Carbon steel body with
Stainless steel cover
A
Steam
saturation
curve
A
The product must
not be used in this
region.
A - A
Pressure bar g
Flanged PN40
FTC23-07
FTC23-23
Body design conditions
PMA Maximum allowable pressure
TMA Maximum allowable temperature
Minimum allowable temperature
PMO Maximum operating pressure
PN40
40 bar g @ 200°C
425°C @ 22.8 bar g
-10°C
7 bar g @ 425°C
23 bar g @ 425°C
425°C @ 22.8 bar g
0°C
7 bar
23 bar
60 bar g
TMO Maximum operating temperature
Minimum operating temperature Note: For lower operating temperatures consult Spirax Sarco
DPMX Maximum differential pressure
Designed for a maximum cold hydraulic test pressure of:
FTC23-07
FTC23-23
Please note that the trap in its complete operational form must not be subjected to pressures greater
than 40 bar g as damage to the internals may occur.
Carbon steel body with
Stainless steel cover
Pressure psi g
The product must
not be used in this
region or beyond
the parameter of
the PMA or TMA of
the relative end
connection.
ASME 150 or ASME 300
725 psi g @ 122°F
284 psi g @ 100°F
797°F @ 417 psi g
797°F @ 79 psi g
14°C
101 psi g @ 797°F
333 psi g @ 797°F
101 psi g @ 726°F
188 psi g @ 381°F
797°F @ 417 psi g
797°F @ 79 psi g
32°F
101.5 psi
333.5 psi
1087.5 psi g
435 psi g
B
Steam
saturation
curve
and
C
B - B
B - C
Flanged ASME 300
Flanged ASME 150
ASME 300
ASME 150
ASME 300
ASME 150
ASME 300
ASME 150
ASME 300
Pressure bar g
Body design conditions
PMA Maximum allowable pressure
50barg@50°C
19.6 bar g @ 38°C
425°C @ 28.8 bar g
425°C @ 5.5 bar g
-10°C
7 bar g @ 425°C
23 bar g @ 425°C
7 bar g @ 386°C
13 bar g @ 194°C
425°C @ 28.8 bar g
425°C @ 5.5 bar g
0°C
7 bar
23 bar
75 bar g
30 bar g
TMA Maximum allowable temperature
Minimum allowable temperature
PMO Maximum operating pressure
TMO Maximum operating temperature
FTC23-07
FTC23-23
FTC23-07
FTC23-23
ASME 150
Minimum operating temperature Note: For lower operating temperatures consult Spirax Sarco
DPMX Maximum differential pressure
Designed for a maximum cold hydraulic test pressure of:
FTC23-07
FTC23-23
ASME 300
ASME 150
B
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.
FTS23 Stainless Steel Body and Cover
FTC23 Carbon Steel Body with Stainless Steel Cover Ball Float Steam Traps
Page 3 of 5
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