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Fisher® D4

Fisher® D4 control valve is a compact, rugged globe valve designed primarily for high-pressure throttling applications. This valve is ideal for use on pressure and flow control applications within the oil and gas production industry. The D4 is an excellent control valve for high-pressure separators, scrubbers, and other processing equipment. These valves are especially useful for either throttling or on/off control of liquids or gases which are gritty, sticky, or which have a tendency to build up on internal valve parts. The trim and packing can be maintained by removing the patented deep-bore hammer nut and lifting the actuator/bonnet assembly off the valve without disassembling the actuator. The unique D4 design provides additional protection if disassembly of bonnet/valve body connection is started while there is still pressure in the valve body. Pins mounted in the valve bonnet help ensure the bonnet disengages from the valve body as the hammer nut is removed, while the threads are still engaged.


DocumentationFeatures & BenefitsSpecifications
 Product & Service Documentation
 Fisher easy-Drive Electric Actuators brochure (metric size)
371 KBpdfMarch 2012D
 Fisher Gen2 easy-Drive Electric Actuators Brochure
6 MBpdfApril 2016G
 Reliable Control Valve Solutions (metric size)
1 MBpdfFebruary 2012A
 Reliable Fisher Control Valve Solutions
5 MBpdfSeptember 2012F
 Separator Optimization to Improve Shale Oil & Gas Production: Fisher Products Guide
2 MBpdfOctober 2014B
 Data Sheets - Bulletins - Catalogs
 Fisher D4 Control Valve Assembly
211 KBpdfMay 2016P
 Manuals & Guides
 Fisher D4 Control Valve Assembly
295 KBpdfJuly 2015Q
 Fisher D4 Control Valve with easy-Drive Electric Actuator
951 KBpdfNovember 2013E
 Fisher D4 Control Valve with Gen 2 easy-Drive Electric Actuator
924 KBpdfMay 2016A