Emerson KTM Series Installation And Maintenance Manual

KTM SERIES EF190FE SPLIT BODY FLANGED BALL VALVES
INSTALLATION AND MAINTENANCE MANUAL
Before installation these instructions must be fully read and understood
1 USE
Long life of valves can be maintained under
normal working conditions and in accordance
with pressure/temperature and corrosion
data chart.
2 MANUAL OPERATIONS
The opening and closing of the valve is done by
turning the handle ¼ turn (90° turn).
A. Valve in open position
The handle is in line with the valve or pipeline.
B. Valve in closed position
The handle is perpendicular with the pipeline.
3 AUTOMATED OPERATIONS
Alignment between actuator and valve is
extremely important.
Misalignment will result high operational
torque, create the stem side loading and cause
early stem leakage.
4 GENERAL INFORMATION FOR ON-SITE
INSTALLATION
4.1 Remove plastic end flanges
protection covers.
Emerson.com/FinalControl
4.2 The valve may be fitted in any position on
the pipeline.
4.3 Before installing the valves, the pipes
must be flushed clean of dirt, burrs and
welding residues to prevent damage to the
seats and ball surface.
4.4 The pipeline must be free of tension.
5 DISASSEMBLY AND CLEANING
PROCEDURES
CAUTION
Ball valves can trap fluids in ball cavity when it is
in closed position.
5.1 If the valve has been used to control
hazardous media, it must be
decontaminated before disassembly. It is
recommended that the following steps be
taken for safe removal and reassemble.
A. Relieve the line pressure.
B. Place valve in half-open position
and flush the line to remove any
hazardous material from valve.
C. All persons involved in the removal
and disassembly of the valve should
wear the proper protective clothing,
such as face shield, glove, and apron,
etc.
5.2 Remove both counter flanges studs and
nuts and lift valve from line for
maintenance.
5.3 Remove handle (item 18) or actuator set,
stem nut (item 16), lock saddle (item 15),
belleville washers (item 14), gland
(item 13), thrust washer (item 12) and
stem packing (item 11).
5.4 Remove body stud (item 7) and nuts
(item 7a) to allow end cap (item 2)
separated from body (item 1). The ball seat
(item 5) in the end cap should come out.
Remove body gasket (item 6).
5.5 Rotate the stem to "close" position, thus,
the ball (item 3) can be taken out easily
from body.
5.6 Take out the ball seat (item 5) from body
seat pocket.
5.7 Pull out stem (item 4) and remove the
stem seal (item 8 and 10) compress ring
(item 9). At this stage, all the parts are in
"Loose condition" and ready for inspection.
© 2017 Emerson. All Rights Reserved.
6 VISUAL INSPECTION
Clean and inspect metal parts. It is not
necessary to replace the ball and stem unless
the ball seating surfaces have been damaged
by abrasion or corrosion. Full replacements
of all soft parts are strongly recommended.
The replacement parts can be ordered in
"Repair kit" form.
VCIOM-03153-EN 18/07