Fisher d body valve manual

Protect the main valve body, pilot exhaust, and pilot spring case vent against anything that could clog them. For safety during shutdown of backpressure regulators, install vent valves immediately upstream and downstream of the main valve. 4. The pilot exhaust may be piped directly into the main valve outlet (if the exhaust is to be retained.  · Figure 1. Series Control Valve. Scope of Manual This instruction manual provides installation, maintenance, and parts information for Series control valves. Refer to separate manuals for. This instruction manual includes installation, maintenance, and parts information for Fisher D and DA valves. Refer to separate manuals for instructions covering the actuator, positioner, and accessories. Do not install, operate, or maintain a D or DA valve without being fully trained and qualified in valve, actuator, andFile Size: KB.

Meets Variety of Specifications—Valve body and end connection constructions are available for API as well as ASME standards. W‐1 Fisher D Valve with Actuator NACE Trim Standard—NACE trim and bolting materials are standard for all applications. These materials comply with the requirements of NACE MR‐ D and DA Valves. The Fisher® E-Body sliding stem globe style control valve is a general purpose valve used for throttling or on-off service for gas and liquid applications. Types ET and ED valves includes a cage guided balanced valve plug, metal to metal seating, or PTFE (ET only) seating for bubble tight shutoff. main valve body or pilot. Also, make sure that all tubing and piping are clean and unobstructed. CAUTION When installing Type EZR trim in an existing Fisher™ E-body, damage can result if flow is not in the correct direction. Look at the body web to confirm that flow is in the correct direction—up through the center of the cage.

Valve bodies are available in 1 or 2 inch sizes, with casted flanged connections, and ASME body ratings of Class , or Class LCC,. WCB and CF8M are. Various combinations of valve body and actuator are available to meet various type (d) Loosen the lubricator handwheel and drive grease by turning the. allows for isolation of the valve body without shutting down the pipeline. figure 3 and the actuator instruction manual. Metal Ball Seal, 12 req'd.