AC700 시리즈
AC700 Series
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Automatic Changeover Regulators and Systems
AC700 Series is DRASTARs Automatic Changeover Regulator and System to provide high flow gases from both cylinder or supply lines continuously and stably in the fields of hospital, pharmaceutical line, research labs, etc. The system is a wall mounting type (standard) constructed of changeover system and regulator. With inlet pressure of 250bar(3,600psig) and outlet pressure up to 290psig (20bar), AC 700 series is extensively applicable for cylinder gas, bulk gas line, lab, specialty gas for analysis application, high purity gases, mixing gas, and corrosive gases, etc. [How-to-use and matters to note] 1. Connect the gas cylinders both to the left and right connection holes of the system. a) To prevent back flow, check valve in between the gas cylinder and AC system MUST be installed. 2. Choose the cylinder (left or right) to use the gas first and set the knob to that cylinder direction. 3. If gas from the first cylinder (A) is consumed or the pressure drops below the working level, the system automatically changes the gas supply cylinder from (A) to the secondary cylinder (B). a) The knob does NOT turn automatically but can be turned manually tuning to the cylinder which currently supplies the gas. b) If the first consumed gas cylinder (A) is replaced with new one while the media is still flowing from cylinder B and the arrow is indicating (A) cylinder as it was not set manually to the secondary cylinder, then cylinder A will supply the gas again in compliance with the knob’s direction. c) Recommended NOT to leave both cylinders empty simultaneously to prevent from gas leakage. ※ Automatic changeover will change the flow direction under following conditions; -/+ 2.5bar. - For outlet 2bar and 5bar products : if pressure is dropped below 10bar. - For outlet 10bar product : if pressure is dropped below 15bar. - For outlet 15bar product : if pressure is dropped below 20bar. - For outlet 20bar product : if pressure is dropped below 25bar. ※ Caution: Filtering (gas 7㎛ ~ 15㎛, water 15㎛ ~ 80㎛) is a MUST to use in the general gas application other than high purity gases. Otherwise, it may cause a failure to the regulators. It is strongly recommended to install filter for extension of life span and saving the maintenance expense. |
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