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.

The metal bellows mechanical seal uses a metal bellows as the core elastic element, offering high and low temperature resistance, corrosion resistance, and wide applicability.

Metal bellows mechanical seal with rotary flange connection and forced cooling system, operating efficiently from -75℃ to 400℃, suitable for extreme low and high temperatures.

A single-face cartridge balanced mechanical seal designed for pulp pumps, resistant to high pressure and high speed, suitable for various corrosive media with long service life.

UK Mechanical Seal features an internal single-face design with a single spring, suitable for water, wastewater, and weakly corrosive oils. Compact, reliable, and easy to install and maintain.

ZU44 mechanical seal features a single-spring, non-balanced fork drive design suitable for various industrial sealing applications. It performs reliably in oil, water, crystallizing alkaline media, salts, slurry, and other weakly corrosive fluids, while silicon carbide sealing faces provide stable performance and durability.

The WB2 mechanical seal features a single-face balanced design, suitable for aggressive media containing particles, offering high reliability and stable performance for long-term safe operation.

UK Mechanical Seal features an internal single-face design with a single spring, suitable for water, wastewater, and weakly corrosive oils. Compact, reliable, and easy to install and maintain.

The TD cartridge mechanical seal features a single-face cartridge design for easy installation and stable operation. Its balanced structure and bidirectional rotation make it suitable for high-impurity media such as gypsum and lime slurry, widely used in flue gas desulfurization systems in coal-fired power plants.

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 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.

The M481 mechanical seal features a non-balanced cartridge design suitable for any rotation direction, providing reliable sealing for oil, water, and mildly corrosive media. It is heat-resistant, corrosion-resistant, and ensures stable performance for industrial equipment.

The M74F Mechanical Seal offers broad applicability and reliable performance with a compact, user-friendly design. Its strong interchangeability and secure spring assembly ensure efficient sealing for water, oil, and mildly corrosive media.

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!