仪表卡套三通球阀

       QT91F QL91F仪表卡套三通球阀是以不锈钢材质整体锻打，聚四氟乙烯，进口尼龙，MTU为密封材料，密封性能好。适用压力为1.6MPa～50MPa的水、油、气及某些腐蚀性液体等介质。螺纹标准可按:G.NPT.BSPT.BSP.DIN259/2999等标准生产。QT91F QL91F仪表卡套三通球阀产品主要出口于亚洲、欧美等国家，已经广泛地被市场公认。

      QT91F QL91F仪表卡套三通球阀工作原理：QT91F QL91F仪表卡套三通球阀换向球阀分L型和T型。L型适用于介质流向的切换，能使相互垂直的两个通道连通。T型三通球阀适用于介质的分流、合流或流向切换，T型孔道可以使三个通道互相连通或使其中两个通道连通，内螺纹三通球阀一般采用两个阀座结构，亦可根据用户要求采用四阀座结构。

     QT91F QL91F仪表卡套三通球阀产品特点：

  1、结构紧凑、启闭迅速、流道畅通、流体阻力小。
  2、密封性能好：利用四面阀座材料聚四氟乙烯，进口尼龙，MTU弹性变形实现无泄漏密封。
  3、一阀多用：任一通口可用作入口而无泄漏，三通既可制成L型通口，也可制成T型通口。
  4、维修方便：在系统卸压后，无需拆下整个阀体就可进行检查和维修。
  5、可安装气动装置或电动装置

仪表卡套三通球阀产品概述

仪表卡套三通球阀是一种适用于仪表管路系统的三通式球阀，采用卡套连接方式，具有结构紧凑、密封稳定、操作便捷等特点，广泛应用于精密仪表管路的介质切换与控制。

仪表卡套三通球阀的核心部件为带通孔的球体，通过球体绕阀体中心线旋转90°实现不同通路的切换（如L型通路可实现两路介质的换向，T型通路可实现三路介质的汇流或分流），能精准控制仪表管路中流体的流向与通断。

仪表卡套三通球阀连接方式采用卡套式，无需焊接或螺纹紧固，只需将管道插入卡套并拧紧螺母即可完成密封，安装拆卸便捷，且能有效连接的密封性，尤其适合小口径（通常DN≤25）仪表管路。其阀体多采用不锈钢等耐腐蚀材质，适配水、气体、轻质油品等多种洁净介质，可在常温至中温环境下稳定工作。

仪表卡套三通球阀，该球阀操作力矩小，开关迅速，便于快速实现管路切换，且结构设计符合仪表管路的精密性要求，能减少流体阻力对仪表测量精度的影响，常用于石油化工、实验室、自动化控制系统等领域的仪表管路系统中。

Instrument compression fitting three-way ball valve is a three-way ball valve suitable for instrument pipeline systems. It adopts a compression fitting connection, featuring a compact structure, reliable sealing,  convenient operation,  is widely used in medium switching  control of precision instrument pipelines.

The core component of this ball valve is a sphere with a through hole. By rotating the sphere 90° around the center line of the valve body, it can switch between different paths (e.g., L-type path can realize the commutation of two mediums, while T-type path can realize the confluence  shunting of three mediums), enabling precise control of the flow direction  on-off of fluids in instrument pipelines.

It uses a compression fitting connection, which does  require welding  thread fastening. The pipeline can be sealed by inserting it into the compression fitting  tightening the nut, making installation  disassembly convenient while effectively ensuring the tightness of the connection. It is especially suitable for small-diameter (usually DN≤25) instrument pipelines. The valve body is mostly made of corrosion-resistant materials such as stainless steel, adaptable to various clean mediums like water, gas,  light oil,  can work stably in normal to medium temperature environments.

In addition, this ball valve has small operating torque  can be opened/closed quickly, facilitating rapid pipeline switching. Its structural design meets the precision requirements of instrument pipelines, reducing the impact of fluid resistance on instrument measurement accuracy. It is commonly used in instrument pipeline systems in petrochemical, laboratory,  automatic control systems, etc.

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