Product Handbook 2026 - Volume 2

Steam traps Inverted bucket

8

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

Pressure psi g

B

A

D

Steam saturation curve

D

B

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 (PS) is limited to the maximum D P of the selected IBV.

Body design conditions

ASME Class 900

PMA - Maximum allowable pressure

153.2 bar g @ 38 °C 2 222 psi g @ 100 °F

TMA - Maximum allowable temperature

425 bar g @ 86.3 °C 800 °F @ 1 235 psi g

Screwed and Socket weld ASME Class 900

Minimum allowable temperature

-46 °C

-50 °F

A-B-B

* PMO (PS) - Maximum operating pressure for saturated steam service

116.3 bar g

1 687 psi g

TMO (TS) - Maximum operating temperature for saturated steam service

323 °C @ 112.7 bar g

613 °F @ 1 635 psi g

Designed for a maximum cold hydraulic test pressure of:

229.8 bar g

3 330 psi g

PMA - Maximum allowable pressure

102.1 bar g @ 38 °C 1 480 psi g @ 100 °F

8.6 54

TMA - Maximum allowable temperature

425 °C @ 57.5 bar g

800 °F @ 825 psi g

Minimum allowable temperature

-46 °C

-50 °F

ASME Class 600

A-D-D

* PMO (PS) - Maximum operating pressure for saturated steam service

79.9 bar g

1 159 psi g

TMO (TS) - Maximum operating temperature for saturated steam service

295 °C @ 75.1 bar g

564 °F @ 1 089 psi g

Designed for a maximum cold hydraulic test pressure of:

153.1 bar g

2 220 psi g

TI-P067-13 CMGT Issue 4

Page 4 of 17

IBV Series C-LF2 Carbon Steel Inverted Bucket Vertical Steam Trap

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