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  1. 110970

    LN2 variable pumping

    We need to provide variable flow (3,000 – 72000 scfm) of GN2 at 250 psi and 70 degrees F to several modulators in a test room. We need to maintain 220 psig pressure in the test room manifold. Three centrifugal pumps with VFD’s will pump LN2 through (2) water bath vaporizers. The LN2 is stored...

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