G - Physics – 01 – N
Patent
G - Physics
01
N
73/118
G01N 3/32 (2006.01) G01M 3/28 (2006.01) G01N 3/12 (2006.01)
Patent
CA 1084733
ABSTRACT OF THE DISCLOSURE A transducer control arrangement in a hydrostatic pipe testing machine or pipe tester, for preventing a change in the positioning of the pipe relative to a testhead seal as testing fluid is introduced into the pipe. A transducer signal activates at least one pump to operate a piston cylinder assembly connected to the testhead to reduce or eliminate any relative movement between the testhead seal and the pie.
285427
Hewitt Neville S.
Wean United Inc.
LandOfFree
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