High Flow Piezoelectric Air Valve

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• White Paper High-Performance Transformer Oil Pumps: Worth the Investment Plant Services
  ultrasonic sensors are mounted in both thrust and radial bearings at strategic points, on new pumps or on remanufactured pumps from various manufacturers. A permanently mounted piezoelectric transducer emits a high-frequency sound wave, and precisely measures the echo time to determine the distance...
• Fundamentals Of Ultrasonic plastic welding
  . These parts connect together at a specific torque value and function as a resonating or vibrating tool. The converter is the vibration source. Inside the converter are piezoelectric ceramic disks sandwiched around metal plates. They are clamped under high force to a carefully designed titanium cylinder...
• Beta testing an in-line monitor for moisture measurement in inert gas lines
  was described in an earlier issue of Designed to measure moisture levels in ultra-high-purity (UHP) nitrogen and argon gases, the monitor uses a piezoelectric quartz crystal microbalance (QCM) sensor. The quartz crystal is coated with a thin film of barium metal, with which moisture reacts irreversibly...
• Ins and Outs of I/P Transducers (.pdf)
  500, 550, and 590. 1. Coil and Magnet. Flapper. Nozzle. Orifice Screw. Start-up Spring. Diaphragm Assembly. Relief Valve. Supply. Valve. Figure 1 ­ ControlAir Model 550. Another common flapper design incorporates a ceramic piezo-electric actuator. These. are commonly utilized in combination...
• Products in Action
  . The analysis sequencing is user programmed and occurs at a rate of every two seconds per analysis. Sample air is drawn continuously at 75 m/min using a high-reliability rotary carbon vane pump. Air is drawn from the sampling tubes into an acoustic analyzer, which can resolve hydrogen/air mixtures...
• MICRO: Products
  Etec Systems, an Applied Materials company The eXara mask pattern generation system for 100-nm mask production and 70-nm mask development is based on MEBES X platform architecture. The system's high-resolution 50-kV electron optics and precise raster-based writing strategy provide good linewidth...
• MICRO:Product Technology News (June '99)
  in., and a selection of fittings in many sizes. Components are made of high-purity Solef PVDF resin, and all valve bodies and fittings are rinsed in a six-basin automated hot-DI system. Specially angled zero-dead-leg valves are available in 35 size configurations ranging from 1/2 * 1/2 in. to 4 * 2...
• MICRO:Product Technology News (Feb 99)
  tools. Information: 949/380-7944. Bray Valve & Controls has introduced larger chemical valves to its 22/23 line of high-performance PTFE butterfly valves. The new valves measure 14 24 in. diam and are available in both wafer and lug bodies. The bidirectional pressure rating for the new sizes is 150...
• INDUSTRY NEWS
  to begin production in 1998. The Austin, TX based supplier makes both metal-sealed and elastomer-sealed MFCs. Aera's product line includes thermal, solenoid, piezoelectric, and diaphragm-sealed valve types. Sipex likes Concept tool Sipex of Billerica, MA, has purchased a polysilicon deposition system...
• Smart and small
  the high-frequency movement of the piezoelectric device, these valves were driven at up to 1 kHz by lower-power piezos. One of the prototype hybrid solid-fluid actuators CSA produced had a peak output power of 42 W at about 15 Hz. Magnets in Motion. More recently, hybrid actuators using magnetostrictive materials...

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