Medium capacity safety valves protect ASME Section IV low pressure steam heating boilers. Low Pressure Steam Heating Boiler Safety Valves Made from proven ASTM grade Brass with optional decorative chrome finish.ĪSME Section VIII capacity certified safety valve for overpressure protection of steam systems, cookers, kettles, sterilizers and similar equipment.
#500 AG CONTROLAIR VALVE PORTABLE#
Short tuned blowdown and backpressure tight body minimizes fugitive emissions and product losses in the event of valve operation.ĪSME Section VIII design certified Safety Valve to protect portable steam vessel applications such as autoclaves, sterilizers and pressure cookers against excess pressure build-up.
#500 AG CONTROLAIR VALVE FULL#
High capacity full nozzle design is available with metal to metal, PCTFE or elastomer O-ring seating. Versatile safety relief valve available in bronze, carbon steel or all stainless steel construction, suitable for a wide range of steam, air, gas, and liquid applications. OEM Style Bronze Safety Valves for Steam, Air, and Non-Hazardous GasĪpplications: Small to medium sized steam power boilers, sterilizers and distillers, air compressors and receivers, pressure vessels, and pressure piping systems. Steam, air and gas accumulators, pressure vessels, and pressure piping systems. Pneumatic conveying equipment, air compressors, receivers and dryers. The minimum recommended operating pressure margin for this type of safety relief valve is 10 psi or 25% of the operating pressure, whichever is greater.īronze Safety Valves for Steam, Air, & Gas ServiceĪSME V Sec I, UV Sec VIII, 1/2" to 2 1/2"Īpplications: Overpressure protection of steam boilers, sterilizers, distillers, cookers, and pressure reducing stations. 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. Use these valves to control two clutches, a clutch and a brake, two single acting cylinders or a double acting cylinder… wherever you want to selectively control pressure in either of two separate air lines with one lever.The use of a drip pan elbow is highly recommended for steam service safety valves. Lever remains in the position where released. The opposite port remains connected to atmosphere. Initial lever movement from “mid” position selects the outlet port to be activated. Further lever movement in the same direction controls the outlet pressure at that point. Each directional valve has its own outlet port. It consists of two 3-way directional valves and a 3-way pressure regulating portion. The regulating portion furnishes inlet air to the directional valves. The valve is a lever operated, pressure regulating, 4-way directional valve. The HC-2-FM valve is designed for open deck marine service and is the same as the HC-2-FX CONTROLAIR valve, except it features longer handle travel, more accurate positioning and a polished chrome plated bronze cover and handle.
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