Steam traps Ball float
8
Capacities
Differential pressure psi (x 6.9 = kPa)
101.5
130
870
899
21.7 29
43.5 58 72.5 87
116
145
290
435 580 725
2645
2204 1984 1763 1543 1322 1102
46 bar
881
661
62 bar
440
Differential pressure bar (x 100 = kPa)
Capacities shown above are based on condensate at saturation temperature . Under start-up conditions when condensate is cold the internal bi-metallic air vent will be open and provides additional capcaity to the main valve. The table below gives the minimum additional cold water capacities from the air vent on all sizes. Note: The air vent closing temperature range = 120 °C to 135 °C (248 °F to 275 °F). For differential pressures less than 1.5 bar g (22 psi g), the additional cold water capacity is minimal.
1.5 (22)
10 (145)
30 (435)
46 (667)
62 (899)
P in bar (psi)
8.5 115
FTS62
Minimum additional cold water capacity in kg/h (lb/h)
20 (44) 20 (44)
426 (939) 350 (772)
536 (1182) 440 (970)
800 (1764) 930 (2050)
46 bar version
800 (1764)
62 bar version
TI-P179-13 CMGT Issue 7
Page 7 of 9
FTC62 Carbon Steel Ball Float Steam Traps (DN15 to DN25)
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