FT432CHe.P65
TIS 2.309.2 CHe
SPIRAX SARCO AG Gustav-Maurer-Str. 9 CH-8702 Zollikon ZH
Telephone 044 396 80 00 Telefax 044 396 80 10 www.SpiraxSarco.ch
Optional extras
As an alternative the ball float steam traps with automatic airvent
(TV) can be supplied with an additional manually adjustable needle
valve (C) for applications where traps are subject to steam locking.
Type designation FT43-C (combined).
Other types
Flanged Ball Float Steam Traps in Cast iron, SG iron, Cast steel and
Stainless steel, see separate Data sheets.
How to fit main valve assembly
Unscrew support, pivot frame and valve seat. Using a little jointing
paste on the thread and gasket, fit the valve seat to the body.
Attach the support frame E and pivot frame F to the body with
assembly set screws D but do not tighten.
Fit the float arm C to the pivot frame F using the pin G and, by moving
the complete assembly, centre the valve head onto the seat orifice.
Tighten the assembly set screws D.
How to fit air vent assembly (TV) 0-21 bar
Remove spring clip, element, spacer plate and unscrew seat. Screw
in new seat and assemble spacer plate and element, making sure
the 3 raised peaks on the spacer plate are facing the element.
Servicing
With suitable isolation, repairs can be carried out with the trap in the
line. When reassembling make sure that all joint faces are clean and
the dowel locates in the cover.
Spare parts
Main valve assembly with float 4.5 bar A, B, C, D, E, F, G
Main valve assembly with float 10 bar A, B, C, D, E, F, G
Main valve assembly with float 14 bar A, B, C, D, E, F, G
Air vent assembly (TV) H, J, L, M, N
Steam lock release unit (C) O, P, R, S
Three complete sets of gaskets B, P, R, T
Set of cover bolts and nuts U
Always order spares by using the description given in the column
headed and stating the type and size of the trap.
The spare parts available are shown in heavy outline. Parts drawn
in broken line are not supplied as spares.
Tightening torques
Part Wrench Bolt size Torque
size Nm
Cover bolts U 17 M10 x 30 33
Bypass valve O 22 40-45
Air vent J 17 50-55
Valve seat A 17 50-55
Main valve
assembly bolts D M5 x 20 2.5-2.8
A
SW 17 (35/40 Nm)
SW 21 (40/45 Nm)
12
Airvent Assembly TV
Bypass-Assembly (C)
Main Valve Assembly
SW 17 (29/33 Nm)
O
P
RS
N
MH
J
TB
GEFD
U
FT 43 C
13
11
L
Classification according to the Pressure Equipment
Directive 97/23/EC
Application: Fluids of group 2 only
Dimension Category CE Marking
DN 25 SEP Art.3, par.3,
Sound Engineering Practices
CE marking not allowed