Richter BVAP/F Series Ball Valves (ASME) - Manual (Page 13)

Series BVA/F, BVAP/F ,
ASME Page 13
9520-085-en_USA Revision 10
TM 8361 Edition 10/2011
8.4 Assembly with ball and stem
Prior to assembly all parts are to be cleaned and
the plastic-lined components checked for dam-
age.
An entire assembly procedure is described.
Insert seat rings 401 into the main body 101 and
body end piece 102.
Insert stem 202 from inside into the main body
101.
Move stem 202 into the 'closed' position.
Swivel ball 200 into the stem 202.
A relief or drain bore must lie on the p1 side in the
closed position.. See also Section 6.2.
Mount body end piece 102. Tighten the greased
body screw to a tightening torque in accordance
with Section 1.2 in diametrically opposite se-
quence.
8.4.1 Packing insert
Put base ring 422 onto the stem.
Push the packing insert 423 with the thrust ring
405/1 into the packing chamber.
Press in grounding spring washer 557.
8.4.2 BVA/F with lever
Mount lever stop 577, spring gland follower 502
(at 3", 4" and 6" are 2 spring gland followers 502)
and packing gland follower 503. Tighten packing
gland follower until there is no gap between it and
the spring gland follower. See Sections 1.2, 9.4
and 9.5.
Seal any tapped bores still open with plugs.
Attach lever 203.
8.4.3 BVAP/F with actuator
Mount spring gland follower 502 (at 3", 4" and 6"
are 2 spring gland followers 502) and packing
gland follower 503. Tighten packing gland follower
until there is no gap between it and the spring
gland follower. See Sections 1.2, 9.6 and 9.8.
Mount bracket 510 with the opening at right angles
to the direction of flow.
Mount coupling 804 and actuator 850. Observe
the actuator position in accordance with the actua-
tor operating manual.
8.5 Conversion from lever to
actuator
Select the actuator in accordance with the
instructions of the actuator manufacturer.
Remove lever 203.
Remove lever stop 577 and plug.
Check the fits of the coupling 804, bracket 510
and actuator 850.
Mount bracket 510 with the opening at right angles
to the direction of flow.
Mount coupling 804 and actuator 850. Observe
the actuator position in accordance with the actua-
tor operating manual.