To achieve topmost performance and maximum service life, it is necessary to maintain a proper pressure margin between the set pressure of the safety relief valve and the operating pressure of the equipment. Bulk hauling tanks, trailers & rail cars.Low pressure, high volume blowers & compressors.
Rugged bronze construction features elastomer soft seating and TFE coated discs for dependable operation. High volume air relief valves designed for low pressure air and gas service. Flanged inlet sizes 1 1/2" through 6" ANSI 250 lb. These flanged, heavy duty, and high capacity safety valves are ideal for use on all types of boilers, pressure vessels, and pressure piping systems.ĪSME Sections I & VIII, for steam, air, and gas service. Finish: Black phosphate or black paint coating. Sizes: 3/4" through 8", flanged and threaded models. The 6" and 8" elbows have integral 125# ANSI B16.1 flanges and bolt directly to the valve outlet. Elbows through 4" feature female NPT threads and connect to the valve outlet by means of a close nipple. When attached to a safety valve outlet, these elbows collect and remove condensate as well as isolate the valve from discharge piping stresses. The use of a drip pan elbow is highly recommended for steam service safety valves.
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