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| Copeland's carbide, ceramic, Hatelloy® and Inconel® coatings are useful in preventing wear and erosion. Copeland specializes in repairing, modifying or re-engineering all types of valves so that they may operate longer and more reliably in the presence of particulates, corrosives or high pressure steam. Types of Process Equipment Modified With Hard Coatings Gates Globes Ball Valves Control Valves Plug Valves Knife Gates Brand Names of Valves Modified or Repaired by Copeland Repairs may include modification to metal seats, coating of internal components, or simply repair services. Mogas Industries, Inc. Valvtechnologies Nordstrom Valves, Inc. Fisher Flowserve SST Velan Valves, particularly severe service valves, need to operate reliably, continuously and with little maintenance. Once installed, a sheared stem, leaking body gasket or worn sealing area is costly and time consuming to repair. Our goal is to produce products that are reliable and durable. McCanna Seats after coating and lapping to provide a chrome carbide sealing area so that the original valves will provide longer life in a process that has erosive particulates in the process stream. Fisher control valves sometimes require modifications to include carbide or ceramic coatings on the sealing surfaces or even the entire wetted area. Copeland can provide these services with a two week delivery or less. This repair was for a power plant in Florida. The original valves had Stellite™ welded to the body's bore to prevent erosion. Copeland applied CFS131 over the base metal to provide a harder, more wear resistant surface. |
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