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The Fisher NPS 12 through 24 × 20 CL150 through CL600 EUT-2, EWT-2, EUD, EWD, EUT, and EWT general-purpose valves are used for either throttling or on-off control of a wide variety of liquids and gasses. These valves have single ports, balanced valve plugs, and cage guiding.
EUT-2 and EWT-2 valves with a hanging cage are available for demanding applications in oil and natural gas to 232°C (450°F). The hanging cage, with the seat ring threaded into the cage, gives these valves easy-maintenance trim--no trim parts are threaded into the valve body. The seal between the plug and cage and the seal between the seat ring and valve body are spring-loaded PTFE seals. CL900 NPS 16 and 20 x 16 valves are available upon request. Please contact your Emerson Process Management sales office for more details.
EUD and EWD valves have a bolted-in seat ring. These valves have metal-to-metal seating and use two graphite piston rings between the valve plug and cage. They are used primarily for high temperature (over 232°C [450°F]) service. Bore Seal trim is used to obtain Class V shutoff above 316°C (600°F).
EUT and EWT valves have a bolted-in seat ring. These valves have metal-to-metal seating and use PEEK anti-extrusion rings to obtain temperatures up to 316°C (600°F).
These valves share the following characteristics: multiple trim material choices, trim part interchangeability, and different cage styles to provide particular flow characteristics to handle specific applications.
Valve Type: Control Valves
Sub-Type: Fisher Control Valves
- Stable Control at High Pressure Drops
- Cost-Effective Operation
- Easy Maintenance