UK Product Handbook 2026 - Volume 2

Steam traps Inverted bucket

8

Pressure/temperature limits (ISO 6552) - Screwed, Socket weld and Flanged ASME (continued)

Pressure psi g

A

E

Steam saturation curve

-20 0

F

E

-29

Pressure bar g

The product must not be used in this region or beyond the parameter of the PMA or TMA of the relative end connection.

* Please note that the PMO is limited to the maximum D P of the selected IBV.

Body design conditions

ASME Class 900

PMA - Maximum allowable pressure

51.7 bar g @ 38 °C

750 psi g @ 100 °F

TMA - Maximum allowable temperature

538 °C @ 18.4 bar g

1 000 °F @ 265 psi g

Minimum allowable temperature

-29 °C

-20 °F

ASME Class 300

* PMO - Maximum operating pressure for saturated steam service TMO - Maximum operating temperature for saturated steam service

A-E-E

45.6 bar g @ 259 °C

661 psi g @ 499 °F

5.6.66

259 °C @ 45.6 bar g

499 °F @ 661 psi g

Designed for a maximum cold hydraulic test pressure of:

77.5 bar g

1 125 psi g

PMA - Maximum allowable pressure

19.6 bar g @ 38 °C

290 psi g @ 100 °F

TMA - Maximum allowable temperature

538 °C @ 1.4 bar g

1 000 °F @ 20 psi g

Minimum allowable temperature

-29 °C

-20 °F

ASME Class 150

8.6 73

* PMO - Maximum operating pressure for saturated steam service TMO - Maximum operating temperature for saturated steam service

A-F-F

13.8 bar g @ 197 °C

200 psi g @ 387 °F

197 °C @ 5.5 bar g

387 °F @ 80 psi g

Designed for a maximum cold hydraulic test pressure of:

29.7 bar g

435 psi g

TI-P067-15 CMGT Issue 5

Page 5 of 17

IBV Series Z Alloy Steel Inverted Bucket Vertical Steam Trap

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