FT43 Cast Iron Ball Float Steam Traps DN80 and DN100

FT43 Cast Iron Ball Float Steam Traps DN80 and DN100
Local regulations may restrict the use of this product to below the conditions quoted.
In the interests of development and improvement of the product, we reserve the right to change the specification without notice. © Copyright 2014
TI-S02-22
ST Issue 8
FT43
Cast Iron
Ball Float Steam Traps DN80 and DN100
Sizes and pipe connections
DN80 and DN100
Standard flange: EN 1092 PN16.
Flanges available on request: JIS 10, KS 10 and ASME 125.
1
10
9
4
8
5
Description
The FT43 is a cast iron bodied ball float steam trap having stainless
steel working internals and automatic air venting facility. It is
available with horizontal flanged connections only. If required, the
covers can be drilled and tapped " BSP or NPT for the purpose
of fitting drain cocks.
Standards
This product fully complies with the requirements of the
European Pressure Equipment Directive 97 / 23 / EC and carries
the
mark when so required.
Certification
This product is available with a manufacturer’s Typical Teat Report.
Note: All certification / inspection requirements must be specified
at the time of order placement.
Materials
No.Part
1 Body
Material
Cast iron
DIN 1691 GG 20
BS 4439 Gr. 8.8
2 Cover studs and nuts Steel
BS 3692 Gr. 8
3 Cover gasket
Reinforced exfoliated graphite
4 Cover
Cast iron
EN JL 1040
5 Main valve assembly Stainless steel BS 3146 Pt. 2 ANC 2
6 Main valve assembly Reinforced exfoliated graphite
gasket
Main valve assembly
7
Stainless steel
BS 6105 A4-80
studs and nuts
8 Ball float and lever
Stainless steel
BS 1449 304 S16
9 Air vent assembly
Stainless steel
10 Air vent seat gasket Stainless steel
BS 1449 409 S19
7
3
2
Pressure / temperature limits (ISO 6552)
Temperature °C
6
A
Steam
saturation
curve
C
Pressure bar g
B
The product must not be used in this region.
A -B Flanged EN 1092 PN16.
A -C Flanged ASME 125, JIS 10 and KS 10.
Body design conditions
PN16
PMA Maximum allowable pressure
16 bar g @ 120°C
TMA Maximum allowable temperature
220°C @ 12.1 bar g
Minimum allowable temperature
0°C
Maximum operating pressure
limited to DPMX
PMO for saturated steam service
TMO Maximum operating temperature
220°C @ 12.1 bar g
Minimum operating temperature
0°C
Note: For lower operating temperatures consult Spirax Sarco
FT43-4.54.5 bar
DPMX Maximum different pressure
FT43-10
10 bar
FT43-14 13 bar
Designed for a maximum cold hydrauic test pressure of 24 bar g
B
C
F
A
D
Capacities - DN80 and DN100
Size
DN80
DN100
Condensate kg /h
How to order
JIS / KS
10 ASME
B C D
A
A
E
F Weight
350 343 140 123 387 200 310
72
350 350 140 123 387 200 310
74
For full details see the Installation and Maintenance Instructions
(IM-S02-30) supplied with the product.
Installation note: The FT43 must be installed with the direction of
flow as indicated on the body, and with the float arm in a horizontal
plane so that it rises and falls vertically.
Disposal: This procuct is recyclable. Providing due care is taken
no ecological hazard is anticipated with its disposal.
PN16
A
350
352
Safety information and maintenance
E
Withdrawal distance
Dimensions / weights (approximate) in mm and kg
D
Differential pressure bar (x 100 = kPa)
Additonal cold water capacities from the thermostatic air vent
under start-up conditions
Capacities shown above are based on condensate at satutation
temperature. Under start-up conditions when the condensate is cold
the internal thermostatic air vent will be open and provides additional
capacity to the main valve. The following table gives the minimum
additional cold water capacities from the air vent.
Dp (bar)
0.51 2 34.57 1013
Size
Minimum additonal cold water capacity (kg / h)
DN80
1 080 1 200 1 240 1 340 1 400 2 000 2 600 3 200
DN100
Example: 1 off Spirax Sarco CDN100 FT43-4.5 ball float steam
trap flanged to EN 1092 PN16, with cast iron body and cover with
thermostatic air vent.
Spare parts
The spare parts available are shown in heavy outline. Parts drawn
in broken line are not supplied as spares.
Available spares
Main valve assembly
5, 6, 7
Ball float and lever
8
Air vent assembly
9, 10
Set of gaskets
3, 6, 10
Note: For a complete overhaul 2 x each spare is required, with the
exception of the gaskets and main valve assembly kit.
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.
Example: 1 - Air vent assembly for a Spirax Sarco DN80 FT43-45
ball float steam trap.
Dowel
Recommended tightening torques
or
Item
mm
2
24 A /F M16 x 45
7
13 A /F
M8 x 20
9
17 A /F
TI-S02-22 ST Issue 8
Nm
80 - 88
20 - 24
50 - 55
3 6
Air vent assembly
9
10
7
Main valve
assembly
5
2
FT43 Cast Iron Ball Float Steam Traps DN80 and DN100
8
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