Speroni Vff Series Variable-Frequency Pump Adopts The Latest Vvvf(Variable Voltage And Variable Frequency) Ac Frequency Conversion Speed Regulation Technology Combined With Pressure Sensing Technology ;Through The Feedback Of Real-Time Pressure Value Compared With The Setting Pressure; It Can Adjust..
Tank To Be Used As Replacement Part On 309Vff4-40 And 309Vff4-60 Vsd Pumps. The Vessel Ensures The Pump Can Switch Off If There Are Small Leaks On The System. The Air Pressure Must Be Maintained At 60% Of Set Water Pressure To Ensure Correct Operation.....