Steam traps Ball float
8
Materials
2
DN40 FT57H
11
1
8 9
7
Optional steam lock release
3
4
No.
Part
Material
1 2 3 4 5 6 7 8 9
Body
SG iron
EN-GJS-400-18U-LT
Cover
SG iron
EN-GJS-400-18U-LT
Cover gasket
Reinforced exfoliated graphite
Cover bolts
Steel
25 CrMo 4 (1.7218)
Valve seat
DN15-DN25
Stainless steel
X 22 CrNi 17 2 (1.4057)
Valve
DN15-DN25
Stainless steel
X 105 CrMo 17 (1.4125)
Valve seat
DN40-DN50
Stainless steel
X 22 CrNi 17 2 (1.4057)
Valve
DN40-DN50
Stainless steel
X 22 CrNi 17 2 (1.4057)
Main valve gasket
Exfoliated graphite
10
Ball float
Stainless steel
X 5 CrNi 18 10 (1.4301)
11
Note: All other internals are manufactured in stainless steel.
8.5 148
Dimensions/weights (approximate) in mm and kg Size A B C D
A
E
D
E Weight
DN15
150
48
126
151
119
7.5
B
DN20
150
53
126
151
119
8.0
DN25
160
58
126
151
119
8.5
C
DN40 DN50
230 75.5
192
208
168
27.0
230
83
192
208
168
28.0
FT57H DN15 - DN50
PMX - Maximum differential pressures Size and model
FT57H-4 FT57H-4.5 FT57H-8 FT57H-10 FT57H-12 FT57H-20 FT57H-28 FT57H-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
-
TI-P603-02 CMGT Issue 7
Page 2 of 5
FT57 SG Iron Ball Float Steam Trap with Flanged Connections
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