Armstrong International A8991 Seal Kit for Control Valves Models 81–94, ACV2–ACV6

Description

The Armstrong International A8991 Seal Kit is a genuine OEM replacement designed to restore proper sealing performance across a wide range of Armstrong control valves. Whether you’re performing scheduled preventive maintenance or responding to a leak, this kit provides the sealing components needed to return your control valves to like-new operating condition — minimizing downtime and extending equipment service life.

Compatible Control Valve Models

• Model 81
• Model 82
• Model 83
• Model 84
• Model 90
• Model 91
• Model 92
• Model 93
• Model 94
• Model ACV2
• Model ACV3
• Model ACV4
• Model ACV6

Key Features & Benefits

• Genuine Armstrong International OEM seal kit for assured fit and performance
• Broad compatibility across multiple Armstrong control valve series
• Restores tight shutoff and prevents valve leakage
• Ideal for scheduled preventive maintenance programs
• Reduces the need for full valve replacement, lowering total maintenance costs
• Supports reliable operation in hydronic heating, steam, and HVAC control valve applications

Application

The A8991 Seal Kit is suited for use in commercial and industrial HVAC systems where Armstrong control valves regulate steam, hot water, or chilled water flow. Regular seal replacement is a best practice for maintaining valve integrity, preventing media leakage, and ensuring accurate flow control throughout the system.