F - Mech Eng,Light,Heat,Weapons – 16 – K
Patent
F - Mech Eng,Light,Heat,Weapons
16
K
251/54
F16K 5/06 (2006.01) F16K 5/08 (2006.01) F16K 49/00 (2006.01)
Patent
CA 1160615
ABSTRACT OF THE DISCLOSURE The invention relates to a ball valve of the type that is used underground for water service to buildings from a water main. The valve has a stop means for limiting rotation of the stem at the open and closed positions that is located within an interior chamber within the housing in order to protect it from fouling by earth and also to ensure a good electrical path through the valve in the event thawing of the yalve is necessary under winter conditions.
389295
Emco Limited
Fetherstonhaugh & Co.
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