Economy—Balanced valve plug construction in the 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.
Excellent Sealing Capabilities—The ENVIRO-SEAL packing system option is available. This packing system provides excellent sealing, guiding, and loading force transmission. The improved sealing of the ENVIRO-SEAL system can help control emissions to below the EPA (Environmental Protection Agency) limit of 100 ppm (parts per million) from valves. The ENVIRO-SEAL packing systems feature PTFE, Graphite ULF, or Duplex packing with live-loading for reduced packing maintenance.
Long Trim Life—Hardened trim materials provide excellent wear resistance.
Easy Maintenance—Cage-type construction simplifies inspection and removal of parts.
Valve Plug Stability— Rugged cage guiding provides high valve plug stability, which reduces vibration and mechanical noise. 