Bronze Valves
Hytork Actuated Flanged ANSI 150 2 PCE Full Bore B62 Bronze Mariani Ball Valves (Air Open Spring Close)
Hytork Actuated Flanged ANSI 150 2 PCE Full Bore B62 Bronze Mariani Ball Valves (Air Open Spring Close)
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The Mariani Hytork Actuated Ball Valve offers reliable, efficient control with a robust B62 bronze construction and precision-engineered pneumatic actuation. Designed with a 2-piece full bore body and ANSI 150 flanged ends, this valve ensures smooth flow with minimal pressure drop, making it ideal for marine, industrial, and water treatment environments.
Fitted with a Hytork pneumatic actuator, the valve operates on an air open, spring close principle, ensuring safe and fail-closed performance in the event of air failure. The actuator’s compact, rugged design provides long-lasting durability and precise control in demanding process conditions.
Key Features:
- Full Bore Design: Enables unrestricted flow for optimal system efficiency
- B62 Bronze Body: Corrosion-resistant material suitable for seawater and harsh media
- ANSI 150 Flanged Ends: Compatible with U.S. standard piping systems for easy installation
- Hytork Pneumatic Actuator: Air to open, spring to close for fail-safe shutdown operation
- Reliable Spring Return: Ensures automatic closure during air loss or system failure
- 2-Piece Construction: Allows easier servicing and reduced downtime
- Heavy-Duty Performance: Ideal for automation in harsh or remote environments
Technical Specifications:
- Valve Type: 2-Piece Ball Valve
- Body Material: B62 Bronze
- Connection Type: Flanged ANSI 150
- Bore Type: Full Bore
- Actuator Type: Hytork Pneumatic – Air Open / Spring Close
- Fail-Safe Position: Closed
- Applications: Marine systems, offshore platforms, chemical dosing, and industrial automation





Why choose us?
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Built to Last
Our bronze valves are engineered for long-term durability, corrosion resistance, and consistent performance across demanding applications.
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Expert Support
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Fast Turnaround
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FAQs
What are bronze valves used for?
Bronze valves are commonly used for isolating, regulating, and directing the flow of water, steam, air, and non-aggressive fluids in industrial, marine, and commercial systems. Their corrosion resistance makes them ideal for saltwater and outdoor applications.
Are bronze valves suitable for potable water?
Yes, bronze valves are often used in potable water systems, especially when made from lead-free or WRAS-approved bronze alloys. Always verify material compliance with local drinking water standards.
What is the difference between bronze and brass valves?
Bronze is an alloy of copper and tin, offering better corrosion and wear resistance than brass, which is typically made of copper and zinc. Bronze valves are generally more durable and preferred for marine and industrial applications.
Can bronze valves handle high temperatures and pressures?
Yes, most bronze valves are rated for moderate to high temperatures and pressures. Many models can handle up to PN25 or 600 psi, and temperatures ranging from -10°C to 150°C, depending on design and sealing materials.
Do bronze valves require regular maintenance?
Bronze valves are low-maintenance, but like any mechanical component, periodic inspection and cleaning (especially strainers and check valves) are recommended to ensure long-term performance and safety.