AWWA C530-12 Pilot-Operated Control Valves (PDF)
SKU: STC_0076274-PDF
This standard establishes minimum requirements for pilot-operated control valves of globe, angle and wye body styles with various end connections in sizes from 1-1/2 in. through 60 in. (37.5 mm through 1,500 mm) in diameter, with water having a pH range from 6 to 9 and a temperature range from 40°F to 125°F (4.4°C to 52°C). The standard covers piston- and diaphragm-type valves suitable for a maximum steady-state fluid working pressure of 300 psi (2,070 kPa), a maximum steady-state differential pressure of 300 psi (2,070 kPa), and a maximum line velocity of 15 ft/sec (4.6 m/sec).
Description
Major changes made to the standard in this revision include the following: manufacturer is required to deliver installation, operation and maintenance manuals (Sec. 4.1.3); materials shall comply with regulations for potable water, wastewater, and reclaimed water systems as applicable (Sec. 4.2.1); elastomers are included under physical and chemical requirements (Sec. 4.2.2); changes to flange requirements (Sec. 4.3.4.1); changes to disc retainer material requirements (Sec. 4.3.7.2.4); and, model number and serial number were added to the marking requirements (Sec. 6.1).