... Environmental protection design 2.food grade PBT material 3.small, practical 4 can be arbitrary Angle adjustment Introduction The ... tooth interfaceLWH(MM)56*32*66IDG3/4"Startup flow rate 3.5L/minMaximum stream flow12L/minStartup flow power70WOperating ... the water flow switch, its characteristics may change. 3, flow switches, relays must be compatible with use, ... OKD-HS20 Piston-type flow switch 3/4''