Low flow rates pass through the disc or piston meter section only, until the maximum capacity is reached, at which time the valve opens and the higher flow rates are measured through the turbine section.
Oscillating piston meters are used for residential service in sizes up to 1 in.
A one-piece, stainless steel piston meters
gas; no seals, rings, springs, or valves.
1 percent accuracy compared to traditional piston meters
Oscillating piston meters
are manufactured by Kent Meters, Inc.
Lot 1 - supply of HWZ ring piston meters
Qn 2,5 mA / h, and Q3 = 4 mA / h
A Losteilung the individual types of counters provided as follows Lot 1 - supply of HWZ ring piston meters