Flowserve UNA 14 User Manual
GESTRA
GESTRA Steam Systems
UNA 14
UNA 16
UNA 16A (Stainless Steel)
UNA 14P
Installation Instructions 810877-01
Steam Traps UNA 14, UNA 16, UNA 16A
Air Trap for Compressed Air and Gases UNA 14P
1
Contents
Page
Important Notes
Usage for the intended purpose ............................................................................................................. 8
Safety note ............................................................................................................................................ 8
Danger ................................................................................................................................................... 8
Classification pursuant to article 9 of the Pressure Equipment Directive (PED) ..................................... 9
Explanatory Notes
Scope of supply ..................................................................................................................................... 9
Description .......................................................................................................................................... 10
Function............................................................................................................................................... 10
Technical data ............................................................................................................................... 11, 12
Corrosion resistance ............................................................................................................................ 13
Sizing................................................................................................................................................... 13
Name plate/marking ........................................................................................................................... 13
Installation
UNA 14, UNA 16, UNA 16A, UNA 14P ...................................................................................................13
Flanged design .................................................................................................................................... 13
Screwed-socket design ...................................................................................................................... 14
Socket-weld design ............................................................................................................................ 14
Butt-weld design ................................................................................................................................14
Heat treatment of welds ...................................................................................................................... 15
Change direction of flow ...................................................................................................................... 15
Air balance pipe................................................................................................................................... 15
Hand vent valve (optional extra) .......................................................................................................... 16
Float-lifting lever (optional extra) ........................................................................................................ 16
Commissioning
UNA 14, UNA 16, UNA 16A, UNA 14P ................................................................................................... 16
Maintenance
Clean trap ............................................................................................................................................ 17
Clean/replace control unit.................................................................................................................... 17
Clean/replace control unit (only DUPLEX design) ................................................................................. 18
Torques ............................................................................................................................................... 18
Spare Parts
Spare parts list .................................................................................................................................... 19
2
Capacity Charts UNA 14, UNA 16, UNA 16A
1 2 3
Fig. 1
Orifice 4, DN 15 - 25, ½" - 1"
1
Orifice 13, DN 15 - 25, ½" - 1"
2
Orifice 22, DN 15 - 25, ½" - 1" (only UNA 16)
3
3
Capacity Chart UNA 14P
lb/h kg/h
2000
1000
800
600
500
400
300
200
100
Capacity of cold condensate [kg/h]
1000
800
600
500
400
300
200
100
80
60
50
80
60
40
30
0.1 0.2 0.4 0.6 1 2 3 4 5 6 8 10 16
4
bar
0.3 0.5 0.8
4
Fig. 2
1 2 3 4 6 8 10 20 30 40 60 80 100 200
Differential pressure (assuming discharge to atmospheric pressure)
Max. capacity of cold condensate
4
from liquids or gases.
psi
Design
B
P
A
Fig. 3
L
O
M
K
C
N
D
F
G
H
I
H
G
J
5
Maintenance
Fig. 4
A
L
M
N
L
M
N
Fig. 5
6
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