MIAOYU is a leading Burgmann mechanical seal manufacturer and supplier in China, specializing in high-performance, direct-interchange replacement seals for the globally renowned EagleBurgmann brand. Our comprehensive product line is engineered to meet or exceed OEM specifications, offering a reliable and cost-effective alternative for maintenance, repair, and operations (MRO) across various industries, including chemical processing, oil & gas, water treatment, and power generation.
We provide extensive coverage of the most popular and widely used Burgmann mechanical seal series, ensuring seamless compatibility and easy installation. Our catalog includes precision replacements for the industry-standard MG1 and MG12 elastomer bellows seals, ideal for general-purpose and wastewater applications. For demanding high-pressure and high-temperature environments, we offer robust equivalents to the H7N and H75N balanced seals. Additionally, our range covers specialized models such as the M3N/M32/M37N for centrifugal pumps, the M2N for submersible pumps, the HJ92N for vertical turbine pumps handling abrasive media, and advanced dry gas seals for monoblock pumps.
Each Burgmann replacement seal is manufactured using premium materials such as silicon carbide (SiC), tungsten carbide (TC), carbon, and high-grade elastomers (Viton/FKM, EPDM, NBR) to ensure superior wear resistance, chemical compatibility, and long service life. With a focus on dimensional accuracy and functional reliability, MIAOYU delivers drop-in solutions that restore original equipment performance while significantly reducing downtime and procurement costs. Our technical support team is available to assist with custom configurations for specific shaft sizes, pressures, and material requirements.

This Burgmann M3N mechanical seal is a precision-engineered Burgmann mechanical seal replacement covering the entire M3 series, including Burgmann M32 and Burgmann M37N variants. As a direct drop-in for EagleBurgmann M3N, M32, and M37N seals, this Burgmann mechanical seal features a simple conical spring design that is self-cleaning and robust—ideal for water, oil, and mild chemical services. The Burgmann M3N variant uses a single spring to grip the shaft, eliminating drive pins that can slip. The Burgmann M32 and Burgmann M37N share the same proven geometry with slight dimensional variations. Available in shaft sizes 6mm to 80mm with Carbon, SiC, or TC faces and NBR, EPDM, or Viton elastomers. Factory-direct pricing on all Burgmann mechanical seal replacements.

Looking for a Burgmann M32/55 mechanical seal or a direct EagleBurgmann M32/55 replacement? Our MIAOYU M3255 series is a 100% dimensionally interchangeable equivalent to the original EagleBurgmann M3 series (M3N/M32/M37N, including the M32/55 compact version). Designed for water pumps, sewage pumps and light industrial centrifugal pumps, this Burgmann type M32 mechanical seal replacement delivers OEM-grade performance at a fraction of the cost. As a Burgmann M32/55 replacement manufacturer in China, we offer custom mechanical seal factory direct price, OEM/ODM support and full material options.

Looking for a Burgmann H75N mechanical seal or a direct EagleBurgmann H75N replacement? Our MIAOYU H75N series is a 100% dimensionally interchangeable equivalent to the original EagleBurgmann H75N balanced mechanical seal for tandem pump, high-pressure multistage centrifugal pumps and process pumps. As a Burgmann H75N replacement manufacturer in China, we offer custom mechanical seal factory direct price, OEM/ODM support and full material options—delivering OEM-grade performance without the OEM markup. Suitable for oil, water, weak corrosive media up to 25 bar.

The Burgmann M2N single mechanical seal is the industry standard for submersible pumps. Its robust, unbalanced design and conical spring ensure reliable operation in dirty water and sewage. Our high-quality burgmann mechanical seal replacement offers a perfect fit for your submersible pump mechanical seal needs.

The Burgmann HJ92N is a robust, single‑face, balanced Burgmann mechanical seal designed specifically for vertical turbine pump applications. It features a wave‑spring, O‑ring pusher design that is independent of rotation direction and fully isolated from the pumped fluid. Engineered to handle high‑pressure spikes, abrasive solids, and viscous media, the Burgmann HJ92N delivers reliable, leak‑free performance in demanding industrial environments.

The Burgmann M7N mechanical seal is a robust, single‑face, unbalanced Burgmann mechanical seal designed for a wide range of pump applications. It features a wave‑spring, O‑ring pusher design that is independent of rotation direction and fully isolated from the pumped fluid. Engineered to handle high‑pressure spikes, abrasive solids, and viscous media, the burgmann m7n mechanical seal delivers reliable, leak‑free performance in demanding industrial environments.

As a dedicated eagleburgmann mechanical seal manufacturer, MiaoYu Seals produces dry gas mechanical seals designed as direct replacements for EagleBurgmann seals in monoblock pumps. Engineered for reliability and efficiency, our eagleburgmann dry gas seals ensure zero leakage, reduced energy consumption, and extended equipment lifespan in demanding industrial applications.

The Burgmann MG12 mechanical seal is a robust, single-spring elastomer bellows seal designed for general-purpose industrial applications. As a direct replacement for the EagleBurgmann MG12 series, this seal features a unique extended bellows tail that ensures the fitting length complies with the EN 12756 standard when paired with a G6 or G60 seat.

The Burgmann MG1 mechanical seal represents the industry standard for elastomer bellows seals, designed for reliable performance in various industrial pumping applications. This face mechanical seal is engineered to maintain integrity even in challenging conditions where a consistent liquid film may be absent. Serving as a direct replacement for the original Burgmann MG1 mechanical seal, it utilizes a robust, flexible bellows to provide excellent sealing, making it the optimal choice for standard centrifugal pumps, mixers, and agitators where durability and cost-effectiveness are paramount.

Our company is specialized in the production of sealing materials, mechanical seals , cartridge seals.
E-mail: gechacha@aliyun.com
Mobile: +86-18758835650
WhatsApp: +86-18758835650
Add: No8-2, Jinsha road Yuelin Street, Fenghua District, Ningbo, Zhejiang