Q11F仪表内螺纹球阀它具有旋转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。

        Q11F仪表内螺纹球阀的主体和附件都是锻造后再精加工。螺纹规格有G ZG NPT等。硬密封耐压42MPa,耐温630℃，软密封可以根据用户需要做成耐温80℃ 150℃和250℃，耐压可以到200MPa。Q11F仪表内螺纹球阀本身结构紧凑，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。

        Q11F仪表内螺纹球阀优点：

        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。

仪表内螺纹球阀产品概述

仪表内螺纹球阀是一种通过旋转球体实现介质通断的阀门，常用于仪表管路系统中，用于截断或接通管路中的介质。

仪表内螺纹球阀- 结构形式：通常有整体式（一片式）、两段式及三段式，阀体铸造工艺前卫，结构合理、造型美观 。

仪表内螺纹球阀- 连接方式：采用内螺纹连接，可与带有外螺纹的管道直接连接，适用于较小口径管道，安装和拆卸方便。

仪表内螺纹球阀- 密封结构：阀座采用弹性密封结构，密封稳定，启闭轻松。阀杆一般为有倒密封的下装式结构，阀腔异常升压时，阀杆不会被冲出 。

仪表内螺纹球阀- 驱动方式：主要有手动、电动、气动等，部分还可设置90°开关定位机构，并可加锁防止误操作 。

仪表内螺纹球阀- 性能特点：流体阻力小，结构简单，体积小、重量轻。操作方便，开闭迅速，维修便捷。适用范围广，可用于PN1.0~4.0MPa，工作温度-29~180℃（密封圈为增强聚四氟乙烯）或-29~300℃（密封圈为对位聚苯）的管路，选用不同材质，可适用于水、蒸汽、油品、硝酸、醋酸等多种介质 。

仪表内螺纹球阀- 应用领域：广泛应用于石油、化工、轻工、制药、造纸等工业过程自动控制系统，也可用于空调系统、消防系统、水处理系统等对安装尺寸和体积有较大限制的工艺场合。

 The instrument internal - thread ball valve is a kind of valve that realizes the on - off of the medium by rotating the ball, which is often used in the instrument pipeline system to cut off connect the medium in the pipeline. The product overview is as follows:

The instrument internal - thread ball valve- Structural form: Usually, there are integral type (one - piece), two - piece type three - piece type. The valve body is cast with advanced technology, featuring a reasonable structure a beautiful appearance .

The instrument internal - thread ball valve- Connection mode: It adopts internal - thread connection, which can be directly connected to the pipeline with external threads, is suitable for small - diameter pipelines, with convenient installation disassembly.

The instrument internal - thread ball valve- Sealing structure: The valve seat adopts an elastic sealing structure, with reliable sealing easy opening closing. The valve stem is generally of a bottom - mounted structure with inverted sealing, so that the valve stem will be washed out when the pressure in the valve cavity rises abnormally .

The instrument internal - thread ball valve- Driving mode: The main driving modes include manual, electric pneumatic. Some can also be equipped with a 90 ° switch positioning mechanism, can be locked to prevent misoperation .

The instrument internal - thread ball valve- Performance characteristics: It has small fluid resistance, a simple structure, small volume light weight. It is convenient to operate, quick to open close, easy to maintain. It has a wide range of applications, can be used in pipelines with PN1.0 - 4.0MPa a working temperature of - 29 - 180℃ (the sealing ring is reinforced polytetrafluoroethylene) - 29 - 300℃ (the sealing ring is para - polystyrene). By selecting different materials, it can be suitable for various media such as water, steam, oil, nitric acid acetic acid .

The instrument internal - thread ball valve- Application fields: It is widely used in the automatic control systems of industrial processes such as petroleum, chemical industry, light industry, pharmaceuticals paper - making, can also be used in process occasions with great restrictions on installation size volume, such as air - conditioning systems, fire - fighting systems water - treatment systems.