Light-duty Mechanical Seals For Pumps

Our Product

Precision Seals, Engineered for Reliability

Discover our range of high-performance mechanical seals, designed for diverse industrial applications to ensure safety, efficiency, and durability.

C8U Mechanical Seal

The C8U mechanical seal is designed for pump systems handling clean water, sewage, oil, and moderately corrosive fluids. It features a compact single-spring structure with reliable sealing performance and materials such as SiC, carbon, and FKM, making it suitable for stable operation in industrial pump applications.

Automotive Water Pump Mechanical Seal

This automotive water pump mechanical seal is designed for engine cooling systems and pump equipment, effectively preventing coolant leakage while maintaining stable pump operation. With durable ceramic and carbon sealing faces and a compact single-spring design, it delivers reliable sealing performance in automotive and general pump applications.

MG13 Mechanical Seal

MG13 mechanical seal is a balanced single-face seal with a multi-spring design and bi-directional rotation capability. It provides stable sealing performance under moderate pressure and temperature conditions and is suitable for water, oil, and mildly corrosive chemical media, offering reliable operation in various industrial pump applications.

MG1 Mechanical Seal

MG1 mechanical seal features a single-face, unbalanced design with a rubber bellows structure. It is suitable for water, oil, and mildly corrosive chemical media, providing stable and reliable sealing performance under medium to low operating conditions.

FBD Mechanical Seal

FBD Mechanical Seal features an internal mounted, single-end, unbalanced design with single spring and fork-type drive structure. It is suitable for weak acids, weak alkalis, and media containing particles or crystallizing solids, delivering stable and reliable sealing performance under medium pressure conditions.

2100 Mechanical Seal

The 502 mechanical seal is designed for reliable sealing in pumps and mixers handling oil, water, organic solvents, and mildly corrosive liquids. Its durable materials and simple structure ensure stable operation and long service life.

502 Mechanical Seal

155 Mechanical Seal

155 Mechanical Seal is a single-face, non-balanced seal with fixed rotation and conical spring design. It is suitable for oil, water, and mildly corrosive media, delivering stable and cost-effective sealing performance under medium operating conditions.

104 Mechanical Seal

The 104 Mechanical Seal features a single-end, unbalanced structure designed for medium to low-pressure applications. With a simple design and easy installation, it is widely used in wastewater treatment, general industrial pumps, and oil transfer equipment.

Application areas

Sealing Solutions Across Industries

Our mechanical seals are engineered to perform reliably in demanding industrial environments across multiple sectors.

Cleanroom sealing solutions for sterile and strictly contamination-controlled production.

Robust seals designed for heavy-duty equipment and extreme operating conditions.

Reliable sealing for high-pressure, high-temperature, and corrosive environments.

Durable seals supporting continuous operation in marine and port equipment.

Stable sealing performance for continuous and high-moisture production processes.

Why Choose Our Sealing Solutions

With extensive experience in sealing technology, we deliver mechanical seals engineered for demanding industrial environments. From structural design to final inspection, every process is carefully controlled to ensure stable performance, safety, and long service life.

Why Tongmi

Engineering Expertise

Reliable sealing in diverse conditions.

Controlled Manufacturing

In-house production for consistent precision.

Strict Quality Inspection

Verified performance through inspection.

Application Solutions

Tailored sealing for specific applications.

FAQs

Sealing Questions, Answered Clearly

What equipment fields are mechanical seals mainly used in?

Mainly used in rotating equipment such as pumps, mixers, compressors, and reactors, widely applied in power plants, chemicals, petroleum, pharmaceuticals, food, marine, automotive, and other industries.

What are the advantages of mechanical seals over traditional packing seals?

Mechanical seals feature minimal leakage, longer life, lower maintenance costs, and better environmental performance. We ensure stable operation under demanding conditions, reducing downtime.

How do I choose the right mechanical seal for my operating conditions?

Provide details such as media, temperature, pressure, speed, and shaft diameter. Our expert team will recommend standard or custom non-standard solutions tailored to your needs.

What should I do if my mechanical seal leaks?

First check installation, shaft alignment, and media compatibility. We offer prompt after-sales response, including failure analysis, repair guidance, and technical support to resolve issues quickly.

How do you control the quality of your seals?

We rigorously control every production step, including material inspection, multi-stage testing, and final performance verification, ensuring every product is a premium item.

Get Started

Precision Sealing, Building Reliable Futures

We specialize in premium mechanical seals, delivering strict quality and flexible customization to ensure your equipment runs safely and efficiently under demanding conditions. Contact us now to start a win-win partnership!