Products

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.

M7N mechanical seal is a single-face, non-balanced seal designed for various industrial pumps. It supports bidirectional rotation and provides reliable sealing performance under pressures up to 16 bar and temperatures from -20°C to 220°C. With multiple face material options, it is suitable for water, oils, and moderately corrosive media.

The 58U/59U mechanical seal is a compact multi-spring single seal with a non-balanced design and bidirectional rotation. It offers stable sealing performance under high speed and moderate pressure, making it suitable for oil, water, organic solvents, and other corrosive media in various industrial pump systems.

The GB-M37 mechanical seal is a single-face, non-balanced seal with a conical spring design. Manufactured in accordance with EN12756 (DIN24960) standards, it offers reliable sealing performance for pumps and rotating equipment under moderate pressure and temperature conditions.

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.

This cam pump mechanical seal is designed for industrial fluid handling systems to provide reliable sealing performance and prevent leakage. Manufactured with high-grade stainless steel and precision-machined surfaces, it ensures stable operation and long service life in demanding environments such as high pressure or vacuum conditions.

This grinding machine mechanical seal is designed for industrial pumps and rotating equipment to effectively prevent liquid leakage and maintain stable system efficiency. Built with durable materials, it performs reliably in slurry and other harsh operating environments commonly found in mining and wastewater processing industries.

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.

Nanfang Pump Mechanical Seal adopts a single-end cartridge structure with fork drive transmission, allowing operation in any rotation direction. It provides reliable sealing performance under pressures up to 1.2 MPa and temperatures from -20°C to 150°C.

Rovara mechanical seals are designed for rotating shafts to prevent fluid leakage efficiently. Made with corrosion-resistant materials, they perform reliably under high-temperature and high-pressure conditions, offering long-lasting sealing performance.

The Grundfos mechanical seal features a single-end cartridge design with forked drive suitable for any rotation direction. It withstands up to 1.2MPa pressure, operates from -20 to 150℃, with a rotational speed ≤10m/s, providing reliable and durable sealing performance.

The Flygt mechanical seal is made of high-quality materials, suitable for various industrial pumps and corrosive media, sturdy and durable, ensuring long-term reliable operation.

The cartridge metal bellows mechanical seal uses metal bellows as the elastic element, featuring compact structure, corrosion resistance, and suitability for high and low temperature environments with various chemical media. Reliable, easy to install, and long-lasting.

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

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.

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

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.

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.

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!