C700-90: AWWA Standard for Cold-Water Meters--Displacement Type, Bronze Main Case (PDF)
SKU: STC_0029793-PDF
This standard covers the various types and classes of cold-water displacement meters with bronze main cases, in sizes one-half inch through 2 inch, and the materials and workmanship employed in their fabrication.
Description
The displacement meters covered, known as nutating-disc or oscillating-piston meters, are positive in action because the pistons and discs displace or carry over a fixed quantity of water for each nutation or oscillation when operated under positive pressure.