A
Steam traps
Ball float
Steam
saturation
curve
D
C
B
5.5.69
A
D
D
Pressure / temperature limits
A - B
A - C
A - D
The product must not be used in this region.
Flanged EN 1092 PN40, ASME 300.
Flanged JIS/KS 20K.
Flanged ASME 150.
Pressure bar g
Body design conditions
PN40
40 bar g @ 100 °C
300 °C
-10 °C
32 bar g @ 239 °C
300 °C @ 27.5 bar g
-10 °C
4.5 bar
10 bar
21 bar
32 bar
60 bar g
48 bar g
F
Weight
310
95
310
97
B
C
E
Withdrawal
distance
PMA Maximum allowable pressure
TMA Maximum allowable temperature
Minimum allowable temperature
PMO Maximum operating pressure for saturated steam service
TMO Maximum operating temperature
Minimum operating temperature
Note: for lower operating temperatures consult Spirax Sarco
DPMX Maximum differential pressure
FT44-4.5
FT44-10
FT44-21
FT44-32
Designed for a maximum cold hydraulic test pressure of :
Note: With internals fitted, test pressure must not exceed :
Dimensions / weights (approximate) in mm and kg
Size
DN80
DN100
ASME 150 ASME 300
PN40
JIS/KS 20K
A
A
A
A
B
C
123
123
D
E
390
200
390
200
343
350
362
353
366
350
350
350
140
140
F
Page 2 of 4
TI-S02-23 CMGT Issue 13
FT44 Cast Steel Ball Float Steam Traps DN80 and DN100
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