Armstrong International Datasheets for Steam Traps

Steam traps are automatic valves that release condensate from a steam space while preventing the loss of live steam. They also remove air and noncondensables from the steam space.
Steam Traps: Learn more

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Product Name Notes
Model SH Bimetallic Superheat Steam Traps -- Model SH-1500
Model SH Bimetallic Superheat Steam Traps -- Model SH-1500
SH-1500 Series Superheat Traps Bimetallic steam traps for superheat conditions For pressures to 1,500 psig (104 bar) . . . Cold water capacities to 6,500 lb/hr (2950 kg/hr) Armstrong’s SH-1500...
SH Series Bimetallic Steam Traps -- SH 2000 SH-2000 Series Superheat Traps Bimetallic steam traps for superheat conditions For pressures to 400 psig (28 bar) . . . Cold water capacities to 4800 lb/hr (2175 kg/hr) SH Series...
SH Series Bimetallic Steam Traps -- SH 2500 SH-2500 Bimetallic Steam Traps Bimetallic steam traps for superheat conditions For pressures to 650 psig (45 bar) . . . Cold water capacities to 6,000 lb/hr (2,722 kg/hr) Armstrong’s SH-2500...
Model SH Bimetallic Superheat Steam Traps -- Model SH-300
Model SH Bimetallic Superheat Steam Traps -- Model SH-300
Model SH Bimetallic Superheat Steam Traps -- Model SH-300
SH-300 Series Superheat Traps Carbon Steel For pressures to 580 psig (40 bar) Armstrong's SH Series Bimetallic Steam Traps for superheat or low load conditions are the ideal traps for...
SH-4000 Series Bimetallic Steam Traps -- SH-4009H
SH-4000 Series Bimetallic Steam Traps -- SH-4009L
SH-4000 Series Bimetallic Steam Traps -- SH-4015
SH-4000 Bimetallic Steam Traps All Stainless Steel For Pressures to 1,245 psig (86 bar) Cold Water Capacities to 6,000 lb/hr (2,722 kg/hr) Armstrong’s SH-4000 Bimetallic Steam Trap is the ideal...
Model SH Bimetallic Superheat Steam Traps -- Model SH-900H
Model SH Bimetallic Superheat Steam Traps -- Model SH-900H
Model SH Bimetallic Superheat Steam Traps -- Model SH-900H
SH-900 Series Bimetallic Superheat Steam Traps Carbon Steel/Stainless Steel For pressures to 900 psig (62 bar) Capacities to 11,000 lb/hr (4990 kg/hr) SH-900 Series Superheat Steam Traps operate by the...
4000 Series Inverted Bucket Steam Trap -- Model IB4011
4000 Series Inverted Bucket Steam Trap -- Model IB4022
FF-4000 Series Free Float and Thermostatic Steam Trap -- FF-4250
FF-4000 Series Free Float and Thermostatic Steam Trap -- FF-4450
ICS Series Float & Thermostatic Steam Traps -- Model 0.5
ICS Series Float & Thermostatic Steam Traps -- Model 0.75
ICS Series Float & Thermostatic Steam Traps -- Model 1
ICS Series Float & Thermostatic Steam Traps -- Model 1.5
ICS Series Float & Thermostatic Steam Traps -- Model 2
JD Series Ultra-Capacity Float & Thermostatic Steam Trap -- Model 125-JD
JD Series Ultra-Capacity Float & Thermostatic Steam Trap -- Model 15-JD
JD Series Ultra-Capacity Float & Thermostatic Steam Trap -- Model 175-JD
JD Series Ultra-Capacity Float & Thermostatic Steam Trap -- Model 20-JD
JD Series Ultra-Capacity Float & Thermostatic Steam Trap -- Model 250-JD
JD Series Ultra-Capacity Float & Thermostatic Steam Trap -- Model 30-JD
JD Series Ultra-Capacity Float & Thermostatic Steam Trap -- Model 300-JD
JD Series Ultra-Capacity Float & Thermostatic Steam Trap -- Model 75-JD
KD Series Ultra-Capacity Float & Thermostatic Steam Trap -- Model 30-KD
KD Series Ultra-Capacity Float & Thermostatic Steam Trap -- Model 300-KD
KD Series Ultra-Capacity Float & Thermostatic Steam Trap -- Model 50-KD
L Series Ultra-Capacity Float & Thermostatic Steam Trap -- Model 100-L
L Series Ultra-Capacity Float & Thermostatic Steam Trap -- Model 150-L
L Series Ultra-Capacity Float & Thermostatic Steam Trap -- Model 250-L
L Series Ultra-Capacity Float & Thermostatic Steam Trap -- Model 30-L
M Series Ultra-Capacity Float & Thermostatic Steam Trap -- Model 250-M
Steam Traps Pay less money for energy-and more attention to the environment. It's pretty obvious, really. An efficient steam trap wastes less energy, which means you burn less fuel and...
1800 Series Inverted Bucket Steam Trap -- Model 1810
1800 Series Inverted Bucket Steam Trap -- Model 1810
1800 Series Inverted Bucket Steam Trap -- Model 1811
1800 Series Inverted Bucket Steam Trap -- Model 1811
1800 Series Inverted Bucket Steam Trap -- Model 1811N
1800 Series Inverted Bucket Steam Trap -- Model 1811N
1800 Series Inverted Bucket Steam Trap -- Model 1822
1800 Series Inverted Bucket Steam Trap -- Model 1822
1800 Series Inverted Bucket Steam Trap -- Model 1822
A quick and easy “in-line” replacement for other types of side inlet/side outlet traps, the Armstrong 1800 Series brings together all the familiar benefits of energy-efficient inverted bucket operation. Side...
1000 Series Inverted Bucket Steam Trap -- Model 1010
1000 Series Inverted Bucket Steam Trap -- Model 1010
1000 Series Inverted Bucket Steam Trap -- Model 1011
1000 Series Inverted Bucket Steam Trap -- Model 1011
1000 Series Inverted Bucket Steam Trap -- Model 1013
1000 Series Inverted Bucket Steam Trap -- Model 1022
Armstrong 1000 Series stainless steel inverted bucket steam traps normally last three to four times longer than conventional traps used in identical services. Heat-treated stainless steel valves and seats are...
A Series Float & Thermostatic Steam Traps -- Model A3
A Series Float & Thermostatic Steam Traps -- Model A4
A Series Float & Thermostatic Steam Traps -- Model A5
A Series Float & Thermostatic Steam Traps -- Model A6
A Series Float & Thermostatic Steam Traps -- Model A8
AI Series Float & Thermostatic Steam Traps -- Model AI2
AI Series Float & Thermostatic Steam Traps -- Model AI3
AI Series Float & Thermostatic Steam Traps -- Model AI4
Armstrong A & AI Series F&T traps are for industrial service from 0 to 175 psig (12 bar) and feature a balanced pressure phosphor-bronze type bellows caged in stainless steel.
AIC Series Float & Thermostatic Steam Traps -- Model AIC2
AIC Series Float & Thermostatic Steam Traps -- Model AIC3
AIC Series Float & Thermostatic Steam Traps -- Model AIC4
AIC Series Float & Thermostatic Steam Traps -- Model AICF2
AIC Series Float & Thermostatic Steam Traps -- Model AICF3
AIC Series Float & Thermostatic Steam Traps -- Model AICF4
Armstrong AIC Series F&T traps are designed for industrial service from 0 to 465 psig (32 bar). They featrue all the benefits of Armstrong F&T traps, such as operation against...
20-DC Series Automatic Differential Condensate Controllers -- Model 21-DC
20-DC Series Automatic Differential Condensate Controllers -- Model 22-DC
20-DC Series Automatic Differential Condensate Controllers -- Model 23-DC
20-DC Series Automatic Differential Condensate Controllers -- Model 24-DC
20-DC Series Automatic Differential Condensate Controllers -- Model 25-DC
20-DC Series Automatic Differential Condensate Controllers -- Model 26-DC
30-DC Series Automatic Differential Condensate Controllers -- Model 33-DC
30-DC Series Automatic Differential Condensate Controllers -- Model 34-DC
30-DC Series Automatic Differential Condensate Controllers -- Model 35-DC
30-DC Series Automatic Differential Condensate Controllers -- Model 36-DC
80-DC Series Automatic Differential Condensate Controllers -- Model 81-DC
80-DC Series Automatic Differential Condensate Controllers -- Model 82-DC
80-DC Series Automatic Differential Condensate Controllers -- Model 83-DC
80-DC Series Automatic Differential Condensate Controllers -- Model 84-DC
80-DC Series Automatic Differential Condensate Controllers -- Model 85-DC
80-DC Series Automatic Differential Condensate Controllers -- Model 86-DC
Armstrong automatic differential condensate controllers (DC) are designed to function on applications where condensate must be lifted from a drain point or in gravity drainage applications where increased velocity will...
B Series Float & Thermostatic Steam Traps -- Model B2
B Series Float & Thermostatic Steam Traps -- Model B3
B Series Float & Thermostatic Steam Traps -- Model B4
B Series Float & Thermostatic Steam Traps -- Model B5
B Series Float & Thermostatic Steam Traps -- Model B6
B Series Float & Thermostatic Steam Traps -- Model B8
BI Series Float & Thermostatic Steam Traps -- Model BI2
BI Series Float & Thermostatic Steam Traps -- Model BI3
BI Series Float & Thermostatic Steam Traps -- Model BI4
Armstrong B and BI Series F&T traps combine high standards of performance and long life with economy. They are ideal for heating service where continuous drainage with high air-venting capacity...
CD-40 Series Controlled Disc Steam Traps -- Model CD-41
CD-40 Series Controlled Disc Steam Traps -- Model CD-41
CD-40 Series Controlled Disc Steam Traps -- Model CD-42
CD-40 Series Controlled Disc Steam Traps -- Model CD-43
CD-60 Series Controlled Disc Steam Traps -- Model CD-61
CD-60 Series Controlled Disc Steam Traps -- Model CD-61
CD-60 Series Controlled Disc Steam Traps -- Model CD-62
CD-60 Series Controlled Disc Steam Traps -- Model CD-63
Armstrong CD-40 and CD-60 Series controlled disc traps contain a replaceable capsule, making it possible to renew a worn trap by simply replacing the capsule. A heating chamber in the...
411G/421 Series Inverted Bucket Steam Trap -- Model 411G
411G/421 Series Inverted Bucket Steam Trap -- Model 411G
411G/421 Series Inverted Bucket Steam Trap -- Model 421
411G/421 Series Inverted Bucket Steam Trap -- Model 421
Armstrong Model 411G vertical installation and Model 421 horizontal installation offer smaller capacities at higher pressures. A unique leverage system multiplies the force provided by the bucket to open the...
Series TC Clean Steam Thermostatic Traps -- Model TC-C
Series TC Clean Steam Thermostatic Traps -- Model TC-C
Series TC Clean Steam Thermostatic Traps -- Model TC-C
Series TC Clean Steam Thermostatic Traps -- Model TC-R
Series TC Clean Steam Thermostatic Traps -- Model TC-R
Series TC Clean Steam Thermostatic Traps -- Model TC-R
Series TC Clean Steam Thermostatic Traps -- Model TC-R
Series TC Clean Steam Thermostatic Traps -- Model TC-R
Series TC Clean Steam Thermostatic Traps -- Model TC-R
Series TC Clean Steam Thermostatic Traps -- Model TC-R
Series TC Clean Steam Thermostatic Traps -- Model TC-S
Series TC Clean Steam Thermostatic Traps -- Model TC-S
Series TC Clean Steam Thermostatic Traps -- Model TC-S
Series TC Clean Steam Thermostatic Traps -- Model TC-S
Series TC Clean Steam Thermostatic Traps -- Model TC-S
Series TC Clean Steam Thermostatic Traps -- Model TC-S
Series TC Clean Steam Thermostatic Traps -- Model TC-S
Armstrong offers a complete range of TC Series traps to handle the special requirements of clean steam systems. Different body configurations are available for choice of piping and ease of...
300 Series Inverted Bucket Steam Trap -- Model 310
300 Series Inverted Bucket Steam Trap -- Model 310
300 Series Inverted Bucket Steam Trap -- Model 312
300 Series Inverted Bucket Steam Trap -- Model 312
300 Series Inverted Bucket Steam Trap -- Model 312
300 Series Inverted Bucket Steam Trap -- Model 313
300 Series Inverted Bucket Steam Trap -- Model 313
300 Series Inverted Bucket Steam Trap -- Model 313
300 Series Inverted Bucket Steam Trap -- Model 314
300 Series Inverted Bucket Steam Trap -- Model 314
300 Series Inverted Bucket Steam Trap -- Model 315
300 Series Inverted Bucket Steam Trap -- Model 315
300 Series Inverted Bucket Steam Trap -- Model 315
300 Series Inverted Bucket Steam Trap -- Model 316
300 Series Inverted Bucket Steam Trap -- Model 316
Armstrong offers its 300 series forged carbon steel traps for vertical installation with a choice of screwed, socketweld or flanged connections. A unique leverage system multiplies the force provided by...
400 Series Inverted Bucket Steam Trap -- Model 413
400 Series Inverted Bucket Steam Trap -- Model 413
400 Series Inverted Bucket Steam Trap -- Model 413
400 Series Inverted Bucket Steam Trap -- Model 415
400 Series Inverted Bucket Steam Trap -- Model 415
400 Series Inverted Bucket Steam Trap -- Model 415
400 Series Inverted Bucket Steam Trap -- Model 416
400 Series Inverted Bucket Steam Trap -- Model 416
Armstrong offers its 400 Series forged chrome-moly steel inverted bucket traps for vertical installation with a choice of screwed, socketweld or flanged connections. A unique leverage system multiplies the force...
5000 Series Inverted Bucket Steam Trap -- Model 5133G
5000 Series Inverted Bucket Steam Trap -- Model 5133G
5000 Series Inverted Bucket Steam Trap -- Model 5133G
5000 Series Inverted Bucket Steam Trap -- Model 5155G
5000 Series Inverted Bucket Steam Trap -- Model 5155G
5000 Series Inverted Bucket Steam Trap -- Model 5155G
Armstrong offers its 5000 Series forged chrome-moly steel traps for vertical installation with a choice of screwed, socketweld or flanged connections. A unique leverage system multiplies the force provided by...
6000 Series Inverted Bucket Steam Trap -- Model 6155G
6000 Series Inverted Bucket Steam Trap -- Model 6155G
Armstrong offers its 6000 Series forged chrome-moly steel traps for vertical installation with a choice of screwed (up to 900 psi/62 bar), socketweld or flanged connections. A unique leverage system...
Series WT Thermostatic Wafer Steam Trap -- Model WT-1
Series WT Thermostatic Wafer Steam Trap -- Model WT-1
Series WT Thermostatic Wafer Steam Trap -- Model WT-2000
Series WT Thermostatic Wafer Steam Trap -- Model WT-2000
Series WT Thermostatic Wafer Steam Trap -- Model WT-2000
Series WT Thermostatic Wafer Steam Trap -- Model WT-3
Series WT Thermostatic Wafer Steam Trap -- Model WT-3
Armstrong offers several thermostatic wafer steam traps. The WT-1 is ideal for low-capacity steam tracers and features an exclusive non-welded wafer design, a sealed stainless steel body and an internal...
980 Series Inverted Bucket Steam Trap -- Model 981
980 Series Inverted Bucket Steam Trap -- Model 981
980 Series Inverted Bucket Steam Trap -- Model 983
980 Series Inverted Bucket Steam Trap -- Model 983
Armstrong offers two sizes of cast steel inverted bucket traps with in-line horizontal pipe connections and integral strainers with a choice of screwed, socketweld or flanged connections. A unique leverage...
Series TS-2 Radiator Traps -- Model TS-2
Series TS-2 Radiator Traps -- Model TS-2
Armstrong Series TS radiator traps are offered in both angle and straight patterns. The TS-2 has a balanced pressure thermostatic element with a high quality multiple-convolution bellows. It’s ideal for...
Series TS-3 Radiator Traps -- Model TS-3
Series TS-3 Radiator Traps -- Model TS-3
Series TS-3 Radiator Traps -- Model TS-3
Armstrong Series TS radiator traps are offered in both angle and straight patterns. The TS-3 is a heavy-duty wafer-type trap for the drainage of all types of steam radiators and...
401-SH Series Inverted Bucket Superheat Steam Traps -- Model 401-SH
401-SH Series Inverted Bucket Superheat Steam Traps -- Model 401-SH
501-SH Series Inverted Bucket Superheat -- Model 501-SH
501-SH Series Inverted Bucket Superheat -- Model 501-SH
Armstrong’s 401-SH/501-SH Series inverted bucket superheat trap line is made for overcoming the difficult combination of superheat and high pressure/low load service. To survive this most severe steam service, Armstrong...
Model SH Bimetallic Superheat Steam Traps -- Model SH-900L
Model SH Bimetallic Superheat Steam Traps -- Model SH-900L
Model SH Bimetallic Superheat Steam Traps -- Model SH-900L
SH Series Superheat Steam Traps operate by the effect that rising temperature has on the thermostatic bimetallic elements. At start-up, the valve is wide open, which allows a large volume...
CD-33 Series Disc Steam Trap -- Model CD-33
CD-33 Series Disc Steam Trap -- Model CD-33
CD-33 Series Disc Steam Trap -- Model CD-33
CD-33 Series Disc Steam Trap -- Model CD-33L
CD-33 Series Disc Steam Trap -- Model CD-33L
CD-33 Series Disc Steam Trap -- Model CD-33L
CD-33S Series Disc Steam Trap -- Model CD-33S
CD-33S Series Disc Steam Trap -- Model CD-33S
CD-33S Series Disc Steam Trap -- Model CD-33S
CD-33S Series Disc Steam Trap -- Model CD-33SL
CD-33S Series Disc Steam Trap -- Model CD-33SL
The Armstrong CD-33 is a disc-style trap designed to control the trap’s cycle rate. By reducing the cycle rate, the Armstrong CD-33 extends its service life well beyond that of...
CD-3300 Series Disc Steam Trap -- Model CD-3300
CD-3300 Series Disc Steam Trap -- Model CD-3300
CD-3300 Series Disc Steam Trap -- Model CD-3300
The Armstrong CD-3300 is a three-discharge port design, which provides stable disc operation to extend operating life. The CD-3300 is piped in-line by a 360° universal connector, which allows you...
CD-72S/SL Series Disc Trap -- CD-72S
CD-72S/SL Series Disc Trap -- CD-72SL
The Armstrong CD-72S is a disc style trap designed to control the trap’s cycle rate. By reducing the cycle rate, the Armstrong CD-72S will have a longer service life than...
FT 4000 Series Float and Thermostatic Steam Traps -- Model FT-4075
FT 4000 Series Float and Thermostatic Steam Traps -- Model FT-4150
FT 4000 Series Float and Thermostatic Steam Traps -- Model FT-4225
FT 4000 Series Float and Thermostatic Steam Traps -- Model FT-4300
FT 4000 Series Float and Thermostatic Steam Traps -- Model FT-4465
The FT 4000 allows you to install a float and thermostatic steam trap in any piping configuration, with little or no repiping. You get the reliability of the float and...
814-816 Series Inverted Bucket Steam Trap -- Model 814
814-816 Series Inverted Bucket Steam Trap -- Model 814
814-816 Series Inverted Bucket Steam Trap -- Model 815
814-816 Series Inverted Bucket Steam Trap -- Model 815
814-816 Series Inverted Bucket Steam Trap -- Model 815
814-816 Series Inverted Bucket Steam Trap -- Model 815
814-816 Series Inverted Bucket Steam Trap -- Model 816
814-816 Series Inverted Bucket Steam Trap -- Model 816
880 Series Inverted Bucket Steam Trap -- Model 880
880 Series Inverted Bucket Steam Trap -- Model 880
880 Series Inverted Bucket Steam Trap -- Model 881
880 Series Inverted Bucket Steam Trap -- Model 881
880 Series Inverted Bucket Steam Trap -- Model 881
880 Series Inverted Bucket Steam Trap -- Model 882
880 Series Inverted Bucket Steam Trap -- Model 882
880 Series Inverted Bucket Steam Trap -- Model 883
880 Series Inverted Bucket Steam Trap -- Model 883
880 Series Inverted Bucket Steam Trap -- Model 883
The most reliable steam trap known—the inverted bucket—provides efficient condensate drainage of virtually all types of steam-using equipment. Put the inverted bucket to work in a tough cast iron package,...
200 Series Inverted Bucket Steam Trap -- Model 211
200 Series Inverted Bucket Steam Trap -- Model 212
200 Series Inverted Bucket Steam Trap -- Model 212
200 Series Inverted Bucket Steam Trap -- Model 213
200 Series Inverted Bucket Steam Trap -- Model 213
200 Series Inverted Bucket Steam Trap -- Model 213
200 Series Inverted Bucket Steam Trap -- Model 214
200 Series Inverted Bucket Steam Trap -- Model 214
200 Series Inverted Bucket Steam Trap -- Model 215
200 Series Inverted Bucket Steam Trap -- Model 215
200 Series Inverted Bucket Steam Trap -- Model 215
200 Series Inverted Bucket Steam Trap -- Model 216
200 Series Inverted Bucket Steam Trap -- Model 216
800-813 Series Inverted Bucket Steam Trap -- Model 800
800-813 Series Inverted Bucket Steam Trap -- Model 800
800-813 Series Inverted Bucket Steam Trap -- Model 811
800-813 Series Inverted Bucket Steam Trap -- Model 811
800-813 Series Inverted Bucket Steam Trap -- Model 811
800-813 Series Inverted Bucket Steam Trap -- Model 812
800-813 Series Inverted Bucket Steam Trap -- Model 812
800-813 Series Inverted Bucket Steam Trap -- Model 813
800-813 Series Inverted Bucket Steam Trap -- Model 813
The most reliable steam trap known-the inverted bucket-provides efficient condensate drainage of virtually all types of steam-using equipment. Put the inverted bucket to work in a tough cast iron package,...
LS Series Ultra-Capacity Float & Thermostatic Steam Traps -- Model LS10
LS Series Ultra-Capacity Float & Thermostatic Steam Traps -- Model LS8
MS Series Ultra-Capacity Float & Thermostatic Steam Traps -- Model MS12
The simple, yet rugged, cast steel construction of the LS & MS Series Ultra-Capacity F&T steam traps offer long, trouble-free service. All floats, valves and seats, and lever mechanisms are...
2000 Series Inverted Bucket Steam Trap -- Model 2010
2000 Series Inverted Bucket Steam Trap -- Model 2010
2000 Series Inverted Bucket Steam Trap -- Model 2010
2000 Series Inverted Bucket Steam Trap -- Model 2011
2000 Series Inverted Bucket Steam Trap -- Model 2011
2000 Series Inverted Bucket Steam Trap -- Model 2011
2000 Series Inverted Bucket Steam Trap -- Model 2011N
2000 Series Inverted Bucket Steam Trap -- Model 2011N
2000 Series Inverted Bucket Steam Trap -- Model 2022
2000 Series Inverted Bucket Steam Trap -- Model 2022
2000 Series Inverted Bucket Steam Trap -- Model 2022
With the 2000 Series’ 360° universal connector, you can install inverted bucket efficiency and long service life in any piping configuration with little or no repiping. You get the reliability...

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