Custom In-Line Circulators

Overview

Armstrong Hydronic Speciality products help to improve the safety, convenience and performance of hydronic heating and chilled water cooling systems.

This product family includes system components used for the following functions and applications:

• Boiler trim
• Flow control
• Air extraction
• Fluid expansion
• System balancing
• DHW re-circulation

Design Features

Armstrong Hydronic Speciality products help to improve the safety, convenience and performance of hydronic heating and chilled water cooling systems.

• Circulator Isolation Flanges: CIF Series simplify circulator servicing.
• Circuit Balancing Valves: ARMflo CBV Series provide superior adjustment precision.
• Differential Pressure Manometers: DPM Series provide digital precision in a compact instrument.
• Automatic Air Vents: AV series ease air extraction to reduce noise and corrosion.
• Flow Control Valves: Prevent gravity flow when the circulator is stopped.
• Relief and Reducing Valves: Maintain system design pressure for maximum performance.
• 24-Hour Timer: Domestic hot water recirculation time-of-day control.
• Aquastat: Helps save domestic hot water recirculation energy costs.
• Expansion Tanks: Compensate fluid volume changes during heating and cooling.
• Expansion Tank Fittings: TMA/TDV Series facilitate tank charging and draining.
• BTU rate One Pipe Tees: Economical solution to divert fluid through branch circuits.
• Air Removal Trap: ART Series collect entrained air bubbles for venting.
• ....and more.

Typical Specifications

Automatic Air Vents - Series AV

Furnish and install, as shown on plans and in accordance with manufacturer’s installation instructions. The device shall have a brass body construction and corrosion resistant wetted parts. The air vent shall be suitable for use with cold and hot water systems. The 1/2" models shall be supplied with an isolation valve. The air vents shall be Armstrong Series AVA or AVV.