Top 10 Hydraulic Flange Manufacturers in 2026

Hydraulic flanges are widely used for connecting high-pressure hydraulic lines, valves, pumps, cylinders, and other fluid power components. Compared with conventional threaded connections, flange connections can provide a stable and robust solution for demanding hydraulic systems, particularly where higher pressure, vibration, or larger connection sizes are involved.

For buyers, choosing the right hydraulic flange manufacturer involves more than comparing prices. Product standards, material options, pressure ratings, machining capability, customization, and supply capacity can all affect the suitability of a supplier.

This list highlights 10 hydraulic flange manufacturers and suppliers worth considering in 2026, with a focus on product range, manufacturing capability, standards, and suitability for industrial procurement.

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2. STAUFF

Country: Germany

Main Products: SAE split flanges, flange clamps, flange adapters, single-piece flanges

Best For: Industrial and mobile hydraulic systems

Company Overview

STAUFF is an established manufacturer of hydraulic and fluid power components. Its flange product portfolio is particularly relevant to buyers searching for standardized hydraulic connection solutions.

The company offers dedicated flange products rather than simply mentioning flanges as part of a general fitting catalog.

Main Flange Products

• SAE split flange halves
• SAE flange clamps
• SAE flange adapters
• Single-part flanges
• Hydraulic flange accessories

STAUFF's official product information covers SAE J518 and ISO 6162-related flange systems, including solutions corresponding to common hydraulic flange configurations.

Key Strengths

• Strong hydraulic connection product portfolio
• SAE and ISO-compatible solutions
• Steel and stainless-steel options
• Products for demanding hydraulic applications
• International manufacturing and distribution network

STAUFF is particularly suitable for buyers who place a strong emphasis on standardized hydraulic connection systems and established industrial supply capabilities.

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3. MAIN Manufacturing Products

Country: United States

Main Products: Hydraulic flanges, SAE J518 flanges, ISO flanges, custom flanges

Best For: Custom hydraulic flange projects and North American buyers

Company Overview

MAIN Manufacturing Products is one of the more specialized companies on this list. Unlike large diversified fluid power groups, MAIN positions itself directly as a hydraulic flange and component manufacturer. Its official website describes the company as a Michigan hydraulic flange and component manufacturer.

Main Products

• SAE J518 hydraulic flanges
• ISO 6162 flanges
• ISO 6164 flanges
• Custom flanges
• Four-bolt hydraulic flanges
• Special hydraulic connectors

Key Strengths

• Dedicated flange manufacturing experience
• U.S.-based production
• Custom flange capability
• Multiple international flange standards
• Long experience in hydraulic components

MAIN is a particularly relevant option when a project requires customized hydraulic flange configurations rather than only standard catalog products.

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4. Parker Hannifin

Country: United States

Main Products: Hydraulic flanges, flange fittings, Code 61 and Code 62 components

Best For: Global industrial and mobile hydraulic applications

Company Overview

Parker Hannifin is one of the largest names in fluid power and motion control. Hydraulic flanges are part of its broader hydraulic connection and fluid power portfolio. Because Parker covers a very wide range of hydraulic products, it is better viewed as a comprehensive hydraulic technology manufacturer rather than a flange-only specialist.

Main Flange Products

• Code 61 hydraulic flanges
• Code 62 hydraulic flanges
• Flange fittings
• Flange kits
• Hydraulic connection components

Parker's official hydraulic product documentation includes Code 61 and Code 62 flange-related products.

Key Strengths

• Extensive hydraulic product portfolio
• Global manufacturing and distribution
• Broad industrial application experience
• Strong availability of related hydraulic components

Parker may be particularly useful for buyers who want to source hydraulic flanges alongside hoses, fittings, valves, and other fluid power components from a major global manufacturer.

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5. Tesco Steel & Engineering

Country: India

Main Products: SAE J518 flanges, Code 61, Code 62, split flanges

Best For: Buyers seeking specialized SAE hydraulic flange manufacturing

Company Overview

Tesco Steel & Engineering has a much narrower product focus than companies such as Parker. Its official website directly promotes the company as an SAE flange manufacturer. This makes it one of the more closely matched companies for the keyword hydraulic flange manufacturers.

Main Products

• SAE J518 flanges
• Code 61 flanges
• Code 62 flanges
• Split flanges
• Mono flanges
• Blind flanges

The company's product information also lists materials such as carbon steel, stainless steel, duplex, Inconel, and Monel for different flange requirements.

Key Strengths

• Specialized SAE flange manufacturing
• Wide material selection
• Custom manufacturing
• Multiple flange configurations
• Focus on industrial applications

Tesco can be considered when material selection and customized SAE flange requirements are important purchasing factors.

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6. YOUNGLEE Metal

Country: China

Main Products: SAE flanges, Code 61, Code 62, split flanges, flange clamps

Best For: China sourcing and SAE flange requirements

Company Overview

YOUNGLEE Metal is a China-based flange manufacturer with a strong focus on SAE flange products. Its official website identifies the company as an SAE flange manufacturer and provides dedicated information on its hydraulic flange product range.

Main Products

• SAE 3000 / Code 61 flanges
• SAE 6000 / Code 62 flanges
• SAE split flanges
• SAE flange clamps
• Butt-weld flanges
• Socket-weld flanges
• Blind flanges

Key Strengths

• Dedicated SAE flange product range
• China-based manufacturing
• Multiple flange configurations
• Suitable for OEM sourcing
• Focus on industrial flange applications

For international buyers comparing China hydraulic flange manufacturers, YOUNGLEE is a relevant supplier to include in the initial sourcing process.

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7. ASB Hydraulic

Country: Italy

Main Products: SAE 3000 and SAE 6000 flanges, Code 61 and Code 62 flanges

Best For: CNC-machined hydraulic flange components

Company Overview

ASB Hydraulic is an Italian hydraulic component manufacturer with a dedicated range of SAE flange products. Its official product information states that the company manufactures SAE 3000 and SAE 6000 flanges and uses CNC equipment in its manufacturing process.

Main Products

• Code 61 flanges
• Code 62 flanges
• SAE 3000 flanges
• SAE 6000 flanges
• Flange adapters
• Flanged reducers
• Threaded flanges
• Flange holders

Key Strengths

• CNC machining
• SAE flange manufacturing
• Carbon steel and stainless-steel options
• Multiple flange configurations
• European manufacturing base

ASB Hydraulic is worth considering for projects where machining quality and a broad range of flange configurations are important.

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8. Hy-Lok

Country: South Korea / International

Main Products: Hydraulic SAE flanges, hydraulic fittings, fluid-system components

Best For: High-pressure hydraulic and fluid-system applications

Company Overview

Hy-Lok is a manufacturer of fluid-system components with products covering hydraulic and instrumentation applications. Its hydraulic flange range includes products designed around established international standards, making the company relevant for buyers seeking high-pressure flange connections.

Main Flange Products

• Hydraulic SAE flanges
• SAE J518 flange products
• ISO 6162-related solutions
• Hydraulic connection components
• Fluid-system fittings

Hy-Lok's official materials identify hydraulic flange products compatible with SAE J518, ISO 6162, and other flange standards, with high-pressure applications among their intended uses.

Key Strengths

• High-pressure fluid-system applications
• International standards
• Broad fluid connection portfolio
• Hydraulic and instrumentation expertise

Hy-Lok can be a suitable option when hydraulic flange requirements are part of a larger fluid-system project.

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9. Manuli Hydraulics

Country: Italy

Main Products: Code 61, Code 62, adjustable flanges, hydraulic fittings

Best For: Hydraulic hose and fluid connection systems

Company Overview

Manuli Hydraulics is a global manufacturer specializing in hydraulic hose, fittings, and fluid connection systems. Its hydraulic fittings portfolio includes several flange-related product families. The company is therefore better categorized as a broad hydraulic connection manufacturer rather than a flange-only specialist.

Main Flange Products

• ISO/SAE Code 61 flanges
• ISO/SAE Code 62 flanges
• Adjustable flanges
• Flange fittings
• Related hydraulic connectors

Manuli's official product pages provide specific Code 61, Code 62, and adjustable flange products, including detailed technical information.

Key Strengths

• Extensive hydraulic connection portfolio
• Code 61 and Code 62 products
• Adjustable flange solutions
• Global manufacturing presence
• Strong hose-and-fitting integration

For buyers sourcing hydraulic hoses, fittings, and flange connections as part of the same project, Manuli can be a practical supplier to evaluate.

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10. Yuyao Swintool Co., Ltd.

Country: China

Main Products: SAE flange clamps, split flange clamps, flange components

Best For: SAE flange clamps and OEM component sourcing

Company Overview

Yuyao Swintool is a China-based manufacturer whose product range includes SAE flange clamps and related flange components. It is somewhat different from the larger hydraulic component manufacturers on this list. Its strongest relevance is in the manufacturing of flange clamps and associated components.

Main Products

• SAE split flange clamps
• SAE whole flange clamps
• SAE 3000 PSI flange clamps
• SAE 6000 PSI flange clamps
• Butt-weld flanges
• Socket-weld flanges
• Pipe-thread flanges

The company's official website states that its flange products are manufactured according to SAE J518 and ISO 6162-related standards, with hot forging and CNC machining used in production.

Key Strengths

• SAE flange clamp manufacturing
• Hot forging
• CNC machining
• OEM capability
• China-based production

For buyers specifically looking for SAE flange clamps or related flange components, Swintool provides another manufacturing option.

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Hydraulic Flange Manufacturers Comparison

The comparison shows that the manufacturers differ considerably in their product focus. Some, such as MAIN, Tesco, YOUNGLEE, and ASB, have a particularly strong flange focus, while Parker, STAUFF, Hy-Lok, and Manuli offer hydraulic flanges as part of broader fluid power portfolios.

Frequently Asked Questions (FAQ)

Q1: What is a hydraulic flange manufacturer?

A hydraulic flange manufacturer produces flange components designed to connect hydraulic hoses, pipes, valves, pumps, cylinders, and other fluid power equipment. Depending on the supplier, products may include SAE flanges, split flange clamps, flange adapters, and other four-bolt connection components.

Q2: What is the difference between Code 61 and Code 62 hydraulic flanges?

Code 61 and Code 62 are common SAE hydraulic flange configurations. They have different pressure ratings and dimensional specifications, so buyers should select the appropriate type according to the hydraulic system's pressure, connection size, and equipment requirements.

Q3: How do I choose a hydraulic flange manufacturer?

Start by checking whether the manufacturer's products match the required standard, size, pressure rating, and material. Buyers should also evaluate manufacturing capability, quality control, customization options, lead times, and experience supplying similar hydraulic applications.

Q4: Can hydraulic flange manufacturers provide custom products?

Many manufacturers can provide customized flange products, although the available options vary. Customization may involve dimensions, materials, connection configurations, machining, surface treatment, or OEM specifications. Buyers should provide technical drawings or detailed requirements when requesting a quotation.

Conclusion: Partnering with the Right Supplier

The best hydraulic flange manufacturers are not necessarily the companies with the largest overall product catalogs. For procurement teams, product compatibility, manufacturing capability, applicable standards, customization, and supply reliability are often more important.

STAUFF, Parker Hannifin, and Manuli Hydraulics offer hydraulic flange products within broader fluid power portfolios. MAIN Manufacturing, Tesco Steel, YOUNGLEE Metal, and ASB Hydraulic have a more specialized focus on flange manufacturing and related components. Hy-Lok and Yuyao Swintool provide additional options for specific hydraulic and SAE flange requirements.

For buyers sourcing from China, HGW Hydraulics is worth considering as a manufacturer of hydraulic flanges and related hydraulic connection components. Its product range includes SAE flange solutions, Code 61 and Code 62 products, flange adapters, and other fittings, allowing buyers to source multiple hydraulic connection components from one supplier.

Before placing an order, procurement teams should compare technical specifications, pressure ratings, materials, certifications, customization requirements, and production capabilities to determine which hydraulic flange manufacturer best fits their application.

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