Cast Steel Float & Thermostatic Steam Traps FTB Super Capacity Series

Cast Steel Float & Thermostatic Steam Traps FTB Super Capacity Series
Cast Steel Float & Thermostatic Steam Traps
FTB Super Capacity Series
The trap contains a Model FTB-125 FTB-200
float valve mechanism which moduPMO 125 psig
200 psig
lates to discharge
condensate conSizes
2-1/2"
tinuously at steam
temperature. NonConnections
NPT, SW
condensible gases
are released by a
Cast Steel Body
Construction
separate internal
Stainless Steel valve head & seat,
balanced pressure
Mechanism housing
thermostatic air
vent.
Options
Bimetal Air Vent
Typical Applications
All process heat exchange equipment,
particularly when controlled by modulating temperature control valves; unit heaters and air heating coils.
Construction Materials
No. Part 1 Body
Material
Cast Steel
ASTM A216 WCB
2 Cover Screws
Carbon Steel
ASTM A449 Type 1
3 Cover Gasket
Graphite
4 Cover
Cast Steel
ASTM A216 WCB
5 Valve Seat
Stainless Steel
6 Valve Assembly Gasket Graphite
7 Main Valve
Stainless Steel Assembly Screws
8 Ball Float
Stainless Steel
9 Air Vent Assembly
Stainless Steel
Air Vent Head
Stainless Steel
Air Vent Seat
Stainless Steel
15 Main Valve Assy Housing Stainless Steel
16 Pivot Pin
Stainless Steel
17 Valve Head
Stainless Steel (FTB-175)
Cast Stainless Steel (FTB-125)
18 Float Arm
Stainless Steel (FTB-175)
For Capacities, see TI-2-317-US
Limiting Operating Conditions
Max. Operating Pressure (PMO)FTB-125: 125 psig (8.6 barg)
FTB-200: 200 psig (13.8 barg)
Thermostatic air vent operating range
Steam pressure (psig)
Maximum steam temperature °F
200
572
175
558
150
555
100
547
75
542
50
534
25
521
0
464
4
9
2-1/2" FTB125
2-1/2" FTB200
1
18
8
2 3
6
16
7 15
17
5
Pressure Shell Design Conditions
}
PMA FTB-125 200 psig/up to 650˚F12.1 barg/up to 343˚C
Max. allowable pressure FTB-200
TMA FTB-125 650° F/0-200 psig 343°C/0-12.1 barg
FTB-200
Max. allowable temp.
}
Note: Use bimetal air vent outside range on chart up to 650°F
Local regulation may restrict the use of this product below the conditions quoted. Limiting conditions refer to standard connections only.
In the interests of development and improvement of the product, we reserve the right to change the specification.
TI-2-322-US
4.12
Cast Steel Float & Thermostatic Steam Traps
FTB Super Capacity Series
Installation
A pipeline strainer should be installed ahead of any steam trap.
Full-port isolating valves should be placed to permit servicing.
The trap should be installed below the drainage point of the
equipment with a collecting leg before the trap, in a position
with the float arm in a horizontal plane so that the float rises
and falls vertically, and with the direction of flow as indicated
on the cover. Refer to IMI 2.300 for complete instructions.
Maintenance
This product can be maintained without disturbing the piping
connections. Complete isolation from both supply and return
line is required before any servicing is performed.
The trap should be disassembled periodically for inspection and cleaning of the valve head and seat, and operating
mechanism.
Worn or damaged parts should be replaced using a complete
valve mechanism assembly and/or air vent assembly.
Complete installation and maintenance instructions are
given in IMI 2.300, which accompanies the product.
Dimensions
(nominal) in inches and millimeters
Type & Size A
B
C
D
E
F
Weight
FTB-125 2-1/2"
15.4
9.25 6.9
1.4
14.4 4.0 112 lb
39023518435 397
9550.8 kg
FTB-200 2-1/2"
15.4
9.25 6.9
1.4
14.4 4.0 112 lb
39023518435 397
9550.8 kg
D
F
C
E
A
B
2-1/2" FTB-125 & 200
Air V
Sample Specification
N
ent A
J
Steam traps shall be of the mechanical float type having cast
steel bodies, NPT or SW connections, and stainless steel valve
heads and seats. Incorporated into the trap body shall be a
stainless steel balanced pressure thermostatic air vent capable
of withstanding 572˚F operating temperature and resisting
waterhammer without sustaining damage. Internals of the trap
shall be completely servicable without disturbing the piping.
Trap tested in accordance to ANSI / FCI 85-1. Capacity data
obtained in accordance to PTC 39.1.
{
F
E D
Valv
e Me
Asse chanism
mbly
P
ssem
M H
bly
L
B
Spare Parts
Gasket Kit (3 of each)
B, E (F)
Air Vent Kit
H, J, L, M, N
Valve Mechanism Kit (less float) D, E, F
FloatP
© Spirax Sarco, Inc. 2012
We certify that the data as given
on this sheet are correct.
Signed:_______________________
Date:_____________________­­­____
TI-2-322-US
Spirax Sarco, Inc., 1150 Northpoint Blvd, Blythewood, SC 29016
Telephone: (803) 714-2000 FAX (803) 714-2222
4.12
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