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  1. ValcorTony

    Stem Packing Article

    Hello Everyone, I've been looking for an old magazine article out of Power Magazine from December 1970 titled "New Test Work Sheds Light on Criteria for Nuclear Valve Stem Seals and Packing" by A.K. Velan for some time now and I've been unable to track it down. Does anyone have a...
  2. ValcorTony

    Is QQZ-325-C obsolete?

    QQ-Z-325C,ZINC COATING, ELECTRODEPOSITED has been cancelled. It has been superceded by ASTM B 633. A good website to check on the status on specifications such as this one is called ASSIST. http://assist.daps.dla.mil/online/start/ After entering the site, click on the "Quick...

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