Precision Engineering Since 2001

Industrial
Mechanical
Seals

Premium sealing solutions for chemical reactors, pumps, and agitators. Engineered for extreme conditions with zero leakage tolerance.

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ISO 9001 Certified
High Pressure Rated
Jiangsu Quality Award
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Our Impact

Numbers That Speak

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Product Models

Comprehensive range for every application

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Years of Excellence

Since 2001, delivering precision sealing solutions

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Product Categories

Specialized solutions for every need

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Countries Served

Global reach with local expertise

Product Portfolio

Engineered for Excellence

32 product models across 7 categories. Click any product to view detailed specifications with real product photos.

Type 212 Mechanical Seal
Type 212

Type 212 Reactor Mechanical Seal

Type 212 Mechanical Seal

0-0.5MPa
-20°C~180°C
≤2m/s
HZT212.A(B) Mechanical Seal
HZT212.A(B)

HZT212.A(B) Pollution-Free Mechanical Seal

Type HZT212.A(B) Mechanical Seal

0-0.5MPa
-20°C~180°C
≤2m/s
HMB212.C Mechanical Seal
HMB212.C

HMB212.C Dry-Running Mechanical Seal

Type HMB212.C Mechanical Seal

0-0.5MPa
-20°C~180°C
≤2m/s
F212 Mechanical Seal
F212

Type F212 Reactor Mechanical Seal

Type F212 Mechanical Seal

0-0.8MPa
-20°C~180°C
≤2m/s
221/222 Mechanical Seal
221/222

Type 221/222 Mechanical Seal

Type 221, 222 Mechanical Seal

0-1.6MPa
-40°C~250°C
≤2m/s
2009-2012 Mechanical Seal
2009-2012

Type 2009-2012 Reactor Mechanical Seal

Type 2009-2012 Mechanical Seal

-0.1-1.6MPa
-20°C~350°C
≤2m/s
M266 Mechanical Seal
M266

M266 Pollution-Free Reactor Mechanical Seal

Type M266 Mechanical Seal

-0.1-1.6MPa
-20°C~350°C
≤2m/s
2001-2005 Mechanical Seal
2001-2005

Type 2001-2005 Reactor Mechanical Seal

Type 2001-2005 Mechanical Seal

-0.1-1.6MPa
-20°C~350°C
≤2m/s
205-207 Mechanical Seal
205-207

Type 205-207 Reactor Mechanical Seal

Type 205-207 Mechanical Seal

-0.1-2.5MPa
-20°C~350°C
≤2m/s
207.B Mechanical Seal
207.B

Type 207.B Reactor Mechanical Seal

Type 207.B Mechanical Seal

-0.1-4.0MPa
-20°C~350°C
≤2m/s
M261 Mechanical Seal
M261

Type M261 Reactor Mechanical Seal

Type M261 Mechanical Seal

-0.1-1.6MPa
-20°C~180°C
≤2m/s
M262 Mechanical Seal
M262

Type M262 High-Speed Reactor Seal

Type M262 High-Speed Seal

-0.1-0.6MPa
-20°C~350°C
≤10m/s
M265 Mechanical Seal
M265

Type M265 Reactor Mechanical Seal

Type M265 Mechanical Seal

-0.1-0.8MPa
-20°C~500°C
≤2m/s
HMB6.4 Mechanical Seal
HMB6.4(10.0)

Type HMB6.4(10.0) Reactor Mechanical Seal

Type HMB6.4(10.0) Mechanical Seal

-0.1-10MPa
-20°C~350°C
≤2m/s
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Industries We Serve

Trusted Across Industries

Our sealing solutions power critical processes in the world's most demanding industries.

Chemical Processing

Resistant to acids, alkalis, and organic solvents. Our seals handle aggressive media including HCl, H₂SO₄, and chlorine compounds with zero leakage.

500+ installations Learn more

Petrochemical

High-temperature and high-pressure operation capabilities. Designed for refinery processes, cracking units, and polymerization reactors.

350°C rated Learn more

Pharmaceutical

FDA-compliant materials and sterile processing designs. CIP/SIP compatible seals for bioreactors and API manufacturing.

FDA compliant Learn more

Food & Beverage

Hygienic design with easy cleaning features. 3A sanitary standards compliance for dairy, brewing, and food processing applications.

3A certified Learn more

Power Generation

Reliable performance under extreme thermal cycling. Steam turbine seals, boiler feed pumps, and cooling water systems.

10MW+ systems Learn more

Water Treatment

Corrosion-resistant designs for desalination, wastewater, and purification systems. Extended service life in harsh water chemistries.

99.8% uptime Learn more
Our Capabilities

Technology & Innovation

Advanced engineering capabilities backed by decades of research and development in mechanical sealing technology.

Precision Manufacturing

CNC machining with ±0.005mm tolerance. Surface roughness Ra 0.2μm for optimal seal face contact.

5-Axis CNC Machining
Surface Grinding
Lapping & Polishing
EDM Processing

Material Science

Advanced material selection including SiC, WC, carbon graphite, and ceramic composites for extreme conditions.

Silicon Carbide (SiC)
Tungsten Carbide (WC)
Carbon Graphite
Alumina Ceramic

Smart Design

Finite Element Analysis (FEA) optimized designs. CFD simulation for thermal and flow characteristics.

FEA Stress Analysis
CFD Thermal Modeling
Seal Face Optimization
Spring Force Calculation

Quality Assurance

100% inspection with coordinate measuring machines. Pressure testing to 1.5x rated capacity.

CMM Inspection
Pressure Testing
Leak Detection
Surface Profilometry

Our Journey

2001

Company Founded

Established in Kunshan, Jiangsu Province

2005

ISO Certification

Achieved ISO 9001 quality management certification

2010

Product Expansion

Launched M26X series for high-temperature applications

2015

Export Growth

Expanded to 30+ countries across Asia, Europe, and Americas

2020

Innovation Award

Received Jiangsu Province Quality Product recognition

2024

Global Leader

32+ product models serving 50+ countries worldwide

Certifications & Standards

National Industrial Product Production License
Jiangsu Province Quality Product Award
ISO 9001:2015 Quality Management
National Mechanical Seal Association Member
Get In Touch

Let's Connect

Ready to solve your sealing challenges? Our engineering team is standing by to provide custom solutions for your specific application requirements.

HUIBANG SEALPIECE

Kunshan Huibang Sealpiece Co., Ltd.

A design, production, and sales specialty factory for mechanical seals. Serving chemical engineering, petroleum, pharmaceutical, agrochemical, metallurgy, and dyeing industries with high-quality reactor and pump seals.

Address

No.169, Huanqiu Road, Jinmao Industrial Park

Changjiang Road, Kunshan City, Jiangsu Province, China

Phone

+1 5754058902

WhatsApp

+1 5754058902

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