Flowserve 2 Series P2 Type - Manual (Page 7)

7
Flow Control Division
Kammer Control Valves
8.3 NAMUR ACCESSORIES
(see Fig. 3)
8.3.1 Accessories according to NAMUR can be fitted by
flanging them to the yoke. A special coupling half with
threaded bosses is available to connect the actuating
lever (see spare parts list for part-no.).
Fig. 3: NAMUR coupling half
8.2.1.9 As required replace the long (de)compression screws/nuts
with the short screws/nuts.
8.2.1.10 As required refit the actuator assembly to the valve as
described in 1.2.
8.2.2 Actuator action spring-to-close
8.2.2.1 Insert the guide (4) into the lower body half.
8.2.2.2 Replace the upper yoke plate ensuring that the nose in
the lower body rests in the bore of the upper yoke plate
(see fig. 2).
8.2.2.3 Refit the slotted nut (9) and tighten with a hooked
spanner.
8.2.2.4 Refit the actuator stem (10), spacer (25), plate (26),
spring plate (27), spring set (30), piston (28), dia-
phragm (29) and washer (1).
8.2.2.5 With a suitable press compress the spring set.
4.2.6 Secure the actuator stem (10) from rotating with a wrench
across the flats on the stem’s lower part and retighten the
nut (32) to the torque shown in table 3. Replace locknut
(24) and secure with loctite 221.
8.2.2.7 Release the press and replace the upper case half.
8.2.2.8 Insert and tighten the case retaining screws (20) to a
torque value of 12 Nm
8.2.2.9 As required refit the actuator assembly to the valve as
described in section 1.2.