Steam traps

Inverted bucket

A

E

D

C

F

E

Steam

saturation

curve

D

B, C

5.6.51

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

Pressure psi g

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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

DP of the selected IBV.

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Pressure bar g

Body design conditions

PMA - Maximum allowable pressure

TMA - Maximum allowable temperature

Minimum allowable temperature

ASME class 900

249 psi g @ 122°F

000°F @ 802 psi g

-20°F

1792 psi g

000°F @ 802 psi g

32°F

3375 psi g

ASME class 600

500 psi g @ 122°F

000°F @ 535 psi g

-20°F

1241 psi g

000°F @ 535 psi g

32°F

2249 psi g

ASME class 300

750 psi g @ 122°F

000°F @ 267 psi g

-20°F

661 psi g

000°F @ 267 psi g

32°F

1 124 psi g

ASME class 150

284 psi g @ 122°F

1000°F @ 80 psi g

-20°F

203 psi g

1000°F @ 80 psi g

32°F

426 psi g

Screwed

A-B-B and

Socket weld

A-C-C

ASME class 900

A-D-D

ASME class 600

A-E-E

ASME class 300

A-F-F

ASME class 150

155.1 bar g @ 50°C

2

538°C @ 55.3 bar g

1

-29°C

* PMO - Maximum operating pressure for saturated steam service 123.6 bar g

TMO - Maximum operating temperature

538°C @ 55.3 bar g

1

Minimum operating temperature

Designed for a maximum cold hydraulic test pressure of:

Body design conditions

0°C

232.7 bar g

PMA - Maximum allowable pressure

103.4 bar g @ 50°C

1

TMA - Maximum allowable temperature

538°C @ 36.9 bar g

1

Minimum allowable temperature

-29°C

* PMO - Maximum operating pressure for saturated steam service 85.6 bar g

TMO - Maximum operating temperature

538°C @ 36.9 bar g

1

Minimum operating temperature

Designed for a maximum cold hydraulic test pressure of:

Body design conditions

PMA - Maximum allowable pressure

TMA - Maximum allowable temperature

Minimum allowable temperature

0°C

155.1 bar g

51.7 bar g @ 50°C

538°C @ 18.4 bar g

1

-29°C

45.6 bar g

18.4 bar g

1

0°C

77.5 bar g

* PMO - Maximum operating pressure for saturated steam service

TMO - Maximum operating temperature

538°C @

Minimum operating temperature

Designed for a maximum cold hydraulic test pressure of:

Body design conditions

PMA - Maximum allowable pressure

TMA - Maximum allowable temperature

Minimum allowable temperature

19.6 bar g @ 50°C

538°C @ 5.5 bar g

-29°C

* PMO - Maximum operating pressure for saturated steam service

14 bar g

TMO - Maximum operating temperature

538°C @ 5.5 bar g

Minimum operating temperature

0°C

Designed for a maximum cold hydraulic test pressure of:

29.4 bar g

TI-P067-15 ST Issue 1

IBV Series Z Alloy Steel Inverted Bucket Vertical Steam Trap

Page 2 of 11

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