Obpva - Onderstepoort Biological Products Limited
Pressure Gauge Calibration
Major Service Raw water pre- treatment service. Replace solenoid valve diaphragm and coil Replace pressure relief valve Check and fix if there are any leaks Service softener system ( including salt and softening resin) Service transfer pump Service booster pump Service pH control unit Calibrate pressure gauges & - Conductivity meters ( Calibration solution should be SANAS certified) Replace pressure regulator Service RO 1st stage feed pump Service RO 2nd stage feed pump Permit valve seal replacement Membran
Tender Close Date: