Steam traps Ball float
8
FTC23 - Pressure/temperature limits (ISO 6552) Carbon steel body with Stainless steel cover Flanged ASME 150 and Flanged ASME 300
Pressure psi g
B
Steam saturation curve
C
B
Pressure bar g
The product must not be used in this region or beyond the parameter of the PMA or TMA of the relative end connection. B - B Flanged ASME 300 B - C Flanged ASME 150
Body design conditions
ASME 150 or ASME 300
ASME 300
50 bar g @ 50 °C 725 psi g @ 122 °F
PMA Maximum allowable pressure
ASME 150
19.6 bar g @ 38 °C 284 psi g @ 100 °F
ASME 300
425 °C @ 28.8 bar g
797 °F @ 417 psi g
TMA Maximum allowable temperature
ASME 150
425 °C @ 5.5 bar g
797 °F @ 79 psi g
Minimum allowable temperature
-10 °C
14 °C
FTC23-07 7 bar g @ 425 °C 102 psi g @ 797 °F FTC23-23 23 bar g @ 425 °C 334 psi g @ 797 °F 7 bar g @ 386 °C 102 psi g @ 726 °F FTC23-23 13 bar g @ 194 °C 188 psi g @ 381 °F FTC23-07
ASME 300
PMO Maximum operating pressure
ASME 150
8.5 135
ASME 300
425 °C @ 28.8 bar g
797 °F @ 417 psi g
TMO Maximum operating temperature
ASME 150
425 °C @ 5.5 bar g
797 °F @ 79 psi g
Minimum operating temperature Note : For lower operating temperatures consult Spirax Sarco
0 °C
32 °F
FTC23-07
7 bar
102 psi
DPMX Maximum differential pressure
FTC23-23
23 bar
334 psi
ASME 300
75 bar g
1 088 psi g
Designed for a maximum cold hydraulic test pressure of:
ASME 150
30 bar g
435 psi g
Please note that the trap in its complete operational form must not be subjected to pressures greater than 40 bar g (580 psi g) as damage to the internals may occur.
TI-P605-01 CMGT Issue 3
Page 7 of 10
FTS23 Stainless Steel Body and Cover FTC23 Carbon Steel Body with Stainless Steel Cover Ball Float Steam Traps
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