Armstrong 1800 Series all stainless steel horizontal line, also known as "in-line", inverted bucket steam traps allow condensate and steam to enter from one side of the trap and condensate to be discharged from the other. 1800 Series traps are freeze-resistant and are ideal for trapping applications such as tracer lines, steam mains, and heating/process applications.

Category Products

  • SKU: AN1200
  • Ships within 2 business days

Armstrong inverted bucket steam trap, model 1811, with a 1/2" pipe connection in an in-line horizontal configuration. The 1811 is stainless steel and has a 200 psi maximum operating pressure.

Online Price: $364.80
Regular Price: $380.00

  • SKU: AN1201
  • Ships within 2 business days

Armstrong inverted bucket steam trap, model 1811, with a 3/4" pipe connection in an in-line horizontal configuration. The 1811 is stainless steel and has a 200 psi maximum operating pressure.

Online Price: $364.80
Regular Price: $380.00

  • SKU: AN1199
  • Ships within 2 business days

Armstrong model 1810 inverted bucket trap with a 3/8" NPT connection, 170 PPH capacity, and in-line horizontal configuration for service up to 200 psi. Armstrong 1800 Series bucket traps feature side inlet/outlet all-welded construction, which is ideal for applications such as tracer lines, drips, heating, and processing. They also feature freeze-resistant, all-stainless steel construction. This trap offers excellent purging action, as well as, continuous air venting.

Online Price: $364.80
Regular Price: $380.00

  • SKU: AN1199A
  • Ships within 2 business days

Armstrong model 1810 inverted bucket trap with a 3/8" NPT connection, 500 PPH capacity, and in-line horizontal configuration for service up to 200 psi. Armstrong 1800 Series bucket traps feature side inlet/outlet all-welded construction, which is ideal for applications such as tracer lines, drips, heating, and processing. They also feature freeze-resistant, all-stainless steel construction. This trap offers excellent purging action, as well as, continuous air venting.

Online Price: $364.80
Regular Price: $380.00

  • SKU: AN1199C
  • Ships within 2 business days

Armstrong model 1810 inverted bucket trap with a 1/2" NPT connection, 170 PPH capacity, and in-line horizontal configuration for service up to 200 psi. Armstrong 1800 Series bucket traps feature side inlet/outlet all-welded construction, which is ideal for applications such as tracer lines, drips, heating, and processing. They also feature freeze-resistant, all-stainless steel construction. This trap offers excellent purging action, as well as, continuous air venting.

Online Price: $364.80
Regular Price: $380.00

  • SKU: AN1199E
  • Ships within 2 business days

Armstrong model 1810 inverted bucket trap with a 1/2" NPT connection, 500 PPH capacity, and in-line horizontal configuration for service up to 200 psi. Armstrong 1800 Series bucket traps feature side inlet/outlet all-welded construction, which is ideal for applications such as tracer lines, drips, heating, and processing. They also feature freeze-resistant, all-stainless steel construction. This trap offers excellent purging action, as well as, continuous air venting.

Online Price: $364.80
Regular Price: $380.00

  • SKU: AN1200A
  • Ships within 2 business days

Armstrong model 1811 inverted bucket trap with a 1/2" NPT connection, 750 PPH capacity, and in-line horizontal configuration for service up to 250 psi. Armstrong 1800 Series bucket traps feature side inlet/outlet all-welded construction, which is ideal for applications such as tracer lines, drips, heating, and processing. They also feature freeze-resistant, all-stainless steel construction. This trap offers excellent purging action, as well as, continuous air venting.

Online Price: $364.80
Regular Price: $380.00

  • SKU: AN1200C
  • Ships within 2 business days

Armstrong model 1811 inverted bucket trap with a 1/2" NPT connection, 580 PPH capacity, and in-line horizontal configuration for service up to 400 psi. Armstrong 1800 Series bucket traps feature side inlet/outlet all-welded construction, which is ideal for applications such as tracer lines, drips, heating, and processing. They also feature freeze-resistant, all-stainless steel construction. This trap offers excellent purging action, as well as, continuous air venting.

Online Price: $364.80
Regular Price: $380.00

  • SKU: AN1200E
  • Ships within 2 business days

Armstrong model 1811 inverted bucket trap with a 3/4" NPT connection, 1040 PPH capacity, and in-line horizontal configuration for service up to 15 psi. Armstrong 1800 Series bucket traps feature side inlet/outlet all-welded construction, which is ideal for applications such as tracer lines, drips, heating, and processing. They also feature freeze-resistant, all-stainless steel construction. This trap offers excellent purging action, as well as, continuous air venting.

Online Price: $364.80
Regular Price: $380.00

  • SKU: AN1200H
  • Ships within 2 business days

Armstrong model 1811 inverted bucket trap with a 3/4" NPT connection, 1000 PPH capacity, and in-line horizontal configuration for service up to 30 psi. Armstrong 1800 Series bucket traps feature side inlet/outlet all-welded construction, which is ideal for applications such as tracer lines, drips, heating, and processing. They also feature freeze-resistant, all-stainless steel construction. This trap offers excellent purging action, as well as, continuous air venting.

Online Price: $364.80
Regular Price: $380.00

  • SKU: AN1200K
  • Ships within 2 business days

Armstrong model 1811 inverted bucket trap with a 3/4" NPT connection, 950 PPH capacity, and in-line horizontal configuration for service up to 70 psi. Armstrong 1800 Series bucket traps feature side inlet/outlet all-welded construction, which is ideal for applications such as tracer lines, drips, heating, and processing. They also feature freeze-resistant, all-stainless steel construction. This trap offers excellent purging action, as well as, continuous air venting.

Online Price: $364.80
Regular Price: $380.00

  • SKU: AN1200M
  • Ships within 2 business days

Armstrong model 1811 inverted bucket trap with a 3/4" NPT connection, 940 PPH capacity, and in-line horizontal configuration for service up to 125 psi. Armstrong 1800 Series bucket traps feature side inlet/outlet all-welded construction, which is ideal for applications such as tracer lines, drips, heating, and processing. They also feature freeze-resistant, all-stainless steel construction. This trap offers excellent purging action, as well as, continuous air venting.

Online Price: $364.80
Regular Price: $380.00

  • SKU: AN1201A
  • Ships within 2 business days

Armstrong model 1811 inverted bucket trap with a 3/4" NPT connection, 750 PPH capacity, and in-line horizontal configuration for service up to 250 psi. Armstrong 1800 Series bucket traps feature side inlet/outlet all-welded construction, which is ideal for applications such as tracer lines, drips, heating, and processing. They also feature freeze-resistant, all-stainless steel construction. This trap offers excellent purging action, as well as, continuous air venting.

Online Price: $364.80
Regular Price: $380.00

  • SKU: AN1201B
  • Ships within 2 business days

Armstrong model 1811 inverted bucket trap with a 3/4" NPT connection, 580 PPH capacity, and in-line horizontal configuration for service up to 400 psi. Armstrong 1800 Series bucket traps feature side inlet/outlet all-welded construction, which is ideal for applications such as tracer lines, drips, heating, and processing. They also feature freeze-resistant, all-stainless steel construction. This trap offers excellent purging action, as well as, continuous air venting.

Online Price: $364.80
Regular Price: $380.00

  • SKU: AN1201C
  • Ships within 10 business days

Armstrong model 1822 inverted bucket trap with a 1/2" NPT connection, 1750 PPH capacity, and in-line horizontal configuration for service up to 40 psi. Armstrong 1800 Series bucket traps feature side inlet/outlet all-welded construction, which is ideal for applications such as tracer lines, drips, heating, and processing. They also feature freeze-resistant, all-stainless steel construction. This trap offers excellent purging action, as well as, continuous air venting.

Online Price: $922.56
Regular Price: $961.00

  • SKU: AN1201E
  • Ships within 10 business days

Armstrong model 1822 inverted bucket trap with a 1/2" NPT connection, 1740 PPH capacity, and in-line horizontal configuration for service up to 80 psi. Armstrong 1800 Series bucket traps feature side inlet/outlet all-welded construction, which is ideal for applications such as tracer lines, drips, heating, and processing. They also feature freeze-resistant, all-stainless steel construction. This trap offers excellent purging action, as well as, continuous air venting.

Online Price: $922.56
Regular Price: $961.00

  • SKU: AN1201F
  • Ships within 10 business days

Armstrong model 1822 inverted bucket trap with a 1/2" NPT connection, 1710 PPH capacity, and in-line horizontal configuration for service up to 125 psi. Armstrong 1800 Series bucket traps feature side inlet/outlet all-welded construction, which is ideal for applications such as tracer lines, drips, heating, and processing. They also feature freeze-resistant, all-stainless steel construction. This trap offers excellent purging action, as well as, continuous air venting.

Online Price: $922.56
Regular Price: $961.00

  • SKU: AN1201G
  • Ships within 10 business days

Armstrong model 1822 inverted bucket trap with a 1/2" NPT connection, 1490 PPH capacity, and in-line horizontal configuration for service up to 250 psi. Armstrong 1800 Series bucket traps feature side inlet/outlet all-welded construction, which is ideal for applications such as tracer lines, drips, heating, and processing. They also feature freeze-resistant, all-stainless steel construction. This trap offers excellent purging action, as well as, continuous air venting.

Online Price: $922.56
Regular Price: $961.00

  • SKU: AN1201H
  • Ships within 10 business days

Armstrong model 1822 inverted bucket trap with a 1/2" NPT connection, 1315 PPH capacity, and in-line horizontal configuration for service up to 300 psi. Armstrong 1800 Series bucket traps feature side inlet/outlet all-welded construction, which is ideal for applications such as tracer lines, drips, heating, and processing. They also feature freeze-resistant, all-stainless steel construction. This trap offers excellent purging action, as well as, continuous air venting.

Online Price: $922.56
Regular Price: $961.00

  • SKU: AN1201J
  • Ships within 10 business days

Armstrong model 1822 inverted bucket trap with a 1/2" NPT connection, 1600 PPH capacity, and in-line horizontal configuration for service up to 650 psi. Armstrong 1800 Series bucket traps feature side inlet/outlet all-welded construction, which is ideal for applications such as tracer lines, drips, heating, and processing. They also feature freeze-resistant, all-stainless steel construction. This trap offers excellent purging action, as well as, continuous air venting.

Online Price: $922.56
Regular Price: $961.00

  • SKU: AN1201K
  • Ships within 10 business days

Armstrong model 1822 inverted bucket trap with a 3/4" NPT connection, 1750 PPH capacity, and in-line horizontal configuration for service up to 40 psi. Armstrong 1800 Series bucket traps feature side inlet/outlet all-welded construction, which is ideal for applications such as tracer lines, drips, heating, and processing. They also feature freeze-resistant, all-stainless steel construction. This trap offers excellent purging action, as well as, continuous air venting.

Online Price: $922.56
Regular Price: $961.00

  • SKU: AN1201M
  • Ships within 10 business days

Armstrong model 1822 inverted bucket trap with a 3/4" NPT connection, 1740 PPH capacity, and in-line horizontal configuration for service up to 80 psi. Armstrong 1800 Series bucket traps feature side inlet/outlet all-welded construction, which is ideal for applications such as tracer lines, drips, heating, and processing. They also feature freeze-resistant, all-stainless steel construction. This trap offers excellent purging action, as well as, continuous air venting.

Online Price: $922.56
Regular Price: $961.00

  • SKU: AN1201N
  • Ships within 10 business days

Armstrong model 1822 inverted bucket trap with a 3/4" NPT connection, 1710 PPH capacity, and in-line horizontal configuration for service up to 125 psi. Armstrong 1800 Series bucket traps feature side inlet/outlet all-welded construction, which is ideal for applications such as tracer lines, drips, heating, and processing. They also feature freeze-resistant, all-stainless steel construction. This trap offers excellent purging action, as well as, continuous air venting.

Online Price: $922.56
Regular Price: $961.00

  • SKU: AN1201P
  • Ships within 10 business days

Armstrong model 1822 inverted bucket trap with a 3/4" NPT connection, 1490 PPH capacity, and in-line horizontal configuration for service up to 250 psi. Armstrong 1800 Series bucket traps feature side inlet/outlet all-welded construction, which is ideal for applications such as tracer lines, drips, heating, and processing. They also feature freeze-resistant, all-stainless steel construction. This trap offers excellent purging action, as well as, continuous air venting.

Online Price: $922.56
Regular Price: $961.00

  • SKU: AN1201R
  • Ships within 10 business days

Armstrong model 1822 inverted bucket trap with a 3/4" NPT connection, 1315 PPH capacity, and in-line horizontal configuration for service up to 300 psi. Armstrong 1800 Series bucket traps feature side inlet/outlet all-welded construction, which is ideal for applications such as tracer lines, drips, heating, and processing. They also feature freeze-resistant, all-stainless steel construction. This trap offers excellent purging action, as well as, continuous air venting.

Online Price: $922.56
Regular Price: $961.00

  • SKU: AN1201T
  • Ships within 10 business days

Armstrong model 1822 inverted bucket trap with a 3/4" NPT connection, 1600 PPH capacity, and in-line horizontal configuration for service up to 650 psi. Armstrong 1800 Series bucket traps feature side inlet/outlet all-welded construction, which is ideal for applications such as tracer lines, drips, heating, and processing. They also feature freeze-resistant, all-stainless steel construction. This trap offers excellent purging action, as well as, continuous air venting.

Online Price: $922.56
Regular Price: $961.00

  • SKU: AN1201U
  • Ships within 10 business days

Armstrong model 1822 inverted bucket trap with a 1" NPT connection, 1750 PPH capacity, and in-line horizontal configuration for service up to 40 psi. Armstrong 1800 Series bucket traps feature side inlet/outlet all-welded construction, which is ideal for applications such as tracer lines, drips, heating, and processing. They also feature freeze-resistant, all-stainless steel construction. This trap offers excellent purging action, as well as, continuous air venting.

Online Price: $922.56
Regular Price: $961.00

  • SKU: AN1201V
  • Ships within 10 business days

Armstrong model 1822 inverted bucket trap with a 1" NPT connection, 1740 PPH capacity, and in-line horizontal configuration for service up to 80 psi. Armstrong 1800 Series bucket traps feature side inlet/outlet all-welded construction, which is ideal for applications such as tracer lines, drips, heating, and processing. They also feature freeze-resistant, all-stainless steel construction. This trap offers excellent purging action, as well as, continuous air venting.

Online Price: $922.56
Regular Price: $961.00

  • SKU: AN1201W
  • Ships within 10 business days

Armstrong model 1822 inverted bucket trap with a 1" NPT connection, 1710 PPH capacity, and in-line horizontal configuration for service up to 125 psi. Armstrong 1800 Series bucket traps feature side inlet/outlet all-welded construction, which is ideal for applications such as tracer lines, drips, heating, and processing. They also feature freeze-resistant, all-stainless steel construction. This trap offers excellent purging action, as well as, continuous air venting.

Online Price: $922.56
Regular Price: $961.00

  • SKU: AN1201X
  • Ships within 10 business days

Armstrong model 1822 inverted bucket trap with a 1" NPT connection, 1490 PPH capacity, and in-line horizontal configuration for service up to 250 psi. Armstrong 1800 Series bucket traps feature side inlet/outlet all-welded construction, which is ideal for applications such as tracer lines, drips, heating, and processing. They also feature freeze-resistant, all-stainless steel construction. This trap offers excellent purging action, as well as, continuous air venting.

Online Price: $922.56
Regular Price: $961.00

  • SKU: AN1201Y
  • Ships within 10 business days

Armstrong model 1822 inverted bucket trap with a 1" NPT connection, 1315 PPH capacity, and in-line horizontal configuration for service up to 300 psi. Armstrong 1800 Series bucket traps feature side inlet/outlet all-welded construction, which is ideal for applications such as tracer lines, drips, heating, and processing. They also feature freeze-resistant, all-stainless steel construction. This trap offers excellent purging action, as well as, continuous air venting.

Online Price: $922.56
Regular Price: $961.00

  • SKU: AN1201Z
  • Ships within 10 business days

Armstrong model 1822 inverted bucket trap with a 1" NPT connection, 1600 PPH capacity, and in-line horizontal configuration for service up to 650 psi. Armstrong 1800 Series bucket traps feature side inlet/outlet all-welded construction, which is ideal for applications such as tracer lines, drips, heating, and processing. They also feature freeze-resistant, all-stainless steel construction. This trap offers excellent purging action, as well as, continuous air venting.

Online Price: $922.56
Regular Price: $961.00

Category Repair Parts

Category Information

Category Videos

Armstrong: Guidelines for Steam Trap Repair

Armstrong: Guidelines for Steam Trap Repair

Energy costs continue to rise. Increasing right along with them is the awareness—greater than ever before—of how important steam trap maintenance is to conserving energy and saving dollars.

Armstrong: How Inverted Bucket Traps Work

Armstrong: How Inverted Bucket Traps Work

This video showcases the benefits of Armstrong Inverted Bucket Steam Traps, such as: the longest service life of any type steam trap, proven energy conservation, dependable operation, purging action due to snap opening of the valve, continuous automatic air and CO2 venting, excellent operation against back pressure, resistance to damage from water hammer, freedom from dirt problems, and IB steam traps conserve energy even in the presence of wear.

Armstrong: Let's Talk Steam Traps

Armstrong: Let's Talk Steam Traps

Armstrong offers a full range of steam traps as well as the remarkable trap valve station (TVS) to integrate valves and traps into one versatile package for quicker installation, simplified testing and faster maintenance.

Armstrong: Guidelines for Steam Trap Troubleshooting & Testing

Armstrong: Guidelines for Steam Trap Troubleshooting & Testing

This video recommends a step-by-step approach plant energy technicians can take to steam trap testing and problem solving. It emphasizes use of the faculties of both sight and hearing in gathering information, then applying training and experience to properly evaluate the results.

Armstrong: Guidelines for Steam System Efficiency

Armstrong: Guidelines for Steam System Efficiency

This educational video covers basic considerations in the design, piping, and trapping of steam systems. Topics include correct sizing and installation of steam supply and condensate return lines; steam velocities in the system; proper steam trap installation; trap safety factors; the use of air vents, vacuum breakers and safety drains; and how non-condensables affect the performance and service life of heat exchanger equipment.

Armstrong: What is Steam?

Armstrong: What is Steam?

This is the basics-of-steam primer… the "Steam 101" short course on the principles of steam that leads to a thorough understanding of the concepts outlined in the many Armstrong training courses and materials. Both live action video and clear, simple animation are used to illustrate steam properties and behavior. Everyday demonstrations and a straight-forward style help make this an informative and entertaining video, whether used as an introduction or as a refresher.