Product Handbook 2026 - Volume 2

Steam traps Ball float

8

Pressure/temperature limits

Steam saturation curve

Pressure bar g

The product must not be used in this region. The product should not be used in this region or beyond its operating range as damage to the internals may occur.

Body design conditions

PN40

PMA Maximum allowable pressure

40 bar g @ 50 °C

TMA Maximum allowable temperature

400 °C @ 24 bar g

Minimum allowable temperature

-10 °C

PMO Maximum operating pressure for saturated steam service

31 bar g

TMO Maximum operating temperature

284 °C @ 28.5 bar g

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

0 °C

PMX Maximum differential pressures Size and model

FT54H-4 FT54V-4

FT54H-4.5 FT54V-4.5

FT54H-8 FT54V-8

FT54H-10 FT54V-10

FT54H-12 FT54V-12

FT54H-20 FT54V-20

FT54H-28 FT54V-28

FT54H-32 FT54V-32

DN15, DN20 and DN25

4 bar

-

8 bar

-

12 bar

20 bar

-

32 bar

DN40 and DN50

-

4.5 bar

-

10 bar

-

-

28 bar

-

Designed for a maximum cold hydraulic test pressure of:

60 bar g

Caution: The trap in its complete operational form must not be subjected to a pressure of greater than 48 bar otherwise damage to the internal mechanism may result.

8.5 140

TI-P603-01 CMGT Issue 6

Page 2 of 7

FT54 Carbon Steel Ball Float Steam Trap with Flanged Connections

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