Flowserve SB Control Valves - Manual (Page 5)

ShearStream SB FCD VLENIM4152-01 07.09
5
8. Product code for important spare parts and spare parts sets
8.1 Ordering of Spare Parts
When placing orders for spare parts, specify:
1. Product code of the valve - incl. DN, see part No.
specifi ed on the identifi cation plate of the valve.
2. Description of the part, its item No. or spare
parts set number, and the quantity required.
Ordering example
For ShearStream SB 8782EB-0200-AAAABA,
Part. No. 1234567
1 - Stem upper, item 3
or
For ShearStream SB 8782EB-0200-AAAABA,
Part. No. 1234567
1 - Stem sealing set, product code 349 08 052
9. Maintenance
If the ball segment or seat ring has sustained damage due
to impurities in the pipework or for some other reason, or
if the seat ring and stem seals need replacing after a long
period of service, the valve must be overhauled.
Many valves are installed in such locations that their
performance is of decisive importance to the entire
process. Such valves should be inspected regularly and
any faults should immediately be corrected.
9.1 To remove the valve from the pipework
The procedure for inspection and maintenance, for
which no special tools are necessary, is as follows:
1. Ensure that the recommended spare parts and
also the gaskets - important - for the pipe
fl anges are available.
2. Close the valve.
3. Shut off all compressed air connections
and isolate all electrical connections to the
actuator.
4. Disconnect all compressed air lines and electric
cables connected to the actuator.
5. Release the fl anged joint between the valve
and the pipework. Then lift out the valve. Don’t
use the actuator for lifting. Apply all lifting
forces to the valve itself and not to the actuator
- see fi g. 1.
Note the direction of fl ow which is shown by an
arrow on the valve body.
9.2 To inspect the ball sector and seat ring
1. If an actuator is fi tted to the valve, remove it. See
section 9.3, items 1 and 2.
2. Remove the indicating pin (23 - fi g. 4).
3. Turn the ball sector through more than 90°, until
it is no longer in contact with the seat ring.
4. Push the seat ring out of its seat at the valve
body inlet. Withdraw it past the ball sector -
between the ball sector and the inside
of the valve body - towards the outlet, and
remove it from the body.
* Three rings are requested per valve for DN 25 - 100, four rings per valve for DN 150 - 300
Set or detail
Stem sealing set Seat ring set Other spare parts
Type Zebra CL ™ Safeguard Alloy 6 PTFE
Item No 19A 19B 11, 12 12, 29 7 10
DN
25 349 08 050 349 25 540 349 08 080 349 17 460 348 88 295 333 98 460
0040 349 08 050 349 25 540 349 08 081 349 17 461 348 88 295 333 98 461
0050 349 08 050 349 25 540 349 08 082 349 17 462 348 88 295 333 98 462
0065 349 08 050 349 25 540 349 06 089 349 17 469 348 88 295 333 98 469
0080 349 08 050 349 25 540 349 08 083 349 17 463 348 88 294 333 98 463
0100 349 08 050 349 25 540 349 08 084 349 17 464 348 88 294 333 98 464
0150 349 08 051 349 25 500 349 08 085 349 17 465 348 88 290 333 98 465
0200 349 08 052 349 25 720 349 08 086 349 17 466 348 88 291 333 98 466
0250 349 08 053 349 25 760 349 08 087 349 17 467 348 88 292 333 98 467
0300 349 08 054 349 25 140 349 08 088 349 17 468 348 88 293 333 98 468
0350 - 349 25 180 349 17 430 349 20 030 349 15 260 333 00 430
0400 - 349 25 180 349 17 431 349 20 031 349 15 260 333 00 431
0500 - 349 25 180 349 17 432 349 20 032 349 15 261 333 00 432