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碳钢法兰截止阀主要具有以下五个特点,下面将简单介绍一下:
1.结构比闸阀简单，制造与维修都较方便。
2.密封面不易磨损及擦伤，密封性好，启闭时阀瓣与阀体密封面之间无相对滑动，因而磨损与擦伤均不严重，密封性能好，使用寿命长。
3.启闭时，阀瓣行程小，因而截止阀高度比闸阀小，但结构长度比闸阀长。
4.启闭力矩大、启闭较费力，启闭时间校长。
5.流体阻力大，因阀体内介质通道较曲折，流体阻力大，动力消耗大。
螺纹（螺纹）法兰（SAE Hydraulic Flange）类似于滑动法兰，但孔的螺纹。其主要优点是它可以不焊接组装，在平凡的解释大气温度在低压服务的使用和极具爆炸性的地区，焊接创建一个危险。在滑动法兰具有较低的枢纽，因为管道进入单法兰焊接前。这是焊接的内部和外部提供 足够的强度，防止泄漏。滑动的法兰，都是无聊稍大的外径管道的匹配。他们是优于颈法兰的焊接，由于初始成本较低，许多用户，但最后的安装费用大概不会比 的，因为所增加的焊焊颈法兰少。
Carbon steel flange valve mainly has the following five characteristics, the following will be a brief introduction: 1. Structure than a simple valve, manufacture and maintenance are more convenient. 2. Sealing surface easy to wear and abrasion, sealing, opening and closing valve when the valve body sealing surface with no relative sliding between, so wear and scratches are not serious, good sealing performance and long service life. 3. Headstock, the valve flap travel is small, and therefore a high ratio of gate valves is small, but the structure than the gate length, long. 4. Headstock torque, open and close more strenuous, open and close time principals. 5. Fluid resistance, died of media channels more twists and turns the valve body, fluid resistance is big, big power consumption. Thread (thread) flange (SAE Hydraulic Flange) similar to the sliding flange, but the hole thread. Its main advantage is that it can not weld assembly, in the ordinary interpretation of atmospheric temperature in low service use and highly explosive areas, creating a dangerous welding. In the sliding flange has a low hub because the pipe into the single flange before welding. This is the welding of the internal and external to provide sufficient strength to prevent leakage. Sliding flange, are bored slightly larger diameter pipeline match. They are better than the welding neck flange, due to lower initial cost, many users, but probably not last more than the installation costs, because the increase in welding neck flange less.