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Leading Fluid Seal Designer & Manufacturer

Premium machined mechanical seals, pump seals, dry gas seals, and sealing solutions engineered for durability, performance, and leak resistance in industrial and chemical applications.

Explore Our Products

About Trisun Ltd

TRISUN is an advanced fluid seal designer and manufacturer based in Shanghai, specializing in high-performance sealing solutions for industrial, chemical, and mechanical applications.

With a focus on precision engineering and material excellence, we deliver reliable replacements for leading global brands such as AESSEAL, BURGMANN, FLOWSERVE, Grundfos, APV, and more.

Our products are trusted for their durability, leak resistance, and ease of installation across a wide range of pump and fluid systems.

15+
Years Experience
50+
Global Clients
200+
Products
Trisun Manufacturing Facility

Our Products

High-precision mechanical seals and sealing components designed for industrial pumps, mixers, agitators, and fluid systems.

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TS MG1 Machined Mechanical Seal

Replacement for AESSEAL B02, BURGMANN MG1, FLOWSERVE 190, MTU FG1. Ideal for Hecker HN 410SU pumps.

  • • High durability & leak resistance
  • • Stationary seat design
  • • Easy installation
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TS MG12 Machined Mechanical Seal

Replacement for AESSEAL B012, BURGMANN MG12, FLOWSERVE 192, MTU FG2. For Hecker HN 410KU.

  • • Precision-machined components
  • • Corrosion-resistant materials
  • • Industrial-grade performance
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TS MG13 Machined Mechanical Seal

Replacement for AESSEAL B013, BURGMANN MG13, FLOWSERVE 193, MTU FG3. For Hecker HN 41ONU.

  • • Dual spring design
  • • High-pressure tolerance
  • • Long service life
Pump Seal

TS G3 (for GRUNDFOS-PUMP)

High-efficiency mechanical seal designed specifically for Grundfos pump systems.

  • • OEM-compatible design
  • • Thermal stability
  • • Low friction operation
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TS T2 Single-Spring Mechanical Seal

Replacement for AESSEAL P04U, Crane 2 (US), FLOWSERVE 52.

  • • Single spring for consistent pressure
  • • Balanced design
  • • Suitable for abrasive fluids
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TS T1 Machined Mechanical Seal

Precision-engineered seal for general industrial pump applications.

  • • Compact design
  • • High wear resistance
  • • Low maintenance
Pump Seal

TS CR (for GRUNDFOS-PUMP)

Durable mechanical seal for Grundfos CR series pumps.

  • • Corrosion-resistant materials
  • • High flow compatibility
  • • Long operational life
Dry Gas Seal

Dry Gas Seal

Non-contacting seal technology for high-speed rotating equipment.

  • • Zero leakage design
  • • Low power consumption
  • • Ideal for compressors
Metal Bellows Seal

Metal Bellows Seal

High-temperature, high-pressure seal with flexible metal bellows.

  • • No O-rings required
  • • Excellent thermal compensation
  • • Vibration resistant
Mixer Seal

Mixer and Agitator Seal

Sealing solutions for chemical reactors, mixers, and agitators.

  • • Dual or single seal options
  • • Corrosion and abrasion resistant
  • • Customizable configurations
Cartridge Seal

Single & Dual Cartridge Seal

Pre-assembled cartridge seals for quick installation and maintenance.

  • • Minimizes downtime
  • • Factory preset face load
  • • Leak-free performance
Expansion Valve

A/C Control & Expansion Valve

Precision valves for refrigeration and air conditioning systems.

  • • Accurate flow control
  • • High reliability
  • • Energy efficient
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Why Choose Trisun?

We combine precision engineering, quality materials, and global compliance to deliver sealing solutions you can trust.

Certified Quality

Our products meet international standards including ISO 9001, IATF 16949, WRAS, EU 1935, RoHS, and FDA compliance.

High Performance

Engineered for durability, leak resistance, and long service life in demanding industrial environments.

Global Support

We support customization, samples, wholesale orders, and direct sales with fast response times.

Our Certifications

Committed to quality, safety, and environmental standards.

IATF 16949 ISO 9001 WRAS EU 1935 RoHS FDA

Frequently Asked Questions

What types of mechanical seals do you manufacture?

We produce machined mechanical seals, cartridge seals, dry gas seals, metal bellows seals, mixer seals, and OEM replacements for Grundfos, APV, FAMOUS, FLYGT, and more.

Do you offer custom sealing solutions?

Yes, we support customization, sample orders, and OEM/ODM services. Contact us with your specifications.

Are your products certified?

Yes, our manufacturing complies with ISO 9001, IATF 16949, WRAS, EU 1935, RoHS, and FDA standards.

What is the lead time for orders?

Standard products ship within 5–7 business days. Custom orders vary based on complexity. Contact us for details.

Get in Touch

For product inquiries, customization, or technical support, visit our official website.

Visit Official Website

Tel: 0086-21-58355541

Email: trisun24@trisunltd.com

Fax: 0086-21-58353141

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