... : pvc union2).size: 1/2", 3/4", 1", 1-1/4", 1-1/2", 2", 3", 4".3).color: grey, white4).standard: ANSI ... ,JIS,DIN,BS OR NPT,BSPT5).Working condition:1.0Mpa6).end connector: socket7).pressure ... nad drug resistance 4) Water quality unaffected and Small resistance to fluidity 5)economical and environmental 3. componentsunion connector, o-ring, union ...