1.pvc water valve 2.size :1/2 to 4 3.colors: white ,grey,blue 4.standards:BS,ANSI,DIN SIZE 1/2 ... ball valveJINGHANG pvc water valve1) diameter: 1/2", 3/4", 1", 1-1/4", 1-1/2", 2", 2-1/2", 3", 4" 2) standard ... ) material: U-PVC 5) colors: Many colors available for choice 6)Health and non-toxic 7) Heat, corrosion ... ,wastewater treatment ,agriculture ,irrigation, industrial application ball valve for water