high temperature conditions, bolt expansion may cause leakage, so it is not suitable for large-diameter pipelines under high temperature conditions. In addition, clamping butterfly valves cannot be used at the end of pipelines and downstream where disassembly is required, as the clamping valve will come off when the downstream flange is disassembled. In this case, it is necessary to disassemble in another shorter section. The flange butterfly valve does not have the above-mentioned problems, but the cost is relatively high

夹紧蝶阀阀体两端没有法兰，只有几个导向螺栓孔。阀门通过一组螺栓螺母与端部法兰连接。沪工阀门代理告诉你相比之下，拆卸更方便，阀门成本更低，但缺点是密封面有问题，必须拆卸两个密封面。法兰式蝶阀体两端有法兰，与管法兰相连。密封比较可靠，但是法兰蝶阀的成本比较高。当法兰蝶阀处于完全打开位置时，蝶板的厚度是介质通过阀体阻力。因此，通过阀门产生的压降非常小，因此具有良好的流量控制特性。

There are no flanges at both ends of the clamped butterfly valve body, only a few guide bolt holes. The valve is connected to the end flange through a set of bolts and nuts. The Shanghai valve agent tells you that compared to others, disassembly is more convenient and the cost of the valve is lower. However, the disadvantage is that there is a problem with the sealing surface, and two sealing surfaces must be disassembled. The flange type butterfly valve body has flanges at both ends, which are connected to the pipe flange. The sealing is relatively reliable, but the cost of flange butterfly valves is relatively high. When the flange butterfly valve is in the fully open position, the thickness of the butterfly plate is the resistance of the medium passing through the valve body. Therefore, the pressure drop generated by the valve is very small, thus having good flow control characteristics.

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The above exciting content comes from: Shanghai Lianggong Valve Shandong Sales Office. For more exciting content, please click on our website to view more: http://www.jnlgvf.com