Steam traps Swivel connectors and traps
8
Pressure/temperature limits (ISO 6552)
Pressure psi g
1363
0 145 290 435 580 725 870 1015 1160 1305 1450 1595 1740 1885 2030 2175 2320 932
500
The product should not be used in this region or beyond its operating range as damage to the internals may occur.
842
450
752
400
662
350
307
584.6
572
300
482
250
Steam saturation curve
392
200
302
150
212
100
122
50
32
0
0
10
20
30 40
50 60
70 80 90
100 110 120 130 140 150 160
8.9 22
Pressure bar g
94
Note: The model of pipeline connector and connections selected will dictate the maximum operating pressure and temperature of the complete assembly. Consult the specified Technical Information sheet as listed in 'Sizes and pipe connections' for relevant data. Body design conditions ASME Class 900 PMA Maximum allowable pressure 149.1 bar g @ 38 °C 2163 psi g @ 100 °F TMA Maximum allowable temperature 482 °C @ 86 bar g 900 °F @ 1245 psi g Minimum allowable temperature -40 °C -40 °F PMO Maximum operating pressure for saturated steam 94 bar g @ 307 °C 1363 psi g @ 584.6 °F TMO Maximum operating temperature 482 °C @ 86 bar g 900 °F @ 1245 psi g Minimum operating differential pressure 4 bar g 58 psi g Minimum operating temperature * 0 °C 32 °F PMX Maximum differential pressure 86 bar g 1245 psi g Designed for a maximum cold hydraulic test pressure of 224 bar g 3249 psi g
The USM90 is suitable for full vacuum condition. * Note: For lower operating temperatures consult Spirax Sarco
TI-P805-01 CMGT Issue 3
Page 2 of 6
USM90 Stainless Steel Bimetallic Steam Trap for use with 4-Bolt Pipeline Connector
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