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The glass plate liquid level meter is divided into three types: light-transmitting, reflective and mirror-type. The liquid level meter is mainly composed of a liquid level meter body, an upper valve (a steam valve), a lower valve (a liquid valve), a sewage plug (sewage valve), and an insurance steel ball. When the glass plate is damaged by splitting or the like, the safety steel ball automatically blocks the gas and liquid side valves to prevent or reduce the outflow of the medium, and is convenient for manually cutting the root valve of the liquid level meter for processing. The series is sturdy, reliable and easy to install. It is an ideal instrument for liquid level observation in various medium and low pressure vessels.
The liquid level gauge is connected to the upper and lower flanges of the liquid level meter and the upper and lower flanges of the container to form a communicating device, so that the liquid level can be directly observed.
This product implementation standard: HG 21588-21592-95
1. Working pressure: ≤ 6.4MPa
2. Working temperature: ≤250°C (specially up to 450°C)
3. Center distance (mm): 550, 850, 1150, 1450, 1750 ± 1 ~ 5mm (the center distance is not in the above range of negotiated orders)
4. Mounting flange sealing surface vertical plane error: ≤ 1mm
5. Wetted material: 304, 316L, carbon steel
6. Connection flange standard: HG20592-2009 (user can specify)
Operation and Maintenance
After the instrument is connected to the flange of the container, the pressure test shall be carried out according to the regulations, and the use shall be allowed only after the requirements are met.
Preparation
1. Open the drain valve (plug);
2. Slowly open the upper valve (steam valve). When the temperature difference between the ambient temperature and the medium temperature is greater than 40 degrees, the liquid level meter must be preheated. After the temperature of the liquid level meter reaches the medium temperature, the valve can be opened gradually until all Open
3. Slowly close the drain valve (plug), observe the level gauge and each joint, if there is leakage, it should be treated;
4. After no leakage, slowly open the lower valve (water valve) to observe whether the water level is normal;
5. Fully open the upper and lower valves to put the liquid level meter into operation
Operation and Maintenance
1. It is strictly forbidden to observe the water level during operation;
2. Pay attention to the leakage of the sealing ring. If there is any leakage, it should be handled in time to avoid media leakage and injury;
3. When the contamination inside the glass plate cannot be observed, close the vapor-liquid side valve and open the drain valve (plug). After the pressure is completely relieved and the medium is drained, the glass plate can be removed for cleaning. After re-installation, it must be confirmed. No leakage can be put into use;
4. When the equipment is overhauled or the user makes the inspection cycle according to the corrosion and cleaning conditions of the liquid medium, check the safety steel ball in the upper and lower valves of the instrument. If there is corrosion, scaling, deformation, etc., it must be replaced immediately.
Sichuan VACORDA Instruments Manufacturing Co., Ltd.is a professional production-manufacturing enterprise specialized in designing, producing and marketing of instruments and apparatuses. Our company has been established for 25 years since 1997 to grow up to be a team of high-quality, united, hard-working and truth-seeking characters. Solid foundation has been established.
Our main products are:
1. Magnetic level gauge, magnetic level switches, magnetic level controllers, bicolor quartz tube level gauge, boiler water level gauge and glass plate liquid level gauge, capacitance level gauge, ultrasonic level transmitter, radar level transmitter and liquid (material) level switch series;
2. Wedge-shaped flow meter, metal rota-meter, V Cone flow meter, throttling device, electromagnetic flow meter, vortex flowmeter, turbine flowmeter, ultrasonic flowmeter;
3. Pressure transmitter, differential pressure transmitter series;
4.Temperature transmitter, bimetallic thermometer, thermocouple, rtd series.
Our quality policy is "the implementation of the system, strict management, improvement to improve customer satisfaction," so that customer satisfaction is our eternal pursuit. We will always take customer concerns, sincere and trustworthy, and constantly strive to improve to improve, to better product quality, better service to return all the friends for their support and love
Q: The new magnetic flap liquid level gauge can't show liquid level?
A: 1.check whether there is block in by pass pipe 2.check the the density of medium 3.check whether the float ball is stucked by float ball.
Q: The longest length of magnetic flap liquide level gauge?
A: the length is customized,but in order to be convenient for transport,if the length is over 6m,we recommend
Q: If the float ball is installed at the wrong opposite direction,what's the influence?
A: reading level will be higher than true level,usually higher by length of floatball-70mm
Q: What's installation details of magnetic flap liquid level gauge ?
A: 1.before installation,check specification with label plate. 2.There shouldn't magnetic field within 400m
Q: There is problem in output signal 4--20mA?
A: 1.Check working power supply 2.check wiring 3,check load resistance 4.verify measuring range,zero point
Q: what's specification we need to know before purchasing magnetic flap liquid level gauge?
A: medium density,working temperature,working pressure,material,flange center to center distance,flange standard,whether need 4--20mA output signal;wether need level alarm
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