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mott corporation 84 Spring Lane, Farmington, CT 06032-3159

Mott Porous Metal Centering Ring Diffusers GSD Series (GasShield® Diffuser) Figure 1. Cross Section of the Centering Ring Diffuser 316LSS Porous Media in Various Grades Standard Vacuum Connection Sizes Media Welded and Leak Tested Sizing Centering Ring Diffusers Selection Guide 1) 2) Determine the size Centering Ring using Table 2. Choose Media Grade using Table 4 to calculate acceptable flow to pressure drop. Use the Porous Area 2 data in Table 2 to calculate the flux rate of lpm/in by dividing the application flow rate in lpm by the porous 2 area data in in . To determine particle...

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Mott Porous Metal Centering Ring Diffusers GSD Series (GasShield® Diffuser) Air Efficiency Media Particle Size, µm Initial Collection Efficiency Testing performed per IBR E304 Tested at flux of 1.2 slpm/in2 A = Initial efficiency is greater than 90% for all particle sizes B = Initial efficiency is greater than 99% for all particle sizes TABLE 4 Rolled Sheet 316LSS for Grades 0.2 - 10 Media Grade Pressure Drop, psid Differential pressure varies in direct proportion to sheet thickness. Standard sheet thickness varies with media grade. Flow curves are presented in a log-log format; be sure to...

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Mott Porous Metal Filter/Diffusers GSE Series (GasShield® Filter/Diffusers) 9 log reduction (99.9999999%) in particles down to 0.003 µm at rated flow; confirmed at the Most Penetrating Particle Size of 0.08µm. • • 316LSS or Nickel Porous Media 316LSS Hardware Connection Sizing Filter Diffusers 1) 2) Determine the application flow rate in slpm. Choose a Filter Diffuser from Table 6 that has a max flow rating equal to or greater than the application flow rate. Confirm the flow/delta P using Table 5 to confirm that pressure drop is acceptable for system pressures and flows. Choose a connection...

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