IS 9228-1979
百检网 2021-07-17
标准号:IS 9228-1979
发布日期:1980/1/1 12:00:00
实施日期:1999/12/31 12:00:00
适用范围:1.1 Covers the requirements for mono seat chairs for passenger chairlifts for winter sports.1.2 This standard is applicable to chairs used on chairiifts working in anti-clockwise direction, the normal direction of movement of chairlift. In exceptional cases where local conditions require movement of the chairlift in the clockwise direction, the provision laid down in this specification may also be applied with the only difference that the suspension bar of the chairs seen from the front may be to the left of the chair and therefore the form of the bar itself shall be an inversion of 'S'1.3 This standard is applicable to chairs for installations, having a speed not exceeding 4·25 m/s and are suitable for areas experiencing temperatures in the following ranges:a) Up to -30°C, andb) Below — 30°C and up to -60°C.
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