Flowserve MK 45 User Manual
GESTRA
GESTRA Steam Systems
MK 45
MK 45A
Installation Instructions 810348-06Steam Traps
Steam Traps
MK 45, MK 45A
1
Contents
Page
Important Notes
Usage for the intended purpose ............................................................................................................ 7
Safety note ........................................................................................................................................... 7
Danger ................................................................................................................................................. 7
Rating pursuant to article 9 of the PED ................................................................................................. 7
Explanatory Notes
Scope of supply...................................................................................................................................... 8
Description............................................................................................................................................. 8
Function ................................................................................................................................................. 8
Technical data MK 45 ............................................................................................................................ 9
Technical data MK 45A ........................................................................................................................ 10
Name plate MK 45 ............................................................................................................................... 11
Name plate MK 45A ............................................................................................................................. 11
Installation
MK 45, MK 45A .................................................................................................................................... 12
Design with flanges.............................................................................................................................. 12
Design with screwed-sockets ............................................................................................................. 12
Design with socket-weld ends ............................................................................................................ 13
Design with butt-weld ends................................................................................................................. 13
Check capsule ....................................................................................................................................... 5
Heat treatment of welds ....................................................................................................................... 13
Maintenance
Check steam trap ................................................................................................................................. 13
Check capsule ....................................................................................................................................... 5
Clean / exchange capsule and nozzle seat ........................................................................................... 14
Clean / exchange strainer..................................................................................................................... 14
Torques................................................................................................................................................ 15
Spare Parts
Spare parts list ..................................................................................................................................... 15
2
Capacity Chart
[lb/h]
Capacity
[kg/h]
0.1 0.3 0.6 1 3 6 10
0.2 0.4 0.8 2 4 8 22
1
2
3
4
[bar]
[psi]
Fig. 1
∆PMX
Max. flowrate of cold condensate
11
1
11
for MK 45-2, MK 45A-2.
Max. flowrate of cold condensate
22
2
22
for MK 45-1, MK 45A-1.
Max. flowrate of hot condensate
33
3
33
for MK 45-2, MK 45A-2.
Max. flowrate of hot condensate
44
4
44
for MK 45-1, MK 45A-1.
3
Design
A
B
C
D
E
F
G
H
o o
p
I
2
2
p
J
K
L
Fig. 2
4
Checking of Capsule
Capsule o for nozzle insert with tandem seat p: 5 N 1, 5 U 1
Capsule intact Capsule defective
≥ 3.2 mm
Capsule o for nozzle insert with single seat p: 5 N 2, 5 U 2
2
2
Capsule intact Capsule defective
≥ 4.4 mm
M N O
≤ 2.6 mm
≤ 3.8 mm
Fig. 3
P
5
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