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Model DF270 Control Valve & Actuator

Dyna-Flo Model DF270

Fisher Model D4 Equivalent

Model DF270
Features:
NACE Service Ready Standard construction for the DF270 control valve features NACE trim. The valve bonnet and body also conform to NACE MR0175 (National Association of Corrosion Engineers) recommendations.
ASME Class 900/1500 The DF270 is designed and rated for ASME B16.34 Class 150 - 1500 service.
Live Loaded Packing Packing for the DF270 control valve is designed to provide a quality stem seal and to prevent the loss of hazardous gases or fluids. The live loaded feature provides for reduced maintenance and positive sealing in temperature and pressure cycling conditions.
Field-Reversible Actuator Field conversion of the DF270 actuator is designed to be quick and easy. Switch the DF270 from a spring-close to spring-open actuator without any additional parts.
Easily Maintained The hammer union body to bonnet connection allows for easy removal of the bonnet/actuator for access to trim and packing. Trim removal requires no special tools and is quick and simple. The two piece cage seat allows replacement of the seat ring while using the existing cage making port changes and maintenance more economical.
Low Temperature Materials The DF270 valve body is constructed with materials that are capable of functioning in temperatures of -40°C.
Open Yoke The DF270 features an open yoke that allows for the mounting of a feedback arm to facilitate positioners and indicators.
Versatile Trim Material Options Plug and seat ring materials are available in S17400 DH1150 and S31600/Tungsten Carbide.

The Dyna-Flo Model DF270 Control Valve is a rugged globe style control valve intended for demanding applications in process control. It is suitable for a wide range of applications, especially high pressure and severe service. The compact design makes installation and maintenance more convenient than traditional valve and actuator assemblies while still offering the same functionality. The Model DF270 is designed to accept instrumentation requiring valve stem linkages making it an excellent control valve.

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