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Professional Mechanical Seal Manufacturer

YUANJIASEAL is one of the world leaders in the design, manufacture, and supply of reliability and environmentally focused products for rotating machinery. We specialize in mechanical seals and bearing seals with unmatched performance and durability.

Mechanical Seal Product

About YUANJIASEAL

A global leader in sealing technology

YUANJIASEAL Factory

YUANJIASEAL is a high-tech comprehensive sealing solution provider integrating R&D, production, sales, and after-sale service. With years of experience, we have established ourselves as one of the world leaders in mechanical seal manufacturing.

Our mission is to deliver safe, reliable, and environmentally responsible sealing solutions for rotating machinery across diverse industrial applications.

As a company, the majority of our business is in mechanical seals. We set new standards in reliability, performance, service, and cost-effectiveness.

Our Product Series

Safe and reliable sealing solutions for every application

YJ 560D Mechanical Seal

YJ 560D Mechanical Seal

For EBARA Pumps – Durable and high-performance seal with excellent wear resistance.

  • Replace: EBARA 560D
  • Materials: TC, Carbon, FKM
  • Application: Industrial Pumps
YJMG9S Mechanical Seal

YJMG9S Mechanical Seal

For ABS Pumps – Designed for high-pressure and corrosive environments.

  • Replace: ABS MG9S
  • Materials: SSiC, Carbon, EPDM
  • Application: Wastewater Treatment
YJ 491 Mechanical Seal

YJ 491 Mechanical Seal

Replacement for Pac-Seal 491 – Ideal for chemical and process industries.

  • Replace: Pac-Seal 491
  • Materials: YN8, Resin Carbon, FFKM
  • Application: Chemical Pumps
YJV Stationary Ring

YJV Stationary Ring

High-precision stationary ring for mechanical seals with superior thermal stability.

  • Material: Tungsten Carbide (TC)
  • Hardness: 1500-1800 HV
  • Application: High-Temp Pumps
YJP Stationary Ring

YJP Stationary Ring

Corrosion-resistant stationary ring ideal for aggressive media applications.

  • Material: Silicon Carbide (SSiC)
  • Max Temp: 500°C
  • Application: Acid Handling
YJ M74D Mechanical Seal

YJ M74D Mechanical Seal

Replacement for BURGMANN M74D – High reliability in demanding conditions.

  • Replace: BURGMANN M74D
  • Materials: TC, Metal Carbon, FKM
  • Application: Oil & Gas
YJ208U Mechanical Seal

YJ208U Mechanical Seal

Universal seal for general-purpose pumps with long service life.

  • Replace: Various OEM models
  • Materials: YG6, Resin Carbon, NBR
  • Application: Water Pumps
YJFS-Metal Mechanical Seal

YJFS-Metal Mechanical Seal

For FLYGT Pumps – Metal-bellows design for high-vibration environments.

  • Replace: AES Seals T05
  • Materials: SS316, TC, FFKM
  • Application: Submersible Pumps

Why Choose YUANJIASEAL?

We deliver unmatched value in mechanical sealing

Reliability & Performance

Our seals are engineered for long life, minimal downtime, and maximum efficiency in harsh industrial environments.

Cost-Effective Solutions

We offer high-quality alternatives to OEM seals at competitive prices, reducing your total cost of ownership.

Global Service & Support

With a strong commitment to service, we provide technical support, fast delivery, and responsive after-sales assistance.

Advanced Sealing Materials

Our mechanical seals are manufactured using premium materials to ensure performance under extreme conditions.

  • Carbon: Metal Carbon, Resin Carbon – for low friction and high wear resistance.
  • Tungsten Carbide: TC, YN6, YN8, YG6 – extreme hardness and thermal stability.
  • Rubber: FFKM, FKM (Viton), EPDM, NBR – chemical and temperature resistance.
  • Bushing Materials: SIC, SSiC – for high-pressure and abrasive environments.

Seal Types We Offer

Mechanical Seals for Pumps
Bearing Seals
FDA-Compliant Seals
OEM Replacements
Stationary Rings
Rotating Assemblies
15+
Years in Industry
100+
Global Clients
500+
Product Models
98%
Customer Satisfaction

Frequently Asked Questions

What types of pumps do your seals fit?

Our seals are compatible with Alfa Laval, EBARA, ABS, FLYGT, EMU, Gorman Rupp, NISSIN, and many other major pump brands.

Do you offer OEM replacement seals?

Yes, we manufacture direct replacements for BURGMANN, AESSEAL, FLOWSERVE, Pac-Seal, and other OEM models.

Are your seals FDA compliant?

Yes, we offer FDA-compliant mechanical seals such as the YJ962 model for food, beverage, and pharmaceutical applications.

What materials do you use in your seals?

We use Tungsten Carbide, Silicon Carbide, Carbon variants, and high-performance elastomers like FFKM, FKM, EPDM, and NBR.

Can you customize seals for specific applications?

Yes, we offer custom design and manufacturing services to meet unique operational requirements.

Get in Touch

For product inquiries, technical support, or custom solutions

Explore our full product catalog, download technical drawings, or reach out through the official site.

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