C

C

Steam

saturation

curve

B

A

Steam traps

Sealed

5.8.11

Pressure/temperature limits

450

400

300

200

100

B

A

0

0

20

40

60

80

100

Pressure bar g

The product must not be used in this region.

A-A

Screwed, butt weld, socket weld, flanged DIN 2547

PN100 and ANSI 600.

B-B Flanged ANSI 300.

C-C Flanged ANSI 150.

Body design conditions

PMA Maximum allowable pressure

TMA Maximum allowable temperature

Minimum allowable temperature

PMO

Maximum operating pressure for

saturated steam service

TMO Maximum operating temperature

Minimum operating temperature

PN100

100 bar g @ 37 °C

450 °C @ 54 bar g

-254 °C

60 bar g

450 °C @ 54 bar g

0 °C

Note: For lower operating temperatures consult Spirax Sarco

Capacities

Note: A trap should be selected for the most appropriate working pressure differential and not on the basis of load, e.g.: 80 kg / h at

7 bar differential should be handled with the SIB45 / 8 and not the SIB45 / 5.

PMX

Maximum differential

pressure

SIB45/10

SIB45/6

SIB45/5

4.5 bar

20.0 bar

45.0 bar

Designed for a maximum cold hydraulic test pressure of 150 bar g

PMX

PMX

SIB45/10

SIB45/8

Differential pressure bar (x 100 = kPa)

PMX

PMX

SIB45/6

SIB45/5

Page 2 of 3

TI-P110-02 CMGT Issue 7

SIB45 Stainless Steel Sealed Inverted Bucket Steam Trap

SIB45/8

SIB45/10

SIB45/6

SIB

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