Category Products

  • SKU: AN1330
  • 3 in stock
  • Ships within 10 business days

Armstrong 1/2" 1AV cast iron air vent with a 300 psi maximum operating pressure.

Online Price: $184.32
Regular Price: $192.00

  • SKU: AN1332
  • Ships within 10 business days

Armstrong 3/4" 1AV cast iron air vent with a 300 psi maximum operating pressure.

Online Price: $184.32
Regular Price: $192.00

  • SKU: AN1625
  • 1 in stock
  • Ships within 2 business days

Armstrong model 1AV cast iron air vent with a 1/2" NPT connection for service up to 146 psi. The 1AV uses a free-floating lever that closes positively, ensuring a leak tight closing under all conditions.

Online Price: $184.32
Regular Price: $192.00

  • SKU: AN1625A
  • Ships within 2 business days

Armstrong model 1AV cast iron air vent with a 1/2" NPT connection for service up to 173 psi. The 1AV uses a free-floating lever that closes positively, ensuring a leak tight closing under all conditions.

Online Price: $184.32
Regular Price: $192.00

  • SKU: AN1625C
  • Ships within 2 business days

Armstrong model 1AV cast iron air vent with a 1/2" NPT connection for service up to 219 psi. The 1AV uses a free-floating lever that closes positively, ensuring a leak tight closing under all conditions.

Online Price: $184.32
Regular Price: $192.00

  • SKU: AN1625G
  • 1 in stock
  • Ships within 2 business days

Armstrong model 1AV cast iron air vent with a 3/4" NPT connection for service up to 146 psi. The 1AV uses a free-floating lever that closes positively, ensuring a leak tight closing under all conditions.

Online Price: $184.32
Regular Price: $192.00

  • SKU: AN1625H
  • Ships within 7 business days

Armstrong model 1AV cast iron air vent with a 3/4" NPT connection for service up to 173 psi. The 1AV uses a free-floating lever that closes positively, ensuring a leak tight closing under all conditions.

Online Price: $184.32
Regular Price: $192.00

  • SKU: AN1625K
  • Ships within 7 business days

Armstrong model 1AV cast iron air vent with a 3/4" NPT connection for service up to 219 psi. The 1AV uses a free-floating lever that closes positively, ensuring a leak tight closing under all conditions.

Online Price: $184.32
Regular Price: $192.00

Category Repair Parts

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.