Tilting Disc Type Check Valves
Date:
prepared:
approved:
Page:
22.03.2005
C.Wied
H.Six
1 of 14
Operating instruction No.:
BUW-510/1-E
TABLE OF CONTENTS
1.
INTRODUCTION ................................................................................... 2
2.
INTENDED USE .................................................................................... 2
3.
SAFETY INSTRUCTIONS ...................................................................... 2
3.1.
G
ENERAL SAFETY INSTRUCTIONS
....................................................................................2
3.2.
S
AFETY INSTRUCTIONS FOR THE OPERATOR
....................................................................2
3.3.
S
PECIAL HAZARDS
..........................................................................................................3
4.
LABELLING OF THE TILTING DISC TYPE CHECK VALVES .................... 4
5.
TRANSPORT AND STORAGE ................................................................ 4
6.
INSTALLATION INTO THE PIPELINE ..................................................... 5
6.1.
G
ENERAL
.......................................................................................................................5
6.2.
P
REPARATION FOR INSTALLATION
...................................................................................5
6.3.
I
NSTALLATION POSITION AND DIRECTION OF FLOW
...........................................................6
6.4.
S
TEPS FOR INSTALLATION
...............................................................................................6
7.
PRESSURE TESTING AND COMMISSIONING ........................................ 7
8.
NORMAL OPERATION AND MAINTENANCE .......................................... 7
9.
TROUBLESHOOTING GUIDE................................................................. 8
10.
DRAWINGS .......................................................................................... 9
10.1.
L
IST OF PARTS
.............................................................................................................9
10.2.
D
ETAIL
D
RAWING
>T
ILTING
D
ISC
T
YPE
C
HECK
V
ALVE
<
WITH
F
LANGES
.......................10
10.3.
D
ETAIL
D
RAWING
>T
ILTING
D
ISC
T
YPE
C
HECK
V
ALVE
<
WITH WELDING ENDS
...............11
11.
REPAIR INSTRUCTIONS ..................................................................... 12
11.1.
G
ENERAL
...................................................................................................................12
11.2.
R
EPLACING THE BEARING COVER GASKET
...................................................................12
11.3.
R
EPLACING THE SHAFT SEALING
.................................................................................12
11.4 R
EPLACING
THE
LAMELLAR
SEALING
……………………………………………………
13