Armstrong 800 Series cast iron 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. 800 Series traps come standard with a heavy-duty stainless steel bucket and have the option of being furnished with a thermic vent bucket for high capacity air discharge. Complete traps are available in pipe sizes from 1/2" to 2-1/2".

Category Products

  • SKU: AN1067
  • 7 in stock
  • Ships within 2 business days

Armstrong inverted bucket steam trap, model 800, with a 1/2" pipe connection in an in-line horizontal configuration. The 800 is cast iron and has a 20 psi maximum operating pressure.

Online Price: $165.12
Regular Price: $172.00

  • SKU: AN1067A
  • Ships within 2 business days

Armstrong inverted bucket steam trap, model 800T, with a 1/2" pipe connection in an in-line horizontal configuration and a thermic vent bucket to allow a high volume of air discharge upon system start-up. The 800T is cast iron and has a 20 psi maximum operating pressure.

Online Price: $202.56
Regular Price: $211.00

  • SKU: AN1068
  • 4 in stock
  • Ships within 2 business days

Armstrong inverted bucket steam trap, model 800, with a 1/2" pipe connection in an in-line horizontal configuration. The 800 is cast iron and has an 80 psi maximum operating pressure.

Online Price: $165.12
Regular Price: $172.00

  • SKU: AN1069
  • 6 in stock
  • Ships within 2 business days

Armstrong inverted bucket steam trap, model 800, with a 1/2" pipe connection in an in-line horizontal configuration. The 800 is cast iron and has a 125 psi maximum operating pressure.

Online Price: $165.12
Regular Price: $172.00

  • SKU: AN1070
  • 5 in stock
  • Ships within 2 business days

Armstrong inverted bucket steam trap, model 800, with a 1/2" pipe connection in an in-line horizontal configuration. The 800 is cast iron and has a 150 psi maximum operating pressure.

Online Price: $165.12
Regular Price: $172.00

  • SKU: AN1071
  • 5 in stock
  • Ships within 2 business days

Armstrong inverted bucket steam trap, model 800, with a 3/4" pipe connection in an in-line horizontal configuration. The 800 is cast iron and has a 20 psi maximum operating pressure.

Online Price: $165.12
Regular Price: $172.00

  • SKU: AN1072
  • 6 in stock
  • Ships within 2 business days

Armstrong inverted bucket steam trap, model 800, with a 3/4" pipe connection in an in-line horizontal configuration. The 800 is cast iron and has an 80 psi maximum operating pressure.

Online Price: $165.12
Regular Price: $172.00

  • SKU: AN1073
  • 3 in stock
  • Ships within 2 business days

Armstrong inverted bucket steam trap, model 800, with a 3/4" pipe connection in an in-line horizontal configuration. The 800 is cast iron and has a 125 psi maximum operating pressure.

Online Price: $165.12
Regular Price: $172.00

  • SKU: AN1074
  • 12 in stock
  • Ships within 2 business days

Armstrong inverted bucket steam trap, model 800, with a 3/4" pipe connection in an in-line horizontal configuration. The 800 is cast iron and has a 150 psi maximum operating pressure.

Online Price: $165.12
Regular Price: $172.00

  • SKU: AN1075
  • Ships within 2 business days

Armstrong inverted bucket steam trap, model 811, with a 1/2" pipe connection in an in-line horizontal configuration. The 811 is cast iron and has a 15 psi maximum operating pressure.

Online Price: $218.88
Regular Price: $228.00

  • SKU: AN1076
  • Ships within 2 business days

Armstrong inverted bucket steam trap, model 811, with a 1/2" pipe connection in an in-line horizontal configuration. The 811 is cast iron and has a 30 psi maximum operating pressure.

Online Price: $218.88
Regular Price: $228.00

  • SKU: AN1077
  • Ships within 2 business days

Armstrong inverted bucket steam trap, model 811, with a 1/2" pipe connection in an in-line horizontal configuration. The 811 is cast iron and has a 70 psi maximum operating pressure.

Online Price: $218.88
Regular Price: $228.00

  • SKU: AN1078
  • Ships within 2 business days

Armstrong inverted bucket steam trap, model 811, with a 1/2" pipe connection in an in-line horizontal configuration. The 811 is cast iron and has a 125 psi maximum operating pressure.

Online Price: $218.88
Regular Price: $228.00

  • SKU: AN1079
  • 1 in stock
  • Ships within 2 business days

Armstrong inverted bucket steam trap, model 811, with a 1/2" pipe connection in an in-line horizontal configuration. The 811 is cast iron and has a 200 psi maximum operating pressure.

Online Price: $218.88
Regular Price: $228.00

  • SKU: AN1080
  • 4 in stock
  • Ships within 2 business days

Armstrong inverted bucket steam trap, model 811, with a 1/2" pipe connection in an in-line horizontal configuration. The 811 is cast iron and has a 250 psi maximum operating pressure.

Online Price: $218.88
Regular Price: $228.00

  • SKU: AN1081
  • 2 in stock
  • Ships within 2 business days

Armstrong inverted bucket steam trap, model 811, with a 3/4" pipe connection in an in-line horizontal configuration. The 811 is cast iron and has a 15 psi maximum operating pressure.

Online Price: $218.88
Regular Price: $228.00

  • SKU: AN1082
  • 3 in stock
  • Ships within 2 business days

Armstrong inverted bucket steam trap, model 811, with a 3/4" pipe connection in an in-line horizontal configuration. The 811 is cast iron and has a 30 psi maximum operating pressure.

Online Price: $218.88
Regular Price: $228.00

  • SKU: AN1083
  • 1 in stock
  • Ships within 2 business days

Armstrong inverted bucket steam trap, model 811, with a 3/4" pipe connection in an in-line horizontal configuration. The 811 is cast iron and has a 70 psi maximum operating pressure.

Online Price: $218.88
Regular Price: $228.00

  • SKU: AN1084
  • 8 in stock
  • Ships within 2 business days

Armstrong inverted bucket steam trap, model 811, with a 3/4" pipe connection in an in-line horizontal configuration. The 811 is cast iron and has a 125 psi maximum operating pressure.

Online Price: $218.88
Regular Price: $228.00

  • SKU: AN1085
  • 3 in stock
  • Ships within 2 business days

Armstrong inverted bucket steam trap, model 811, with a 3/4" pipe connection in an in-line horizontal configuration. The 811 is cast iron and has a 200 psi maximum operating pressure.

Online Price: $218.88
Regular Price: $228.00

  • SKU: AN1086
  • 3 in stock
  • Ships within 2 business days

Armstrong inverted bucket steam trap, model 811, with a 3/4" pipe connection in an in-line horizontal configuration. The 811 is cast iron and has a 250 psi maximum operating pressure.

Online Price: $218.88
Regular Price: $228.00

  • SKU: AN1086A
  • 1 in stock
  • Ships within 2 business days

Armstrong inverted bucket steam trap, model 811, with a 1" pipe connection in an in-line horizontal configuration. The 811 is cast iron and has a 15 psi maximum operating pressure.

Online Price: $218.88
Regular Price: $228.00

  • SKU: AN1086B
  • Ships within 2 business days

Armstrong inverted bucket steam trap, model 811, with a 1" pipe connection in an in-line horizontal configuration. The 811 is cast iron and has a 30 psi maximum operating pressure.

Online Price: $218.88
Regular Price: $228.00

  • SKU: AN1086C
  • Ships within 2 business days

Armstrong inverted bucket steam trap, model 811, with a 1" pipe connection in an in-line horizontal configuration. The 811 is cast iron and has a 70 psi maximum operating pressure.

Online Price: $218.88
Regular Price: $228.00

  • SKU: AN1086D
  • Ships within 2 business days

Armstrong inverted bucket steam trap, model 811, with a 1" pipe connection in an in-line horizontal configuration. The 811 is cast iron and has a 125 psi maximum operating pressure.

Online Price: $218.88
Regular Price: $228.00

  • SKU: AN1086E
  • 1 in stock
  • Ships within 2 business days

Armstrong inverted bucket steam trap, model 811, with a 1" pipe connection in an in-line horizontal configuration. The 811 is cast iron and has a 200 psi maximum operating pressure.

Online Price: $218.88
Regular Price: $228.00

  • SKU: AN1086F
  • Ships within 2 business days

Armstrong inverted bucket steam trap, model 811, with a 1" pipe connection in an in-line horizontal configuration. The 811 is cast iron and has a 250 psi maximum operating pressure.

Online Price: $218.88
Regular Price: $228.00

  • SKU: AN1087
  • Ships within 2 business days

Armstrong inverted bucket steam trap, model 812, with a 1/2" pipe connection in an in-line horizontal configuration. The 812 is cast iron and has a 15 psi maximum operating pressure.

Online Price: $382.08
Regular Price: $398.00

  • SKU: AN1088
  • Ships within 2 business days

Armstrong inverted bucket steam trap, model 812, with a 1/2" pipe connection in an in-line horizontal configuration. The 812 is cast iron and has a 30 psi maximum operating pressure.

Online Price: $382.08
Regular Price: $398.00

  • SKU: AN1089
  • Ships within 2 business days

Armstrong inverted bucket steam trap, model 812, with a 1/2" pipe connection in an in-line horizontal configuration. The 812 is cast iron and has a 70 psi maximum operating pressure.

Online Price: $382.08
Regular Price: $398.00

  • SKU: AN1090
  • Ships within 2 business days

Armstrong inverted bucket steam trap, model 812, with a 1/2" pipe connection in an in-line horizontal configuration. The 812 is cast iron and has a 125 psi maximum operating pressure.

Online Price: $382.08
Regular Price: $398.00

  • SKU: AN1091
  • Ships within 2 business days

Armstrong inverted bucket steam trap, model 812, with a 1/2" pipe connection in an in-line horizontal configuration. The 812 is cast iron and has a 200 psi maximum operating pressure.

Online Price: $382.08
Regular Price: $398.00

  • SKU: AN1092
  • Ships within 2 business days

Armstrong inverted bucket steam trap, model 812, with a 1/2" pipe connection in an in-line horizontal configuration. The 812 is cast iron and has a 250 psi maximum operating pressure.

Online Price: $382.08
Regular Price: $398.00

  • SKU: AN1093
  • 1 in stock
  • Ships within 2 business days

Armstrong inverted bucket steam trap, model 812, with a 3/4" pipe connection in an in-line horizontal configuration. The 812 is cast iron and has a 15 psi maximum operating pressure.

Online Price: $382.08
Regular Price: $398.00

  • SKU: AN1094
  • 1 in stock
  • Ships within 2 business days

Armstrong inverted bucket steam trap, model 812, with a 3/4" pipe connection in an in-line horizontal configuration. The 812 is cast iron and has a 30 psi maximum operating pressure.

Online Price: $382.08
Regular Price: $398.00

  • SKU: AN1095
  • Ships within 2 business days

Armstrong inverted bucket steam trap, model 812, with a 3/4" pipe connection in an in-line horizontal configuration. The 812 is cast iron and has a 70 psi maximum operating pressure.

Online Price: $382.08
Regular Price: $398.00

  • SKU: AN1096
  • 5 in stock
  • Ships within 2 business days

Armstrong inverted bucket steam trap, model 812, with a 3/4" pipe connection in an in-line horizontal configuration. The 812 is cast iron and has a 125 psi maximum operating pressure.

Online Price: $382.08
Regular Price: $398.00

  • SKU: AN1097
  • Ships within 2 business days

Armstrong inverted bucket steam trap, model 812, with a 3/4" pipe connection in an in-line horizontal configuration. The 812 is cast iron and has a 200 psi maximum operating pressure.

Online Price: $382.08
Regular Price: $398.00

  • SKU: AN1098
  • 1 in stock
  • Ships within 2 business days

Armstrong inverted bucket steam trap, model 812, with a 3/4" pipe connection in an in-line horizontal configuration. The 812 is cast iron and has a 250 psi maximum operating pressure.

Online Price: $382.08
Regular Price: $398.00

  • SKU: AN1099
  • Ships within 2 business days

Armstrong inverted bucket steam trap, model 813, with a 3/4" pipe connection in an in-line horizontal configuration. The 813 is cast iron and has a 15 psi maximum operating pressure.

Online Price: $587.52
Regular Price: $612.00

  • SKU: AN1100
  • Ships within 2 business days

Armstrong inverted bucket steam trap, model 813, with a 3/4" pipe connection in an in-line horizontal configuration. The 813 is cast iron and has a 30 psi maximum operating pressure.

Online Price: $587.52
Regular Price: $612.00

  • SKU: AN1100A
  • Ships within 2 business days

Armstrong inverted bucket steam trap, model 813, with a 3/4" pipe connection in an in-line horizontal configuration. The 813 is cast iron and has a 60 psi maximum operating pressure.

Online Price: $587.52
Regular Price: $612.00

  • SKU: AN1101
  • Ships within 2 business days

Armstrong inverted bucket steam trap, model 813, with a 3/4" pipe connection in an in-line horizontal configuration. The 813 is cast iron and has an 80 psi maximum operating pressure.

Online Price: $587.52
Regular Price: $612.00

  • SKU: AN1102
  • Ships within 2 business days

Armstrong inverted bucket steam trap, model 813, with a 3/4" pipe connection in an in-line horizontal configuration. The 813 is cast iron and has a 125 psi maximum operating pressure.

Online Price: $587.52
Regular Price: $612.00

  • SKU: AN1103
  • Ships within 2 business days

Armstrong inverted bucket steam trap, model 813, with a 3/4" pipe connection in an in-line horizontal configuration. The 813 is cast iron and has a 180 psi maximum operating pressure.

Online Price: $587.52
Regular Price: $612.00

  • SKU: AN1104
  • Ships within 2 business days

Armstrong inverted bucket steam trap, model 813, with a 3/4" pipe connection in an in-line horizontal configuration. The 813 is cast iron and has a 250 psi maximum operating pressure.

Online Price: $587.52
Regular Price: $612.00

  • SKU: AN1105
  • Ships within 2 business days

Armstrong inverted bucket steam trap, model 813, with a 1" pipe connection in an in-line horizontal configuration. The 813 is cast iron and has a 15 psi maximum operating pressure.

Online Price: $587.52
Regular Price: $612.00

  • SKU: AN1106
  • Ships within 2 business days

Armstrong inverted bucket steam trap, model 813, with a 1" pipe connection in an in-line horizontal configuration. The 813 is cast iron and has a 30 psi maximum operating pressure.

Online Price: $587.52
Regular Price: $612.00

  • SKU: AN1106A
  • Ships within 2 business days

Armstrong inverted bucket steam trap, model 813, with a 1" pipe connection in an in-line horizontal configuration. The 813 is cast iron and has a 60 psi maximum operating pressure.

Online Price: $587.52
Regular Price: $612.00

  • SKU: AN1107
  • Ships within 2 business days

Armstrong inverted bucket steam trap, model 813, with a 1" pipe connection in an in-line horizontal configuration. The 813 is cast iron and has an 80 psi maximum operating pressure.

Online Price: $587.52
Regular Price: $612.00

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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.