Category Products

  • SKU: AN1340
  • 4 in stock
  • Ships within 7 business days

Armstrong 3/4" 11AV stainless steel air vent with a 178 psi maximum operating pressure.

Online Price: $337.92
Regular Price: $352.00

  • SKU: AN1635
  • Obsolete

Armstrong model 11AV all stainless steel air vent with a 1/2" NPT connection for service up to 178 psi. The 11AV provides positive venting of air/gases under pressure. The vent's body and caps are welded together to form a permanently sealed, tamperproof unit with no gaskets. Elliptical floats and high leverage enable the 11AV to provide a capacity up to 115 SCFM. Lever action is guided to ensure proper seating of the valve under all operating conditions. The vent features the same free-floating mechanisms used in other Armstrong steam traps.

This item is obsolete. It is shown for reference purposes only. Please call (877) 775-7705 for repair parts and replacements.

  • SKU: AN1635A
  • Ships within 7 business days

Armstrong model 11AV all stainless steel air vent with a 1/2" NPT connection for service up to 267 psi. The 11AV provides positive venting of air/gases under pressure. The vent's body and caps are welded together to form a permanently sealed, tamperproof unit with no gaskets. Elliptical floats and high leverage enable the 11AV to provide a capacity up to 115 SCFM. Lever action is guided to ensure proper seating of the valve under all operating conditions. The vent features the same free-floating mechanisms used in other Armstrong steam traps.

Online Price: $337.92
Regular Price: $352.00

  • SKU: AN1635C
  • 1 in stock
  • Ships within 7 business days

Armstrong model 11AV all stainless steel air vent with a 1/2" NPT connection for service up to 400 psi. The 11AV provides positive venting of air/gases under pressure. The vent's body and caps are welded together to form a permanently sealed, tamperproof unit with no gaskets. Elliptical floats and high leverage enable the 11AV to provide a capacity up to 115 SCFM. Lever action is guided to ensure proper seating of the valve under all operating conditions. The vent features the same free-floating mechanisms used in other Armstrong steam traps.

Online Price: $337.92
Regular Price: $352.00

  • SKU: AN1635H
  • Ships within 7 business days

Armstrong model 11AV all stainless steel air vent with a 3/4" NPT connection for service up to 267 psi. The 11AV provides positive venting of air/gases under pressure. The vent's body and caps are welded together to form a permanently sealed, tamperproof unit with no gaskets. Elliptical floats and high leverage enable the 11AV to provide a capacity up to 115 SCFM. Lever action is guided to ensure proper seating of the valve under all operating conditions. The vent features the same free-floating mechanisms used in other Armstrong steam traps.

Online Price: $337.92
Regular Price: $352.00

  • SKU: AN1635K
  • 6 in stock
  • Ships within 7 business days

Armstrong model 11AV all stainless steel air vent with a 3/4" NPT connection for service up to 400 psi. The 11AV provides positive venting of air/gases under pressure. The vent's body and caps are welded together to form a permanently sealed, tamperproof unit with no gaskets. Elliptical floats and high leverage enable the 11AV to provide a capacity up to 115 SCFM. Lever action is guided to ensure proper seating of the valve under all operating conditions. The vent features the same free-floating mechanisms used in other Armstrong steam traps.

Online Price: $337.92
Regular Price: $352.00

Category Information

Category Videos

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.