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From Membrana
The amount of dissolved gases present in water has a direct impact on cleaning efficiency in a megasonic cleaning bath. UltraPure Water (UPW) from the polishing loop is commonly used in the megasonic cleaning process. Depending on the process design of the system, there are typically two scenarios in the system setup. First, a system containing Liqui-Cel Contactors could be located in the polishing loop. Here the typical dissolved gas requirement is less than 1 ppb for O2 and around 3 ppm for N2. Second, a Nitrogen blanketed tank could be located in the polishing loop. The typical dissolved gas requirements in this scenario are less than 1 ppb for O2. Dissolved N2 would be saturated at ? 20 ppm because of the N2 pressure from the N2 blanket on top of the tank. Products & Services
Filtration media and elements are designed to remove suspended particles from a process stream. This product area includes bulk filter media, cartridges, housing-only products, and housing and filter assemblies.
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Learn more about Filtration Media and Elements
Specialty filtration and separation equipment includes specialized or proprietary products and accessories for filtration and separation.
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Topics of Interest
Flat Washers. Flat washers are used principally to minimize embedment of
the nut and to aid torquing. Plain washers are manufactured in accordance with
standard ANSI/ASME B18.22.1. Hardened...
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High Temperature Protection
Stem Expansion Protection for High Temperatures (Belleville Washers)
Belleville washers are used on some torque-limiting motor operators to protect the assembly from damage...
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As discussed earlier, thermoplastics are viscoelastic materials; thus they exhibit a
profoundly different stress-strain and stress-rupture response than do elastic materi-
als. Nonetheless, elastic...
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6.1 INTRODUCTION
Figure 6.1 shows a typical uniaxial stress-strain curve for plain concrete up to tensile and compressive failure. For tensile failure, the behavior is essentially linearly elastic...
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The standard method for taking up backlash is to bias two nut halves axially using some type of compliant spring. (Wavy washer, compression spring, rubber washer, etc.)
The unit is very stiff in the...
(Read More)
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