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Home > Industrial Equipment & Components > Valve > Ball Valve > 316 Stainless Steel Marine Pneumatic Ball Valve for Explosive Atmospheres, 2-Way/3-Way

316 Stainless Steel Marine Pneumatic Ball Valve for Explosive Atmospheres, 2-Way/3-Way

316 Stainless Steel Marine Pneumatic Ball Valve for Explosive Atmospheres, 2-Way/3-Way thumbnail-3

316 Stainless Steel Marine Pneumatic Ball Valve for Explosive Atmospheres, 2-Way/3-Way thumbnail-4

316 Stainless Steel Marine Pneumatic Ball Valve for Explosive Atmospheres, 2-Way/3-Way thumbnail-5

316 Stainless Steel Marine Pneumatic Ball Valve for Explosive Atmospheres, 2-Way/3-Way photo-1

316 Stainless Steel Marine Pneumatic Ball Valve for Explosive Atmospheres, 2-Way/3-Way photo-2

316 Stainless Steel Marine Pneumatic Ball Valve for Explosive Atmospheres, 2-Way/3-Way photo-3

316 Stainless Steel Marine Pneumatic Ball Valve for Explosive Atmospheres, 2-Way/3-Way photo-4

316 Stainless Steel Marine Pneumatic Ball Valve for Explosive Atmospheres, 2-Way/3-Way photo-5

Product Spotlights

316 stainless steel construction ensures superior corrosion resistance for marine and harsh chemical environments. Explosion-proof pneumatic actuator design enables safe, reliable operation in hazardous atmospheres (Zones 1 & 2). Available in versatile 2-way or 3-way configurations for flexible process control. Features robust, low-maintenance design with bubble-tight sealing for long service life and reduced downtime.

Negotiable MOQ: 1 Unit (Price negotiable depending on order volume and customization)

Key Specifications

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Material:

Other, 316 Stainless Steel

Port Configuration:

2-Way or 3-Way

Actuation Type:

Pneumatic

Contact Supplier Request Quote Chat Now

Shanghai Zhibang Valve Manufacture Co.,ltd

1Yr

Payment & Shipping

Payment Methods:

Port of Shipment:

China

Delivery Detail:

Delivery time depends on order quantity.

Product Details
Company Profile
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Material Other, 316 Stainless Steel

Port Configuration 2-Way or 3-Way

Actuation Type Pneumatic

Application Environment Explosive Atmospheres, Marine

Valve Type Ball Valve

Connection Type Threaded or Flanged (Optional)

Pressure Rating Customizable

Temperature Range Available upon request

Operation Quarter-turn

Seat Material PTFE or Metal (Optional)

As a leading manufacturer with ISO9001 certification, Shanghai Zhibang Valve Manufacture Co., Ltd. specializes in engineering robust fluid control solutions for demanding industrial and marine environments. We proudly present our 316 Stainless Steel Marine Pneumatic Ball Valve, specifically designed for safe and reliable operation in explosive atmospheres. This valve represents our commitment to combining superior material science with precise actuation technology, offering a critical safety component for offshore platforms, chemical tankers, and processing plants where hazardous conditions are a constant concern. Engineered for durability and fail-safe performance, this valve is a cornerstone for systems requiring uncompromising integrity.

Our valve is constructed from premium 316 stainless steel, renowned for its exceptional resistance to pitting and corrosion, particularly in chloride-laden marine environments. The pneumatic actuation provides rapid, precise quarter-turn operation, ideal for automated process control systems. The valve's design is intrinsically focused on safety in explosive atmospheres, featuring measures to prevent ignition sources.

Key Features and Technical Advantages:

Superior Corrosion Resistance: The 316 stainless steel body offers outstanding protection against saltwater corrosion, chemical exposure, and harsh industrial fluids, ensuring a long service life and reducing maintenance frequency.
Explosion-Proof Design Philosophy: Engineered for Zone 1 and Zone 2 hazardous areas, the pneumatic actuator and valve assembly are designed to contain any potential internal ignition, preventing it from reaching the external explosive atmosphere.
Rugged and Reliable Actuation: The pneumatic actuator delivers high torque for positive sealing, even under varying pressure conditions. It is suitable for fail-safe modes (spring-return) or double-acting configurations based on application requirements.
Flexible Flow Control: Available in both 2-way (on/off) and 3-way (diversion or mixing) configurations, providing versatile solutions for different piping system layouts and process needs.
Low Maintenance Design: Featuring a simple, robust design with self-lubricating seats (PTFE standard, metal optional) that minimize wear and extend service intervals, lowering your total cost of ownership.
Excellent Sealing Performance: Precision-machined ball and seat ensure bubble-tight shut-off, critical for preventing leaks of hazardous or valuable media.

Technical Specifications Overview:

Parameter	Details
Primary Material	AISI 316 Stainless Steel
Port Sizes	Commonly from 1/2" to 4" (Custom sizes available)
Pressure Class	ANSI 150, 300, or as specified
Actuator Air Supply	Standard: 4-7 bar (60-100 psi). Other ranges optional.
Temperature Range (Standard Seat)	-20°C to +180°C (-4°F to +356°F) with PTFE
Flow Characteristic	Quick opening, approximately equal percentage
End Connections	Threaded (NPT, BSP), Flanged (RF, FF), Socket Weld

Benefits for Your Operation:

Enhanced Safety Compliance: Mitigates risk in hazardous locations, helping your facility meet stringent international safety standards for explosive atmospheres (ATEX/IECEx principles).
Reduced Downtime: The durability of 316 SS and reliable pneumatic operation minimize unexpected failures, keeping your processes running smoothly.
Operational Efficiency: Pneumatic actuation allows for seamless integration into PLC-controlled systems, enabling remote operation and process automation.
Cost-Effective Solution: While offering premium performance, our direct manufacturing model provides a competitive price point without compromising on quality or safety features.

Backed by our ISO9001 quality management system and nearly a decade of manufacturing expertise since 2016, Shanghai Zhibang Valve delivers products trusted by clients across six continents, from North America and Western Europe to Southeast Asia and Africa. With an annual export value reflecting consistent global demand, our valves are proven in diverse marine and industrial applications. We control the entire production process, ensuring every 316 Stainless Steel Marine Pneumatic Ball Valve meets exacting standards for material integrity and performance. This valve is not just a component; it's a reliable safeguard for your critical operations. Contact us today to discuss your specific requirements for size, pressure rating, and certification needs, and experience the Zhibang difference in quality and service.

Frequently Asked Questions (FAQ):

Q: What makes this valve suitable for explosive atmospheres?
A: The valve incorporates an explosion-proof pneumatic actuator. This means the actuator housing is designed to withstand an internal explosion of a specific gas group without allowing flames or hot gases to escape and ignite the surrounding hazardous atmosphere. The valve body itself, being metallic and robust, contributes to this containment strategy.
Q: Can this valve be used with seawater directly?
A: Yes, the primary material, AISI 316 stainless steel, offers excellent resistance to chloride-induced pitting and crevice corrosion, making it a preferred choice for seawater, brackish water, and other corrosive marine fluids. For prolonged immersion in stagnant seawater, 316L or more resistant alloys can be discussed.
Q: What is the difference between 2-way and 3-way configurations?
A: A 2-way valve has one inlet and one outlet, used for simple on/off isolation of flow. A 3-way valve has three ports and can be used to divert flow from one inlet to two outlets (L-port), mix flows from two inlets to one outlet (T-port), or perform other switching functions, offering greater process flexibility.
Q: What type of pneumatic signal is required to operate the valve?
A: The actuator typically operates on a clean, dry air supply in the range of 4-7 bar (60-100 psi). We offer both double-acting (air to open, air to close) and spring-return (fail-open or fail-close) actuators. The specific control signal (e.g., 3-15 psi, 4-20mA with positioner) can be accommodated with optional accessories.
Q: Are these valves certified for specific hazardous area zones?
A> While our design follows principles for use in Zones 1 & 2, final certification for a specific standard (like ATEX or IECEx) for the complete assembly is often project-specific. We can provide valves that are suitable for certification and work with notified bodies, or provide all necessary documentation for your own certification process. Please inquire with your specific certification requirements.
Q: What maintenance is required for these valves?
A: Maintenance is minimal. Periodic checks of the actuator for air leaks and smooth operation are recommended. The valve stem seals and seats may require replacement after extended service cycles, but the design allows for in-line maintenance in most cases without removing the valve body from the pipeline.
Q: Can you provide custom sizes or pressure ratings?
A: Absolutely. As a manufacturer, we have the capability to produce valves outside standard size and pressure ranges. Please provide your detailed specifications, including port size, pressure class (e.g., ANSI 600), end connections, and any special material requirements for a customized quotation.
Q: What is the typical lead time for an order?
A: Lead time depends on the order quantity and specification. Standard configurations may have shorter lead times, while custom-engineered valves require additional manufacturing time. We prioritize efficient production and clear communication to meet your project schedules and can provide an estimated timeline upon receipt of your inquiry.