Product Handbook 2026 - Volume 2

Steam traps Swivel connectors and traps

8

Pressure/temperature limits (ISO 6552)

Pressure psi g

0

145

290

435

580

719

32 -22 212 392 572 797 752

Steam saturation curve

-30

Pressure bar g

The product must not be used in this region. Note: The model of pipeline connector and connections selected will dictate the maximum operating limits of the complete assembly. Reference the specific pipeline connector Technical Information sheet as detailed in 'Pipeline connector options'.

Body design conditions

ASME 300

PMA Maximum allowable pressure

49.6 bar g @ 38 °C (719 psi g @ 100 °F)

TMA Maximum allowable temperature

425 °C @ 28 bar g (797 °F @ 406 psi g)

Minimum ambient temperature

-30 °C

(-22 °F)

PMO Maximum operating pressure for saturated steam service

32 bar g

(464 psi g)

TMO Maximum operating temperature

425 °C @ 28 bar g (797 °F @ 406 psi g)

Minimum operating temperature Note: For lower operating temperatures consult Spirax Sarco

5.9.46

0 °C

(32 °F)

Designed for a maximum cold hydraulic test pressure of

75 bar g

(1088 psi g)

(435 psi) UIB30/4 (290 psi) UIB30/5

UIB30H/5 UIB30H/6 UIB30H/7 UIB30H/8

30.0 bar

20.0 bar

(174 psi) UIB30/6

12.0 bar

(123 psi) UIB30/7

8.5 bar

UIB30H/10

5.0 bar

(72.5 psi)

D PMX Maximum differential pressure

8.9 69

(58 psi) UIB30/8

4.0 bar

(36.3 psi) UIB30/10

2.5 bar

UIB30H/12

2.0 bar

(29.0 psi)

(21.8 psi) UIB30/12

1.5 bar

TI-P113-01 CMGT Issue 11

Page 3 of 6

UIB30 and UIB30H Sealed Inverted Bucket Steam Traps (for use with Pipeline Connectors)

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