Mechanical Seals | Flygt, GLF, Lowara, John Crane

About WM-Seals

Xingtai Wanmai Machinery Sealing Co., Ltd. is a professional manufacturer and exporter of mechanical seals with over 20 years of experience. We specialize in high-performance sealing solutions for industrial pumps and rotating equipment.

Our factory is equipped with advanced testing facilities and a strong technical team, ensuring every seal meets strict quality standards. With more than 90 product series, we offer compatibility with leading brands including Flygt, Grundfos, Lowara, and John Crane.

20+

Years Experience

90+

Product Series

Global

Export Reach

Our Product Range

Comprehensive selection of mechanical seals, oil seals, capacitors, and TC bushes designed for reliability and performance in demanding industrial environments.

WM-551B Mechanical Seal

Heavy-duty seal for industrial pumps. Compatible with Flygt, robust design for high-pressure applications.

Weight Series

Flange Mechanical Seal

Direct replacement for Grundfos and other major brands. Precision-engineered for leak-free performance.

Grundfos Compatible

Flygt Pump Seal (FAU/FAL)

High-performance seal for Flygt submersible pumps. Resistant to abrasion and chemical corrosion.

Flygt Series

GLF Pump Mechanical Seal

Designed for GLF series pumps. Excellent thermal stability and long service life under continuous operation.

Hot Product

Lowara Mechanical Seals

Precision seals for Lowara pump systems. Ensures minimal leakage and maximum efficiency.

Lowara Series

Oil Seals

High-quality rubber and PTFE oil seals for various shaft diameters and operating conditions.

Universal Fit

Capacitors (CBB60, CBB61)

Reliable start and run capacitors for pump motors. Stable performance under high temperature.

Electrical Components

TC Bushes

Precision-machined TC bushes for mechanical seal assemblies. Ensures proper alignment and fit.

Accessories

Light Mechanical Seals (301, 103, 104)

Compact design for light-duty pumps. Cost-effective solution for low-pressure applications.

Light Series

Weight Mechanical Seals (120, 224U)

Heavy-duty construction for demanding industrial environments. High resistance to wear and corrosion.

Heavy Duty

M7N, WB2, GB103, GB104

Specialized mechanical seals for specific pump models. Exact replacements with guaranteed fit.

Model Specific

Capacitor Core & Components

High-purity materials for capacitor manufacturing. Consistent electrical performance and longevity.

Core Materials

View Full Catalog

Why Choose WM-Seals?

We combine decades of expertise with cutting-edge manufacturing to deliver sealing solutions you can trust.

Premium Quality

Every mechanical seal undergoes rigorous testing to ensure durability, leak resistance, and long service life in demanding conditions.

Factory Direct Sales

Eliminate middlemen and enjoy competitive pricing without compromising on quality or service.

Global Export Experience

Trusted by customers worldwide with reliable packaging and efficient international shipping.

Frequently Asked Questions

Are your mechanical seals compatible with Flygt pumps?

Yes, we manufacture direct replacement mechanical seals for Flygt pumps including models FAU/FAL, FBU, FEU, and more. Our seals are engineered to meet or exceed original specifications.

Do you offer custom mechanical seal solutions?

Absolutely. With over 20 years of experience, we can develop custom sealing solutions based on your drawings, samples, or performance requirements.

What materials are used in your mechanical seals?

We use high-quality materials including silicon carbide, tungsten carbide, carbon, nitrile rubber, EPDM, Viton, and stainless steel, depending on the application requirements.

What is your minimum order quantity (MOQ)?

We are flexible with order sizes. While we welcome bulk orders, we also support sample and small quantity orders for testing and evaluation.

How do you ensure quality control?

Our factory has comprehensive quality control procedures including material inspection, in-process checks, and 100% pressure testing of finished mechanical seals.

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