型球阀长期不需修理，使用寿命长，为您提供了真正的高效率进行控制工艺状况的一种阀门。
V-ball valve repair without a long, long life, to provide you with the real state of efficiency of a process control valve.
大口径阀门采用系列aw型气动执行器拔叉式传动，结构合理，输出扭矩大，有双作用式和单作用式。
AW series of large diameter valves using pneumatic actuator fork-type transmission, reasonable structure, output torque, a double-acting and single acting.
型阀采用双轴承结构，机械稳定性高，启动扭矩小，保证了阀门具有极好的灵敏度和感应速度。
V-valve dual-bearing structure, mechanical stability, high starting torque is small, to ensure the valve sensor with excellent sensitivity and speed.
首选应用是轴承结构，包括滚珠和轴套。还有，它也能用来做刀具、针形阀、球型止回阀、阀门基座、泵零件、球头螺栓、轴套、抗磨损纺织机械。
In addition, it should be considered for cutlery, needle valves, ball check valves, valve seats, pump parts, ball studs, bushings, and wear-resistant textile components.
套管的弹性运动可以碎裂淤积在阀门内的任何沉淀物，这使得A型夹管阀成为一款可靠的低维护的阀门。
The flexing action of the sleeve breaks up any sediment or build-up in the valve, which makes the Type a a reliable low-maintenance valve.
以A型夹管阀为基础改进而来，这种锚链管道阀门坚固耐用，使用寿命长，并配置内置气动执行器的气动夹管阀。
Modeled after the original Type A pinch valve, the valve is a rugged, long-lasting, air-operated pinch valve with a built-in actuator.
同扳手型设计相比，这种阀门可以在更高的压力下使用更小的转矩有效地密封。
The valve effectively seals at higher pressures with less closing torque than the wrench-operated design.
根据阀门的控制方式，可分为伺服型执行机构和开关型执行机构。
According to valve's control mode, it is divided into servo actuator and switch actuator.
评论：这种阀门典型用于在非超高纯度应用中代替扳手型阀门。
Comments: This valve is typically used to replace the wrench-operated valve in non-ultrahigh integrity applications.
运转原理：膜板阀是一种手轮型阀门，它采用两个由非穿孔横膈膜隔开的阀杆。这些横膈膜防止了沿着阀杆的泄漏。
Operating Principle: The diaphragm valve is a handwheel-operated valve, utilizing a two-piece stem separated by non perforated diaphragms. These diaphragms prevent leakage along the valve stem .
在所有美国尼必可铸铁阀门上可以配置组合型旁路，并且按照MSS旁路和排泄连接标准SP - 45的要求进行安装。
The built up type By-Pass is available on all NIBCO iron valves and is attached in accordance with MSS By-Pass and Drain Connection Standard SP-45.
阀门的优点：该阀门可以用于许多使用扳手型阀门的应用中。
Valve Advantages: the valve can be used in many of the same services as the wrench-operated valve.
这些阀门属平衡型或具有双阀座结构。
执行机构采用气动薄膜或气缸执行机构的，随阀提供配套隔爆型电？气阀门定位器。
For the actuators with pneumatic diaphragms or air cylinders the matching flame-proof type electric-gas valve positioner shall be provided together with the valve.
阀门制造企业的生产特点是多品种、中小批量为主的离散型制造。
The productive characteristics of valve manufacturing enterprise are discrete with varieties of products, mid batch production.
型夹管阀也是所有执行机构驱动阀门中成本最低的选项，这有助于最大限度降低成本。
The Type a is also the lowest cost actuated valve available, which helps the bottom line.
阀门的密封需通过“O”型密封圈实现，密封圈最大压缩量不允许超过25%。
Valve should be tighten with o ring rubber with Max. 25% compression.
本文介绍了一种基于HART协议的低功能智能型电气阀门定位器的设计方案。
In this article, the design scheme of a HART protocol based intelligent electric-pneumatic valve positioner is introduced.
增加数控阀门，水型更是千变万化，既能跑动又是摇动。
If adding numeric-controlled valves, water designs can change in thousand of ways in both running and swinging styles.
推荐的开启程序：扳手型阀门流量非常大。
Recommended Opening Procedure: The wrench-operated valve has a very large flow capacity.
JLD型系列液压阀门测试台是集机电、液压、试压液体介质贮存循环使用于一体，具有功能完善、性能稳定、自动化程度高等特点。
JLD series hydraulic valve testing bench is a set of mechanical, hydraulic, pressure test liquid media storage cycle used in one, with perfect function, stable performance, high degree of automation.
GDC - J型电磁高真空挡板阀是以电磁力为动力直接带动阀板动作，使阀门开启或关闭。
GDC-JQelectro high vacuum butterfly valve USES electromagnetic force to directly drive valve disc working. thus to make valve opened ro closed.
GD Q型气动高真空挡板阀是通过电磁换向阀改变气路方向，控制执行气缸驱动阀门作启闭运动。
GDQ pneumatic high vacuum flapper valve USES solenoid directional valve to change the direction of air passage, and controls the actuating cylinder to drive the valve opened and closed.
本文介绍了一种采用HART协议的智能型电气阀门定位器的设计方案。
In this article, the design scheme of an intelligent electric-pneumatic valve positioner adopting the HART protocol is introduced.
本文介绍了一种采用HART协议的智能型电气阀门定位器的设计方案。
In this article, the design scheme of an intelligent electric-pneumatic valve positioner adopting the HART protocol is introduced.
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