For many years, Anhui Wolong Pump and Valve Co., Ltd. has been dedicated to the research and production of chemical pumps, deeply cultivating the fluid transportation industry. With a precise grasp of the needs of the chemical industry, we have ingeniously created high-quality chemical pump products that are suitable for various complex working conditions. Whether it is precision medium transportation in fine chemical production or high flow and efficient transportation in large-scale chemical projects, the company's entire range of chemical pumps can operate stably and efficiently. Among them, CQB15-15-65F is a classic main model that is suitable for conveying acid-base and corrosive media. It is corrosion-resistant, leak free, and runs smoothly, perfectly matching the needs of multiple industries such as fine chemicals, electroplating, and pharmaceuticals.

Anhui Wolong Pump and Valve Co., Ltd. strictly controls the production and manufacturing process at every level, from carefully selecting high-quality raw materials to polishing every production process detail, always putting product durability, stability, and ease of maintenance in the first place. From structural design to finished product testing, every chemical pump, including CQB15-15-65F, undergoes strict quality inspection, with strong corrosion resistance, long service life, and easy maintenance in the later stage, greatly reducing the cost of enterprise use and maintenance troubles. With professional research and development capabilities, strict production standards, and full scenario product adaptation, choosing Anhui Wolong Pump Valve means choosing quality and peace of mind.

Have you also encountered such a problem: ordinary chemical pumps seem to have standard parameters, but once faced with high temperatures, strong corrosion, media containing particles or easily crystallized media, they frequently experience transmission failures such as leakage, wear, and even shaft breakage? This is often not because the pump itself is not "good" enough, but rather because its adaptability to your specific working conditions is insufficient. In response to the pain points in this industry, Anhui Wolong Pump and Valve Co., Ltd. adheres to the research and development concept of "specialized pumps" and has developed multiple specialized models for different medium characteristics (such as concentrated sulfuric acid, hydrofluoric acid, hydrochloric acid, electrolyte, high salt wastewater, etc.). From fluoroplastic alloy pumps to high-temperature resistant mortar pumps, from high flow chemical centrifugal pumps to self-priming magnetic pumps with excellent performance, each one is designed with targeted reinforcement in key aspects such as sealing structure, corrosion-resistant materials, impeller hydraulic model, etc., to ensure stable operation of the pump in your actual working conditions, rather than just staying in the ideal laboratory environment.

In the production process, we are even more uncompromising. Anhui Wolong Pump and Valve Co., Ltd. strictly implements a full process quality control system from rough casting to complete machine assembly, using high-precision CNC machining centers to ensure the dimensional consistency of core components such as impellers, pump shafts, and sealing chambers. The flow rate, lift, vibration, and sealing performance are verified through dynamic testing of each unit. It is precisely this dual demand for "component accuracy" and "overall assembly quality" that enables our chemical pumps to maintain low failure rates and long maintenance cycles even in the face of complex media. Not only that, we also provide full lifecycle services from selection consultation, installation guidance to regular inspections, helping customers avoid unexpected downtime caused by selection errors or improper operations.

Use a more suitable pump to solve more difficult medium problems. Anhui Wolong Pump and Valve Co., Ltd. has provided reliable transportation solutions for thousands of chemical, metallurgical, environmental protection, electroplating, and surface treatment enterprises, winning widespread trust with excellent performance in corrosion resistance, wear resistance, and stable sealing. If you are struggling with frequent malfunctions in a specific working condition, let us provide you with a "one-to-one" matching of specialized pump models - using

Business owners engaged in chemical smelting industry pay great attention to the selection of high-quality and reliable chemical pumps. Anhui Wolong Pump Valve Co., Ltd. has been deeply engaged in the chemical pump industry for many years. We independently develop a variety of special pump models according to different chemical medium transportation requirements, and continuously optimize and upgrade the key performance including corrosion resistance, wear resistance and sealing performance. Every product produced by us strictly complies with quality standards, and we are committed to establishing long-term stable cooperative relations with customers through excellent product performance and thoughtful service.

As one of our core products, the CQB16-12-50F fluoroplastic magnetic chemical pump is specially applicable to corrosive medium transportation in chemical smelting projects. This pump features excellent anti-corrosion performance, compact structure and reliable sealing effect, which can stably adapt to harsh chemical working conditions. Anhui Wolong Pump Valve Co., Ltd. provides professional matching solutions and comprehensive after-sales service for the CQB16-12-50F pump, effectively ensuring the safe and efficient operation of customers’ production lines.

The high-quality development of the chemical industry has always relied on the solid support of high-quality equipment. Anhui Wolong Pump and Valve Co., Ltd. has always focused on enhancing the core competitiveness of its products in the pump and valve sector. Through continuous technological research and development, the pump body structure design is continuously optimized to significantly improve the efficiency of medium delivery while effectively reducing operating noise and energy consumption. Faced with complex and demanding media environments such as strong acids, strong alkalis, and high salts in chemical production, the company insists on using high-strength and corrosion-resistant materials (such as fluoroplastics, fluoroalloys, etc.) to crack the pain points of corrosion and leakage from the source, greatly extending the service life of equipment under extreme working conditions. Behind every pump valve is a triple consideration of efficiency, environmental protection, and safety.

It is this long-term investment in technical details and material science that has made Anhui Wolong Pump and Valve Co., Ltd.'s products a trusted "fluid heart" for chemical enterprises. Whether it is precision feeding in fine chemicals or high flow circulation conveying systems, their pump and valve products can maintain stable and efficient operation performance, effectively reducing customers' operation and maintenance costs and downtime risks. Building products with strength and fulfilling promises with quality - Anhui Wolong Pump and Valve Co., Ltd. is taking practical actions to provide more valuable fluid transportation solutions for modern chemical production, helping the industry continue to move towards a more efficient, green, and safe direction.

In the petrochemical, water treatment, and chemical processes, centrifugal pumps are undoubtedly the "model workers", but did you know? 90% of pump body failures, motor burnout, and seal leakage accidents are not caused by equipment aging, but by a small mistake in start stop operations.

As a professional manufacturer specializing in fluoroplastic pumps and centrifugal pumps for many years, Anhui Wolong Pump Valve has seen too many equipment damages caused by non-standard operation. Today we will explain the standard start stop operation specifications for fluoroplastic centrifugal pumps in detail, helping you to guard the first line of defense for equipment safety, so that every Wolong pump valve equipment can operate stably and have a full service life!

Whether it is a fluoroplastic centrifugal pump or a conventional industrial centrifugal pump, the key to operation is hidden in this mnemonic: pump exhaust → disc inspection → close the outlet and start the machine → slowly open the outlet → close the outlet and stop the machine; This is the "lifeline" of a centrifugal pump. If it jumps or reverses, it can cause the motor to trip or the pump to be scrapped!

1. Before starting up: extinguish the "hidden dangers" first; Pump exhaust, strictly prohibit idling, there is air in the pump chamber, not filled with liquid, and once the pump is turned on, dry friction occurs, and the mechanical seal burns out in a few minutes! Manual turning, do not force open, use your hand to turn the coupling 3-5 times, especially when conveying media that are prone to crystallization; If there is no movement or abnormal noise, do not forcefully turn on the machine! It is highly likely that the rotor is stuck or the dynamic and static ring surfaces of the machine seal are stuck, causing direct damage to the impeller or machine seal, and even damaging the bearings. The auxiliary system should first use cooling water, lubricating oil, and sealing flushing fluid, and start 10 minutes in advance to ensure stable oil temperature and water pressure.

2. At startup: Stay steady, don't worry; The inlet valve must be fully open, and the outlet valve must be fully closed! This is called 'closed start', which can significantly reduce the starting current and prevent motor overload tripping. First, tap to confirm if the pump's direction of rotation is correct, especially for the variable frequency motor, check if the coupling's direction of rotation is consistent with the pump's direction of rotation. Wait until the outlet pressure stabilizes, then slowly open the outlet valve while keeping an eye on the current. Do not exceed the rated value, and only release it if there is no abnormal noise or leakage.

3. Running: Focus on 3 key data points; Bearing temperature: Sliding bearings should not exceed 65 ℃, rolling bearings should not exceed 70 ℃, and overheating will quickly burn out. Sealing leakage: The dripping should not exceed 3-10 drops per minute. If there is too much leakage, it should be checked as soon as possible. Oil level: Keep the lubricating oil at 1/2-2/3 of the oil level, do not run out of oil, and do not use spoiled oil.

4. When stopping the pump: the order is wrong, and the equipment is directly "damaged internally"; Slowly close the outlet valve first to prevent the backflow of high-pressure liquid. Turn off the motor power again and wait for the pump to completely stop. Finally, close the inlet valve.

Having mastered the standard operating procedures, it is even more important to be vigilant about high-frequency misconceptions in operation - avoiding pitfalls! Don't make these 5 high-frequency mistakes!

In order to facilitate everyone to quickly master the core of safe operation of centrifugal pumps, we have specially summarized the "three checks and three don'ts" principle, which must be strictly followed: ✅ Three checks: check whether the exhaust of the filling pump is complete, check whether the turning status is normal, and check whether the auxiliary system is in place; ❌ Three Nos: Do not idle, do not reverse, and do not use inlet valves to regulate flow.

In chemical production, the medium often contains strong acids, strong bases, or organic solvents. Choosing a truly corrosion-resistant and stable chemical pump not only affects the efficiency of the production line, but also directly affects the equipment life and maintenance costs.

Anhui Wolong Pump and Valve Co., Ltd. has been deeply involved in the industry for many years, focusing on the pain points of actual chemical transportation, systematically optimizing product structure, and focusing on creating multiple scenario adapted corrosion-resistant chemical pumps. From fluoroplastic centrifugal pumps to magnetic drive pumps, from mortar pumps to self-priming pumps, key overcurrent components are made of high-quality fluoroplastics and high-purity silicon carbide and other corrosion-resistant materials, which can effectively resist acid, alkali and strong solvent erosion, reducing the risk of leakage and failure from the source.

Every pump undergoes strict performance and sealing tests before leaving the factory to ensure efficient and safe operation even under complex conditions such as high temperature, high concentration, or particulate media. Therefore, the series of products of Anhui Wolong Pump Valve are widely used in the fields of fine chemicals, pharmaceutical intermediates, electroplating, environmental protection, and lithium battery materials.

The actual feedback from customers also confirms this point: "Under the same working conditions, Wolong's corrosion-resistant magnetic pump has been stable for more than two years, and the maintenance frequency is significantly lower than other brands previously used

Choosing Anhui Wolong Pump and Valve Co., Ltd. is not only about choosing a pump, but also about choosing a validated chemical fluid transportation guarantee solution. Stable, durable, and worry free - these are the chemical pumps that chemical companies truly need.

Having been deeply involved in chemical pumps for many years, Anhui Wolong Pump and Valve Co., Ltd. uses "precise selection+reliable manufacturing" to help customers avoid transportation risks from the source. We are well aware that the faults and inefficiencies of chemical pumps are often not due to the poor quality of the pump itself, but rather due to "using the wrong type" or "ignoring the details of the operating conditions". Therefore, we do not blindly recommend the model, but first deeply understand your medium temperature, corrosiveness, solid content, and continuous operation requirements, and recommend the pump model that truly matches. On this basis, high-quality corrosion-resistant materials and precision casting processes are used to ensure that the pump body remains stable for a long time in strong acid, alkali or solvent environments. The first principle of Wolong Pump Valve Service is to use professional experience to help customers avoid detours.

The real solution to the two core pain points of "leakage" and "inefficiency" relies on continuous structural innovation. The innovative sealing structure independently developed by Anhui Wolong Pump and Valve Co., Ltd. significantly reduces the risk of leakage at the shaft seal, especially suitable for volatile, toxic or valuable media. At the same time, optimizing the flow channel design through fluid simulation reduces hydraulic losses, allowing the pump to output higher flow rates and head under the same energy consumption. From selection, material, sealing to flow channels, we offer not just a pump, but a verifiable 'delivery solution'. If you are struggling with pump reliability, maintenance costs, or efficiency issues, Wolong Pump Valve's experience and products are worth a thorough discussion.

When choosing suitable chemical pumps, Anhui Wolong Pump Valve Co., Ltd. is committed to providing high-quality chemical pump products based on years of professional experience in the industry. The company conducted in-depth research on the medium transportation needs in different chemical scenarios, continuously optimized product structure, and significantly improved the adaptability and operational stability of equipment. The key parts are made of high-quality corrosion-resistant materials, which can effectively resist the corrosion of various acids, alkalis, and organic solvents, reduce the occurrence of failures from the source, extend the service life of equipment, and provide more reliable transportation guarantee for chemical enterprises.

Anhui Wolong Pump and Valve Co., Ltd. always adheres to customer demand orientation and serves the entire chemical industry with high-quality products. Every chemical pump undergoes rigorous testing to ensure efficient and safe operation even under complex working conditions. The company not only focuses on improving product performance, but also pays attention to users' experience and feedback in actual use, striving to provide more professional and durable pump and valve solutions for the chemical industry through continuous innovation and technological accumulation. Choosing Anhui Wolong Pump Valve means choosing stability and peace of mind.

Anhui Wolong Pump and Valve Co., Ltd. has always been dedicated to the research and manufacturing of chemical pumps, firmly placing product safety and operational stability in the first place. In response to extreme working conditions such as high temperature, high pressure, and strong corrosion commonly found in chemical production, we continuously optimize product design and carefully inspect every layer from structure to material. By selecting high-quality materials with high strength and corrosion resistance, and focusing on strengthening the reliability of the sealing system, the risk of leakage is reduced from the source, ensuring that the equipment can still operate stably and safely in harsh environments for a long time.

In the production and manufacturing process, we strictly implement a systematic quality control process and implement standardized management for each process. From component processing to complete machine assembly, each pump must undergo comprehensive performance testing before leaving the factory to ensure that all technical indicators meet the design requirements. We believe that only rigorous craftsmanship and rigorous testing can deliver products that truly give customers peace of mind.

If you have high standards and strict working conditions for pump equipment in chemical production, please feel free to choose us. We will provide solid support for your production operation with professional products and reliable services.

To help reduce costs and increase efficiency in chemical production, Anhui Wolong Pump and Valve Co., Ltd., as the source factory, has deeply optimized the power transmission system based on core pain points. The system has achieved a significant leap in energy utilization efficiency, significantly reducing energy consumption expenses in the production process, while fully enhancing its corrosion resistance to cope with long-term corrosion from strong acids, strong alkalis, and various complex chemical media, ensuring that the equipment remains stable and reliable under harsh working conditions. With excellent operational stability verified through mass production testing, the equipment has been fully validated in large-scale continuous production, eliminating efficiency losses caused by downtime due to faults from the source and providing solid guarantees for production continuity.

In terms of structural design, we adopt an innovative structure independently developed, which is extremely convenient for disassembly and maintenance. It can effectively shorten maintenance time and reduce maintenance intensity, making equipment maintenance no longer a bottleneck in production. The equipment has particularly excellent anti blocking ability, even when dealing with complex media such as particles and impurities, it can still maintain smooth operation, greatly reducing the risk of blockage and cleaning frequency.

As the source factory, we insist on de intermediation, without middlemen making a profit, achieving cost control while ensuring excellent quality, and truly benefiting our customers. The comprehensive factory after-sales direct service not only responds promptly and provides professional service, but also ensures worry free operation and maintenance in the future. From core performance to user experience, from procurement costs to after-sales service, the entire process revolves around "worry free, cost-effective, efficient, and durable" to create a truly competitive power transmission solution for customers in the long run.