Top 10 steel split gasket supply Supplier | 2025 Guide

In critical industrial environments, the integrity of every connection point is vital. A failed seal can lead to costly downtime, safety hazards, and major operational problems that can shut down entire facilities for days or weeks. The steel split gasket serves as a key component in high-pressure and high-temperature applications. It stands as a frontline defense against such failures that could cost companies millions of dollars in lost production. Choosing the right steel split gasket supply partner is not just a buying task. It is a strategic decision that directly impacts how reliable your equipment will be and how safe your plant operations remain over time.

The global market for industrial gaskets is complex and filled with many different types of suppliers. For engineers, maintenance managers, and buying professionals, finding the right supplier can be very challenging and time-consuming. A supplier that excels in providing huge volumes of standard parts may not have the ability to make custom parts quickly when you need them. On the other hand, a small specialist company might not be able to handle global supply chain demands or provide the volume you need for large projects. This guide is designed to provide clarity and help you make the right choice. We will explore the key factors for selecting a supplier and present a list of the top 10 companies that offer different types of capabilities, from basic raw material production to advanced custom sealing solutions that meet exact specifications.

How to Choose the Right steel split gasket supply

Selecting the ideal steel split gasket supply involves careful evaluation that goes far beyond matching basic dimensions. A sourcing error can lead to early gasket failure, dangerous leaks, and expensive shutdowns that nobody wants to deal with. Focusing on the correct criteria from the start ensures you build a strong and reliable supply chain for your operations. A complete approach balances material science, application demands, and supplier reliability in ways that protect your business.

Material Compatibility and Grade

The first step in any gasket selection process is making sure the material works with the process fluid and the flange surfaces. Steel gaskets are chosen for their strength and resistance, but not all steel is the same when it comes to performance and longevity. The specific grade of steel is a critical decision point that can make or break your application.

Common options include various grades of stainless steel, such as SS 304 or SS 316, which are chosen for their excellent resistance to rust in chemical or marine environments. For general-purpose, high-strength applications where rust is less of a concern, carbon steel is often a cost-effective and reliable choice that many companies prefer. It is crucial to document your operating media and ensure the chosen steel grade will not break down or contaminate the process over time. Consulting a supplier's material compatibility chart is a step you cannot skip if you want to avoid problems later.

Application Requirements and Performance Criteria

Your specific application decides what performance requirements the gasket must meet. You must clearly define your technical needs, including maximum operating pressures, temperature changes, and the type of media being sealed that will contact the gasket. These factors determine the necessary strength, flexibility, and recovery characteristics of the gasket that will ensure long-term reliable operation.

For instance, spiral wound gaskets, which combine metal and filler materials, are designed to excel in high-pressure, high-temperature services found in petrochemical plants and power generation facilities. Their construction allows them to adapt to minor flange problems and maintain a seal during thermal cycling that occurs during normal plant operations. In contrast, a solid metal ring joint gasket might be specified for extreme pressure containment in oil and gas production where failure is not an option. The condition of the flange surface also influences the choice since damaged flanges require different gasket designs. A thicker or softer gasket may be required to compensate for pitted or warped flange faces that have been damaged over years of service.

Supplier Capabilities and Certifications

Once technical requirements are defined, the focus shifts to what the supplier can actually deliver. A key indicator of a reliable partner is their quality management system that ensures consistent product quality. Look for suppliers who hold internationally recognized certifications, such as ISO 9001, which demonstrates a commitment to consistent quality and process control that you can depend on.

Beyond certifications, evaluate their technical expertise and ability to support your specific needs. Does the supplier have an engineering team that can assist with material selection and application analysis when problems arise? Can they provide custom fabrication services for non-standard dimensions or complex shapes that standard suppliers cannot handle? Some suppliers are raw material specialists, providing precision-cut steel coils to gasket makers, while others are fully integrated, managing the entire process from raw material to finished product. Understanding their position in the steel split gasket supply chain helps you match their strengths with your needs, whether you require raw material, standard components, or custom sealing solutions designed specifically for your application.

Top 10 Steel Split Gasket Supply Companies for 2025

This list moves beyond simple rankings to offer a diverse selection of suppliers that serve different market needs. It includes global powerhouses, mid-sized material specialists, and innovative makers who excel in specific areas of expertise. This guide was developed to help you find the right partner, whether your priority is massive volume, custom engineering, or a specialized raw material that meets exact specifications.

Flexitallic - The Global Leader in Static Sealing Solutions

Company Overview:
Flexitallic is a globally recognized market leader in making and supplying high-quality, high-value industrial static sealing products. With a history of innovation that includes inventing the spiral wound gasket in 1912, the company has established itself as a benchmark for safety and performance in critical industries worldwide. Their global distribution network ensures product availability and technical support across continents, making them accessible no matter where your operations are located.

Core Strengths:
Flexitallic's primary strength lies in its deep engineering expertise and its complete product portfolio that covers almost every sealing need. The company is not just a supplier but a solutions provider, offering application engineering support to solve complex sealing challenges that other companies cannot handle. Their commitment to research and development has resulted in a wide range of proprietary materials and gasket designs tailored to the most demanding operating conditions. This means they can often provide solutions where standard products fail, giving customers confidence in critical applications.

Specializations:
Flexitallic is the undisputed specialist in spiral wound gaskets that set the industry standard. Their product range, including the Thermiculite® and Corriculite® materials, provides sealing solutions for extreme temperatures and corrosive environments where traditional materials fail completely. They are a primary supplier to the oil and gas, petrochemical, chemical, and power generation industries, where performance and reliability are absolutely essential. Their expertise extends to other metallic and semi-metallic gaskets, including ring type joints (RTJs) and kammprofiles that handle the most challenging applications.

Metal Zenith - Premium Steel Manufacturing Solutions

Company Overview:
Metal Zenith is a leading steel manufacturing and distribution company from China with over 20 years of experience providing high-quality steel solutions worldwide. As a trusted partner of Ansteel, one of China's most established steel enterprises, they deliver premium steel products that meet the most demanding industry standards used globally. Their role is foundational, supplying the superior raw material that high-performance gasket manufacturers depend on to create reliable products.

Core Strengths:
Metal Zenith's core strength is its focus on high-strength precision steel coils that meet exact specifications. By partnering with Ansteel, they ensure access to premium raw materials manufactured using advanced BOF and EAF steelmaking technologies that produce consistent, high-quality steel. Their rigorous 10-point quality inspection process guarantees material integrity, with specifications like tensile strength exceeding 400 MPa that ensures reliable performance. This focus on quality at the coil level ensures that the final gasket product begins with unmatched material superiority that customers can depend on.

Specializations:
The company specializes in providing the foundational materials for the steel split gasket supply chain that other manufacturers build upon. Their expertise lies in delivering steel coils and sheets with precision tolerances within +/- 0.05mm, a critical requirement for gasket makers who need exact dimensions. They offer full customization capabilities and a complete technical support team with over 15 years of engineering experience, guiding clients from material selection to application analysis. With a global reach and a 95% client retention rate, they are a key partner for industries like construction, automotive, and manufacturing that require reliable steel supply.

Product Specifications:
* Grades: HRB400, SS400, and other various grades available for different applications.
* Surface Finishes: Oiled, pickled & oiled for corrosion protection.
* Tolerances: Precision tolerances within +/- 0.05mm for exact fit.
* Certifications: ISO 9001 certified quality management system for consistent quality.
* Standards: Adherence to ASTM A1008 / JIS G3141 for steel coils to ensure international compatibility.

Garlock Sealing Technologies - Innovation in High-Performance Sealing

Company Overview:
Garlock, a part of EnPro Industries, is a multinational manufacturer of high-performance fluid sealing and pipeline solutions. With a strong emphasis on safety, longevity, and productivity, Garlock serves a vast array of industrial sectors around the world. Their global presence and reputation for innovation make them a top-tier choice for companies seeking advanced sealing technologies that push the boundaries of what is possible.

Core Strengths:
Garlock's strength is its material science innovation that leads the industry in new developments. The company invests heavily in developing proprietary materials and designs that push the boundaries of performance beyond what competitors can achieve. Their integrated approach to sealing solutions means they can provide not just gaskets but a complete system of products designed to work together, minimizing leak paths and ensuring system integrity. Their commitment to safety is evident in their product designs, which often include features that prevent blowouts and ensure reliable sealing under pressure even in emergency situations.

Specializations:
While offering a broad portfolio, Garlock specializes in gaskets for aggressive chemical services and high-temperature applications where standard materials cannot survive. They are leaders in metallic gaskets, including their Kammprofile and corrugated metal designs, which offer superior performance over traditional sheet gaskets in demanding conditions. Garlock is also a key player in providing sealing solutions to the pharmaceutical, food and beverage, and water treatment industries, where material purity and compliance are critical for product safety and regulatory approval.

Klinger Group - Engineered Solutions with a European Heritage

Company Overview:
Based in Austria, the Klinger Group is an established and respected name in the sealing technology industry. Operating as a global network of companies, Klinger provides a complete range of gaskets, valves, and instrumentation for industrial applications. Their long-standing reputation is built on Swiss-quality precision, reliability, and a deep understanding of industrial processes that comes from decades of experience.

Core Strengths:
Klinger's core strength is its engineering-driven approach and its commitment to quality that never compromises. The company offers a "fit and forget" philosophy, providing products that are so reliable they reduce the need for frequent maintenance and inspection. Their global network allows them to provide localized technical support and service, combining the resources of a large corporation with the responsiveness of a local partner. This means customers get the best of both worlds when they need support or have technical questions.

Specializations:
Klinger is highly specialized in high-integrity sealing materials, particularly for the chemical and petrochemical industries where failure can be catastrophic. They are well-known for their Klingerit® compressed fiber sheeting and Maxiflex spiral wound gaskets that have proven themselves in the most demanding applications. The company also excels in providing metallic gaskets, including kammprofiles and metal-jacketed gaskets, designed for high-pressure steam, oil, and hydrocarbon services. Their expertise in fluid control makes them a valuable partner for complete system solutions that work together seamlessly.

Gardico - The Experienced and Customer-Centric Fabricator

Company Overview:
Gardico has been a dedicated supplier of standard and custom gaskets since 1977, building a reputation for quality and service. As a mid-sized specialist, they have built their business on superior workmanship and a customer-first philosophy that puts client needs above everything else. They work with a wide variety of materials, including metals, foams, fibers, and plastics, positioning themselves as a versatile partner for diverse industrial sectors.

Core Strengths:
Gardico's main strength is its flexibility and customer dedication that larger companies often cannot match. Unlike global giants focused on high-volume standard parts, Gardico excels at providing custom solutions tailored to specific client needs and unusual applications. Their extensive experience across a broad range of materials allows them to recommend the optimal solution for any given application, rather than being limited to a narrow product line. This makes them an ideal partner for OEMs and MRO teams needing customized or hard-to-find gaskets that standard suppliers cannot provide.

Specializations:
The company specializes in custom gasket fabrication that meets exact customer specifications. They are skilled at working with numerous materials, including the steel required for split gaskets, to meet precise customer requirements and tight tolerances. Their long history in the industry gives them deep knowledge of applications across all industrial sectors, from manufacturing to resource extraction. For businesses that need a responsive and knowledgeable supplier for both standard and custom parts, Gardico offers a compelling value proposition that focuses on solving customer problems rather than just selling products.

Donit Tesnit - The European Specialist in Gasket Materials

Company Overview:
Hailing from Slovenia, Donit Tesnit is a key European manufacturer of gasket materials and industrial sealing products. With a history stretching back over 70 years, the company has grown into a significant player known for its high-quality products and technical innovation. They serve a global market but maintain a strong focus on the specific needs and standards of European industries that have unique requirements.

Core Strengths:
Donit's strength lies in its specialized production of gasket sheeting materials that meet exact specifications. They have extensive control over their manufacturing processes, allowing for the development of highly specialized materials with unique performance characteristics. This focus on material science translates into reliable and high-performing finished gaskets that customers can depend on. Their agility as a European specialist allows them to be more responsive to regional customer needs than larger, more bureaucratic companies that move slowly.

Specializations:
Donit is a specialist in developing and manufacturing its own lines of gasket materials, including Tesnit® compressed fiber sheets and Grafilit® expanded graphite-based materials. In the realm of metallic gaskets, they provide robust solutions for the chemical, petrochemical, and power generation sectors where reliability is essential. Their position as a key European manufacturer makes them an excellent choice for companies operating within the EU seeking a supplier with a deep understanding of regional standards and regulations.

Goodrich Gasket - The Regional Leader in Asia

Company Overview:
Goodrich Gasket is a prominent gasket manufacturer based in India, serving both the domestic and international markets. The company has established a strong reputation for quality and reliability, making it a key player in the Asian industrial supply chain. They offer a complete range of metallic, semi-metallic, and non-metallic gaskets for various industrial applications.

Core Strengths:
Goodrich Gasket's primary strength is its ability to provide high-quality, cost-effective sealing solutions that compete with global suppliers. They have invested in modern manufacturing facilities and quality control processes to ensure their products meet international standards. Their strategic location in India allows them to serve the rapidly growing industrial markets in Asia and the Middle East with shorter lead times and competitive pricing. This regional advantage makes them an attractive option for companies operating in these growing markets.

Specializations:
The company specializes in a wide array of gasket types critical to the oil and gas and power sectors, including spiral wound gaskets, ring joint gaskets (RTJs), and kammprofile gaskets. Their ability to produce gaskets from a wide range of metals, including various stainless steel and exotic alloys, makes them a versatile supplier for different applications. Goodrich Gasket is an ideal partner for projects and operations within the Asian region that require a reliable steel split gasket supply from a proven local leader.

MPRC Seals - The Agile Custom Gasket Specialist

Company Overview:
MPRC Seals is a US-based manufacturer focused on providing high-quality custom cut gaskets, seals, and molded solutions with a fast turnaround. Their business model is heavily geared towards serving the MRO (Maintenance & Repair Orders) needs of companies, emphasizing speed, precision, and flexibility above all else. All their products are 100% USA-made, ensuring quality and supporting domestic manufacturing.

Core Strengths:
Agility is MPRC's defining strength that sets them apart from larger, slower competitors. They utilize computer-controlled cutting tables, which means they do not have to wait for a custom die to be produced before starting work. This allows them to manufacture and ship custom cut gaskets, often within hours of an order, at a fraction of the cost of traditional methods. This capability is invaluable for MRO situations where minimizing downtime is the top priority and every hour of delay costs money.

Specializations:
MPRC is a specialist in custom cut gaskets for MRO applications where speed and accuracy are essential. Their dieless knife cutting technology enables them to produce highly accurate parts with complex geometries on demand without tooling delays. They stock a wide variety of sheet materials, including different types of steel and PTFE, ensuring they can respond quickly to urgent requests. For any organization where unplanned maintenance is a reality, having a supplier like MPRC that can deliver a precise, custom steel gasket on short notice is a significant operational advantage that can save thousands in downtime costs.

Custom Fabricating & Supplies (CFS) - The Die-Cutting and Fabrication Expert

Company Overview:
Custom Fabricating & Supplies (CFS) is a manufacturer of custom gaskets, seals, and o-rings for OEMs and their suppliers. They distinguish themselves through their deep expertise in various production methods, particularly die cutting that ensures precision and repeatability. Their capabilities allow them to handle a wide range of materials and production run sizes efficiently, from prototypes to large production runs.

Core Strengths:
CFS's core strength is its mastery of multiple fabrication technologies that gives them flexibility in how they approach each job. They offer rotary die cutting, automated flatbed die cutting using steel rule dies, and dieless knife cutting for different applications. This diverse toolkit allows them to select the most cost-effective and precise method for any given job based on quantity and complexity. For short production runs with complex geometries, their use of inexpensive steel rule dies offers a significant cost advantage over other methods that require expensive tooling.

Specializations:
CFS specializes in precision die cutting for custom gasket manufacturing that meets exact specifications. Their ability to handle thick materials and larger dimensions on their automatic hydraulic presses makes them a go-to supplier for challenging applications that other shops cannot handle. They also offer value-added services like adhesive laminating and kiss-cutting, providing a more complete solution for OEMs. For companies that require highly precise, custom-shaped steel gaskets, especially for short to medium production runs, CFS's technical capabilities are a major asset that can solve difficult manufacturing challenges.

Arbor/Metals Inc. - The Upstream Specialist for Gasket Fabricators

Company Overview:
Arbor/Metals Inc. occupies a unique and vital niche within the steel split gasket supply ecosystem. They are not a gasket manufacturer themselves, which makes their role different from other companies on this list. Instead, they specialize in providing precision-slit steel coil and sheet tailored specifically to the needs of gasket fabricators who need exact material specifications. They act as a crucial upstream partner for custom gasket houses that need reliable raw material supply.

Core Strengths:
The company's strength is its singular focus on providing high-quality raw material that gasket manufacturers can depend on. They enable gasket manufacturers to be more responsive and flexible by handling the complexities of bulk steel purchasing and precision slitting that requires specialized equipment. This allows fabricators to focus on their core competency—creating gaskets—without having to invest in heavy slitting equipment or manage large steel inventories. By specializing in this upstream function, they provide value that allows the entire supply chain to operate more efficiently.

Specializations:
Arbor/Metals Inc. is a specialist in the supply of precision-slit steel coil that meets exact width and tolerance requirements. Their service is essential for a healthy and agile gasket manufacturing industry that depends on consistent raw material quality. They ensure that custom fabricators have a reliable source of high-quality steel, slit to the exact widths and tolerances required for producing components like spiral wound gaskets. For gasket manufacturers looking to streamline their operations and ensure material quality, partnering with a specialist like Arbor/Metals is a strategic move that can improve their competitiveness and reliability.

Conclusion: Building a Resilient Supply Strategy

Securing a reliable steel split gasket supply is fundamental to ensuring the safety and efficiency of any industrial operation. As this guide illustrates, the ideal partner depends entirely on your specific needs, budget, and operational requirements. The market offers a spectrum of choices, from global leaders like Flexitallic and Garlock who provide cutting-edge, standardized solutions for critical applications, to raw material powerhouses like Metal Zenith that guarantee quality from the very start of the supply chain.

Your final choice should be guided by a clear assessment of your technical requirements, quality standards, and operational priorities. For large-scale projects requiring proven solutions, a global leader may be the best fit for your needs. For urgent maintenance or custom designs, an agile fabricator like MPRC or CFS offers unmatched speed and flexibility that can save critical downtime. For those in the gasket manufacturing business, an upstream specialist like Arbor/Metals Inc. can be a transformative partner that improves your entire operation.

The most resilient supply strategy often involves a combination of these suppliers rather than relying on just one. Use this guide to shortlist potential partners whose capabilities align with your needs and can support your long-term goals. Engage their technical teams, validate their certifications, and build relationships that go beyond a simple transaction. By doing so, you are not just buying a part; you are investing in the long-term reliability and safety of your entire operation that will pay dividends for years to come.