Spirax Sarco TD42 - Sizes and Pipe Connections; Pressure and Temperature Limits

IM-P068-24 ST Issue 56
2.2 Sizes and pipe connections
TD42 ", ½"LC, ½" and ¾" screwed BSP or API
TD42A ", ½"LC, and ½" screwed BSP (BS 21 parallel) or API
TD42H ½", ¾" and 1" screwed BSP or NPT
TD42L ", ½", ¾" and 1" screwed BSP or NPT
TD42HA ½" screwed BSP or NPT
TD42LA ", ½", ¾" and 1" screwed BSP or NPT
TD42LCA ½" screwed BSP
2.3 Pressure / temperature limits (ISO 6552)
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Pressure bar g
The product must not be used in this region.
For optimum product performance the PMO should not exceed 42 bar g.
A - C TD42L and TD42H
B - C TD42LA and TD42HA
Body design conditions PN63
PMA Maximum allowable pressure 63 bar g @ 100
°C (914 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 (609 psi g)
TMO
Maximum operating
TD42L and TD42H 400°C @ 42 bar g (752°F @ 609 psi g)
temperature
TD42LA and TD42HA 255°C @ 42 bar g (491°F @ 609 psi g)
Minimum operating temperature 0°C (32°F)
Minimum inlet pressure
TD42L and TD42H 0.25 bar g (4 psi g)
for satisfactory operation
TD42LA and TD42HA 0.80 bar g (12 psi g)
PMOB Maximum operating backpressure should not exceed 80% of the upstream pressure
Designed for a maximum cold hydraulic test pressure of: 95 bar g (1378 psi g)
Temperature °C
Steam
saturation
curve
A
B
C
Pressure psi g
Temperature °F