![]() The correct valve will normally be smaller. ![]() Resist the temptation to size the valve to the surrounding pipe size. Oversized valves will “hunt” and also wear prematurely. The capacity of the system will equal the lower of the two valves’ capacities, if they differ.ĭo not oversize the valves. The application capacity should be between 50 percent and 100 percent of the selected valves’ capacity in HS-900. Remember that the desired pressure drop will be made in two steps. Website: or see Hoffman Specialty Catalog HS-900F. ![]()
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