... water, cold water, rainwater, gushing water of mining, drinking water, etc.2 Water temperature range: +5°C--+25°C3 Solid content (mass ratio): ≤0.01%4 ... PH value: 7.9-8.65 Full set should be submerged in water Motor Parameter:The submersible ... installation2 Low noise, multistage3 Built-in checkvalve avioding water hammer impact.4 High head with singlestage, strong stability,the shaft ...