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Items 1 to 10 of 108 total

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  • 15.02.18 Posted in Valves Quick Reference Guides By Margie Moschetti
    • Mount the valve in a vertical position so that the valve body is self-draining.  If a body drain port is provided, make sure it is open when required by the ASME Code.  Do not plug any bonnet vent openings.  The inlet piping should be as short as possible, with no elbows, and equal to or greater than the size of the pressure relief valve inlet connection.  This will help to limit the inlet pressure drop to 3% or less when the valve is relieving.

     

    • When discharge piping is connected to the valve outlet, make sure it is self-draining when a body drain port is not used.  The valve should not be connected to any discharge pipe that contains pressure before the valve opens or to any pipe where the pressure build-up is greater than 10% of the set pressure when the valve is open and relieving.

     

    • Discharge piping, other than a short tailpipe, must be supported by something other than the valve.  For steam service, a drip pan elbow or flexible connection between the valve and the pipe should be used to prevent excessive pipe stress, due to thermal expansion, from being imposed on the valve body.

     

    • For threaded valves, apply a small amount of pipe thread sealing compound to external threads only.  DO NOT put any sealing compound on the first thread or any internal threads.  To do so may cause the sealing compound to enter the valve and cause seat leakage.  Use wrench flats provided to tighten the valve to the connecting pipe.  Do not use the valve body or bonnet and do not over-tighten.  To do so may cause valve leakage.  

     

    • For flanged valves, use new gaskets and tighten the mounting studs evenly.

    Contact us to take advantage of our resetting and repair services!

     

    INFO@CONTROL-SPECIALTIES.COM

  • 21.01.18 Posted in Videos & Power Points By Margie Moschetti

  • 09.01.18 Posted in Videos & Power Points By Margie Moschetti
    Understanding Water Hammer at Pump Shut-down and Start-upRead More
  • 15.11.17 Posted in Grundfos Pumps By Margie Moschetti
    Grundfos Service LiteratureRead More
  • 15.11.17 Posted in Grundfos Pumps By Margie Moschetti
    Grundfos CR, CRN 32, 45, 64, 90 (Dismantling & Reassembly)Read More
  • 23.10.17 Posted in Valves By Margie Moschetti
    A solenoid valve is an efficient means of automatic flow control. An ASCO solenoid valve will perform to a high standard, however, if a problem does arise, our latest article offers our guide to troubleshooting ASCO solenoid valves.Read More
  • 13.09.17 Posted in Steam Systems By Margie Moschetti

  • 06.09.17 Posted in Quick Reference Guides By Margie Moschetti

    12 WAYS TO USE A SMARTPHONE AS A MAINTENANCE TOOL

    The cellphone has evolved from just a gadget used to make calls and check emails into a device that can transform the way maintenance is performed.  Many plants are already using computerized maintenance management systems (CMMS) software on their phones or tablets to allow technicians the opportunity to update work orders as they perform each task, eliminating the need to take notes and re-enter them later.

    With all of the new mobile technologies, the smartphone could become the new wrench in the toolbox of the future.  There are many apps and features available to transform your phone into a must-have gadget.  

    The following is a list of 12 features and apps that we have brainstormed along with one of the major CMMS software providers.  Applications may not be precise, but perhaps will provide ideas of what you can research and incorporate into your “tool box”.    

     

    CAMERA

    Use the camera function to upload images and videos.  Many times, a repair or application can be difficult to describe so images and videos are a great way to document repairs.  Send that video to others and receive immediate response on the part, repair, etc.  If the video and/or picture is downloaded, it can be reviewed at a later date when that issue arises again.  

     

    VOICE RECOGNITION

    Many of the modern smartphones come with built-in voice recognition software such as Apple’s SIRI.  Rather than using a small keyboard, just dictate the repair into the built-in microphone and include it on the work order.  

     

    BARCODE AND QR CODE SCANNING

    Search your files for all of the vendors and/or service companies that have created their own QR code for immediate response.  This can save time and eliminate the tedious task of thumbing through long lists of items.  Some manufacturing companies have created bar codes for various pieces of equipment for inventorying purposes or log an issue against a particular asset.  Take time to load Control Specialties’ QR Code into your iPhone go directly to our web site for technical information and products.  

     

    RFID TAGS AND NEAR FIELD COMMUNICATIONS

    There are some smartphones that are enabled with (NFC) near field communications that can be used to identify equipment through RFID tags.  Here again, RFID tags can placed on equipment for numerous applications such proof of presence for safety related assignments, etc.

     

    MAPS AND GPS

    Many smartphones come equipped with maps and GPS technology.  Technicians can use satellites to pinpoint coordinates of their current location enabling them to locate assets without searching through reams of outdated maps.

     

    FLASHLIGHT

    The majority of smartphones come equipped with a flashlight and if not, there are several flashlight apps available.  What ordinary flashlight provides a camera, voice recognition, etc. in one device!

     

    UNIT MEASUREMENT CONVERTER

    There are over 58,000 individual unit conversions that are immediately available and many are free.  Metric conversion charts, math calculators, language apps, and thousands more.

     

    STROBE LIGHTS FROM CAMERA FLASHES

    There are a number of apps that turn the camera flash into a stroboscope.  This capability can be used to calculate the running speed of belts and motors as well as balancing and verifying alignment by checking for looseness.  

     

    VIBRATION ANAYLSIS

    Many modern smartphones have built-in accelerometers or gyroscopes that can be used for vibration analysis on pumps and motors.  Units such as the SKFTKSA11 when used with your iPhone provide high resolution graphics, etc.  https://www.control-specialties.com/skf-tksa11-shaft-alignment-tool.html

     

    MAGNETIC FIELD DETECTOR

    There are many apps that use the embedded magnetic sensors in smartphones to turn it into an electromagnetic field meter.  Ideal application for simple tasks such as checking for power lines behind walls or equipment.

     

    METAL DETECTOR

    The magnetic field sensors in your smartphone can also be used to detect metal objects.  Metal detector apps can be used for locating iron pipes in the ground, studs in walls, etc.

     

    SOUND LEVEL METERS

    There are apps available to measure the level of sound in decibels converting your iPhone into a basic sound pressure meter.  These apps with your iPhone are reliable and accurate enough for non-critical applications.  

  • 05.09.17 Posted in Steam Systems By Margie Moschetti

    Valves are primarily used in piping systems to stop, divert, or regulate the flow of fluids.

    Valve types can be broadly categorized based on their function such as:

    Isolation (Stop) Valves:

    These valve types are used to stop the flow or isolate a portion of the system until it is required to provide flow downstream of the valve.  The basic design requirement of stop valves is to offer minimum resistance to flow in its fully open position and to provide tight shut-off when fully closed.

    Regulating Valves:

    Regulating valves are used in piping systems to regulate the flow of fluid.  Flow is varied depending on the signal sent based on required parameters like pressure, flow rate or temperature.

    Back-Flow Prevention Valves:

    These valve types allow flow only in one direction and prevents flow in the reverse direction.

    Pressure Relief Valves:

    Pressure relief valves are used in a system to prevent excessive build-up of pressure above the system design pressure.

    In the context of valve types, steam traps and strainers are related devices that are used extensively in piping systems.  Steam traps are used to discharge condensate from steam piping/steam heating equipment.  

    For more information on valves installed in piping systems, browse our eBook Library “Steam Distribution and Primary Equipment Handbook.”

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