3 inch diameter inspection aperture / insulation plug with integrated swing cover. Available in 1/2″, 3/4″ and 1.5″ depths to accommodate various types of insulation.

This insulation inspection port is ideal for non-destructive (NDT) testing access through insulation jacketing in process piping, steam piping, vessels tanks and other insulated industrial equipment requiring periodic inspection.

Industries include petro-chemical refineries, power generation facilities, chemical processing plants, cryogenic facilities, etc.