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  • Wireless Switches Offer Unlimited Benefits (.pdf)
    Global limit switches are an essential element of industrial controls, monitoring position and presence of doors, booms, valves, and the like. Conventional wired switches, however, present installation and maintenance challenges, especially in installations that are subject to harsh environments
  • Traditional solenoid valves are simple to install but may not be the right solution for long term reliability or high flow applications
    Replacing a solenoid valve with a DynaMatic electric ball valve...Why and how?. Solenoid valves are typically easy to install and are used in applications utilizing pressure, flow, temperature and level switches. They can also be controlled by PLC units that only output a single control signal
  • How to select an Actuator (part. 2): Pneumatic Actuator
    To ensure automated valve performance in today's sophisticated process control systems it is essential to develop a complete specification for each of the elements in the control package. Though the valve actuator is the basic element in a valve automation package, pilot valves, limit switches
  • Tales from the Front: Applying Fieldbus at Genzyme, Part 1
    , which are used primarily for sanitary diaphragm valves and quarter-turn ball valves. AS-i was also used for discrete input devices, such as valve limit switches and proximity switches found on process transfer panels. AS-i may have simplified installation, but at the time, it had limits: three years ago
  • How to select an Actuator (part. 3): Electric Actuator
    Electric rotary actuators are basically geared motors with a variety of electrical accessories (limit switches, heater, circuit boards) that may be specified to meet the exact valve automation requirements of a process control system. As an electrical device it is housed in an enclosure designed
  • MICRO:Product Technology News (Jan '2000)
    have a body made of Type 304 stainless steel, ensuring a low leak rate. Their formed bellows resists particle damage. The valves can be operated manually, pneumatically, and electropneumatically. A limit-switch option and a choice of flanging, seals, and solenoid voltages support customization
  • Frequency Control Air Compressor Solution (.pdf)
    electricity. All of these request sequential operation of corresponding switches, valves and control transducers. When operating, check air compressor conditions frequently. In case of temperature, pressure or motor rated current exceeding limits, stop running immediately. If pressure is high
  • Fieldbus Part 2
    controller cabinets in safe-area spaces, and only allow I/O subsystems in process spaces. IS remote I/O was installed in the process space to interface to low-power solenoid operators for valve actuators, valve-position limit switches, rupture-disk indicators and transfer-panel proximity switches. The remote

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