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Tape eases appliance design pressures
are gasket and seal mounting, insulation bonding, microwave-door lining, sound dampening, nameplate and graphic-overlay mounting, and high-temperature applications. The Four Basic PSAs. The oldest tapes masking, electrician's, box sealing, duct, and household cellophane come without a liner. Next
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MICRO:Product Technology News (Oct. '98, p.110)
Ultratape Industries Salem, OR Made specifically for cleanroom use, #1170 DUCtape features a high tack level. Unlike traditional duct adhesives, the particle-free tape leaves no residues or contaminants. Ultratrace Oxygen Analyzer Delta F Woburn, MA The NanoTrace II detects oxygen
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MICRO: Product Tech News
of options, including security level, setpoint or setpoint-and-alarm operation, automatic or manual alarm reset, English or metric engineering units, K-factor adjustment for use with flow sensors, and circular or rectangular duct size for volumetric flow operation. The unit operates on either 120/220 V ac
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PSAs take hold
as with a bandage to skin. They can also wrap around an object (aluminum tape around HVAC duct work or PVC tape around a bundle of wires, for example), act as a protective film, closure, or splicing tape. Double-coated tapes also join two surfaces but adhesive coats both sides of a support
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ABCs of Refrigeration Pressure Sensing
throughout the building that picks up heat. The system is called a chiller. A 2-in. pipe of chilled water can supply as much cooling comfort as a round air duct with a diameter of 42 in. Evaporators in supermarket systems are the rectangular boxes located inside freezers with fans that blow
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The Benchtop Wind Tunnel (.pdf)
a duct system or another. closed path. Large or small, wind tunnels have certain key elements in common. Let's take a look at. these. The test section or air chamber, which is often the smallest part of the device, is the main focus. of the user. It usually has either a round or square cross-section
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The Evolution of Thermal Mass Flow Meters
immersion-type. concentrated on development of either the. fact, the actual mass flow rate. This often. time to changes in flow rate and the. meters were designed for duct monitoring. immersion-type or the capillary-type device. meant that they had to send the mass flow. technology began to find
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MICRO: Product Tech News
with advanced electronics to provide an analog voltage or current signal that is proportional to flow rate. The units have a life expectancy of more than 50,000 hours. Acid-Laden-Air Exhaust Duct. COR*Guard. Boise, ID. Dyneon. Oakdale, MN. A Factory Mutual-approved duct system for use in acid-laden-air exhaust