Flowserve BK 15 User Manual
BK 15
Installation Instructions 810682-01
Steam Trap BK 15, DN 40-50 mm
1
Contents
Page
Important Notes
Usage for the intended purpose......................................................................................6
Safety note ......................................................................................................................6
Warning...........................................................................................................................6
Ratings pursuant to article 9 of the PED .........................................................................6
Explanatory Notes
Scope of supply ..............................................................................................................7
Description ......................................................................................................................7
Function ..........................................................................................................................7
Technical data ...........................................................................................................7 – 8
Corrosion resistance .......................................................................................................8
Sizing ..............................................................................................................................8
Name plate / marking ......................................................................................................9
Installation
BK 15 ..............................................................................................................................9
Flanged design ...............................................................................................................9
Screwed-socket design .................................................................................................10
Socket-weld design .......................................................................................................10
Butt-weld design............................................................................................................10
Heat treatment of welds ................................................................................................10
Commissioning
BK 15 ............................................................................................................................11
Adjust regulator (undercooling, controlled steam flowrate) ...........................................11
Restore factory setting ..................................................................................................11
Operation
BK 15 ............................................................................................................................11
Maintenance
Check steam trap ..........................................................................................................12
Clean/replace regulator and nozzle insert ....................................................................12
Clean/replace strainer ...................................................................................................13
Torques .........................................................................................................................13
Spare Parts
Spare parts list ..............................................................................................................14
Annex
Declaration of Conformity..............................................................................................15
2
Capacity Chart
[lb/h]
50000
40000
30000
20000
10000
8000
6000
5000
4000
3000
2000
1000
Capacity [kg/h]
20000
10000
800
600
500
400
300
200
[kg/h]
8000
6000
5000
4000
3000
2000
1000
800
600
500
400
300
200
100
0.1 0.2 0.3 0.4 0.6 0.8 1 2 3 4 6 8 10 22 bar
3
2
1
Fig. 1
1.5 2 3 4 5 6 8 10 20 30 40 50 60 80 100 200 320 psi
Differential pressure (assuming discharge to atmospheric pressure)
Condensate discharge at boiling point
1
without banking-up
2
Condensate flowrate at 30 K below
saturation temperature
3
Max. discharge capacity of
cold condensate
3
Parts Drawing
A
B
C
N
D
E
F
G
Fig. 2
4
H
I
J
K
L
M
Key
A
Union nut ¾" BSP
B
Gland ring
C
Packing
Cover
D
Adjusting screw
E
Guide ring
F
G
Regulator
H
Strainer
Bush (force-fit, no spare part)
I
Cover gasket 92.7 x 102 x 1
J
Body
K
Name plate
L
Hexagon nut M 12
M
Hexagon bolt M 12
N
5
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