Isolation Dampers

Call Us
Off: 817-421-0939
Fax: 817-421-1065
Font Size Decrease Font SizeIncrease Font Size

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.

Download document


       © 2007 Contamination Technology        Corporation All rights reserved