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CPS-20M (Contamination Prevention System) Maintenance & Quieter Muffler

See the below file for maintenance procedures and information for the CPS-20M, CPS-20M-HC20, and CPS-20M-P3K for the 6270A and 2271A pressure controllers. 

See the 6270A Service Manual for the part numbers

See this article for CPS-20M Test Port o-rings, CPS-20M Test Port O-Rings

Note that a much quieter muffler is available to replace the original small metal filter. If you have a CPS-20M with the original metal filter,contact Pressure Calibration Technical Support by the link below, Submit a request


Have more questions? Submit a request


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