Design YD and YS Control Valves
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Design YD (Balanced) — For general converging (flow-mixing) and diverging (flow-splitting) service.
Available in standard and high-temperature versions.
Design YS (Unbalanced)—For general converging service. When used in diverging service,recommended for on-off applications only
- Economy — Streamlined flow passages and angle design provide greater flow capacity per dollar of initial cost than do most three-way valves of the same line size.
Balanced valve plug construction in the Design YD permits use of smaller, lower-cost actuators.
A single one-piece valve accommodates both trim designs and uses Fisher easy-e bonnets,gaskets, and packing, thus cutting spare part inventory costs. - Application Flexibility — Multipurpose capability results from a valve designed specifically for three-way control.
A variety of valve sizes, end connections, port diameters, and trim materials provides design versatility for your control needs.