Monoblock Valve, Hydraulic Directional Valve, Hydraulic Control Valve
Model NO.: MDCV80-* Origin: China HS Code: 8481804090 Model NO.: MDCV80-* Origin: China HS Code: 8481804090 MDCV80 series valves with middle-high pressure monoblock construction is developed based on Europe technology. 1, Inner check valve: The check valve inside the valve body is to insure the hydraulic oil not to be returned. 2, Inner relief valve: The relief valve inside the valve body is able to adjust the hydraulic system working pressure. 3, Oil way: Parallel circuit, power beyond option...
Hydraulic valve PWM type
The hydraulic valve is an automation component operated with pressure oil. It is controlled by the pressure oil of the pressure distribution valve and is usually used in combination with an electromagnetic pressure distribution valve. It can be used to remotely control the on-off of oil, gas and water piping systems in hydropower stations. Commonly used for clamping, control, lubrication and other oil. There are direct-acting and pilot-type points, and many use pilot type. The function is used...
Electrical Controlled Proportional Valve, Load Sensing Control Valve, Mobile Hydraulic Control Valve
Flow Sharing Control Valve 4EPLSV330/35 Proportional directional valves,The port of this product has the same size with Bucher LV22.It can be replaced and has functions superior to LV22. It can realize compound control actions.It's applied to the loading circuit of engineering machinery to conduct proportional control on actuating mechanisms such as oil cylinder and winch motor. This valve have been used on XCMG truck crane model:QY70K more than 3 years,and quality feedback is very stable....
CAN bus load rate must be less than 30%? How can the bus load rate be calculated?
The CAN bus load ratio is only a macroscopic parameter, and it cannot fully evaluate the effectiveness and scalability of the bus. The definition of the load ratio in the industry is the ratio of the actual data transmission rate and the data transmission rate that can theoretically be achieved. This paper mainly describes how the CAN bus load ratio can be calculated and the CAN bus load rate must be less than 30%. Follow Xiaobian to find out. CAN bus load rate must be less than 30% The CAN bus...
What is a resistive load? Inductive load? Capacitive load? - Solutions - Huaqiang Electronic Network
Probe current voltage pin 420*4450 head diameter 5.0 over current current and voltage pin inductance Before explaining this question, explain several terms: active power, reactive power, and apparent power. Active power: In the AC circuit, the part of the power (such as converted to thermal energy, light energy, or mechanical energy) that is consumed by the irreversible power on the resistive element is called active power; Reactive power: In a circuit, an inductive component establishes a...
the content of the sensing, Active shielding for capacitive sensing
There are several explanations for fluctuations in these measurements, but the most common root cause is external parasitic capacitance interference. Such interference, such as inadvertently leaning too close to the hand or electromagnetic interference (EMI) in the surrounding area, needs to be brought to our attention and solved in the system design because the interference will greatly reduce the system. Reliability and sensitivity. Fortunately, there are several ways to help alleviate these...
Is sales proportional to quality?
Whenever sales go up, always find some reasons. Among these reasons, in addition to price, it is quality. Of course, the quality of our products does have some problems, but if we say that our product quality problems lead to sales, I can't agree. A mobile phone, suddenly used to use the phone, so take the warranty card to buy a mobile phone to repair. At this time, there are often two different situations: some wholesalers start to pick up the use of the problem, try every means to push the...
No need for PLC or microcontroller to provide proportional solenoid valve control
No need for PLC or microcontroller to provide proportional solenoid valve control Abstract: The linear change acts as a variable resistance voltage divider connected to the DIM input of the LED driver (operating as an electromagnetic PWM driver) and the digital potentiometer. This circuit drives DC electromagnets ranging from 6V to 40V DC registration, using only the 6V to 40V DC power supply of the electromagnet. Some industrial electromagnets found in proportionally controlled hydraulic...
Valve actuator you choose right?
Because more and more factories use automatic control, manual operation is replaced by mechanical or automation equipment, the executive body is required to act as an interface between the control system and the valve mechanical movement, and the implementing agency is required to enhance the work safety performance and Environmental protection performance. In some hazardous situations, automated actuator installations reduce personnel injuries. Some special valves require emergency opening or...
Using proportional and scale constraints to machine tool design
Constraining the design dimensions during the design process, such as the design of a rectangular body, first determine the type of constraint before design, that is, determine the use of one or several ratios, custom ratios, or free proportions to constrain. After inputting the first corner point in the drawing view area, the system enters the constraint solving process. (The so-called constraint solving refers to the system automatically calculating the constraint based on the current...
explosion-proof solenoid valve
explosion-proof solenoid valve Imported stainless steel explosion-proof solenoid valve The classification of explosive gas environmentally hazardous areas is a continuous or long-term environment in which explosive gas mixtures occur. Zone 1 : An environment in which explosive gas mixtures may occur during normal operation. Zone 2 : An environment in which an explosive gas mixture is unlikely to occur during normal operation or in an environment where only a short-lived explosive gas mixture is...
Valve Factory on valve electric device overload handling method
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.Control Valve, Flow Control Valve, Hydraulic Control Valve, Proportional Directional Control Valve...
How exactly the valve is made
Valve manufacturing process characteristics Lead: The first few valve parts, simple structure, accuracy in general, are simple parts in the machinery industry, but the valve core sealing parts are particularly demanding. Valve manufacturing process is complex, technical difficulty is also large, which process characteristics we need to pay attention? 1. Make the material Due to the wide range of valve specifications, the application of the valve in various fields of national economy, its use...
High temperature control valve selection
High temperature control valve is the working temperature is greater than 450 ℃ valve. Can be divided into 450 ~ 600 ℃, 600 ~ 700 ℃, 750 ℃ three categories. What are the main problems usually involved in high temperature control valve? Severe thermal expansion and contraction problems, so that the guide gap, the valve plate rotation due to expansion of the gap to reduce or even become an interference, and thus stuck. Under high temperature, the creep of the material leads to the decrease of the...
Explosion-proof solenoid valve manufacturers to identify the strength of these factors to keep in mind
Any questions related to the purchase of explosion-proof solenoid valve, we may first think of the strength of manufacturers, is not a formal manufacturer of solenoid valves; followed by solenoid valve products to consider the richness, ease of use, safety and economy Various indicators. It is understood that at present there are nearly 6,000 large and small solenoid valve manufacturers in our country, in addition to different manufacturers of different expertise, the factory's own level of...
Excavator relief valve noise causes
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:Control Valve, Flow Control Valve, Hydraulic Control Valve, Proportional Directional Control Valve (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...
Balance valve principle balance valve structure balance valve feature balance valve application balance valve construction
The balancing valve is a special function valve with good flow characteristics, valve opening indication, opening locking device and pressure measuring small valve for flow measurement. Using a special intelligent meter, input the valve type and opening value, and directly display the flow value flowing through the balancing valve according to the measured differential pressure signal. As long as the balance valve of the appropriate specification is installed in each branch and user inlet, And...
Valve electric device classification and selection
Valve electric device (referred to as Denso, the same below) is used to drive the valve opening and closing of a special transmission, the special motor, worm, stroke and torque detection mechanism and control components. The device has large starting torque and precise valve stroke control. It is widely used in the valves of petroleum, chemical, hydropower, metallurgy, shipbuilding, light industry and food industries. Different industries, different conditions on the electrical requirements of...
Explosion-proof gear pump safety valve installation and piping layout design points
Explosion-proof gear pump safety valve installation and piping layout design points First, explosion-proof gear pump safety valve should be installed upright and close to be protected equipment or pipes. If not close to the arrangement, the total pressure drop across the pipe from the protected equipment or pipe to the safety valve inlet shall not exceed 3% of the pressure relief valve value. Second, the safety valve should be set overhaul platform. Arrange the weight of the safety valve to...
Proportional pressure reducing valve works
Proportional pressure reducing valve works: Under the action of the inlet pressure P1, the floating piston is pushed open and the medium passes. Due to the cross-sectional area of the piston at both ends of the pressure difference caused by changes in the pressure after the valve, that is, the pressure in the pipeline case, the ratio of the area of the piston at both ends of the valve before and after the composition of the pressure ratio. No matter how the pressure changes before the valve,...
Imported pilot high pressure solenoid valve, Germany LIK Lake imported valve valve Daquan, model, principle, characteristics, function
Germany Lake imported pilot high pressure solenoid valve Product Category: Pilot Solenoid Valve Series Production Product Say Bright Germany imported pilot high pressure solenoid valve parameters : Principle structure: two steps of direct-acting guided piston Working environment temperature: -20-+ 50 °C , -40-+ 80 °C Coil operating temperature: <+ 50 °C , <+ 85 °C Control method: normally closed, normally open International standard voltage: AC ( 380 , 240 , 220 , 24 ) V , DC ( 110 , 24 )...
How to Operate Manual Valve Correctly
Manual valves are commonly used on equipment and devices. They are operated by a handle or handwheel. Under normal circumstances, handle, hand wheel rotation clockwise thorium provisions for the closing direction, counterclockwise rotation is specified as the opening direction. However, some of the valve opening and closing direction contrary to the above, to help check the operation before opening and closing signs and then operate. Manual valve, the handle, hand wheel size is designed for...
New proportional valve series offers fast response and low hysteresis
The proportional hydraulic control valve precisely controls the output flow and the input current to be applied to the electromagnetic variable internal port. The miniature direct acting PC3 valve has been tested for 100 million cycles and has a full range of response speeds, quiet operation, low hysteresis, and consistent flow "gain". This is an ideal choice for hydraulic valves in the high-tech market segments such as analytical instrumentation professional applications , test and...
