Mechanical Supplies
2-Way Control Valves
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- Modulating and on/off two-way valves with equal-percentage or linear characteristics, sized on Kvs rather than pipe diameter so that valve authority stays above 0.25. Bodies in bronze, brass and cast iron from DN15 to DN150.
- Control the water side of AHU, fan coil and chilled beam coils on variable flow circuits, closing off flow to the coil as the space load falls. Correct sizing matters more than any other selection on the branch: an oversized two-way valve does its whole job in the first 20% of travel and hunts for the rest.
- EN 60534-2-3
- IEC 60534-8-3
- EN 12266-1
- EN 1092-1
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