In modern industrial piping systems, sealing reliability directly affects operational safety, production efficiency, and maintenance costs. From refinery pipelines to offshore platforms and chemical plants, high-quality gasket solutions are essential for preventing leakage under high pressure and extreme temperatures.

Haihao Group is a professional supplier of industrial spiral wound gaskets for flange sealing applications, providing customers worldwide with durable and cost-effective sealing products for demanding industries.

With extensive manufacturing experience and strict quality management, Haihao Group supplies a complete range of industrial gaskets in various materials, structures, and international standards to meet the requirements of global engineering projects.

Complete Range of Industrial Gaskets Manufactured by Haihao Group

Haihao Group can manufacture multiple gasket types for different pressure classes, flange systems, and operating conditions.

SS316 spiral wound gaskets with inner and outer rings manufactured by Haihao Group

Spiral Wound Gaskets

The most popular product in industrial pipeline projects is the spiral wound gasket for high temperature and pressure service.

Structure

Spiral wound gaskets are manufactured with:

• Metal winding strip
• Soft filler material
• Inner ring and outer ring options

Available Materials

Metal Materials

• SS304
• SS304L
• SS316
• SS316L
• SS321
• Carbon Steel
• Monel
• Inconel
• Duplex Stainless Steel

Filler Materials

• Flexible Graphite
• PTFE
• Ceramic Fiber
• Non-Asbestos Material

Advantages

• Excellent sealing stability
• High temperature resistance
• Strong pressure-bearing capacity
• Good resilience and recovery

Applications

• Petrochemical plants
• Steam pipelines
• LNG systems
• Offshore oil platforms
• Refinery piping systems

Haihao Group can supply spiral wound gaskets for ASME Class 150 to Class 2500 flange connections.

Ring type joint gasket RTJ gasket

Ring Type Joint (RTJ) Gaskets

Haihao Group also manufactures API ring type joint gaskets for high pressure flange systems.

RTJ Gasket Types

• Oval Ring Joint Gaskets
• Octagonal Ring Joint Gaskets
• RX Type RTJ Gaskets
• BX Type RTJ Gaskets

Common Standards

• API 6A
• ASME B16.20

Material Grades

• Soft Iron
• SS304
• SS316
• F5 Alloy Steel
• Inconel
• Duplex Stainless Steel

RTJ gaskets are widely used in:

• Oil drilling equipment
• High-pressure valves
• Subsea pipeline systems
• Wellhead equipment

Their metal-to-metal sealing performance makes them ideal for critical high-pressure environments.

Asbestos rubber gaskets

Non-Metallic Gaskets

Haihao Group provides various non-metallic flange gaskets for chemical and water systems.

Product Types

• Rubber Gaskets
• PTFE Gaskets
• CNAF Gaskets
• Graphite Sheet Gaskets
• Compressed Fiber Gaskets

Features

• Excellent chemical resistance
• Flexible sealing capability
• Suitable for low and medium pressure systems
• Cost-effective solution

These products are commonly used in:

• Water treatment plants
• Food processing systems
• HVAC pipelines
• Chemical transportation lines

Metal Jacketed and Corrugated Metal Gaskets

For heat exchangers and high-temperature equipment, Haihao Group can also manufacture:

• Metal Jacketed Gaskets
• Corrugated Metal Gaskets
• Heat Exchanger Gaskets

These gasket products provide:

• High mechanical strength
• Improved sealing reliability
• Resistance to thermal cycling

International Standards Supported by Haihao Group

Haihao Group can manufacture industrial gaskets according to various international specifications.

Supported Standards

• ASME B16.20
• ASME B16.21
• API 6A
• DIN Standards
• EN Standards
• JIS Standards
• BS Standards
• GOST Standards

Customized dimensions and special drawings are also available for project requirements.

Industrial Gasket Materials Available

Material selection plays a critical role in gasket sealing performance.

Haihao Group can supply gasket products in:

Our engineering team can recommend suitable gasket materials based on operating temperature, pressure, and media conditions.

Why Choose Haihao Group as Your Gasket Supplier

Haihao Group focuses on both product quality and project service efficiency.

Our Advantages

Strict Quality Control

Every gasket undergoes:

• Dimensional inspection
• Surface inspection
• Material verification
• Pressure sealing verification

Custom Manufacturing Capability

We can manufacture:

• Non-standard sizes
• Special material combinations
• Custom flange compatibility products

Rich Export Experience

Haihao Group supplies industrial gasket products to:

• Southeast Asia
• Middle East
• Europe
• South America
• Africa

One-Stop Pipeline Supply

Besides gaskets, we also provide:

• Pipe fittings
• Flanges
• Steel pipes
• Fasteners
• Forged fittings

This helps customers simplify procurement and improve project efficiency.

Industrial Applications of Haihao Group Gaskets

Our gasket sealing products are widely used in:

• Oil & gas transmission pipelines
• Petrochemical facilities
• LNG projects
• Thermal power plants
• Offshore engineering
• Shipbuilding industry
• Chemical processing systems
• Water treatment plants

Reliable sealing performance is essential for reducing leakage risks and ensuring safe industrial operation.

Contact Haihao Group for Industrial Gasket Solutions

If you are searching for a trusted manufacturer of industrial spiral wound gaskets for flange sealing applications, Haihao Group can provide professional technical support, competitive pricing, and stable delivery schedules.

Our team welcomes inquiries for standard and customized gasket solutions for industrial projects worldwide.

FAQ

What is the most common gasket used in industrial pipelines?

Spiral wound gaskets are among the most commonly used gasket types because they offer excellent sealing performance under high pressure and high temperature.

What standards are used for industrial gaskets?

Industrial gaskets are commonly manufactured according to ASME B16.20, ASME B16.21, API 6A, DIN, EN, and JIS standards.

What materials are used in spiral wound gaskets?

Common materials include stainless steel 304/316, graphite filler, PTFE filler, carbon steel, and alloy metals such as Inconel.

What is the difference between RTJ gaskets and spiral wound gaskets?

RTJ gaskets use metal-to-metal sealing for extremely high-pressure systems, while spiral wound gaskets combine metal and soft filler materials for broader industrial applications.

Can Haihao Group produce customized gasket products?

Yes. Haihao Group can manufacture customized gasket sizes, materials, pressure classes, and sealing structures according to customer drawings and technical requirements.