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1, QPF-F50-type pneumatic balance valve, also known as the main pressure reducing valve, used in the pneumatic circuit, the compressed air pressure to adjust the value of the pressure set point is almost constant. 2, the valve is pressure regulating - overflow combination valve. When the outlet pressure is lower than the set pressure, it acts as a pressure regulating valve to increase the pressure to the set pressure. When the outlet pressure is higher than the set pressure, the relief valve...
Relief valve easy to produce high-frequency noise, mainly due to unstable pilot valve performance, that is, the pilot valve pre-cavity pressure caused by high-frequency vibration air vibration noise. The main reasons are: (1) Air is mixed with air and cavitation occurs in the pilot chamber leading to high frequency noise. At this point, the air should be drained in time to prevent the outside air from re-entering. (2) When the needle valve is worn frequently due to frequent opening during use,...
When the high and low temperature chamber refrigeration system appears when the expansion valve for a long time or less expansion valve is not small, superheat, undercooling is not correct and so on. The reason may be the temperature of the package out of the fault. 1) The temperature of the capillary cracks, so that the charge inside the temperature sensor missing, resulting in the correct signal can not be passed to the thermal expansion valve actuator mechanism. 2) Temperature Wrapped...
A: stable and reliable 1,99% oil separation efficiency of new oil separation system, the unit does not need to add oil after boot. 2, Unique winter condensing pressure constant regulation system, to eliminate the shortage of winter cold fluid supply and insufficient compressor oil phenomenon, 3, each unit factory value are standard computer controller, automatic adjustment of compressor running time, extended compression Machine life. 4, Each unit comes standard with a full set of safety...
G W-type pipe sewage pump Features: 1, sewage capacity, no congestion. 2, reasonable design, matching motor power, energy-saving effect is remarkable. 3, wear-resistant mechanical seal. 4, compact structure, easy to move, easy to install, no need to build pump room, reduce project cost. 5, to be able to run in the whole range, while ensuring that the motor will not be overloaded. 6, inlet and outlet centerline in a straight line, can be installed directly in the pipe anywhere. GW type pipe...
1, QPF-F50-type pneumatic balance valve, also known as the main pressure reducing valve, used in the pneumatic circuit, the compressed air pressure to adjust the value of the pressure set point is almost constant. 2, the valve is pressure regulating - overflow combination valve. When the outlet pressure is lower than the set pressure, it acts as a pressure regulating valve to increase the pressure to the set pressure. When the outlet pressure is higher than the set pressure, the relief valve...
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Relief valve easy to produce high-frequency noise, mainly due to unstable pilot valve performance, that is, the pilot valve pre-cavity pressure caused by high-frequency vibration air vibration noise. The main reasons are: (1) Air is mixed with air and cavitation occurs in the pilot chamber leading to high frequency noise. At this point, the air should be drained in time to prevent the outside air from re-entering. (2) When the needle valve is worn frequently due to frequent opening during use,...
When the high and low temperature chamber refrigeration system appears when the expansion valve for a long time or less expansion valve is not small, superheat, undercooling is not correct and so on. The reason may be the temperature of the package out of the fault. 1) The temperature of the capillary cracks, so that the charge inside the temperature sensor missing, resulting in the correct signal can not be passed to the thermal expansion valve actuator mechanism. 2) Temperature Wrapped...
Valve actuators are one of the devices used to operate the valve and connect it to the valve. The device is powered by electricity and its movement can be controlled by stroke, torque or axial thrust. The proper operating characteristics and utilization of valve actuators depend on the type of valve, the work specifications of the device and the position of the valve on the pipeline or equipment. Choose by: 1. Operating thrust. There are two kinds of the main structure of the valve electric...
First, the selection of several test methods Flow measurement instrument verification, usually using real-flow test and dry test in two ways. Which way to check the flow meter depends on the measurement system requirements of measurement uncertainty, was seized flow meter type, use, with the test conditions, the cost of testing and many other factors. Generally, the flow meters used for liquid metering (such as crude oil and water meters) basically use the real flow test, while the gas flow...
FMB BLICKLE mainly produces hydraulic pumps. As one of the largest hydraulic brands under Bosch Rexroth, FMB BLICKLE has accumulated 25 years of successful experience. Over the years, focusing on innovation and customer orientation, and having professional after-sales service won End user's approval! Now in Germany more than 80 employees produce hydraulic products such as FMB-BLICKLE hydraulic pump! Our German company has been established for several years, has sufficient strength, our direct...
(1) Attention should be paid to the anomalous sound, vibration or abnormal signal of the monitoring system at any time. There must be a reason for this. If an abnormal phenomenon is found, the circuit diagram is immediately found and the diagram is taken. Careful observation is made as to whether the abnormal phenomenon is a temporary error . Assessment need not need parking treatment. All pressure, load, temperature, time, start, stop when it includes the possible causes of abnormal phenomena....
1. Control valve should be installed before the pipeline dirt, rust grease and slag, etc. to be cleaned; after installation, the valve should be at the maximum opening of the pipeline, the valve to clean and test the sealing of the joints, so as to avoid Slipping phenomenon occurs during operation or damaged spool, seat. 2. Should be installed near the ground or floor to facilitate maintenance and repair; for semi-valve with a valve positioner or hand wheel mechanism, should ensure that the...
Solenoid valve is a solenoid-controlled industrial equipment, in the refrigeration system to adjust the direction of the media, flow, speed and other parameters. For the characteristics of the solenoid valve, solenoid valve should be how to choose? In order to extend the life of the solenoid valve, but also how to maintain it? Interpretation | Solenoid valve structure principle know? (1. Body 2. Air Inlet 3. Air Outlet 4. Wire 5. Plunger) After reading the dynamic diagram, is not found that the...
SUN valve produced in the United States, the type of valve can be divided into: the valve, balance valve, pressure relief valve, sequence valve, check valve, diverter valve, directional valve, solenoid valve, logic valve, shuttle valve, circuit saving valve ,and many more. One of the most significant advantages of the SUN plug-in valve in the United States is its free-floating valve end, which allows its close-fitting working assembly to float within the valve body to reduce its sensitivity to...
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Privacy statement: Your privacy is very important to Us. Our company promises not to disclose your personal information to any external company with out your explicit permission.