Product Handbook 2026 - Volume 2

Steam traps Ball float

8

Standards This product fully complies with the requirements of the EU Pressure Equipment Directive/UK Pressure Equipment (Safety) Regulations and carries the mark when so required. Certification This product is available with certification to EN 10204 3.1. Note: All certification/inspection requirements must be stated at the time of order placement.

Sizes and pipe connections DN15, DN20, DN25, DN40 and DN50. Standard flanges are EN 1092 PN40 (formerly DIN 2501) with face-to-face dimensions in accordance with EN 26554 (series 1).

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 due to the limitations of the sensor.

Capsule The BP99 /32 capsule used in the air vent assembly is suitable for 150 ° C superheat @ 0 bar g and 50 ° C superheat @ 32 bar g.

Body design conditions

PN40

40 bar g @ 120 ° C

PMA Maximum allowable pressure

350 ° C @ 28 bar g

TMA Maximum allowable temperature

-10 ° C

Minimum allowable temperature

8.5 160

PMO Maximum operating pressure for saturated steam service

32 bar g

240 ° C @ 32 bar g

TMO Maximum operating temperature

0 ° C

Minimum operating temperature

Note: For lower operating temperatures consult Spirax Sarco.

IFT57H-4 IFTH-4.5 IFT57H-8 IFTH-10 IFT57H-12 IFT57H-20 IFTH-28 IFT57H-32 IFT57V-4 IFTV-4.5 IFT57V-8 IFTV-10 IFT57V-12 IFT57V-20 IFTV-28 IFT57V-32

Size

Model

Maximum differential pressures

DN15, DN20 and DN25

 PMX

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

Note: With internals fitted, test pressure must not exceed ∆PMX

TI-P615-03 CMGT Issue 6

Page 2 of 7

IFT57 SG Iron Ball Float Steam Trap with Integral Spiratec Sensor and Flanged Connections

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