4. Center and firmly clamp the seat (7) and O-ring (49)
into the body (1) using the fixture in
Figure 7
. Ensure
threads of threaded rod and nut are clean and in good
condition. Apply a lubricant compatible with the media
to the threads. To compress each seat, apply a torque of
12 – 15 ft lbs to the nut. Tack weld the seat into position
per the instructions indicated in
Figure 7
.
5. Assemble seat (7) and O-ring (49) into the insert (2)
using steps 1 – 4 above and
Figure 7
.
Figure 6 Proper Seat Placements
7
49
5.
REPAIR KITS
*Refer to Section 1.2, Valve Markings and check area “3” on
your Valve’s identification plate to determine the correct
seat material for your valve.
See
Table 1
for Repair Kit part numbers.
TABLE 1.
REPAIR KITS
PTFE Seats
RKR-53TT
Xtreme® Seats
RKR-53XT
Barrier Seats
RKR-53MB
6.
SERVICE / SPARE PARTS
For further information on spare parts and service
or assistance visit our web-site at
www.metso.com/
products/valves/tank-car-valves/
.
NOTE:
When ordering spare parts, always include the
following information:
a. Valve catalog code from identification plate.
b. If the valve is serialized – the serial number (from
identification plate)
c. From
Figure 8
, the ballooned part number, part
name and quantity required.
d. Repair kits contain one pair of seats, a body seal,
stem seals and a secondary stem seal.
IMO
4/19
8
IMO-R20 EN
