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        维修备件包

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        手机:156-1885-3705  139-1802-3994

        产品介绍
        • 产品型号: FisherED
        • 产品类别: FisherED直通阀系列

         

        Optional constructions allow material compatibility with NACE MR0175/ISO 15156 and NACE MR0103. Contact your Emerson Process Management sales office for details.

         

        316 stainless steel packing box parts are standard (including packing flange, studs, and nuts)

         

        Compliance with the Clean Air Act—Optional ENVIRO-SEAL packing systems provide an improved stem seal to help prevent the loss of process fluid. The ENVIRO-SEAL packing systems feature PTFE, Graphite ULF, or Duplex packing with live-loading for reduced packing maintenance.

         

        Valve Plug Stability— Rugged cage guiding provides high valve plug stability, which reduces vibration and mechanical noise.

         

        More Flow Capacity for Initial Investment— Streamlined flow passages in the the ED, EAD, and EDR valves provide excellent capacities and flow.

         

        Balanced Valve Plug Construction— Balanced valve plug construction permits use of smaller, lower-cost Fisher actuators. Also, trim inventory costs are cut because dimensional standardization permits use of most standard easy-e trim parts.

         

        High-Temperature Capability with Class IV or Class V Shutoff—Use of multiple graphite piston rings permit Class IV shutoff up to 593°C (1100°F).Use of C-seal trim permits Class V shutoff up to 593°C (1100°F).

         

        Compliance with European Standards— Valves are available with dimensions specified by EN/DIN standards.

         

        Sour Service Capability—Materials are available for applications handling sour service.

         

        Operating Economy—Increased wear resistance provided by standard hardened stainless steel trim means long service life.

         

        Maintenance Economy—The valve body can stay in the pipeline during removal of trim parts. The EDR valve also features easy valve access without removing the actuator.

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