1. Diaphragm Pumps Combine The Advantages Of Self-Priming Pumps And Chemical Pumps. Install In A Dry, Well-Ventilated Place; The Water Pump Cannot Work In Water. 3. Completely Sealed, High Pressure And Stable. When The Water Is Turned Off, It Automatically Cuts Off The Power Supply And The Motor Stops Working. After The Water Is Connected, The Power Be Automatically Turned On And The Motor Run. 2. Using A Variety Of - Materials, Self-Priming, Thermal Protection, Stable Operation, Long-Term Continuous Idling, And Long-Term Continuous Load Operation. The Maximum Pressure Has Been Set At The Factory And Cannot Be Adjusted During Use. 4. The Rubber Bracket Can Absorb The Vibration Generated When The Pump Is Working. Usage Medium: Water Or Solvent Or Oil With A Ph Value Of 5-8. Service Life: More Than 500-1000 Hours Of Continuous Operation. 5. When The Water Pressure Is Too High, The Water Pump Protect Itself And Work Normally. The Water Pipe Not Burst, Making It Safe And . 6. Work: Intermittent Work (Continuous Work At Different Times Under Different Work Pressures), Weight: 1.28309036484 pounds, Manufacturer: Tuidzljd