Viking Model D-2 Air Pressure Maintenance Device

The Viking Model D-2 air pressure maintenance device is an OEM fire protection system component that automatically regulates and maintains supervisory air pressure in dry pipe and preaction sprinkler systems. Built for continuous standby service with a heavy-duty pressure control assembly, it is compatible with compressed air supply systems and designed for commercial and industrial installations such as warehouses, cold storage facilities, and manufacturing plants where stable supervisory pressure is essential for reliable sprinkler operation. Specifications include Manufacturer: Viking; Model: D-2; Product type: air pressure maintenance device; Function: supervisory air pressure regulation; designed for dry pipe and preaction sprinkler systems; suitable for retrofit and replacement projects within fire protection assemblies.