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IS 910 : 1980 SPECIFICATION FOR COMBINED KEY FOR HYDRANT, HYDRANT COVER AND LOWER VALVE

UDC 621.643.52:614.843.1:621.646.986

CED 22

Reaffirmed 2018

1. SCOPE

1.1 This standard lays down the requirements regarding materia), shape and dimen.ion. of combined key for hydrant, hydrant cover and lower valve.