Inventors:
Glenn L. Weidlein - Hampton VA
Assignee:
Chicago Bridge & Iron Company - Plainfield IL
International Classification:
F04B 1700, F04B 3504, F04B 1508
Abstract:
Apparatus are disclosed which include a low pressure tube through which a pump discharge line can extend. The tube is sealed in at least two separate elevations to define a purge zone that can be purged of all volatile gases and permit the discharge line to be raised vertically through the low pressure tube.