Spirax Sarco DP143 - Page 9

IM-P006-07 CTLS Issue 12
9
0 10 18.9 26 30 36.4 40
0
50
100
150
200
250
Pressure bar g
Temperature °C
2.2.3 Pressure/temperature limits
A B D
G EC
F
Steam
saturation
curve
The product must not be used in this region.
A-D-E Flanged EN 1092 PN40, BS 10 Table J and ASME 300.
A-B-C Flanged ASME 150.
F-G DP163G limited to 120 °C @ 26 bar g.
Note: Two colour coded pressure adjustment springs are available for the following downstream
pressure ranges:
Red 0.2 bar g to 17 bar g
Grey 16.0 bar g to 21 bar g
Yellow 0.2 bar g to 3.0 bar g (DP163Y only)
Body design conditions PN40
Maximum design pressure
A-D-E 36.4 bar g @ 20 °C
A-B-C 18.9 bar g @ 20 °C
Maximum design temperature 250 °C @ 24 bar g
Minimum design temperature -10 °C
Maximum upstream pressure for saturated steam service
A-D-E 25 bar g
A-B-C 14 bar g
Maximum operating temperature
A-D-E 250 °C @ 24 bar g
A-B-C 250 °C @ 12.1 bar g
Minimum operating temperature
Note: For lower operating temperatures consult Spirax Sarco.
0 °C
Maximum differential pressure
A-D-E 25 bar
A-B-C 14 bar
Designed for a maximum cold hydraulic test pressure of: 60 bar g
Note: With internals fitted, test pressure must not exceed: 40 bar g