Brief introduction of YCB arc gear pump

The service life of YCB arc gear pump is 2-3 times longer than that of ordinary gear pump. The main difference is that the gear pump of arc gear pump is of arc type, and the gear and tooth root are in two circles during the operation of YCB gear pump. Smooth arc transition, dead center or stuck phenomenon; so the service life is extremely long. The tooth type of ordinary gear pumps is involute helical gears. When the gears and tooth roots of YCB gear pumps rotate during normal operation, the top of the gear teeth will collide, wear, and the parts of the gear roots. Liquid trapping will also occur, causing the involute gear pump to have a relatively loud noise when rotating, and the service life of the gear pump will be affected.
The scope of application of YCB arc gear pump:
It is suitable for conveying lubricating oil without solid particles and fibers, non-corrosive, temperature not higher than 80 ℃, viscosity of 5-1500cst or other liquids similar to lubricating oil.
YCB arc gear pump use: 　　
It can be used as a transmission and booster pump in the oil delivery system.
It can be used as a fuel pump for delivery, pressurization, and injection in the fuel delivery system.
In industry, it can be used as lubricating oil pump.
Structural features of YCB arc gear pump:
YCB arc gear pump gear adopts double arc sinusoidal tooth profile. Compared with involute gears, its outstanding advantage is that there is no relative sliding of the tooth profile surface during the gear meshing process, so the tooth surface has no wear, balanced operation, and no trouble. Liquid phenomenon, low noise and long life. The pump gets rid of the shackles of traditional design, making the gear pump enter a new one in design, production and use.
It is equipped with a differential pressure valve as overload protection. The total return pressure of the valve is 1.5 times the rated discharge pressure of the pump. It can also be adjusted according to actual needs within the allowable discharge pressure range. However, this valve cannot be used as a pressure reducing valve for long-term operation. It can be installed separately on the pipeline.
The pump shaft end seal is designed in two forms, one is a mechanical seal, the other is a packing seal, and users can choose according to their requirements.

YCB arc gear pump manufacturers and suppliers

Large flow KCB gear pump product overview

High-flow KCB gear pump is suitable for transporting various lubricated liquids, and the temperature is not higher than 250℃. If high temperature is required, the oil pump can be customized. KCB gear oil pump is mainly used for large oil depot backfilling, train unloading, oil tanker loading and unloading, etc. Where a large flow is required. It has the characteristics of large flow.
The KCB high-flow gear pump is mainly composed of gears, shafts, pump bodies, valves, and shaft end seals. The gears have high hardness and strength after heat treatment, and are installed together with the shaft to operate in a replaceable sleeve. All parts in the pump The lubrication of the pump is automatically achieved by using the output medium when the pump is working.
KCB high-flow gear pump, the oil drain and return groove in the KCB gear pump, the gear bears a small torque force during work, so the bearing load is small, the wear is small, the pump is equipped with a valve as overload protection, and the valve’s full return pressure It is 1.5 times the rated discharge pressure of the pump, and can also be adjusted according to actual needs within the allowable discharge pressure range. But note that this valve cannot be used as a pressure reducing valve for long-term work, and can be installed on the pipeline when necessary. From the extended end of the spindle Looking at the pump, it rotates clockwise.
It can be used as a transmission and booster pump in the oil delivery system;
It can be used as a fuel pump for delivery, pressurization and injection in the fuel system;
In industry, it can be used as lubricating oil pump. KCB large flow gear pump is suitable for conveying without solid particles and fibers, non-corrosive, temperature not higher than 80℃, viscosity 5×10-6～1.5×10-3m2 /s (5-1500cSt) lubricating oil or other liquids with similar properties to lubricating oil.
KCB gear pump manufacturers and suppliers

Application occasions and development of high-viscosity gear pumps

High-viscosity gear pumps are generally used in the following occasions. Today SAIKEN Pumps will introduce you to see if it is the pump equipment that your working conditions are in need.

Liquids with high viscosity or large changes in viscosity, such as asphalt, rubber, spandex liquid, resin, etc.; working conditions where the pump body can rotate in both directions; viscosity changes and other processes require the pump to still operate stably. When the viscosity of the conveying liquid is high, the pressure loss caused by the viscous friction of the viscous liquid should be fully considered. In this working condition, consider reducing the pump revolutions to ensure that the high-viscosity liquid can have enough time to fill the pump body and avoid high-viscosity gear pumps. Cavitation. In order to reduce the flow resistance of highly viscous liquids, the installation height of the pump should also be lowered. Pipes larger than or equal to the inlet diameter of the high-viscosity gear pump should be selected, unnecessary valves and accessories should be reduced, and the length of the inlet pipeline should be shortened.

Only by striving for perfection can a product be better accepted and promoted by the market. For the future development of high-viscosity gear pumps, you can refer to the following aspects:

Improve the reliability and service life of gears
Increase the design pressure of high-viscosity gear pumps
Develop pump body materials with light weight and high temperature resistance
Research and develop multi-gear gear pump to balance radial force

Welcome to send email to consult SAIKEN Pump Industry
Email: fan@saikenpumps

The use method and daily maintenance of heat transfer oil pump

The SAIKEN heat transfer oil pump shaft is equipped with a stuffing box at the front end, and the sealing performance is relatively reliable. At the same time, there is a mechanical sealing device in the bearing seat, so a large amount of leakage is unlikely to occur, and a small amount of leakage can be discharged and received through the leakage nozzle . It is normal to have a small amount of leakage at the beginning of operation, and the leakage will decrease or stop after a certain period of time when the sealing surfaces are running in. 　　2. The heat transferred to the pump cover and bearing of the heat transfer oil pump is dissipated by the surface of the pump cover and the bearing seat, so that the temperature of the bearing seat is adapted to the temperature of the shaft sealing performance. Therefore, when selecting the installation position of the heat transfer oil pump, the heat of the pump cover and the bearing seat should be easily diffused without any heat storage phenomenon.
There are two ball bearings in the bearing seat. One ball bearing on the pump impeller side of the Hot oil pump is lubricated with the delivered heat transfer oil, and one ball bearing on the coupling side is lubricated with high temperature grease: each ball After 3000 hours of operation, the bearing must be disassembled and cleaned with diesel oil, and then checked for damage to the contact surface. If it is damaged, a new bearing must be replaced. When installing against the ball bearing on the impeller side, the side with the dust cover should be installed towards the impeller, and the heat transfer oil should be injected before starting the machine. The ball bearing on the coupling side is made of compound calcium-based high temperature grease (ZFG-4). When the bearing is reinstalled, the side with the dust cover must also be installed toward the impeller side, and the installation is filled with grease (about 1 /2 space between ball bearing and housing). After the bearing has been running for 48 hours, use a grease gun to inject replenishing grease into the oil injection cup on the bearing cover. 　　 4. The gate valve on the input pipe is not allowed to adjust the flow rate to avoid cavitation. 　　5. The heat transfer oil pump should not be operated continuously under 30% of the design flow rate. If it must be operated under this condition, a bypass pipe should be installed at the outlet and the flow rate should reach above the minimum value. 　　6. Frequently check the loose ground of the anchor bolts, whether the pump casing temperature of the heat transfer oil pump is consistent with the inlet temperature, the fluctuation of the outlet pressure gauge and the vibration of the pump. 　　7. Pay attention to whether there is any noise in the operation of the heat transfer oil pump. If it is found to be in a normal state, it should be dealt with in time. 　　 8. Stop: cut off the power supply. Empty the liquid in the heat transfer oil pump, clean it and rotate the impeller 180 degrees regularly to prevent shaft deformation until the oil pump is completely cooled.

The work to be done before using the asphalt insulation pump

Precautions for proper use of asphalt insulation pump

　　 1. The direction of rotation of the asphalt insulation pump must be determined before starting up, and it must not be reversed.

　　 2. Asphalt heat preservation pump is strictly prohibited to run dry without medium, so as not to damage the stator.

　　 3. The G-type single screw pump that is newly installed or stopped for a few days cannot be started immediately. You should inject a proper amount of oil into the asphalt insulation pump body, and then use a pipe clamp for a few rotations before starting.

　　4. After transporting high viscosity or containing particles and corrosive media, it should be washed with water or solvent to prevent blockage, so as to avoid difficulty in starting next time.

　　 5. Line up for effusion in winter to prevent freezing and cracking.

　　6 Lubricating oil should be added to the bearing box regularly during the use of the asphalt insulation pump. If there is leakage at the shaft end, the oil seal should be treated or replaced in time.

　　 7. If an abnormal situation occurs during operation, stop immediately to check the cause and eliminate the fault.

　　 Asphalt insulation pumps are produced and used in accordance with certain methods and principles in use to ensure that they can produce good value and contributions in production practice, show good development and status in the industry, and meet the development needs of the industry.

　　 The preheating of the asphalt insulation pump is necessary to avoid damage to the components caused by high temperature impact. It is recommended to preheat when the temperature of the pumped fluid is higher than 150°C. Asphalt heat preservation pump has certain important structure and when using mechanical seal, the pump needs to be preheated to within 30℃ of the operating temperature difference to prevent damage to the sealing surface. Jacketed pumps can be preheated by steam, heat medium and electric heating. Once the fluid enters the asphalt insulation pump, the internal gap needs to be correctly defined according to the viscosity. Too small a gap will restrict the flow of fluid in the passage and cause the bearing to lack lubrication and overheat; if the gap is too large, the strength of the liquid film will decrease to support and lubricate the gear shaft, causing direct contact between the journal and the bearing, leading to early failure.

The role of gear pump safety valve regulating valve

There are two kinds of valves for gear safety protection: safety valve and regulating valve. Both of these are safety protection valves. What is the difference in actual use? Let me introduce it to you.

　　 When the pressure is too high, the gear pump safety valve will jump; the pressure regulating valve can be set to a pressure. When the pressure is higher than this pressure, the valve opens, and when the pressure is lower than this pressure, the valve closes. In this case, is the regulating valve equivalent to a safety valve? Is there a big difference in performance?

　　Safety valve is a safety design adopted for a single equipment or pipeline. When the pressure is too high, it will automatically trip to restore the pressure to the normal operating value. At the same time, it plays a protective role to prevent the equipment from being damaged or accidents due to excessive pressure caused by excessive pressure. Regulating valve, as its name implies, is a regulating function. It plays a role in regulating and controlling process parameters. Its purpose is to stabilize or regulate one or several upstream or downstream temperature or pressure or flow rate or liquid level point and other parameters!

　　 The gear pump safety valve is to protect the pipeline or equipment, the pressure is super high, and it is used for pressure relief.

　　The pressure regulating valve is to keep the downstream pressure stable, mainly to ensure the stability of the downstream flow.

　　 In a word, the gear pump safety valve is to maintain a stable pressure in front of the valve.

　　The regulating valve is to maintain the pressure after the valve is stable, the two cannot be interchanged!

　　 The safety valve can automatically open and close according to the working pressure of the system, and is generally installed on the equipment or pipeline of the closed system to protect the safety of the system. When the pressure in the equipment or pipeline exceeds the set pressure of the safety valve, the pressure relief is automatically opened to ensure that the pressure of the medium in the equipment and pipeline is below the set pressure to protect the equipment and pipeline to prevent accidents. The regulating valve is used to regulate the flow, pressure and liquid level of the medium. According to the signal of the adjustment part, the opening of the valve is automatically controlled to achieve the adjustment of the medium flow, pressure and liquid level. In general, the safety valve is only opened in an accident state, and theoretically requires physiological verification after opening, while the regulating valve is opened to adjust the flow or pressure in the normal state.

　　 Gear pump safety valve-set a pressure point, the pressure will jump immediately when the pressure is high, it is mainly used in emergency situations and is usually closed.

　　 Pressure regulator-set a pressure point where the upstream pressure is higher than this pressure and it keeps the downstream pressure. The problem is usually open!

KCB gear oil pump manufacturers and suppliers

Introduction to the performance and structural characteristics of SUS gear pumps

SUS gear pump performance
　　 1. The stainless steel gear pump has a simple and compact structure, and is easy to use and maintain.
　　2. The stainless steel gear pump has good self-priming, so it is not necessary to pour liquid before starting the pump.
　　3. The lubrication of the stainless steel gear pump is automatically achieved by the conveyed liquid, so there is no need to add lubricating fluid during daily work.
　　4. The use of elastic couplings to transmit power can compensate for small deviations caused by installation. When the pump is subjected to inevitable hydraulic shocks, it can play a good buffering effect.

　　 Stainless steel gear pump structure
　　L, stainless steel gear pump is a horizontal rotary pump, mainly composed of pump body, gear, bearing seat, safety valve, bearing and sealing device.
　　 2. The pump body, bearing seat, etc. are made of gray cast iron, and the gears are made of high-quality carbon steel, and can also be made of copper or stainless steel according to the special needs of users
　　3. There is a stuffing box chamber on the bearing seat, which acts as an axial seal. KCB-300～960 type pump adopts mechanical tight device, and the bearing adopts single row radial ball bearing. The KCB-18. 3-83.3 pump is composed of three oil-resistant rubber rings and a retaining ring separated by a middle lining. The two nuts on the compression cover are adjusted to adjust the degree of sealing. The bearing adopts copper-based powder oil-impregnated bearings. In addition, stainless steel gear pumps can use packing seals with flexible graphite with good elasticity, high temperature and low temperature resistance, stable chemical properties and self-lubricating properties as packing.

The stainless steel gear pump is equipped with a safety valve. When the pump or discharge pipeline fails or the discharge valve is completely closed by mistake, the safety valve will automatically open when high pressure and high pressure shock occurs, and part or all of the high pressure liquid is removed and returned to low pressure. Cavity, so as to protect the pump and pipeline.
　　5. It is directly connected with the drive motor with an elastic coupling and installed on a common cast iron chassis.

KCB gear oil pump manufacturers and suppliers

Brief description of KCB series gear oil pump

The structural characteristics of KCB gear oil pump

　　 KCB series gear oil pumps This series of gear pumps are mainly composed of gears, shafts, pump bodies, safety valves, and shaft end seals. The gear has high hardness and strength after heat treatment, and is installed in a replaceable bushing together with the shaft to run. The lubrication of all parts in the pump is automatically achieved by using the output medium when the pump is working.

　　 KCB series gear oil pumps have reasonably designed oil drain and oil return grooves. The gears bear the smallest torque force during work, so the bearing load is small, the wear is small, and the pump efficiency is high.

　　 The pump is equipped with a safety valve as overload protection. The total return pressure of the safety valve is 1.5 times the rated discharge pressure of the pump, and it can also be adjusted according to actual needs within the allowable discharge pressure range. But note that this safety valve cannot be used as a pressure reducing valve for long-term work, and can be installed separately on the pipeline when necessary. Looking at the pump from the extended end of the main shaft, it rotates clockwise.

KCB gear oil pump manufacturers and suppliers

ucture and characteristics

KCB gear pump structure and characteristics
KCB gear pump is mainly composed of gears, shafts, pump body, and shaft end seals. The gear has high hardness and strength after heat treatment, and is installed in a replaceable bushing together with the shaft to run. The lubrication of all parts in the pump is automatically achieved by using the output medium when the pump is working.
There are well-designed oil drain and oil return grooves in the pump. The gears bear small torque force during work, so the bearing load is small, the wear is small, and the pump efficiency is high.
The pump is equipped with overload protection, and the total return pressure is 1.5 times the rated discharge pressure of the pump, and it can also be adjusted according to actual needs within the allowable discharge pressure range. But note that it cannot be used for long-term operation of the pressure reducing valve, and can be installed separately on the pipeline when necessary.
Looking at the pump from the extended end of the main shaft, it rotates clockwise.
The main transmission gear is a herringbone gear set composed of four helical gears with differential pressure. The full range of gear oil pumps is an oil pump unit composed of a three-jaw elastic coupling and an electric motor.
This series of gear wheel oil pumps are simple and compact in structure, easy to use and maintain, stable in operation and reliable in use.
The scope of application and main uses of KCB series gear pumps:
KCB gear pump is suitable for conveying heavy oil, diesel oil, machine oil, vegetable oil and other liquids with similar properties that have a viscosity of no more than >150mm2/S, a temperature of no more than 20°C, non-corrosive, no hard particles, impurities and fibers .
KCB series gear oil pumps are mainly used for oil medium transmission, pressurization, fuel injection, etc. in the petroleum, chemical, metallurgical, mining, power station and other industries, as well as in the thin oil cycle of large mechanical equipment, and can be used in all types of mechanical equipment. Lubrication pump is used.
KCB gear pump manufacturers and suppliers

KCB gear pump

KCB gear pump is suitable for transporting lubricating oil without solid particles and fibers, non-corrosive, temperature not higher than 180℃, viscosity 5×10-6～1.5×10-3m2/s (5-1500cSt) or similar properties Other liquids of lubricating oil.

　　 can be used as a transmission and booster pump in the oil delivery system;
　　 can be used as a fuel pump for delivery, pressurization and injection in the fuel system;
　　 can be used as lubricating oil pump in the industrial field.

　　 This series of KCB gear oil pumps are mainly composed of gears, shafts, pump bodies, valves, and shaft end seals (for special requirements, magnetic drive can be selected, zero leakage structure). The gear has high hardness and strength after heat treatment, and is installed in a replaceable bushing together with the shaft to run. The lubrication of all parts in the pump is automatically achieved by using the output medium when the pump is working.
　　 The KCB gear pump has reasonably designed oil drain and oil return grooves. The gear bears a small torque force during work, so the bearing load is small, the wear is small, and the pump efficiency is high.
　　 KCB gear pump is equipped with a valve as overload protection. The total return pressure of the valve is 1.5 times the rated discharge pressure of the pump, and it can also be adjusted according to actual needs within the allowable discharge pressure range. But note that this valve cannot be used as a pressure reducing valve for long-term work, and can be installed on the pipeline when necessary.
　　 Seen from the extended end of the main shaft toward the pump, it rotates clockwise.
KCB gear pump manufacturers and suppliers