Material of construction :
The body is made of special grade Cast Iron and lined through with brass, tested to withstand a preof 16kg/cm. Water metrs gears & shafts coming in contact with water are made of stainless stell grade 07Cr18Ni9 of IS : 1570 (part V) / 1985.Impeller Bearing are of Sapphire / Agate suitably ground and polished. The rear bearing is also of Sapphire / Agate mounted in brass housing.
The meters is suitable for use with water at temperatures upto 45 C and conform to B.I.S. specification IS : 2373 – 1981.