Steam traps Ball float
8
Spare parts The spare parts available are shown in solid outline. Parts drawn in grey line are not supplied as spares. Available spares Main valve assembly complete with ball float (DN25 horizontal traps) *
5 , 6 , 7 , 8 , 9, 10, 11
Main valve assembly with erosion deflector (DN40 and DN50) (specify horizontal or vertical trap) **
5 , 6 , 7 , 12, 26
8
Ball float (DN40 and DN50)
17, 18
Air vent assembly
17, 18, 19, 20, 21
Manually adjustable needle valve and air vent assembly
3 , 6 , 20
Complete set of gaskets (packet of 3)
* On horizontal traps the erosion deflector on the DN25 is pressed into the body during manufacture and not available as a spare. ** There is no erosion deflector on vertical traps. How to order spares Always order spares by using the description given in the column headed 'Available spares' and state the size and type of trap, including pressure range and orientation i.e. horizontal or vertical connections. Example: 1 - Air vent assembly for a Spirax Sarco DN25 FT43-4.5 ball float steam trap, with horizontal connections.
Steam lock release assembly 19 + 21
Dowel
3
18 Air vent assembly 17
2
20
2
12
8
6 5 10
7 11 9 Main valve assembly with float (DN25)
8.5 69
Main valve assembly (DN40 and 50) (horizontal assembly shown) 6 26 5 7 8
Recommended tightening torques
or mm
Item Part
N m
DN25 DN40 DN50 DN25 DN25 DN40 DN50
17 A/F 19 A/F 24 A/F
M10 x 30 M12 x 60 M16 x 70
29 - 33 60 - 66 80 - 88 50 - 50 2.5 - 2.8 10 - 12 20 - 24 50 - 55 50 - 55
2
5
M5 x 20 M6 x 20 M8 x 20
7
10 A/F 13 A/F 17 A/F 22 A/F
17 19
TI-S02-21 CMGT Issue 14
Page 7 of 7
FT43 Cast Iron Ball Float Steam Trap DN25 to DN50
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