Spirax Sarco FT44 - Page 9

IM-S02-30 CMGT Issue 14
9
FT43, FT44, FT46 and FT47 Ball Float Steam Traps
Pressure bar g
D
B
A
C
Steam saturation curve
The product must not be used in this region.
A - B Flanged EN 1092 PN16.
A - C Flanged ASME 125.
A - D
Flanged JIS/KS 10
*
Body design conditions PN16
PMA Maximum allowable pressure 16 bar g @ 120 °C (232 psi g @ 248 °F)
TMA Maximum allowable temperature 220 °C @ 12.1 bar g (428 °F @ 175 psi g)
Minimum allowable temperature 0 °C (32 °F)
PMO
Maximum operating pressure for saturated
steam service
13 bar g @ 195 °C (188 psi g @ 383 °F)
Note: The DN40 and DN50 traps are limited to a PMO equal to DPMX
TMO Maximum operating temperature 220 °C @ 12.1 bar g (428 °F @ 175 psi g)
Minimum operating temperature 0 °C (32 °F)
Note: For lower operating temperatures consult Spirax Sarco
DPMX
Maximum differential pressure
FT43- 4.5 4.5 bar (65 psi)
FT43-10 10 bar (145 psi)
FT43-14 13 bar (188 psi)
Designed for a maximum cold hydraulic test pressure of: 24 bar g (348 psi g)
Note: With internals fitted, test pressure must not exceed DPMX
Pressure/temperature limits
Temperature °C
Pressure psi g
Temperature °F