1 Technical Requirements

6.5.3. Pump Characteristics 31. 6.5.4. Fittings 31. 6.5.5. Bearings 32. 6.6. Piping 32. 6.6.1. Piping Materials 34. 6.6.2. Pipe Velocities 36. 6.6.3. ... control valves shall be specified for a noise level no greater than 90 dBA when measured 3 feet downstream and 3 feet away from the pipe surface. Valve actuators shall use positioners and the ... ................
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