Hengmi Seal | High-Performance Mechanical Seals Manufacturer

About Hengmi Seal

Anhui Hengda Mechanical Seal Manufacturing Co. Ltd. is a leading Chinese manufacturer specializing in high-quality mechanical seals for a wide range of industrial applications. With over 40 product series and approximately 1,000 different sizes, our seals are engineered to meet the demanding requirements of water pumps, industrial pumps, chemical pumps, and automotive systems.

Our mechanical seals serve as reliable, cost-effective replacements for well-known international brands such as Grundfos, Flygt, KSB, Alfa Laval, Flowserve, and Chesterton. We combine precision engineering with rigorous quality control to deliver durable sealing solutions that enhance equipment performance and reduce downtime.

Based in Fuyang City, Anhui Province, China, Hengmi Seal is committed to innovation, quality, and customer satisfaction. Our products are trusted by clients across Asia, Europe, Africa, and the Americas.

Learn More on Official Site

Our Product Range

Comprehensive selection of mechanical seals designed for reliability, durability, and compatibility with major pump brands and industrial systems.

Cartridge Mechanical Seals

Pre-assembled, easy-to-install seals for pumps. Eliminate installation errors and reduce downtime. Suitable for chemical, water, and industrial applications.

Self-contained design
No field measurement required
Reduces maintenance time

Double Mechanical Seals

Dual-seal configuration for hazardous, toxic, or high-pressure environments. Includes buffer or barrier fluid system for enhanced safety.

For volatile or dangerous fluids
Reduces environmental risk
Meets API 682 standards

Metal Bellow Mechanical Seals

Ideal for cryogenic, high-temperature, or corrosive applications. No elastomers in fluid path. Excellent thermal stability.

No O-rings in process fluid
Resists thermal cycling
Used in chemical processing

Grundfos Pump Mechanical Seals

Direct replacement seals for Grundfos pump models. High reliability and long service life. Compatible with CR, CRE, NB, and other series.

OEM-equivalent performance
Cost-effective alternative
Quick delivery available

KSB Pump Mechanical Seals

Precision-engineered seals for KSB Mega, Etanorm, and Movitec pumps. Designed to withstand abrasive and corrosive media.

High wear resistance
Corrosion-resistant materials
Extended MTBF

Flowserve Replacement Seals

Compatible with Flowserve John Crane Series 100, 200, and 300. High-performance sealing for oil & gas, power, and chemical industries.

API 682 compliant options
Carbon/SiC faces standard
Global technical support

Slurry Pump Seals

Heavy-duty seals for abrasive slurries in mining, mineral processing, and wastewater. Features hard-faced materials and robust design.

Tungsten carbide faces
Anti-settling design
Extended service intervals

Auto Cooling Pump Seal

Designed for automotive coolant pumps. Resistant to glycol-based coolants and high thermal cycling. Ensures engine reliability.

High-temperature resistance
Low friction design
Long operational life

View All 40+ Product Series

Why Choose Hengmi Seal?

We deliver high-performance mechanical sealing solutions with unmatched value, quality, and global support.

Cost-Effective

High-quality alternatives to premium brands at significantly lower prices without compromising performance.

Wide Compatibility

Seals designed to replace Flowserve, Grundfos, KSB, Alfa Laval, Chesterton, and many other international brands.

Industrial Grade

Engineered for water, chemical, slurry, desulfurization, and agitator pump applications across diverse industries.

Global Reach

Trusted by customers in over 50 countries. Fast shipping and responsive multilingual support.

Frequently Asked Questions

Are Hengmi seals direct replacements for Grundfos, KSB, or Flowserve?

Yes. Hengmi manufactures mechanical seals specifically designed as direct replacements for major brands including Grundfos, KSB, Flygt, Alfa Laval, Flowserve, Chesterton, and many others. Our seals match OEM dimensions and performance specifications.

What materials are used in your mechanical seals?

We offer a wide range of standard seat and seal materials including silicon carbide (SiC), tungsten carbide (TC), carbon, and various elastomers (NBR, EPDM, Viton). Custom material combinations are available for specific applications.

Do you offer OEM/ODM services?

Yes. We welcome OEM and ODM collaborations. Our engineering team can customize seals based on your drawings, samples, or performance requirements.

What is your minimum order quantity (MOQ)?

We are flexible with MOQ. Sample orders and small batches are accepted. Contact us for specific product pricing and volume discounts.

How can I get technical support or a quote?

Please visit the official website for technical inquiries and quotations.

Get in Touch

For inquiries about our mechanical seals, replacements, or custom solutions, please contact us through the official website.

Company: Anhui Hengda Mechanical Seal Manufacturing Co. Ltd.
Address: 3# Linquan Industrial Zone, Fuyang City, Anhui Province, China

Phone: +86-558-6176371
Mobile/WhatsApp: +86 133 3699 6315
Email: trade@meseal.com, hengmi@meseal.com

We respond to all inquiries within 24 hours.

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