****美国PARKER微型比例阀，5001571

****美国PARKER微型比例阀，5001571
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• Mass Flow Control
Thermally compensated 2-way normally closed (NC) proportional valve designed to maintain accurate
and repeatable flow over a wide range of media. Ideal for medical
 and analytical applications that require precision control and flow up to 56 slpm.
比例阀的驱动装置是比例电磁铁
• Proven performance tested to 100 million life cycles
• RoHS compliant
Typical Application
既然是节流控制，就必然有能量损失，
system performance. Together with its ability to provide precise control over
varying temperatures and media types, the VSO® miniature proportional valve
is ideally suited for manufacturers of medical and analytical equipment.
Features
• Enables precise flow control for improved instrument accuracy
• Thermally compensated to maintain precise flow over a wide range of media
使用比例阀或伺服阀的目的就是：以电控方式实现对流量的节流控制
The VSO® miniature proportional valve provides enhanced flow control for
applications where precise control flow control is required up to 56 slpm.
• Computer automated calibration and serialization for performance traceability
• Cleaned for Oxygen and Analytical Service use
• Pressure & Flow Control
• Gas Chromatography
• Mass Spectrometry
• Ventilators
• O2
The VSO® miniature proportional valve provides precise flow control of gas in
proportion to input current. The valve can be controlled with either DC current
or pulse width modulation along with closed loop feedback to deliver optimal
Concentrators/Conservers
• Anaesthesia Delivery & Monitors
（当然经过结构上的改动也可实现压力控制等），

****美国PARKER微型比例阀，5001571