標準號：IS 12701-1989
發布日期：1989/10/1 12:00:00
實施日期：1999/12/31 12:00:00
適用范圍：1.1 This standard covers the reqirements of materials, dimensions construction, shape, tole-rances on dimensions, fittings, workmanship, performance requirements, and inspection and testing of rotational moulded polyethylene water storage tanks.1.2 This standard is applicable only to water storage tanks subjected to the following two condi-tions:a) Own hydrostatic head of water, andb) Tank with uniform flat base support.1.3 The nominal service temperature is + 1°C to + 50°C.1.4 The standard does not cover mobile water tanks and horizontal cylindrical water tanks.