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China 109 Series Mechanical Seal Water Pump Suppliers - Reliable Factory Sealing Solutions for Industrial Applications
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China 109 Series Mechanical Seal Water Pump Suppliers - Reliable Factory Sealing Solutions for Industrial Applications

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The 109 series mechanical seal is a top-quality universal sealing solution manufactured in China, recognized for its reliability and innovative design. This mechanical seal features a robust structural configuration, employing high-grade materials that make it the go-to choice for fluid sealing applications in various industrial settings. The design incorporates an interior, single end face, single spring, and an unbalanced structure, with specifications ranging from 10 to 110mm. This versatility allows it to accommodate a range of rotating mechanical equipment while effectively sealing water, oil, and general corrosive solutions.

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For demanding environments, our special material version is engineered to resist strong acids, alkalis, and chlorine corrosion, ensuring a consistent sealing performance. As leading suppliers and a reputable factory in the industry, we are committed to providing high-quality mechanical seals that meet your operational needs.

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    Product Details

    Product Introduction

    The 109 series mechanical seal is a well-designed and reliable universal sealing component. With a reasonable structural design and high-quality material selection, it has become the preferred product for fluid seals in the industrial field. This series adopts an interior, single end face, single spring, and unbalanced structure, with specifications covering 10-110mm, suitable for various rotating mechanical equipment, and can flexibly cope with water, oil, and general corrosive solutions. The special material version can withstand strong acid, alkali, and chlorine corrosion, and the sealing effect is stable.

    The production of the product relies on advanced CNC machining equipment and strictly follows precision manufacturing processes. The sealing end face is professionally ground and processed, and the corrugated tube is processed through multiple steps of quenching. The assembly process is rigorous and standardized, and the finished product passes the full process quality inspection. The quality meets international standards, and the dynamic ring can be flexibly changed in material. It is easy to install, has low maintenance costs, and can achieve stable transmission without bonding.

    As a widely used universal mechanical seal, the 109 series has been deeply adapted to multiple industries such as papermaking, chemical, power, metallurgy, and cement. It can be used for various pump bodies such as water pumps, sewage pumps, chemical pumps, pulp pumps, as well as mixers, centrifuges, and other equipment, effectively solving the problem of fluid leakage, reducing equipment losses, and improving operational efficiency. It has the advantages of strong adaptability, good sealing performance, and long service life, which can meet the complex sealing needs of different industries and provide reliable guarantee for the stable operation of industrial production. It is a cost-effective universal mechanical seal product.

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    Product Production Process
    1 Core process: relying on advanced CNC machine tools and CNC machining centers, following the five major links of raw material selection, precision machining, sealing surface grinding, assembly and debugging, and full process quality inspection.
    2 Raw material processing: Strictly screen the raw materials before entering the site to ensure that the material performance meets the standards.
    3 Key processing: The sealing end face adopts professional grinding technology to improve flatness and smoothness; The corrugated pipe adopts processes such as stamping, cleaning, welding, and heat treatment, while the PTFE corrugated pipe adopts a single blade turning process.
    4 Assembly requirements: The parts should be cleaned and pre treated with alcohol or specialized cleaning agents, and operated according to the static ring installation, dynamic ring and shaft sleeve assembly, and overall assembly process to ensure that the springs are concentric and the sealing surface is evenly stressed.
    5 Quality inspection standards: The finished product undergoes multiple performance tests such as high temperature resistance, sealing, and corrosion resistance. Dimensional testing is carried out using tools such as coordinate measuring instruments and micrometers. Surface quality is verified through optical microscopy, and the entire process is traceable.
    Features
    1 Structural design: Interior, internal flow, single end face, single spring, unbalanced structure, overall exquisite and reasonable, highly adaptable.
    2 Specification range: The specification covers 10-110mm and can meet the sealing requirements of different equipment.
    3 Material selection: The sealing end face is made of high-quality materials such as graphite, silicon carbide, and hard alloy, and the auxiliary sealing is made of elastic materials such as nitrile, ethylene propylene, and fluorine rubber. Metal components are made of corrosion-resistant materials such as 304, 316L stainless steel, and Hastelloy C.
    4 Performance parameters: Can withstand temperature range of -20℃ to 300℃, working pressure ≤ 1.2MPa, linear velocity ≤ 10m/s, axial displacement ± 0.5mm.
    5 Compatible media: Suitable for water, oil, and general corrosive solutions. Some special materials are resistant to strong acid, alkali, and chlorine corrosion.
    6 Other advantages: The rubber corrugated tube has both secondary sealing and dynamic ring driving functions. The dynamic ring is driven by an L-ring and a spring, without the need for bonding, and can be flexibly changed in material. It is easy to install and has low maintenance costs. The quality meets DIN24960 and ISO9001:2000 standards, and the sealing performance is stable and reliable.
    Frequently Asked Questions
    Q1: What size range does the 109 series mechanical seal cover?
    The 109 series mechanical seal covers a specification range of 10–110mm, making it suitable for a wide variety of rotating mechanical equipment across different industries.
    Q2: What types of media is the 109 series mechanical seal compatible with?
    It is compatible with water, oil, and general corrosive solutions. Special material versions are also available that can resist strong acid, alkali, and chlorine corrosion.
    Q3: What are the operating temperature and pressure limits of this mechanical seal?
    The 109 series can operate in a temperature range of -20℃ to 300℃, with a working pressure of ≤ 1.2MPa and a linear velocity of ≤ 10m/s.
    Q4: What industries and equipment is the 109 series mechanical seal suitable for?
    It is widely used in papermaking, chemical, power, metallurgy, and cement industries. It is compatible with water pumps, sewage pumps, chemical pumps, pulp pumps, mixers, centrifuges, and more.
    Q5: Does the 109 series mechanical seal require bonding during installation?
    No bonding is required. The dynamic ring is driven by an L-ring and spring mechanism, which also allows flexible material changes. This makes installation easy and reduces long-term maintenance costs.
    Q6: What quality standards does the 109 series mechanical seal meet?
    The product meets international standards including DIN24960 and ISO9001:2000. Each finished product undergoes full-process quality inspection covering high temperature resistance, sealing performance, and corrosion resistance testing.