125368226-Manually-Actuated-FL-and-FLS-Gate-Valves

Manually Actuated
FL and FLS Gate Valves
TC148
Operation and Maintenance Manual

All the information contained in this manual is the exclusive property of
Cameron. Any reproduction or use of the calculations, drawings, photo-
graphs, procedures or instructions, either expressed or implied, is forbidden
without the written permission of Cameron or its authorized agent.
Initial Release A1
April 1992
Revision B1
April 1994
Revision C1
June, 1997
Copyright ©1997 all rights reserved
by
Cooper Cameron Corporation
Cameron Division
TC148 2
Rev C1 6/97

PREFACE
The procedures included in this book are to be performed in conjunction with
the requirements and recommendations outlined in API Specifications. Any
repairs to the equipment covered by this book should be done by an
authorized Cameron service representative. Cameron will not be responsible
for loss or expense resulting from any failure of equipment or any damage
to any property or injury or death to any person resulting in whole or in part
from repairs performed by other than authorized Cameron personnel. Such
unauthorized repairs shall also serve to terminate any contractual or other
warranty, if any, on the equipment and may also result in the equipment no
longer meeting applicable requirements.
File copies of this manual are maintained. Revisions and/or additions will be
made as deemed necessary by Cameron. The drawings in this book are not
drawn to scale, but the dimensions shown are accurate.
P.O. Box 1212
Houston, Texas 77251-1212
ph: 713-939-2211
http://www.coopercameron.com
TC148 3
Rev C1 6/97

CONTENTS
I. General Information. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
A. Description and Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
B. Operation Instructions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
C. Dimensional Data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
D. Parts List . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
II. Periodic Maintenance. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
A. Lubrication. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
B. Lubrication Charts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
C. Body Cavity Lubrication. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
D. Thrust Bearing Lubrication . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
III. Troubleshooting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
IV. Bonnet Grease Fitting Replacement. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
A. Valves 10,000 psi WP and Below . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
B. Valves 15,000 psi WP and Above. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
V. Stem Shear Pin and Thrust Bearing Replacement. . . . . . . . . . . . . . . . . . . . . . 17
A. Removal of the Thrust Bearings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
B. Installation of the New Thrust Bearings. . . . . . . . . . . . . . . . . . . . . . . . . . . 17
VI. Stem Packing Replacement with Pressure in the Valve. . . . . . . . . . . . . . . . . . 18
A. Removal of the Stem Packing. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
B. Installation of the New Packing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
VII. Gate and Seat Replacement . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
A. Gate and Seat Disassembly . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
B. Gate and Seat Inspection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
C. Gate and Seat Assembly. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23
VIII. Ordering Replacement Parts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25
TC148 5
Rev C1 6/97