Control Devices VR Series Brass Vacuum Relief Valve, 0-30" Hg Vacuum Range, 3/8" Male NPT from Control Devices

Price: $12.32
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Product Description

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Manufacturer Description

This Control Gadget VR38-100 vacuum relief valve has a brass body, an adjustable relief pressure, and a 3/8" male NPT threaded inlet connection. The valve's brass body, stainless steel spring, nylon poppet, and Nitrile seal resist rust and can be made use of in operating temperature levels up to 250 degrees F. This proportional-type relief valve opens at a rate relative to the boost in vacuum pressure, and can be adapted to open in between 0 and 30" Hg (inches of mercury) withing the knurled change screw and locking jam nut. The valve is manufacturing facility pre-programmed to open at 20 pounds per square inch (psi) and has a flow rate of 5 cubic feet per minute (CFM). This vacuum relief valve is ideal for use in vacuum applications such as to avoid a tank from collapsing while it is being emptied or after a sterilization-in-place (SIP) procedure.

Relief valves get rid of excess pressure or vacuum from a system. The valve openings enable fluids or gases to run away to reduce pressure, and then close once the valve reaches the reseating pressure limitation. They likewise ease excess vacuum by opening to release a gas into the system and then closing after it reaches its low-pressure limitation. Some relief valves have a modification system to set the pressure where the valve opens, making it ideal for numerous applications. Relief valves are rated according to the volume of fluid or gas that can stream with them and the material that the valve is constructed from have to be ideal for the fluid or gas, which may be destructive or at a severe temperature, in which it operates. Relief valves are made use of in a variety of applications, such as air compressors, petrochemical and chemical production, natural gas processing, and power generation.

Control Gadget manufactures valves and other flow control gadgets. The business, founded in 1963, is headquartered in Fenton, MO.

Product Information

Model "VR" vacuum relief valves are used in systems to maintain a desired vacuum level. Please note that they are proportional relief valves and not "pop" type safety valves. Not preset at the factory, but easily adjusted with knurled adjustment screw and locked with jam nut. Three sizes are offered: 1/4" NPT (VR25), 3/8" NPT (VR38), and 3/4" NPT (VR75). All brass construction, with stainless steel springs. VR25 uses stainless steel ball as poppet, while VR38 and VR75 poppets are nylon with nitrile seals. Max. temperature 250° F.

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