Product Handbook 2026 - Volume 2

Steam traps Ball float

8

Capacities (in accordance with ISO 7842)

DN15, DN20 and DN25

DN40 and DN50







  





















   









    







  

     

Differential pressure bar (x 100 = kPa)

Differential pressure bar (x 100 = kPa)

Additional cold water capacities from thermostatic air vent under start-up conditions Under start-up conditions when the condensate is cold the internal thermostatic air vent will be open and provides additional capacity to the main valve. The Table below gives the minimum additional cold water capacities from the air vent. Minimum additional cold water capacities from the air vent (kg/h)  P (bar) 0.5 1 2 3 4 4.5 8 10 12 16 20 28 32 DN15, DN20 and DN25 460 680 900 1080 1 250 - 1 700 - 2 000 2 250 2 550 - 3 000 DN40 and DN50 460 680 900 1080 - 1 300 1 700 1 900 - 2 250 2 550 2 900 -

8.5 163

How to order Example: 1 off Spirax Sarco DN40 IFT57H-16 ball float steam trap with SG iron body and cover having an integral sensor (SSI) to identify steam leakage. Flanged connections to EN 1092 PN40. Trap to be fitted with the optional balance and drain connections.

TI-P615-03 CMGT Issue 6

Page 5 of 7

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

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