This instruction manual provides information on installation, adjustment, maintenance, and parts ordering for the Fisher actuator in sizes 30 through 76 and size The actuator in sizes 70 and 87 is also covered. Fisher and actuators are designed to provide dependable on/off or throttling operation of control valves. These spring-opposed diaphragm actuators position the valve plug in the valve in response to varying controller or valve positioner pneumatic output signals. Fisher actuator. Please e-mail or phone your repair parts requirements for a quick quotation to: info@www.doorway.ru or (P) . The actuator is a reverse-acting, spring-opposed diaphragm actuator. The actuator positions the valve plug in response to varying pneumatic loading pressure on the actuator diaphragm.
Figure 1. Fisher ET Control Valve with Actuator W‐4 Introduction Scope of Manual This instruction manual includes installation, maintenance, and parts information for NPS 1 through 8 Fisher ET valves, and NPS 1 through 6 EAT valves, through CL ratings. Refer to separate manuals for instructions covering the actuator and accessories. Fisher and actuators are designed to provide dependable on/off or throttling operation of control valves. These spring-opposed diaphragm actuators position the valve plug in the valve in response to varying controller or valve positioner pneumatic output signals. The actuator is direct-acting, while the is reverse-acting. Figure 1. Fisher EZ Valve with Actuator and DVC Digital Valve Controller WA‐1 Introduction Scope of Manual This instruction manual includes installation, maintenance, and parts information for NPS 1/2 through 4 Fisher EZ valves through CL ratings. Refer to separate manuals for instructions covering the actuator and accessories.
Instruction Manual DX Size 80 and Actuators June 5 opening. If the valve is installed in a pipeline, the bottom flange (if one is used) can be removed and the valve plug pushed to the seat from the bottom opening. Reduce actuator loading pressure to extend the stem approximately mm (1/8‐inch). CAUTION. Fisher and actuators are designed to provide dependable on/off or throttling operation of control valves. These spring-opposed diaphragm actuators position the valve plug in the valve in response to varying controller or valve positioner pneumatic output signals. This safety manual provides information necessary to design, install, verify and maintain a Safety Instrumented Function (SIF) utilizing the Fisher ED, ET, EZ, HP, or HPA valve with / actuator.
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