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Flanged Valves for the Plant Room: Table E vs ANSI 150, Stainless vs Bronze, and the WaterMark Size Cut-Off

Flanged ValvesBen Norman

Building a flanged valve set for a commercial plant room: matching Table E or ANSI 150 drilling, 316 stainless vs bronze drilled-to-order, lilac recycled water valves, the wafer alternative and which sizes are WaterMarked.

Pump Foot Valves and Suction Baskets: Keeping the Prime on Tank, Bore and Sump Pumps

Foot ValvesBen Norman

Why surface pumps lose prime, where a foot valve goes, and how to choose between Zetco's threaded and flanged 316 foot valves and nylon, brass or 316 suction baskets.

Check Valves Compared: Spring vs Swing vs Lift, Bronze vs DZR vs 316 Stainless

Check ValvesBen Norman

Spring, swing and lift check valves: which one goes where, how orientation and water hammer change the choice, and which Zetco check valves are WaterMarked.