IM-P068-25 ST Issue 2 7
The product must not be used in this region.
Pressure bar g
Temperature °C
Body design conditions PN63
PMA Maximum allowable pressure 63 bar g @ 100°C (913 psi g @ 212°F)
TMA Maximum allowable temperature 400°C @ 42 bar g (752°F @ 609 psi g)
Minimum allowable temperature 0°C (32°F)
PMO
Maximum operating pressure
42 bar g @ 400°C (609 psi g @
752°F)
for saturated steam service
TMO Maximum operating temperature 400°C @ 42 bar g (752°F @ 609 psi g)
Minimum operating temperature 0°C (32°F)
Note: For lower operating temperatures consult Spirax Sarco.
PMX Maximum differentail pressure 63 bar (913 psi)
PMOB Maximum operating backpressure should not exceed 80% of the upstream pressure
Minimum operating differential
0.25 bar (3.6 psi)
pressure for satisfactory operation
Designed for a maximum cold hydraulic test pressure of: 95 bar g (1 377 psi g)
Steam
saturation
curve
2.3 Pressure / temperature limits
(ISO 6552)
Temperature °
F
Pressure psi g
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