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Precision Mechanical Seals for Demanding Industries

Hanway Industries – Trusted China-based manufacturer of high-performance mechanical seals, bellows seals, and seal support systems for pumps, mixers, reactors, and cryogenic applications.

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Engineered for Reliability & Performance

Hanway Industries Co., Ltd. is a leading mechanical seal manufacturer based in Dandong, Liaoning, China. With over two decades of experience, we specialize in the design and production of high-quality mechanical seals and seal support systems for a wide range of industrial applications.

Our products are trusted by global clients in the petroleum, petrochemical, chemical, fertilizer, paper & pulp, pharmaceutical, textile, water treatment, power generation, and marine industries. We are committed to delivering innovative sealing solutions that enhance equipment efficiency and reduce downtime.

OEM & Custom Design

We manufacture based on customer drawings and specifications.

Global Export

Products shipped to over 50 countries worldwide.

Mechanical Seal Manufacturing Facility
20+
Years of Industry Experience

Our Product Range

From standard spring seals to advanced cryogenic bellows, our comprehensive product line ensures optimal sealing performance across diverse industrial environments.

HW606 High Temperature Rotating Bellows Seal

HW606 High Temp Bellows Seal

Designed for extreme heat applications with welded metal bellows for superior thermal stability.

  • • Material: Hastelloy C / AM350
  • • Temp Range: Up to 450°C
  • • Application: High-temp pumps
HW680 Low Temperature Rotating Bellows Seal

HW680 Low Temp Bellows Seal

Optimized for cryogenic and sub-zero environments with enhanced flexibility.

  • • Material: Inconel 718
  • • Temp Range: Down to -196°C
  • • Application: LNG, cryo pumps
HWZH-2 Cryogenic ACD Pump Bellows Seal

HWZH-2 Cryogenic ACD Seal

Specialized seal for ACD-type cryogenic pumps with 45° wave profile bellows.

  • • Bellows: Hastelloy C
  • • Standard: International
  • • OEM: Available
HW80T High Temperature Rotating Bellows Seal

HW80T High Temp Seal

Robust rotating bellows seal for continuous high-temperature operation.

  • • Design: Rotating bellows
  • • Max Temp: 400°C
  • • Seal Face: Tungsten carbide
HWG1 Unbalanced Elastomer Bellows Seal

HWG1 Elastomer Bellows Seal

Cost-effective solution for general-purpose pumps with elastomer flexibility.

  • • Type: Unbalanced
  • • Material: EPDM / FPM
  • • Pressure: Up to 1.5 MPa
HWZH-3 Cryogenic Cryostar Pump Bellows Seal

HWZH-3 Cryostar Seal

Precision-engineered for Cryostar pump models with cryogenic compatibility.

  • • Application: Cryostar pumps
  • • Temp: -190°C
  • • Bellows: Inconel 718
HW800 Dry Running Bellows Cartridge Seal

HW800 Dry Running Cartridge

Cartridge seal designed for dry-start and low-lubrication conditions.

  • • Type: Cartridge
  • • Feature: Dry run capable
  • • Installation: Easy setup
HW7 Single Unbalanced Wave Spring Seal

HW7 Wave Spring Seal

Compact spring mechanical seal with wave spring for consistent face loading.

  • • Type: Spring mechanical
  • • Design: Unbalanced
  • • Use: General industrial
View Full Product Catalog

Why Choose Hanway Industries?

We combine advanced engineering, strict quality control, and global support to deliver sealing solutions you can trust.

Precision Engineering

Our welded metal bellows feature a 45° wave profile to international standards, ensuring optimal flexibility and fatigue resistance in extreme conditions.

OEM & Custom Solutions

We accept custom designs and drawings to manufacture mechanical seals tailored to your specific pump models and operating conditions.

Global Export Ready

With established export channels, we deliver high-quality mechanical seals and spare parts to customers in over 50 countries.

Comprehensive Technical Support

We don't just sell seals — we provide complete sealing solutions. Our technical team offers expert guidance from selection to troubleshooting.

Installation Manuals

Step-by-step guides for proper mechanical seal installation.

Seal Failure Analysis

Diagnose and resolve common mechanical seal failure issues.

Technical Knowledge Base

Access resources on seal materials, configurations, and best practices.

Technical Support and Seal Installation

Get in Touch

Contact our sales team for product inquiries, technical support, or OEM collaboration.

Key Contact

Vivian

Company

Hanway Industries Co., Ltd.

Address

No.298-1 Jinshan Street, Dandong, Liaoning, China

Zip: 118002

Phone

86-415-3178089

Email

sales@allchinaseal.com

Website

www.allchinaseal.com

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