CNC lathe debugging and maintenance
CNC lathe CNC lathe debugging and maintenance Machine debugging machine in place, according to the customer specified location, place put put put. Machine mat pad, the machine wipe clean, adjust the level. To the machine hydraulic oil tank, lubricating oil tank, rail marked with the appropriate amount of oil and oil, to the machine water tank plus cutting coolant. Press machine rated power, install the appropriate power supply, and install the regulator and machine ground. Debug the positive...
Submersible pump to use the eight major considerations
Submersible pump is the main equipment for deep well water. Use the entire unit dive into the water operations. The groundwater access to the surface, water is daily, mine rescue, industrial cooling, farm irrigation, submersible pump to improve the sea, ships loaded, but also for the fountain scene, hot water submersible pumps for hot spring bathing, but also for deep well Access to groundwater can also be used for water, reservoirs, drains and other water projects. Mainly used for farmland...
Filter press pump installation to pay attention to what problems do
Filter press pump installation points: 1. The import and export of pumps should be installed valves and rubber seismic section (pipe compensator) to facilitate overhaul. 2. In the pump installation order, first install the import and export pipelines, and then the anchor bolts to prevent the connecting pipe when the pump tensile stress, damage to the pump. 3. The outlet pipe is long or the filter press pump is installed at a high position. A check valve should be installed at the outlet of the...
Purchase should pay attention to the standard problem of pneumatic valve
Pneumatic valves are generally in the international arena standard, it is also more convenient and secure procurement of buyers. However, although the domestic pneumatic valve is also a national standard, but due to the different requirements of the reform market, domestic manufacturers to meet customer needs, each manufacturer based on the national standard, made the appropriate changes and innovations to adapt to different Better use of pneumatic valve environment. So to remind the majority...
Copper valve selection precautions
Selection of copper valves: 1. Based on the selection of control functions, all kinds of valves have their own functions, the selection should pay attention to its corresponding function. 2. According to the conditions of selection, the commonly used valve technical parameters include pressure, the maximum allowable working pressure, the working temperature (minimum and maximum temperature) and the medium (corrosive, flammable), the selection should pay attention to the above parameters and...
The working principle of pumps and their use classification
1 - the definition of water pump Usually to enhance the liquid, liquid transport or increase the pressure on the liquid, that is, the mechanical energy of the prime mover into liquid energy to achieve the purpose of pumping liquid machine collectively referred to as the pump. 2-pump working principle 1, positive displacement pump: the use of the working chamber volume change of periodic delivery of liquid. 2, vane pump: the use of leaves and liquid interactions to transport liquid. 3-pump...
The difference between the unfolded discharge valve and the unfolded discharge valve
Discharge valve display up and down the difference lies in: the exhibition for the ball to go up the ball out of the material, the next valve for the ball to drop in order to discharge. Seal with erosion-resistant, corrosion-resistant material, and the special treatment of the ring, the hardness of the surface HRC56-62, to ensure that the valve is open, the cavity is not damaged by debris and corrosive fluids, with high wear resistance Corrosion of the function, the special conditions of the...
Valve technology Large aperture gas medium electric valve new invention
This patent was applied by Beijing Hua Chong Long Run Environmental Technology Co., Ltd., and was authorized notice on March 15, 2017. Description of content The present invention relates to the field of valve technology, in particular to a large aperture gas dielectric media electric valve. BACKGROUND OF THE INVENTION There are many kinds of valves in the prior art, such as ball valves, butterfly valves, gate valves and the like. These valves, like ball valves and butterfly valves, are mainly...
Import explosion-proof electric three-way ball valve and imported explosion-proof electric seal butterfly valve difference
Explosion-proof electric three-way ball valve is composed of the angular stroke series of intelligent actuators and three-way ball valve, is a rotary cut off regulating valve, electric three-way ball valve with close, compact, light weight, easy maintenance and so on. Electric three-way adjustment valve is widely used in gas, liquid, steam, oil and other corrosive media pipeline automation and control. Two seat seal electric three-way ball valve with a compact, beautiful appearance, good...
Pneumatic actuator repair tips
Pneumatic actuator repair tips Pneumatic actuator repair tips I. Overview Pneumatic actuators with oil-free compressed air as the driving force to actuate the valve or baffle action. There are the following types: pneumatic control valve, solenoid valve, pneumatic long stroke electric actuator. Second, pneumatic control valve Pneumatic valve by the pneumatic actuator and control valve of two parts. Pneumatic actuators with oil-free compressed air as the driving force, to accept the gas signal...
Adjust the valve installation tips brief
What are the points to adjust the valve installation? The correct installation method, can improve the efficiency of the valve, reduce valve wear, the following is the introduction of the regulation valve installation, for your reference. 1) Installation location, height, direction of import and export must meet the design requirements, the connection should be firm and tight. 2) All kinds of manual valves and handles installed on the pipe should not be downward. 3) The valve must be installed...
Maglev submersible pump introduced
Maglev submersible pump it achieved a major breakthrough in the field of submersible pumps in the world, effectively solve the shortcomings of the traditional submersible pumps: such as low conversion efficiency, high power consumption, limited lift, bearing vulnerability, frequent maintenance. Widely used in industrial and mining enterprises for drainage, farmland irrigation and plateau, mountain water supply and other fields. Maglev Submersible Pump It unique patented technology has changed...
BRY air-cooled centrifugal heat pump impeller size of how to determine
In BRY air-cooled centrifugal heat transfer oil pump design, generally need to give the design parameters: flow Q, head H, speed N, NPSHr NPSHr and efficiency. According to the above parameters, the structural scheme of the centrifugal tip can be initially determined and the specific rotational speed Ns of the impeller can be calculated. Then, some empirical data (formulas) are used to determine the main geometric dimensions of the impeller. In BRY air-cooled centrifugal heat transfer oil pump...
The correct use and maintenance of magnetic flap level gauge
Magnetic flap level gauge the correct use and maintenance methods: Magnetic flap level gauge from the body, the flip box (composed of small red and white magnetic flap), float, flange cover and other components for all types Liquid level measurement of the container. Magnetic flap level gauge can be used for high temperature, explosion-proof, anti-corrosion, food and beverage and other occasions, as a liquid level display or remote display and remote control. UHZ series magnetic flap level...
Electric double eccentric butterfly valve how to choose and installation direction
Electric double eccentric butterfly valve cut off and throttling effect in the pipeline, electric double eccentric butterfly valve opening and closing pieces is a disc-shaped disc, rotating around its own axis in the valve body, so as to achieve opening and closing or regulating the flow through the pipe cross-section The purpose of the size. The traditional butterfly valve can only be used at room temperature, low pressure and tightness less demanding occasions. With the continuous development...
Knife gate valve characteristics and purchase advice
Knife gate valve, also known as knife valve, knife gate valve, slurry valve, mud valve, its opening and closing pieces is the gate, the direction of movement of the gate and the fluid perpendicular to the cutting edge by cutting the fiber material knife gate Medium, the gate has two sealing surface, the most commonly used gate valve form the two sealing surface wedge, wedge angle varies with the valve parameters, usually 5 °, wedge gate valve gate can be made into a The whole, called the rigid...
Chemical pump, the election is the pump, the wrong election is the accident
Petroleum and chemical industry occupy a very important position in the national economy. Chemical process pumps are also attracting more and more attention as a key supporting equipment. Due to the complex nature of the chemical medium, coupled with the continuous improvement of environmental protection requirements, how should we chemical pump selection? What should be the focus of attention and so on is particularly important. Today, Xiao Bian came to talk to you about chemical pump...
Pump six common faults and solutions
Can not start First of all, check the power supply situation: whether the connection is solid or not; whether the switch is in close contact; whether the fuse is blown; whether the three-phase power supply is equal or not. If there is an open circuit, poor contact, the fuse blown, lack of phase, should identify the cause and timely repair. Second, check if it is a mechanical failure of the pump itself, common causes are: packing is too tight or clogged with debris between the impeller and the...
Development and Application of Performance Technology of EHV Electromagnetic Direction Valve
Formed in the country cylinder, pumps, valves, components, seals and other production and supporting system, due to historical reasons and academic heritage, costs and other factors lead to China's hydraulic practitioners in their daily work, the first test machine, try Before the machine to ensure that the voltage of the line where the ultra-high voltage electric pump is stable, the power of the ground and insulation is good, check the oil temperature and noise during operation, these...
Talking about the Installation and Cleaning of Welded Ball Valves in Shanghai Wuyue
All-welded ball valve is now widely used in the industry as a whole, while the degree of concern among users is also increasing year by year, it is based on the market demand for a product introduced to engage in the development and production of the company's products , Shanghai Wuyue Pump Manufacturing Co., Ltd. can be described as a well-known industry circle, and by the vast number of users of the trust and support. In the use of all-welded ball valve in particular should be noted that...
What is the difference between cold water pump and hot water pump
Common cold water pump refers to the pump can be transported below 80 ° c temperature of the liquid pump called cold water pump, the temperature between 80 ° c to 120 ° c pump called the hot water pump. The difference between cold water pump and hot water pump: 1, cold water pump features: Common cold water pump seal packing or NBR mechanical seal, the most commonly used packing seal pump is IS single-stage single suction centrifugal pump The pump is also the earliest cold water pump products,...
Thermostatic mixing valve use and debugging safety precautions
Mixed water thermostatic valve is a heating system supporting products, widely used in electric water heaters, solar water heaters and central heating systems. And can be applied to electric water heaters and solar water heaters, users can adjust their own hot and cold water mixing temperature as needed, the required temperature can quickly reach and stabilize, to ensure that the water temperature is constant, and not subject to water temperature, flow, water pressure changes Affect the bath...
Problems Existing in Domestic Marine Valve Standard and Solutions
Domestic marine valve standard what are the problems, but also how to effectively solve these problems? Marine valve variety specifications, which is its characteristics, but also hinder the valve technology to improve the problem. Large variety, size, valve standard for the preparation, revision, drawing, organization of specialized production, valve quality control and so bring a series of difficulties. Marine valve manual, our most commonly used standards are: GB / T584, GB / T585, GB /...
Pump selection method
Users choose the pump, it is best to the agricultural machinery department approved point of sale, we must recognize that the manufacturer. It is recommended to give priority to the purchase of water-filled submersible pump, and see the grades and product quality certification. Do not buy "three no" (that is, no manufacturer, no production date, no production license) products, otherwise there is a problem, the user will do nothing. As a user, due to the limitations of professional...
