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Isolation Dampers |
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CCD style round bubble – tight dampers : The CCD style dampers are a positive seal, isolation type damper which are bubble tight at a differential pressure of 10” water gage. It is constructed with a 10 Ga. T-304 stainless steel body and 3/16” flanges. The blade consists of two 3/16” thick disks with a replaceable neoprene or silicone gasket between them. The shaft is sealed with two replaceable polypak gland seals. The CCD style damper can be manufactured with a manual, electric, or pneumatic actuator. The damper diameter can be made any size between 6” to 36”.. All dampers are manufactured under a strict quality assurance program that meets all the requirements of ASME NQA-1. All welds and welders shall be qualified in accordance with ASME Boiler and Pressure Vessel Code Section IX. The blade and shaft seals are tested in accordance with ASME N509-1996 class I. The complete pressure boundary is leak tested using the “Pressure Decay Method” in accordance with ASME N510-1995 “reaffirmed”, “Testing of Nuclear Air Treatment Systems”, Paragraphs 6 and 7. Specifications Download document
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Off: 817-421-0939
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