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.

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

Note: For lower operating temperatures consult Spirax Sarco.

PN40

40 bar g @ 120°C

350°C @ 28 bar g

-10°C

32 bar g

240°C @ 32 bar g

0°C

Maximum

PMX differential

Size

Model

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

5.5.110

pressures DN15,DN20andDN25

DN40 and DN50

4bar

-

-

4.5 bar

8bar

-

-

10 bar

12bar

20bar

-

-

-

28 bar

32bar

-

60 bar g

Steam traps

Ball float

T

e

m

p

e

r

a

t

u

r

e

°

C

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.

Designed for a maximum cold hydraulic test pressure of:

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

Dimensions/weights (approximate) in mm and kg

IFT57H

Size

A

B

C

D

E

Weight

DN15

150

48

126

151

119

7.5

DN20

150

53

126

151

119

8.0

DN25

160

58

126

151

119

8.5

DN40

230

75.5

192

208

168

27.0

DN50

230

83

192

208

168

28.0

IFT57H

DN15 to DN50

D

A

B

D

F

B

C

TI-P615-03 ST Issue 5

A

G

E Withdrawal distance

E Withdrawal distance

IFT57 SG Iron Ball Float Steam Trap

Page 3 of 6

with Integral Spiratec Sensor and Flanged Connections

IFT57V

Size

A

B

D

E

F

G Weight

DN15

150

48

214

119

96

175

7.5

DN20

150

53

214

119

106

175

8.0

DN25

160

58

221

119

116

175

8.5

DN40

230 75.5 312

168

151

255 29.0

DN50

230

83

312

168

166

255 30.0

IFT57V

DN15 to DN50