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J -bCOM -b ( V�Zlb <br /> 4.4 System Description & Component Identification <br /> Gas Storage Tank Rack <br /> The gas storage tank rack assembly consists of welded steel framework with heavy- <br /> duty casters. Within the framework is an ASME certified 60-gallon pressure vessel <br /> rated for 200 P.S.I., a wiring raceway, and a large junction box for the wiring <br /> connections. The pressure vessel is equipped with an ASME certified pressure relief <br /> valve. Gas is introduced into the tank through a threaded pipe connection art one end <br /> of the tank. The inlet piping is equipped with two listed automatic gas safety shutoff <br /> valves, with a rated opening pressure of 250 P.S.I., and a quick disconnect coupling for <br /> connecting to a bottle gas supply (provided by others). <br /> The vapor supply within the tank is monitored by redundant gas pressure switches, <br /> rated for at least 1000 P.S.I., installed on the end of the tank opposite the inlet <br /> connection. This switch closes the two automatic valves in the tank's fill line when the <br /> pressure in the tank reaches approximately 50 P.S.I. An additional pressure switch is <br /> also provided on the tank's end opening for redundant over pressure protection. The <br /> pressure within the tank can also be monitored visually by watching a pressure gauge, <br /> which is installed in one of the tanks, threaded openings. <br /> Caution <br /> These settings should be maintained as per system design and third party approval on <br /> record. Changes to these settings higher than 50psi could cause system or component <br /> failures. <br /> The gas exits the tank through 2" NPT threaded openings in the top of the tank. Each <br /> of these openings is joined at a manifold assembly providing a total of four supply lines <br /> from the tank. Each of these lines are equipped with a listed automatic gas safety shut- <br /> off valve and a listed quick disconnect device for connection to a gas rated hose <br /> assembly. The hoses also have a quick disconnect device downstream end for <br /> connection to the system's Gas Burner Assembly (a.k.a. "Cube Burner")or other flame <br /> effects manufactured by JEM FIX Inc. <br />