Armstrong is an established leader in fluid flow innovation. Our products are internationally recognized for design efficiency, long service life and operating economy. Our applications include residential, commercial and industrial installations in some of the worlds premier facilities.

• See also:
• Masterformat 2004
• 21 05 23 - General-Duty Valves for Water-Based Fire-Suppression Piping
• 21 11 00 - Facility Fire-Suppression Water-Service Piping
• 21 20 00 - FIRE-EXTINGUISHING SYSTEMS
• 22 05 23 - General-Duty Valves for Plumbing Piping
• 22 11 00 - Facility Water Distribution
• 22 12 00 - Facility Potable-Water Storage Tanks
• 22 13 16 - Sanitary Waste and Vent Piping
• 22 14 00 - Facility Storm Drainage
• 22 14 13 - Facility Storm Drainage Piping
• 22 14 26 - Facility Storm Drains
• 23 05 23 - General-Duty Valves for HVAC Piping
• 23 05 93 - Testing, Adjusting, and Balancing for HVAC
• 23 08 00 - Commissioning of HVAC
• 23 20 00 - HVAC PIPING AND PUMPS
• 23 21 23 - Hydronic Pumps
• 23 50 00 - CENTRAL HEATING EQUIPMENT
• 23 51 00 - Breechings, Chimneys, and Stacks
• 23 51 13 - Draft Control Devices
• 23 51 16 - Fabricated Breechings and Accessories
• 23 51 19 - Fabricated Stacks
• 23 51 23 - Gas Vents
• 23 51 33 - Insulated Sectional Chimneys
• 23 52 00 - Heating Boilers
• 23 52 16 - Condensing Boilers
• 23 52 19 - Pulse Combustion Boilers
• 23 52 23 - Cast-Iron Boilers
• 23 52 33 - Water-Tube Boilers
• 23 52 39 - Fire-Tube Boilers
• 23 84 00 - Humidity Control Equipment
• 23 84 13 - Humidifiers
• 23 84 16 - Dehumidifiers
• 23 84 19 - Indoor Pool and Ice-Rink Dehumidification Units
• 43 21 00 - Liquid Pumps
• 46 25 00 - Oil and Grease Separation and Removal Equipment
• Masterformat 1995
• 11310 - Sewage and Sludge Pumps
• 15100 - Building Services Piping
• 15110 - Valves
• 15130 - Pumps
• 15160 - Storm Drainage Piping
• 15300 - Fire Protection Piping
• 15450 - Potable Water Storage Tanks
• 15500 - Heat Generation
• 15510 - Heating Boilers and Accessories
• 15550 - Breechings, Chimneys, and Stacks
• 15750 - Humidity Control Equipment
• 15950 - Testing, Adjusting, Balancing