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Instruction Manual for dry gas seal Installation , Operation and Maintenance1.  Overview of dry gas seal Dry gas seal is a new type of non-contact shaft seal. It was developed based on the concept of gas lubricated bearings in the late 1960s, of which spiral groove seals are the most typical. After several years of research, the American John Crane Company took the lead in launching dry gas sealing products and putting them into industrial use. It is suitable for any gas conveying system and is currently used more and more in imported devices in my country's petrochemical, oil refining, chemical, pharmaceutical and other industries. Practice has shown that dry gas seals are superior to ordinary contact mechanical seals in many aspects. Because they are non-contact seals, they are basically not limited by PV value. Compared with ordinary contact mechanical seals, it is more suitable as a shaft seal for large centrifugal compressors under high speed and high pressure. And it does not require sealing lubricating oil, and the gas control system required is much simpler than a contact-sealed oil system. The emergence of dry gas sealing is a revolution in sealing technology. It changes the traditional sealing concept, organically combines dry gas sealing technology and blocking sealing principles, and replaces the traditional "gas sealing liquid or gas sealing gas" with the new concept The concept of "liquid sealing gas or liquid sealing liquid" can ensure that any sealing medium can achieve zeroescape, which makes it also have broad application prospects in the field of pump shaft seals. Compared with ordinary contact mechanical seals, dry gas seals have the following main advantages: The sealing oil system and the additional power load used to drive the sealing oil system are eliminated.Unplanned maintenance costs and production shutdowns are significantly reduced. The possibility of oil contamination of process gas is avoided.Sealing gas leakage is small. Low maintenance cost and good economical practicality.The seal driving power consumption is small. Long sealing life and reliable operation.  1.1.  Working principle of dry gas seal Compared with ordinary mechanical seals, dry gas seals are basically the same in structure. The important difference is that one of the dry gas seal sealing rings is processed with evenly distributed shallow grooves. During operation, the gas entering the shallow tank is pressurizedshrink, forming a local high-pressure area between the sealing rings, causing the sealing surface to open, so that it can operate in a non-contact state. 1.2. -Achieve sealing. The following takes a typical spiral groove dry gas seal as an example for a brief explanation.Figure 1 shows a schematic diagram of the sealing end face. A certain number of spiral grooves are processed on the sealing surface, and their depth is within 8~15μm. The main principle of sealing work is the balance of static pressure and fluid dynamics. Acting on the sealHydrostatic force is generated by medium pressure and spring force, and exists both when rotating and stationary. Hydrodynamic forces only occur when the seal rotates. When the seal rotates, the viscous shear force generated by the moving ring drives the sealed gas into the spiral groove. From the outer diameter to the center, the radial component flows toward the sealing dam, and the sealing dam controls the flow of gas to the low-pressure side, so the gas is compressed. , the pressure increases, the sealing surface separates, and an air film of a certain thickness is formed. The opening force formed by the air film force and the closing force formed by the spring force and medium force reach a balance, so the seal realizes non-contact operation. The air film formed between the sealing surfaces of the dry gas seal has a certain positive stiffness, which ensures the stability of the seal operation and can also lubricate the friction pair. In order to obtain the necessary fluid dynamic pressure effect, the dynamic pressure groove must be opened at a high Press side.Screw air groove of dry gas seal ringForce Diagram of dry gas seal1nt1. Dry gas seal structure and monitoring systembg For different working conditions, different dry gas seal overall structural forms can be adopted. In practical application, dryAir seals mainly have three structural forms: single end face, double end face, and tandem seal. In order to ensure the reliability of dry gas seal operation, each set of dry gas seals has a matching monitoring and control system, so that the seal works in the optimal design state. When the seal fails, the system can immediately alarm, which is beneficial to maintenance workers.People handle on-site incidents as quickly as possible. The dry gas seal monitoring system monitors whether the seal is operating normally by monitoring the amount of gas leakage.If the gas leakage is too low or too high, the system will alarm, reminding the operator to check whether the control system pressure is within the design range. When the gas leakage exceeds a certain value, it indicates that the dry gas seal has failed and the system will interlock.Stop the vehicle to ensure that the equipment is not damaged. 2. Installation and removal of seals Dry gas seals are precision components. Improper installation and disassembly can easily cause damage to the seal or shorten its service life.short . The first installation of this dry gas seal must be carried out by our company’s professionals to the site for guidance. The seal is divided into two parts: the seal body and the comb seal (maze seal). The seal body has a modular structure, and the dynamic and static parts are connected together through the mounting plate. It does not need to be disassembled during installation, and can be directly installed from the shaft end as a whole.into the unit casing, and then remove the mounting plate. The installation is simple, reliable and accurate in positioning. 2.1. Inspection of seal before installation If the dry gas seal has been stored for a period of time before use, the seal must be rotated and floated before installation.Mobility check. 2.1.1.  Remove the storage and transportation protective cover 28. 2.1.2. Place the seal on a clean assembly plate with the mounting plate (key 30) facing upwards, and remove the mounting plate. 2.1.3. Turn the sleeve (item 20) according to the rotation direction marked on the outside of the seal. If it can rotate freely, it is considered qualified. Feeling likeIf you feel that the rotation is blocked, it may be that water vapor or oil film has accumulated on the sealing end, and it needs to be disassembled for cleaning. 2.1.4. Use both hands to gradually and evenly press down the bushing until it stops moving. At this time, the lower sealing spring isTo compression, the spring of the upper seal is unloaded. 2.1.5. Release your hands quickly. If the shaft sleeve can quickly follow and bounce back to the starting position, it can be considered to be floating.Sexuality is normal. If it pops up slowly or fails to pop up, the seal should be disassembled for further inspection. 2.1.6. Then use both hands to pull the shaft sleeve upward evenly (in the opposite direction to 1.4). At this time, the spring of the upper seal is compressed and the spring of the lower seal is unloaded. Quickly release your hands. If the shaft sleeve can quickly bounce back to the starting position, it can be considered that the float is normal. If the pop-up is slow or unable to pop up, the seal should be disassembled for further inspection. 2.1.7. After the inspection is completed, reinstall the mounting plate. 2.2. Preparations before installation 2.2.1. Before installation, the sealing gas, isolation gas, and pre-gas pipelines should be thoroughly purged. The purging gas must be dry.  Clean and dry, no particulate impurities or oil are allowed inside the pipeline. 2.2.2. Thoroughly clean the surface of the cavity and shaft through which the seal is installed, and there must be no particles, impurities, rust spots, Oil stains, etc. 2.2.3. Carefully check the edges of the cavity and shaft through which the seal is installed. Sharp edges should be blunted, and there should be no burrs on the surface. Defects such as thorns and scratches. 2.2.4. Carefully check the O-rings on the outside of the sealing shell and inside the shaft sleeve. If there are any defects, replace them in time. 2.2.5. Adjust the axial position of the main shaft to the working state, carefully measure the relative positional relationship between the positioning steps of the seal housing on the unit cavity and the positioning steps of the seal sleeve on the main shaft, and follow the installation dimensions 37.5 required on the seal assembly drawing. mm (frame size) Calculate the required thickness of the adjustment ring (item 27), re-process and adjust it randomly The thickness of the entire ring meets the requirements for on-site use. To ensure that the actual installation dimensions of the seal meet the design requirements. 2.2.6. Confirm that the rotation direction marked on the seal housing is consistent with the rotation direction of the spindle. 2.2.7. Since the bearing bush needs to be removed when installing and disassembling the seal, special tools must be used to fix the shaft in the central position (special tools such as horse racks are provided by the factory). This special tool should be used when installing the seal and after installing it on the shaft.  The tool keeps the spindle in the center position and can only be removed after the bearing bush is replaced. 2.2.8. Apply a small amount of silicone grease appropriately on the outer surface of the O-ring. Be careful not to use butter or other lubricants.  Replace . Excess silicone grease should be wiped off to prevent lubricant from entering the seal area during seal installation 2.3. Installation of seal Note: During the installation process, determine when it is necessary to remove or install the radial bearing bush and fixed bearing according to the actual situation.The axial and radial position of the stator and rotor. 2.3.1. Before installing the seal, please note that the connection holes on the gland should correspond to the 8 M12 screw holes on the chassis. 2.3.2. Carefully and slowly install the complete set of seals with the mounting plate from the end of the main shaft. Gently push the seal into the machine by hand The group housing is about 10mm. Note that the seal cannot be rotated during this process.1.1.1. Use the installation tool provided in the supplied spare parts to install the dry gas seal into the seal cavity of the unit.1.1.2. Assemble the installation tools as shown in Figure 4 (2 sets in total); 1.1.3. Pass the two M12 studs through the connection holes on the dry gas seal casing and screw them into the M12 screw holes of the unit casing (twoThe root studs are distributed at 180° in the circumferential direction); 1.1.4. Slowly rotate the two nuts symmetrically and evenly, and push the dry gas seal into the unit cavity. 1.1.5. After pushing the dry gas seal into the unit cavity, remove the installation tools and keep them properly (it is also necessary to remove the dry gas seal) to use this tool). 1.1.6. Use 8 M12×25 hexagon socket screws (item 11) to fix the dry gas seal in the seal cavity of the unit. 1.1.7.  Remove the mounting plate (Item 30), install the locking nut (Item 19), and pass the dry gas through the adjustment ring (Item 27) The sealing sleeve is pressed against the shaft shoulder.Note: To prevent loosening, a small amount of anti-loosening glue (Loctite 222) can be applied to the threads.1.1.8. Install the comb tooth holder (Item 13) and tighten the connecting screws (Item 18). 1.1.9.  Install the comb ring (Item 14) and tighten the connecting screw (Item 16). 1.1.10.  Check the relevant installation dimensions according to the rotor position to determine whether the seal is in place. If correct, install additionally At one end, if there is a problem, check and analyze the cause immediately. 1.1.11.  Repeat the above steps to install the seal on the other end. 2. Disassembly of seal 2.1.  Remove the screws (Item 18), and take off the comb tooth holder (Item 13) and comb tooth ring (Item 14). 2.2.  Loosen and remove the locking nut (item 19).2.3.  Fit the mounting plate (key 30). 2.4.  Remove the dry gas seal connecting screws (item 11). 2.5.  Use the two M12 studs provided with the machine to screw into the M12 screw holes on the dry gas seal gland, and secure the entire set of dry gas seals. Cap the unit cavity. 2.6.  Carefully remove the complete set of seals from the shaft end. Note: The removed dry gas seal must be placed in a clean plastic bag to be airtight and dust-proof, and then placed in a sealed packaging box. 3. Operation and maintenance of seals 3.1. Dry gas seal start-up procedure 3.1.1.  Start the dry gas seal control system according to the dry gas seal control system commissioning procedure. 3.1.2.  Make sure that all instrument indications and remote transmission signals on the system are normal before inflating the process pipeline.3.1.3.  Put the unit’s lubricating oil system into service. 3.1.4.  Start the compressor unit. Note: The unit's lubricating oil pump must not be started before the dry gas seal isolation gas is introduced!  3.2.  Maintenance during dry gas sealing work The dry gas seal design has a wide application range and requires no maintenance under normal circumstances. Generally, the amount of sealing gas leakage should be observed every day. If the leakage of sealing gas increases, it may indicate the possibility of seal failure. Usually shouldNote the following points: 3.2.1.  The dry gas seal rotates in one direction, and reverse rotation is absolutely prohibited. At the same time, it should be avoided when the speed is less than 5m/s Run at low speed for a long time. Both situations have the potential to damage the seal. 3.2.2.  Ensure the flow of sealing gas is stable. Maintaining stable and uninterrupted sealing gas is a basic condition for the normal operation of dry gas seals. If the nitrogen pressure is insufficient, close attention should be paid; if the nitrogen bottle needs to be used, a dedicated person should monitor it at any time. control to ensure continuous supply of gas. 3.2.3.  Avoid negative pressure operation of the seal. Back pressure will cause a substantial increase in leakage under static pressure conditions, and It will cause damage to the sealing face during operation. 3.2.4.  Monitor changes in seal leakage at any time. Changes in leakage directly reflect the operating status of the dry gas seal. There are many factors that cause changes in leakage, such as fluctuations in process media, shaft channeling, surge, changes in pressure, temperature and speed, etc. As long as it does not continue to rise, the seal is considered to be operating normally; however, if the leakage amount is abnormal A continuously rising trend indicates a failure of the dry gas seal. 3.2.5. When the filter pressure difference reaches the alarm value, the filter should be switched in time and the filter element should be replaced. 3.2.6. When the unit is stopped, you must wait for the unit to completely stop running and stop the lubricating oil system for more than 10 minutes. Only then can the dry gas seal control system be turned off. 4.  Seals shipping and storage The complete set of seals should meet the requirements for transportation and frequent handling. Generally, it should be placed in a specially manufactured strong wooden box and fixed with foam plastic limits. Other loose parts in the box must be safely packed and placed on the shaftspace in the sleeve to prevent damage during transportation. In addition to the need for installation, the use of mounting plates also plays an important role in preventing relative collision between the sealing housing and the rotor during transportation. Therefore, as a complete set of dry gas seals, it is necessary whether it is transported or storedPlace the mounting plate in place. The indoor temperature of the sealed storage room is preferably between 15 and 25°C, and it should be kept away from heat sources such as boilers, heat exchangers or direct sunlight. The ambient humidity should be less than 75%. It is recommended to place a pack of desiccant in the packaging box. Note that it must not beTo ensure waterproofing, use oiled paper or cloth to package and seal. If it will not be used for a long time, it should be wrapped and sealed with polyethylene film. If the seal is shut down in the compressor for more than 60 days, it should be noted that the seal end face may be invaded by oil. You can usually check whether there is oil in the dry gas seal isolation gas inlet pipeline, or try to turn the car manually. If there is oil orIf turning is difficult, professionals should dismantle the seal, inspect the end face and clean it. Since the dry gas seal is a precision-made high-speed rotating component, the assembly relationship is complex and must be processed before leaving the factory.Strict dynamic balancing experiments and operation experiments have been carried out. Therefore, non-professionals must not disassemble and disassemble it at will. If the compressor is shut down for a long time with a dry gas seal, the main shaft should be fixed to prevent movement and possible damage to the seal. After confirming that the environment in the unit is dry, seal all connections on the compressor and do not allowThe remaining oil and other impurities in the unit may come into contact with the dry gas seal. If the dry gas seal exceeds the normal service life, some parts such as rubber parts, springs, etc. need to be replaced and regular inspections must be performed.  The service life of the dry gas seal is related to the storage time, operating time and the operating status of the unit. If the storage conditions are good and the unit operates well, the seal can be stored for 3 years and operated continuously for more than 3 years. However, the storage conditions are not good, or the unit starts and stops frequently, Vibration of the unit, shaft channeling, excessive beating, unclean pipes, etc. may cause the sealing life to be shortened.

Welcome to the mysterious world of labyrinth seals! These intriguing devices may sound like something out of a fantasy novel, but they play a crucial role in various industries and applications. From preventing leaks to maintaining the integrity of rotating machinery, these seals are true unsung heroes.In this blog post, we will unravel the secrets behind labyrinth seals and explore their different types, working mechanisms, as well as their wide-ranging uses. So grab your magnifying glass and get ready for an adventure through the winding pathways of labyrinth mechanical seal technology!But first things first: let's start with the basics. What exactly is a labyrinth seal?Definition of A Labyrinth SealA labyrinth seal，also called Clearance Seal, is a type of mechanical seal designed to prevent the leakage of fluid or gas between two components, such as rotating shafts and stationary housings. Unlike traditional seals that rely on direct contact or compression, labyrinth seals use a series of interlocking grooves or chambers to create a tortuous path for the escaping medium.These intricate pathways form a maze-like structure, hence the name "labyrinth." The purpose of this design is to impede the flow of fluids by creating multiple barriers and changes in direction. By forcing the fluid or gas to navigate through these convoluted passages, energy is dissipated, reducing pressure differentials and minimizing leaks.Labyrinth seals are commonly used in various industries where sealing efficiency and reliability are paramount. They can be found in applications ranging from turbine engines and compressors to pumps and gearboxes. Their ability to withstand high temperatures, pressures, and rotational speeds make them suitable for demanding environments.One notable advantage of labyrinth seals is their self-cleaning nature. As particles enter the gaps between grooves during operation, centrifugal force pushes them outwards away from critical sealing surfaces. This helps maintain optimum performance over extended periods without requiring frequent maintenance or replacement.Labyrinth seals offer an effective solution for containing fluids within machinery while minimizing frictional losses and optimizing operational efficiency. Now that we have established what they are let's delve deeper into their various types!Different Types of Labyrinth SealsLabyrinth seals come in various designs and configurations, each tailored to meet specific needs and requirements. Here are some of the different types of labyrinth seals commonly used in various industries:1. Straight-through labyrinth seal: This type of seal consists of a series of straight fins or teeth that act as barriers, creating a tortuous path for the fluid or gas to flow through. The multiple turns and obstacles prevent leakage by trapping the medium inside.2. Stepped labyrinth seal: As the name suggests, this design features steps or staggered fins along its length. These steps create additional barriers, further reducing the chances of fluid escape.3. Vortex-generating labyrinth seal: This innovative design incorporates grooves or channels that induce rotational motion in the fluid passing through it. By generating vortices, this type of seal enhances sealing effectiveness by increasing turbulence and preventing leakage.4. Honeycomb labyrinth seal: With its intricate honeycomb-like structure, this type offers excellent sealing performance while minimizing friction losses due to contact between rotating and stationary parts.5. Brush-seal labyrinth seal: Instead of solid fins or teeth, brush-seals employ flexible bristles made from materials like carbon fiber or synthetic fibers that conform closely to mating surfaces under pressure.These are just a few examples showcasing the diversity in labyrinth seal designs available today! Each type has unique features and advantages suited for different applications across industries such as aerospace, automotive manufacturing, oil drilling equipment, turbines systems etc., where effective sealing is crucial for operational efficiency and safety purposes.How Do Labyrinth Seals Work?Labyrinth seals are fascinating mechanisms that play a crucial role in various industries where effective sealing is essential. But how do these intricate seals actually work?At their core, labyrinth seals consist of multiple grooves or channels that form a complex maze-like structure. These grooves create a tortuous path for the fluid or gas to navigate through, preventing its escape and minimizing leakage. The design of the seal is such that it relies on the principle of restriction and turbulence to achieve an efficient seal.When pressure builds up within a system, the fluid or gas tries to escape through any available gaps. However, with labyrinth mechanical seal in place, this escape route becomes challenging. As the fluid or gas enters the first groove of the seal's labyrinthine structure, it encounters resistance due to narrow passages and abrupt changes in direction.The combination of these obstacles creates turbulence within the seal, causing pressure drops and eddies that impede further progress of the escaping medium. This turbulent flow effectively hinders leakage by dissipating energy and disrupting any potential paths for escape.Furthermore, labyrinth seals can incorporate additional features like fins or teeth along their grooves to enhance their sealing capabilities. These protrusions act as barriers against leakage by creating even more disturbances in the flow pattern.Labyrinth seals operate by exploiting hydraulic resistance, turbulence generation, and strategic obstruction placement to minimize leakages effectively. Their intricate design demonstrates engineering ingenuity aimed at achieving reliable sealing solutions across various applications ranging from aerospace engines to industrial machinery.Applications and Uses of Labyrinth SealsLabyrinth seals have a wide range of applications across various industries. One prominent use is in the automotive industry, where labyrinth seals are utilized in engines to prevent oil leakage and maintain optimal performance. These seals provide a barrier between different components, ensuring that lubricants stay where they need to be.In the aerospace industry, labyrinth seals play a crucial role in gas turbine engines. They help minimize air leakage and maintain pressure differentials within the engine, enhancing overall efficiency. This is especially important for aircraft engines, as any loss of air can significantly impact performance.Another application of labyrinth seal is found in industrial machinery such as pumps and compressors. By effectively sealing rotating shafts from external contaminants like dust or water, these seals contribute to improved equipment reliability and longevity.Beyond mechanical systems, labyrinth seals find utility in other areas as well. For example, they are used extensively in hydropower plants to seal gaps between rotating shafts and stationary structures like turbines or generators. This ensures efficient power generation without significant energy losses due to leaks.The versatility of labyrinth mechanical seal makes them indispensable across several industries for preventing leakage, maintaining proper pressure differentials, improving efficiency, and increasing equipment durability.Future Developments in Labyrinth Seal TechnologyAs technology continues to advance at an astonishing pace, the field of labyrinth seal technology is not far behind. Researchers and engineers are constantly pushing the boundaries of what these seals can do, seeking new innovations that will yield even better performance and efficiency.One area of focus for future developments is improving the sealing effectiveness of labyrinth seals. While they are already highly effective at preventing fluid leakage between rotating and stationary components, there is room for further enhancement. By refining the design and materials used in labyrinth seals, engineers aim to create seals with even tighter clearances and increased resistance to wear.Another exciting avenue for development lies in optimizing labyrinth seal designs for specific applications. Different industries have varying needs when it comes to sealing solutions, so tailoring labyrinth seals to meet those specific requirements can greatly enhance their performance. This could involve incorporating advanced materials or employing innovative manufacturing techniques.Furthermore, advancements in computational modeling and simulation tools are enabling researchers to gain deeper insights into the intricacies of fluid flow within labyrinth seals. This knowledge can be leveraged to develop more efficient seal designs that minimize fluid losses while maximizing overall system performance.In addition, there is ongoing research into using alternative lubricants or coatings on labyrinth seals that offer improved friction reduction and longer service life. These developments could lead to significant cost savings by reducing maintenance requirements and extending equipment lifespan.As we look towards the future of labyrinth seal technology, it's evident that there is great potential for further improvements in terms of sealing effectiveness, application-specific customization, computational modeling capabilities, as well as enhanced lubrication options. With each new breakthrough comes greater possibilities for optimizing machinery performance across various industries.Stay tuned as researchers continue their quest towards unlocking even greater efficiency with next-generation labyrinth seal technologies! The future holds exciting prospects indeed!ConclusionLabyrinth seals are essential components used in various industries to prevent leaks and maintain the efficiency of machinery. These seals work by creating a tortuous path for fluids or gases, effectively blocking their escape routes. With different types available, such as the straight-through labyrinth seal and the stepped labyrinth seal, there is a solution for every application.The applications of labyrinth seals are wide-ranging and diverse. They are commonly found in hydraulic systems, turbines, compressors, and engines where they play a crucial role in ensuring optimal performance and preventing leakage. Their ability to withstand high pressures makes them ideal for use in demanding environments.As technology continues to advance, we can expect future developments in labyrinth seal design and materials that will further enhance their effectiveness. Researchers are constantly exploring new ways to improve sealing capabilities while reducing friction and wear.Whether it's sealing hot gases inside an industrial furnace or preventing oil leaks from turbine shafts, labyrinth seals have proven themselves as reliable solutions across various industries. With their intricate design and functionality, these seals provide peace of mind knowing that equipment is protected against costly damage caused by leaks.Lepu labyrinth seal manufacturers and labyrinth seal suppliers provide high quality labyrinth seal replacement. Welcome to contact us!

A dry gas seal is a revolutionary way of sealing machines and protecting them from dust, moisture and other contaminants. A dry gas seal is a sealing device that uses pressurized gas to keep two surfaces from touching. The most common type of dry gas seal is the O-ring, which is used in many applications, including mechanical seals, piston rings, and gaskets. Dry gas seals are also used in many other industries, such as the food and beverage industry, where they are used to seal containers and prevent contamination. This type of seal not only helps to keep the machine running with maximum efficiency but also significantly reduce downtime, making it cost-effective in the long run. In this article, we'll explore what a dry gas seal is, how it works and why you should consider using it for your machinery. By understanding the benefits of a dry gas seal and its uses, you can make an informed decision about the best sealing system for your needs. How does a dry gas seal work?Dry gas seals work by using a series of labyrinths to separate the high pressure seal gas from the atmosphere. The labyrinths are formed by a series of grooves and ridges on the surface of the seal ring. The seal ring is rotated at high speed, causing the gas to flow through the labyrinths. The gas is then forced through an aperture in the center of the seal ring, where it escapes into the atmosphere. What is a dry gas seal used for?Dry gas seals are used on rotating equipment to help minimize the leakage of high pressure gases from the inside of the machinery. This helps to reduce maintenance costs and improve safety. Dry gas seals are commonly used in applications such as pumps, compressors, turbines, and blowers. Advantages of a dry gas sealThere are many advantages of a dry gas mechanical seal. One advantage is that they are much simpler in design than other types of seals, making them more reliable and easier to maintain. Additionally, dry gas seals do not require the use of any lubricating fluids, which can leak or evaporate over time. This makes them more environmentally friendly and cost-effective in the long run. Finally, dry gas seals have a much longer lifespan than other types of seals, meaning that they need to be replaced less often.Disadvantages of a dry gas sealThere are several disadvantages of dry gas seals, including: - they can be expensive to purchase and install- they require careful maintenance and regular inspection- they can be susceptible to wear and tear- they can leak if not maintained properlyHow to choose the right dry gas seal for your applicationThere are a few key factors to consider when choosing the right dry gas mechanical seal for your application. The most important factor is the type of fluid being sealed. Gas seals are designed to seal either liquids or gases, but not both. Make sure to choose a gas seal that is compatible with the fluid you are sealing.Another important factor to consider is the pressure of the fluid being sealed. Gas seals are rated for different maximum pressures, so make sure to choose one that can handle the pressure of your application.Finally, take into account the size and shape of the sealing surfaces. Gas seals come in a variety of sizes and shapes to fit different applications, so make sure to choose one that will fit your needs.ConclusionDry gas seals are an extremely important component for many industrial operations, and their ability to prevent leaks has made them invaluable in a variety of applications. Understanding the basics of how dry gas mechanical seal work and how they can be used effectively is helpful when considering the various options available for any specific application. With the right choice, dry gas seals can provide reliable, leak-free performance which will save time, money and resources while ensuring safety and reliability. Lepu dry gas seal manufacturer provides best quality flowserve dry gas seal and dry gas seal. Welcome to contact us!

Raw materials are materials or substances used in the primary production or manufacturing of flygt pump seal. There are different grades and classes of raw materials. The selection is based on material properties, the needed properties of the final product, and many other factors. And it is also subject to rules and regulations governing the suitability of production from the country of origin. If you are not sure which material you need or can be substitute, Guangzhou Lepu Seal Machinery Co., Ltd can help you analyze the best to satisfy your application requirements. Thanks to years of efforts put on developing, designing, and manufacturing mechanical seal parts, Guangzhou Lepu Machinery CO., LTD has become one of the most competitive manufacturers in the industry. bellow seal is the main product of Lepu Seal Machinery. It is diverse in variety. No errors occur during its operation. It has been tested for accuracy and Its slight physical differences are mathematically corrected in the computer operating system. The seal face uses high quality SSIC for stationary and rotary . R&D and marketing ability are two fundamental kinds of 'core competence' for Guangzhou Lepu Machinery CO., LTD. Lepu can customize the products to satisfy the different needs of customers.Our company assumes social responsibility. We are now working on incorporating ESG elements into management / strategy and improving the way we disclose ESG information to our stakeholders.