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alarmschalter and assembly of alarmschaltern on valves.
alarmschalter and assembly of alarmschaltern on valves.
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机译:报警器和阀上的报警器组件。
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PCT No. PCT/AU89/00309 Sec. 371 Date Feb. 7, 1990 Sec. 102(e) Date Feb. 7, 1990 PCT Filed Jul. 21, 1989 PCT Pub. No. WO90/01652 PCT Pub. Date Feb. 22, 1990.An alarm switch for a control valve (5) is disclosed which has resilient fingers (37) extending from a casing (1) thereof. The fingers (37) are attachable to a yoke (23) of the valve (5) and resiliently deflect to accommodate for minor variations of yoke widths between different valves (5) and support the casing (1) in a position centrally across said yoke and in alignment with the central longitudinal axis of the valve shaft (3). This, in turn, can permit adjustment of the position of the casing (1) relative to an appropriate sensing initiating means carried by the valve shaft (3). Brackets (45) can be used to hold the casing (1) fixed to the yoke (23) so that when a correct position is obtained the casing (1) can be securely held in that position.
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