KS M ISO 12092:2005
Fittings, valves and other piping system components made of unplasticized poly(vinyl chloride)(PVC-U), chlorinated poly(vinyl chloride) (PVC-C), acrylonitrile-butadiene-styrene(ABS) and acrylonitrile-styrene-acrylester (ASA) for pipes under pressure-Resis