Part 1 - GENERAL - FIREFLEX

System trim piping and every supervisory and alarm device required shall be Schedule 40 galvanized steel. Black pipe will not be accepted. 4. Schedule 40 steel pipe header painted fire red, with grooved ends to be connected to supply water from either side. 5. Schedule 40 steel pipe drain manifold of 2" diameter painted fire red, with grooved ... ................
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