Gland permitting leak testing of lead penetrations

Details Gland permitting leak testing of lead penetrations Gland permitting leak testing of lead penetrations

G - Physics

01

M

G01M 3/04 (2006.01) F16J 15/24 (2006.01) F16L 5/02 (2006.01)

Patent

CA 2149693

This invention provides an improved sealing gland for wire penetrations of a generator wall which also incorporates means for checking gas tightness of the lead penetrations prior to generator start-up. In an exemplary embodiment, the invention essentially incorporates a pair of conventional gland arrangements within a single gland body, with a center air space between the two glands used for detecting leakage and/or checking gas tightness. The center cavity or air space is channeled out of the gland througha drilled hole in the adjacent spacer plates and then axially through the gland body. A conduit extends from the gland body to a hydrogen detection device which alerts the operator to a hydrogen gas leak in the first or inner of the two axially aligned glands. The second or outer gland insures against leakage of the hydrogen beyond the first or inner gland. The invention also permits testing of multiple glands and easy determination of gas leakage from any one of the glands.

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