UK Product Handbook 2026 - Volume 2

Steam traps Inverted bucket

8

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

Pressure psi g

A

D

B

Steam saturation curve

-20 0

D

B

-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

155.1 bar g @ 38 °C

2 250 psi g @ 100 °F

TMA - Maximum allowable temperature

538 °C @ 55.3 bar g

1 000 °F @ 800 psi g

Screwed and Socket weld ASME Class 900

Minimum allowable temperature

-29 °C

-20 °F

5.6.65

A-B-B

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

123 bar g @ 327 °C

1 784 psi g @ 622 °F

327 °C @ 123 bar g

622 °F @ 1784 psi g

Designed for a maximum cold hydraulic test pressure of:

232.6 bar g

3 375 psi g

PMA - Maximum allowable pressure

103.4 bar g @ 38 °C

1 500 psi g @ 100 °F

TMA - Maximum allowable temperature

538 °C @ 36.9 bar g

1 000 °F @ 535 psi g

8.6 72

Minimum allowable temperature

-29 °C

-20 °F

ASME Class 600

A-D-D

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

85.6 bar g @ 300 °C

1 241 psi g @ 573 °F

300 °C @ 85.6 bar g

573 °F @ 1241 psi g

Designed for a maximum cold hydraulic test pressure of:

155.1 bar g

2 250 psi g

Pressure/temperature limits continued on next page

TI-P067-15 CMGT Issue 5

Page 4 of 17

IBV Series Z Alloy Steel Inverted Bucket Vertical Steam Trap

Powered by