... pvc water valve 2.size :1/2 to 4 3.colors: white ,grey,blue 4.standards:BS,ANSI ... 2", 2-1/2", 3", 4" 2) standard: BS, ANSI, DIN, JIS 3) with socket and threaded end 4) material ... : U-PVC 5) colors: Many colors available for choice 6)Health and non-toxic 7 ... the regular operation , open and close quickly ,lightweight 3)No vibration and no noise 4)Quality : Heat , ...