Mariani offer Hiqh Quality, Fire Safe, European Manufactured Bronze Ball Valve incorporates several body designs which include 1 Piece, 2 Piece, 3 Piece & Direct Mount for easy assembly of your Actuated Bronze Bronze Ball Valves. Mariani offer added features for certain application and industry requirements are catered for from our team of highly experienced engineers. Whether this be Locking Devices, Extended Levers, Lever Operated Switches (See above pictures) Gear Operated or Electrically/Pneumatically Actuated Bronze Ball Valves, we keep a diverse range of stock to suit all specifications.

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Key features and benefits of Mariani Valves.

Key Features

Mariani Bronze Ball Valves are available in different body designs, each offering a range of end connections such as Screwed BSP/NPT, Socket Weld, ANSI 150 FF/RF, and PN10/16. These options accommodate various installation needs, allowing for flexibility in system configurations.

Key Features

Mariani Aluminium Bronze Valves encompasses various body designs, including 1 Piece, 2 Piece, 3 Piece, and Direct Mount options, offering versatility for different applications.

Key Features

Mariani Bronze Ball Valves are manufactured to meet high-quality and safety standards, including fire-safe specifications to API 6FA, 607, and ISO 10497. They also incorporate essential safety features such as self-relieving seat rings and an anti-blowout shaft, ensuring reliable performance in critical applications.

Who are Mariani?

Mariani are a renowned manufacturer specialising in the production of high-quality industrial valves tailored for demanding applications across various industries. With a legacy of engineering excellence and innovation, Mariani has established itself as a trusted name in the valve manufacturing sector. Their product range includes an extensive variety of valves such as ball valves, gate valves, globe valves, check valves, and customised solutions, all designed to meet stringent industry standards.

Headquartered in Italy, Mariani leverages advanced manufacturing techniques and a commitment to precision engineering to produce valves that deliver exceptional performance, durability, and reliability. Their valves are widely used in industries such as oil and gas, petrochemical, power generation, water treatment, and more. Mariani's focus on quality control ensures that every valve is subjected to rigorous testing, guaranteeing flawless operation even under extreme conditions.

Mariani Marine Ball Valves are engineered to meet the rigorous demands of marine and offshore applications. Renowned for their high-quality construction and exceptional durability, these valves provide reliable performance in some of the harshest environments. Designed with the marine industry in mind, they are built to withstand saltwater corrosion, extreme pressure, and fluctuating temperatures, ensuring operational integrity and longevity in critical systems.

Size Range:	DN15-DN100 (1/2"-4")
Body Materials:	Brass CW 617 N
Body Type:	Full Bore, 2 Piece
Applications:	Water, Gas, Air, Drinking Water, Waste Water (See Chart For More)
Pressure Ratings:	1000 PSI
End Conections:	Screwed BSPP

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Mariani Bronze Gate Valves offer exceptional durability and reliability, making them a preferred choice for industries requiring precise flow control. Constructed from high-quality bronze, these valves provide excellent corrosion resistance, ensuring longevity even in demanding environments such as marine, steam, and industrial applications. Mariani Bronze Gate Valves are engineered for performance and longevity, ensuring smooth operation and minimal maintenance. Their high-pressure handling capability and reliable sealing make them an ideal choice for industrial and commercial use.

Size Range:	DN08 - DN300 (1/4" - 12")
Body Materials:	Bronze
Applications:	Marine, Oil & Gas, Steam & Power Generation, Water Treatment, HVAC & Plumbing, Chemical Processing.
Working Pressure:	150 - 700psi
End Conections:	Threaded / Flanged

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Mariani Bronze Globe Valves are designed for precise flow regulation and long-lasting performance in demanding applications. Manufactured from high-quality bronze, these valves offer exceptional corrosion resistance, making them ideal for steam, water, and industrial fluid control systems. Their globe-style design ensures efficient throttling and flow regulation, providing reliability in both high and low-pressure conditions.

Size Range:	DN08 - DN80 (1/4" - 4")
Body Materials:	Bronze
Applications:	Marine, Oil & Gas, Steam & Power Generation, Water Treatment, HVAC & Plumbing, Chemical Processing.
Working Pressure:	225 - 700psi
End Conections:	Threaded / Flanged

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Mariani Bronze Swing Check Valves are designed to prevent backflow and ensure smooth, reliable operation in fluid systems. Constructed from high-quality bronze, these valves offer excellent corrosion resistance, making them ideal for steam, water, oil, and gas applications. Their swing disc mechanism allows for low-pressure drop and efficient flow, ensuring optimal performance in both industrial and commercial settings.

Size Range:	DN40 - DN750 (1 1/2" - 30")
Body Materials:	Bronze
Applications:	Marine, Oil & Gas, Steam & Power Generation, Water Treatment, HVAC & Plumbing, Chemical Processing.
Working Pressure:	350psi
End Conections:	Flanged

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Mariani Bronze Y Strainer Valves are designed to protect pipelines and equipment by efficiently filtering out debris and impurities. Made from high-quality bronze, these strainers offer superior corrosion resistance, making them ideal for steam, water, oil, and gas applications. Their Y-shaped design ensures smooth flow while effectively capturing particles, preventing blockages and extending the lifespan of critical system components.

Size Range:	DN08 - DN250 (1/4" - 10")
Body Materials:	Bronze
Applications:	Marine, Oil & Gas, Steam & Power Generation, Water Treatment, HVAC & Plumbing, Chemical Processing.
Working Pressure:	225 - 350psi
End Conections:	Threaded / Flanged

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Mariani Bronze Conveyed Flow Valves are engineered for smooth and controlled fluid movement in demanding applications. Manufactured from high-quality bronze, these valves provide superior corrosion resistance, ensuring durability and reliability in steam, water, oil, and gas systems. Their robust design allows for efficient flow control, reducing turbulence and maintaining consistent performance across various industries.

Size Range:	DN08 - DN80 (1/4" - 3")
Body Materials:	Bronze
Applications:	Marine, Oil & Gas, Steam & Power Generation, Water Treatment, HVAC & Plumbing, Chemical Processing.
Working Pressure:	Marine, Oil & Gas, Steam & Power Generation, Water Treatment, HVAC & Plumbing, Chemical Processing, Food & Beverage, Pharmaceutical.
End Conections:	Threaded

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Mariani Bronze Free Flow Valves are designed for unrestricted fluid movement, ensuring minimal resistance and maximum efficiency in steam, water, oil, and gas applications. Constructed from high-quality bronze, these valves offer excellent corrosion resistance and durability, making them ideal for demanding industrial and commercial environments. Their streamlined design allows for smooth, uninterrupted flow, reducing pressure drop and optimising system performance.

Size Range:	DN10 - DN100 (3/8" - 4")
Body Materials:	Bronze
Body Type:	Rising Stem
Applications:	Marine, Oil & Gas, Steam & Power Generation, Water Treatment, HVAC & Plumbing, Chemical Processing, Food & Beverage, Pharmaceutical.
Working Pressure:	225psi
End Conections:	BSPP or NPT

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These ball valves feature robust materials such as stainless steel, duplex, and super duplex, offering enhanced resistance to corrosion and erosion caused by seawater and other harsh chemicals commonly found in marine settings. Their compact design ensures easy installation, even in space-constrained areas, making them a preferred choice for shipbuilders, marine engineers, and offshore platform operators. Additionally, the valves are available in various configurations, including two-piece and three-piece designs, as well as options for full or reduced bore to suit specific flow requirements.

Key Features of Mariani Marine Ball Valves:

Marine-Grade Materials: Manufactured from materials specifically chosen for resistance to saltwater and chemical exposure, ensuring long-term reliability.
Versatile Connection Options: Available with threaded, flanged, or weld-end connections, allowing seamless integration into existing pipeline systems.
Superior Sealing Mechanism: Equipped with high-performance seals that prevent leaks, even under high pressure or temperature variations.
Compact and Lightweight Design: Engineered for easy installation and maintenance, particularly in confined spaces.
Customisation: Options for manual, pneumatic, or electric actuation to meet diverse operational needs.

Mariani Marine Ball Valves are also certified to meet international maritime standards such as ABS, DNV-GL, and Bureau Veritas. These certifications attest to their compliance with the stringent safety and performance requirements of the global marine industry.

Who is Mariani and what does the brand specialise in?

Mariani is a reputable manufacturer known for producing high-quality bronze valves. The brand specializes in designing and crafting a wide range of valves suitable for various industrial applications.

Where is Mariani based and where are its products manufactured?

Mariani is based in Italy, and its products are proudly manufactured in their state-of-the-art facilities in Italy, known for their advanced technology and skilled craftsmanship.

What industries does Mariani serve with their bronze valves?

Mariani serves a diverse range of industries, including oil and gas, petrochemical, maritime, and other sectors that require high-performance valves for critical applications.

Do Mariani offer customisation options for their valves?

What quality assurance measures does Mariani employ in its manufacturing process?

Mariani adheres to stringent quality control procedures throughout the entire manufacturing process. This includes rigorous testing, inspections, and compliance with industry standards to ensure the highest quality products.

What sets Mariani apart from other valve manufacturers?

Mariani distinguishes itself through a combination of precision engineering, top-notch materials, and a commitment to quality. The brand has a long-standing reputation for producing reliable and durable bronze valves.

Does Mariani have a commitment to sustainability and environmental responsibility?

Yes, Mariani is dedicated to sustainable practices. The brand invests in environmentally friendly technologies and materials, and works towards minimizing its ecological footprint.

Is Mariani known for its innovation in valve technology?

Absolutely. Mariani has a track record of innovation in valve design and technology. The brand continually invests in research and development to create cutting-edge solutions for its clients.

What is Mariani's approach to customer support and after-sales service?

Mariani places a strong emphasis on customer satisfaction. The brand offers excellent customer support and provides comprehensive after-sales service, including maintenance, repairs, and technical assistance.

Where can customers find information about Mariani's product catalog and specifications?

Customers can visit Mariani's official website for detailed information about their product catalog, including specifications, technical data, and application details. Additionally, the brand's representatives are available to assist with any inquiries.

Does Mariani have a warranty or guarantee for its bronze valves?

Yes, Mariani offers a comprehensive warranty for its bronze valves. The details of the warranty may vary depending on the specific product and application, so it's recommended to consult with our tech team or refer to the product documentation for specifics.

What certifications and industry standards do Mariani's valves adhere to?

Mariani's valves are designed and manufactured to meet or exceed industry standards and certifications. These may include ISO, API, ASTM, and other relevant standards specific to different industries. Additionally, Mariani's valves are often tested and certified by independent third-party organisations to ensure compliance with industry regulations and quality benchmarks.