|Unit Price:||300~3000 USD|
|Min. Order:||1 Piece/Pieces|
|Productivity:||500 Piece/Pieces per Month|
|Place of Origin:||china|
|Supply Ability:||500 Piece/Pieces per Month|
Once installed, proper use and regular maintenance of the Marine Helical Rotor Flowmeter are very important to the flowmeter. The Lzx Type Marine Helical Rotor Flowmeter can only work within the specified accuracy range if it is used correctly; it will only function properly if the flowmeter is properly maintained on a regular basis. During the debugging and normal operation of the Spiral Rotor Flowmeter, the following matters should be paid attention to:
After correct installation and check, newly designed or newly installed helical rotor flowmeter system should be inspected for commissioning following the procedures as follows.
1) Close forward and after valves (switch valve and control valve) of the flowmeter, slowly open bypass valve (for the horizontal installation type, bypass valve is in the bypass pipeline, for the vertical installation type, bypass valve is in the main pipeline, see figure 4-21) to make the fluid flow through bypass valve to wash the remaining impurities inside the pipeline in order to make pressure balance between inlet and outlet. If there is no bypass pipeline, use one short pipe instead of flowmeter in the pipeline to make the fluid flow, after cleaning remove the short pipe instead of flowmeter.
2) Start up flowmeter, for accumulated flowmeter with remote transmission, first connect signal line and power line and energize for preheating, then slowly open forward switch valve of flowmeter and after control valve, finally slowly close bypass valve. Use control valve in the outlet to control flow to make flowmeter work in normal flow.
If temperature of the fluid to be measured is very high with big difference comparing to ambient temperature, then flowmeter system should be preheated before running to make flowmeter and pipeline system slowly warm up in order to ensure normal running of flowmeter.
3) Observe and record parameters change of each item, such as temperature and pressure, the system should be no great vibration, noise and leakage etc. During period of steady running, the commissioning will be finished.
2. Normal operation
After helical rotor flowmeter is put into normal operation through normal commissioning, operator should do usage and maintenance as following items.
1) During operation, observe flow, temperature, pressure and viscosity of measured fluid to check if the parameters accord with usage range of flowmeter, if the difference is bigger, should find out reason and consider compensation.
2) Start up and close up flowmeter according to the order of commissioning. In general, strict operation procedures and rules should be worked out, including usage regulations, inspecting operation instruction and period, troubleshooting procedure, activation provision of standby flowmeter and seals of flowmeter and bypass valve etc.
3) Check, maintain and inspect whole flowmeter system periodically, including flowmeter, valves and pipelines, matched devices as filter and LPX etc., measuring instruments thermometer, pressure gauges and densimeter etc., protecting devices relief valve, metering valve and annunciator etc., and flow auxiliary devices as flow indicating instrument, record fitting, compensating fitting etc..
When the temperature of measured fluid is higher than 80℃, max. flow of flowmeter is 90% of original max. flow, and min. flow is 120% of original min. flow.
Elipse gear flowmeter
Taizhou Jiabo Instrument Technology Co., Ltd. is a professional manufacturer specializing in the production of automatic instruments, various sensors and measurement and control equipment. It has been widely used in shipbuilding, petroleum, chemical industry, light industry, nuclear industry, food, medicine and other industries to detect and control the liquid level of media in various towers, tanks, tanks and containers.
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