Spirax Sarco FT44 - Page 23

IM-S02-30 CMGT Issue 14
23
FT43, FT44, FT46 and FT47 Ball Float Steam Traps
65 10
7
8
11
9
26
6
5 7
8
12
Main valve assembly with float
(DN15, DN20 and DN25)
Main valve assembly
(DN40 and DN50)
Capsule air vent assembly
17
18
How to fit the main valve assembly for DN40 and DN50:
-
Unscrew the 4 bolts or nuts (7).
-
Remove the main valve assembly (5) and gasket (6).
-
Ensure the gasket faces are clean and dry.
-
Fit the new gasket (6) and the main valve assembly (5), including the baffle plate.
-
Tighten the bolts or nuts (7) evenly (see Table 1 for recommended tightening torques).
How to fit the capsule air vent
assembly for DN15 to DN100:
-
Remove the spring clip, capsule, spacer plate,
unscrew the seat and remove the frame (17)
and gasket (18).
-
Ensure the gasket faces are clean and dry.
-
Fit the new gasket (18), the frame and seat
(17) and tighten to the recommended torque
(see Table 1).
-
Assemble the new spacer plate, capsule and
clip.
How to fit the bimetallic air vent
assembly for DN15 to DN100:
-
Unscrew and remove the element assembly (17)
and gasket (18).
-
Ensure the gasket faces are clean and dry.
-
Fit the new gasket (18) and element assembly
(17) and tighten to the recommended torque
(see Table 1).