TACMINA PZ Series Advantages Wide voltage range power supply No need to change power supplies to match your source voltage. The power supply operates at 50/ 60 Hz from AC90V to AC264V ( patent pending) Outdoor specifications Equivalent to IEC specification; IP65. Dust-proof, jet stream-proof structure. Air release The standard air release feature and a pump head with improved volumetric efficiency ensure safe operations even during very low flow rate injection. ( Excluding 32, 52) Adjusting dial Manual adjustment from 15 to 300 pulses per minute. Simple structure Reduced number of parts allows easy maintenance. Applications Chlorine sterilization for small-scale water- supply system, food plants, buildings and swiming pools Injection of chemicals to boilers Chemical injection in the field of physics and chemistry plus medical cure Very low flow rate at a high pressure injection of various other liquids