Gauge Plastic Case Air 0-80 Retard 250psi 3-1/2″ UL/FM GLC (60) Min.(1)

product code: GAPAO4PC250R-GLC Wika Type 111.10S Fire Sprinkler Air Gauge 4″ 0-250psi retard at 80psi, 1/4″ NPT bottom connection. Specially designed for fire sprinkler systems – Air Gauges are designed for use on dry sprinkler systems. Corrosion resistant Black Polycarbonate case. Dial white aluminum with black and red markings, Lens polycarbonate, Copper alloy Bourdon Tube C-shaped, Brass internal movements. Ambient/process temperature: -40 degree F to 140 degree F., Accuracy: +/-3-2-3 percent. Approved by Factory Mutual (FM) and UL listed by Underwriter Laboratory (UL-393). Assembled in USA