Q61N对夹式高压焊接球阀它具有旋转90度的动作，旋塞体为球体，有圆形通孔或通道通过其轴线。球阀在管路中主要用来做切断、分配和改变介质的流动方向，它只需要用旋转90度的操作和很小的转动力矩就能关闭严密。球阀适宜做开关、切断阀使用，但近来的发展已将球阀设计成使它具有节流和控制流量之用，如V型球阀。

      Q61N对夹式高压焊接球阀有主体和附体通过高强度双头螺栓组合而成，该球阀分对焊和承插焊连接。Q61N对夹式高压焊接球阀本身结构紧凑，密封度好，结构简单，维修方便，密封面与球面常在闭合状态，不易被介质冲蚀，易于操作和维修，适用于水、溶剂、酸和天然气等一般工作介质，而且还适用于工作条件恶劣的介质，如氧气、过氧化氢、甲烷和乙烯等，在各行业得到广泛的应用。球阀阀体可以是整体的，也可以是组合式的。

      Q61N对夹式高压焊接球阀优点：

      1．流体阻力小，全通径的球阀基本没有流阻。

      2．结构简单、体积小、重量轻。

      3．紧密度好。它有两个密封面，而且目前球阀的密封面材料广泛使用各种塑料，密封性好，能实现完全密封。在真空系统中也已广泛使用。

      4．操作方便，开闭迅速，从全开到全关只要旋转90°，便于远距离的控制。

      5．维修方便，球阀结构简单，密封圈一般都是活动的，拆卸更换都比较方便。

      6．在全开或全闭时，球体和阀座的密封面与介质隔离，介质通过时，不会引起阀门密封面的侵蚀。

      7．适用范围广，通径从小到几毫米，大到几米，从高真空至高压力都可应用。

      8．由于球阀在启闭过程中有擦拭性，所以可用于带悬浮固体颗粒的介质中。

对夹式高压焊接球阀

对夹式高压焊接球阀是一种结构紧凑、适用于高压工况的阀门类型，其设计特点是阀体采用对夹式结构，通过螺栓将阀门两端的法兰与管道法兰夹紧固定，同时结合焊接密封方式确保高压工况下的介质密封性。

对夹式高压焊接球阀主要由球体、阀座、对夹式阀体、阀杆及密封组件等构成，工作原理基于球体的旋转实现介质的通断控制：当球体通道与管道轴线一致时，阀门全开；球体旋转90°后，通道与管道轴线垂直，阀门关闭，阀座与球体的紧密贴合了密封效果。

对夹式高压焊接球阀其核心优势包括：1. 结构紧凑，占用空间小，便于狭窄空间安装；2. 焊接密封设计增强了高压下的抗泄漏能力，适用于高压液体、气体等介质输送；3. 操作便捷，可配备手动、电动或气动驱动装置，启闭迅速；4. 阀体多采用高强度合金材料（如304、316不锈钢或碳钢），耐腐蚀性和耐高温性，适用温度范围通常为-29℃~425℃，公称压力可达Class 2500（约42MPa）以上。

对夹式高压焊接球阀在应用领域上，对夹式高压焊接球阀广泛用于石油化工、天然气输送、电力（如蒸汽管道）、冶金及高压液压系统等行业，尤其适用于高压、高洁净度或对泄漏要求严格的管道系统中。

Product Overview of Wafer-Type High-Pressure Welded Ball Valve The wafer-type high-pressure welded ball valve is a compact valve designed for high-pressure working conditions. Its structural feature lies in the wafer-type valve body, which is clamped fixed between the flanges of the pipeline via bolts, combined with a welded sealing method to ensure medium tightness under high pressure.

This type of valve mainly consists of components such as a ball, valve seat, wafer-type valve body, valve stem, sealing assemblies. Its working principle is based on the rotation of the ball to control the on-off of the medium: when the ball's channel is aligned with the pipeline axis, the valve is fully open; when the ball rotates 90°, the channel is perpendicular to the pipeline axis, the valve is closed, the tight fit between the valve seat the ball ensures sealing performance.

Its core advantages include: 1. Compact structure, small space occupation, easy installation in narrow spaces; 2. The welded sealing design enhances leakage resistance under high pressure, suitable for conveying high-pressure liquids, gases, other media; 3. Convenient operation, which can be equipped with manual, electric, pneumatic actuators for quick opening closing; 4. The valve body is mostly made of high-strength alloy materials (such as 304, 316 stainless steel carbon steel), with excellent corrosion resistance high-temperature resistance. The applicable temperature range is usually -29℃~425℃, the nominal pressure can reach Class 2500 (about 42MPa) higher.

In terms of application fields, wafer-type high-pressure welded ball valves are widely used in industries such as petrochemicals, natural gas transmission, power generation (e.g., steam pipelines), metallurgy, high-pressure hydraulic systems. They are particularly suitable for pipeline systems with high pressure, high cleanliness requirements, strict leakage control.