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Intelligent water meter installation guide

by:Sincerity     2020-10-14
Abstract: the intelligent water meter installation guide information produced by excellent flow meter, flow meter manufacturer to offer you the quotation. Intelligent water meter installation guide water meter is a kind of flow measurement instrument, measurement is correct and reasonable allocation of water resources measurement apparatus. China institute of metrology flow, director, deputy researcher dong-wei wang recently in an interview with reporters, points out that in order to ensure the water meter. More flow meter manufacturers choose model price quote you are welcome to inquire, here is the intelligent water meter installation guide for details. Intelligent water meter installation guide water meter is a kind of flow measurement instrument, measurement is correct and reasonable allocation of water resources measurement apparatus. Institute of metrology flow, director, deputy researcher dong-wei wang recently in an interview with reporters, points out that in order to ensure the accuracy of water meter, water meter in the market strong products inspection, at the same time, strengthen the supervision and management of also cope with the water meter installation and use of attention. Water meter installation specification meter to consider three factors of water meter installed correctly is necessary to guarantee the accuracy of the meter measuring safeguard. 2 & ndash; 1996 is a standard about water meter installation requirements. The installation of water meter must consider safety, convenience and reliability correctly. Used to measure water flow meter can be reference to its corresponding installation requirements. 1 security ( 1) Before the new meter installed on laying of pipeline, debris flushing of the pipe must be clean before installation, in order to avoid damage to the meter, or drainage systems after the normal operation of the water meter. ( 2) Water meter installation, must consider the use of water pressure and water temperature in the water meter zui big working pressure and temperature within zui big use. Small civil water meter installation should also pay attention to the water meter connection to take over and nut whether feel is particularly thin, avoid and inferior water meter installation. ( 3) Outdoor installation of water meter should be installed protective box, general should not be installed in the exposure and freezing, prevent foreign damage. Winter season, outdoor installation of water meters should be anti-freezing measures. Note: the north ( North of the Yangtze river) Regional water supply enterprise rules of water meter outdoor installation location is under permafrost, indoor heating can assure indoor water meter from frost crack, are better than the south. ( 4) To consider security, especially the copper shell water meter. ( 5) The location of the water meter installation, should also avoid erosion corrosion gas. ( 6) Industrial water meter such as near the boiler, after the table should be equipped with check valve, in case of hot water to pour back to damage the water meter parts. 2 convenience meter installation position should be read as convenient copy look-up table, consider the convenience of maintenance and change the table. ( 1) To install the outdoor water meter, choose a dry, prevent sediment, groundwater immersion resistant, insect class into the position should be very necessary. ( 2) Water meter installed in the ground, to facilitate the replacement of water meter, on both ends of the water meter must be equipped with two cut-off valve. The expansion water meter inlet front-end installation ( Telescopic tube, filter tank, filter water) Water area, should be a water meter diameter section 1 ~ 2 times, often in order to facilitate inspection, replacement, or cleaning. Accuracy of 3 meter installation shall conform to the requirements of the way it works, shall be installed in azimuth, dial towards and upstream and downstream straight pipe meet the use requirements of the water meter. ( 1) Most of the water meter installation method requirements. Dial or H represents the level of the nameplate of installation, V represents the vertical installation, without the two symbol can be installed in any direction. The water meter dial up, shall not be tilted. The flow of water meter should be consistent with the piping water flow. Part of the water meter, Such as displacement meter, etc. ) Can be installed any direction. ( 2) Water meter installation should make the direction of the arrow on the casing and is consistent with the flow of pipeline internal waters, and with the coaxial pipe installation. ( 3) Horizontal installation of water meter dial up commonly not tilt. Can't consider reading easily and adjust the light toward reading meter indicating dial. Note: some dry water meter reading indicator fishing can be 360 & lsquo; Rotation for easy reading. A water meter installed in vertical or inclined, the impeller shaft parallel to the center line of the pipeline must be kept. ( 4) Water meter of the upstream and downstream straight pipe must meet the requirements of the specification for speed type water meter more attention should be paid to it. Horizontal spiral type water meter and single beam type water meter on the straight pipe is particularly needed. Downstream water meter should be higher than that of water meter parts ( Water tap) Or maintain a certain pressure, so that the meter is always full of water under the condition of pipeline operation. ( 5) Downstream of the water meter should be no a line position is higher than the meter location, in order to make sure the water meter work under full pipe flow conditions. Above is all there is in this article, you are welcome to inquire me manufacturer flowmeter selection, quotation, etc.
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