Azbil FloWing VFR User Manual

Actuator Azbil Corporation
3-6 Model VFR - FloWing Eccentric Rotary type Control Valves
3-5 : Assembly of actuator
Since the mounting positions of parts dier depending on whether the valve is for
direct action or reverse action, conrm the valve action by referring to the nameplate
prior to assembling the actuator.
For the assembly of the actuator, proceed as follows:
(1) Assemble the parts by following in the reverse order steps (6) through (8) of
subsection “3-4 : Disassembly of actuator” and assemble the spring unit.
~Note
1. Compress the spring as far as the actuator stem and spring
compression nut can turn.
2. To assemble the fork and clamp, pay attention to the direction of the
convex section of the fork and assemble them as shown in Figure 3-9.
3. Apply a liberal amount of molybdenum disulede powder (MoS
2
) onto
the piston surface contacting with the diaphragm, the front and back
surfaces of the diaphragm and the inside of the case contacting with the
diaphragm.
Figure 3-9 Figure 3-10

Azbil FloWing VFR Specifications

General

Brand	Azbil
Model	FloWing VFR
Category	Control Unit
Language	English