Xianyang Taist Test Equipment Co., Ltd.

DESCRIPTION:

Description: From top down, the screening device consists of a rectangular screen box, a screen plate, a diaphragm chamber with a weir box attached, and a stand. The diaphragm chamber is attached to the stand. Before each run, the screen plate is secured between the diaphragm chamber and the screen box by locking clamps. Gaskets above and below the screen plate make the assembly watertight. The screen plate is made of 316 stainless steel. There are 756 slits in the screen plate arranged in 6 columns of 126 slits each. The slit pitch within a column is 2 mm. The entire slit pattern on the screen plate measures 250 × 300 mm. The slits are 45 ± 0.5 mm long by 0.15 +0.005/-0.01 mm wide (the slits near the nozzle are shorter). A spray nozzle with 12 equally spaced horizontal holes is mounted at the center of the screen plate. The holes are equal in size and are positioned 2 mm (measured from the center of the hole) above the screen plate surface. The spray nozzle is calibrated for a flow of 8.6 ± 0.2 liters/minute at a water supply of 124 ± 5 kPa. A rubber diaphragm in the diaphragm chamber is connected to an eccentric mechanism, which in turn is driven by a motor. The eccentric runs at 700 ± 10 rpm and creates a vertical movement of 3.2 ± 0.1 mm maximum movement for the diaphragm. At the flow rate of 8.6 liters/minute, the height of the weir in the weir box maintains the water level inside the screen box at 102 ± 2 mm above the screen plate surface. Specifications: Standard slot plates: - 756 slots in 6 rows - Slot width: 0.15 mm - Slot length: 45 mm Optionally available: slot plates with 0.08 mm and 0.1 mm Calibrated ring-jet (8.6 l/min at 123.8 kPa) All parts in contact with water are made of non-corrosive materials Vibration frequency of the diaphragm: 700 times/min Overflow height: 102 mm Vertical movement of membrane: 3.2 mm Motor: safety class 1P 55 (690 to 700 rpm) Control cabinet for wall mounting Spraying nozzle and hose for cleaning included Ready for use delivery (plug & operate) Optional accessories: Φ10 mm perforated screen plate; screen plates with slot widths of 0.2 mm, 0.25 mm, and 0.3 mm; stirrer.

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