User manual | FF-4000 Series Float and Thermostatic Steam Trap with freely floating ball

FF-4000 Series Float and Thermostatic Steam Trap with freely floating ball
All Stainless Steel
Steam Trapping and
Steam Tracing Equipment
For Pressures to 250 psig (17 bar)… Capacities to 1,050 lb/hr (476 kg/hr)
Description
With the FF-4000 Series’ 360° universal connector, you can install the float
and thermostatic trap to fit any piping configuration. You get the reliability
of the freely floating ball and thermostatic design plus all the benefits of allstainless steel construction.
•
•
•
•
A sealed, tamperproof package
A compact, lightweight trap
Exceptional corrosion resistance
A three-year guarantee against defective materials and
workmanship
2022 Trap
FF-4000 Series Float and Thermostatic steam traps combine savings in three
important areas: energy, installation and replacement. Mounting the FF-4000
on universal connectors provide quick and easy in-line replacement.
Maximum Operating Conditions
Maximum allowable pressure (vessel design):
Model FF-4250
300 psig @ 650°F (20.7 bar @ 343°C)
Model FF-4450
600 psig @ 800°F (41.4 bar @ 427°C)
FF-4250 with TVS-4000
Maximum operating pressure:
Model FF-4250
250 psig @ 650°F (17 bar @ 343°C)
Model FF-4450
450 psig @ 800°F (31 bar @ 427°C)
Body:
Internals: Ball seat:
Float:
Air Vent:
FF-4000 Series Capacities
ASTM A240 Grade 304L
All stainless steel-304
Stainless Steel
Stainless Steel
Bimetal
Pressure, bar
5
7
1
2
5
3
7
10
2
5
3
7
1,500
360° Universal Connector Styles
FF-4450
1,000
How to order
• Specify model number
• Size and type of pipe connection, style of 360°
universal connector.
300
250
500
FF-4250
200
400
150
300
250
100
200
70
150
100 5
500
400
700
Capacity lb/hr
• Standard 2-bolt connector
• IS-2 connector with integral strainer and optional blowdown valve
• ­­­Trap Valve Station
Capacity kg/hr
Materials
50
7
10
2
3
5
7
100
2
3
5
7
1,000
Pressure, psi
FF-4000 Series
Model No.
FF-4450
1/2, 3/4
15, 20
1/2, 3/4
15, 20
in
mm
in
mm
“A” Diameter
2-11/16
68
3-7/8
98
“B” Height
4-7/8
124
6-3/16
157
“C” Outside to Flange”D”
3-7/8
98
4-15/16
125
4
102
4-15/16
125
“D” C Flange to Top
Trap Only Weight, lb (kg)
132
FF-4250
Pipe
Connection
2 (0.9)
4 (1.8)
Designs, materials, weights and performance ratings are approximate and subject to change without notice. Visit armstronginternational.com for up-to-date information.
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