1 Technical Requirements - Pacific Gas and Electric Company

Pipe Velocities 36. 6.6.3. Pipe Hangers and Supports 36. 6.7. Valves 37. 6.7.1. Drain and Vent Valves and Traps 38. 6.7.2. Low-Pressure Water Valves 38. ... All sprinkler hangers and rolled grooved fittings and couplings shall be galvanized. Sprinkler pipe hangers for cooling tower sprinkler systems shall be stainless steel including for dry ... ................
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