Steam traps Ball float
8
FTS23 - Pressure/temperature limits (ISO 6552) Stainless steel body and cover Flanged PN40
Pressure psi g
0
145
290
435
580
797 572 392 212
752
A
Steam saturation curve
32 14
A
Pressure bar g
The product must not be used in this region.
A - A Flanged PN40
Body design conditions
PN40
PMA Maximum allowable pressure
40 bar g @ 0 °C
580 psi g @ 32 °F
TMA Maximum allowable temperature
425 °C @ 21.7 bar g
797 °F @ 315 psi g
Minimum allowable temperature
-10 °C
14 °F
FTS23-07 7 bar g @ 425 °C 102 psi g @ 797 °F FTS23-23 23 bar g @ 350 °C 334 psi g @ 662 °F
PMO Maximum operating pressure
TMO Maximum operating temperature
425 °C @ 21.7 bar g
662 °F @ 315 psi g
Minimum operating temperature Note : For lower operating temperatures consult Spirax Sarco
0 °C
32 °F
FTS23-07
7 bar
102 psi
D PMX Maximum differential pressure
FTS23-23
23 bar
334 psi
Designed for a maximum cold hydraulic test pressure of:
60 bar g
870 psi
8.5 132
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 4 of 10
FTS23 Stainless Steel Body and Cover FTC23 Carbon Steel Body with Stainless Steel Cover Ball Float Steam Traps
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