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Home > Industrial Equipment & Components > Valve > Ball Valve > API 6D Standard Compliant Marine Ball Valve, 304 Stainless Steel, Fire-Safe Design, Reduced Port

API 6D Standard Compliant Marine Ball Valve, 304 Stainless Steel, Fire-Safe Design, Reduced Port

API 6D Standard Compliant Marine Ball Valve, 304 Stainless Steel, Fire-Safe Design, Reduced Port thumbnail-3

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API 6D Standard Compliant Marine Ball Valve, 304 Stainless Steel, Fire-Safe Design, Reduced Port photo-4

API 6D Standard Compliant Marine Ball Valve, 304 Stainless Steel, Fire-Safe Design, Reduced Port photo-5

Product Spotlights

API 6D compliant marine ball valve for critical offshore applications. Features fire-safe certified design with secondary metal seal, constructed from corrosion-resistant 304 stainless steel. Reduced port optimizes flow control and torque. Offers reliability, safety compliance, and long service life for oil & gas, petrochemical, and marine industries.

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

Key Specifications

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Material:

Other, 304 Stainless Steel Body and Trim

Application:

Other, Marine

Design Standard:

API 6D Standard Compliant

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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
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Material Other, 304 Stainless Steel Body and Trim

Application Other, Marine

Design Standard API 6D Standard Compliant

Port Type Reduced (Regular) Port

Fire Safety Fire-Safe Design Certified

Connection Type Flanged End (Standard), Others Optional

Pressure Rating Class 150, 300, 600, 900, 1500, 2500

Seat Material Reinforced PTFE, Metal, Other Options Available

Operation Lever, Gear, Pneumatic, Electric Actuator Optional

Size Range 1/2 inch to 48 inch (DN15 to DN1200)

As a leading manufacturer with ISO9001 certified quality management, Shanghai Zhibang Valve is proud to present our high-performance Marine Ball Valve engineered to meet the rigorous demands of offshore and marine applications. This valve is specifically designed to comply with the stringent API 6D standard, ensuring reliability and safety in critical fluid control systems. Constructed from premium 304 Stainless Steel, it offers exceptional corrosion resistance in harsh marine environments, while its fire-safe design provides an added layer of protection against potential fire hazards. The reduced port configuration optimizes flow control with a balanced approach to pressure drop and operational efficiency, making it a versatile and dependable choice for engineers and procurement specialists worldwide.

Our commitment to precision engineering and stringent quality control, backed by our annual export value of US$1-1.5 million to global markets, is embedded in every valve we produce. We understand the critical nature of marine operations, where equipment failure is not an option. This valve is built to deliver long-lasting performance, minimize maintenance downtime, and provide a secure sealing solution for a wide range of media, from seawater and ballast to fuels and chemicals.

Core Technical Specifications & Features:

Robust Construction & Compliance: The valve body, ball, and stem are crafted from ASTM A351 CF8 (304 Stainless Steel), offering excellent resistance to pitting, crevice corrosion, and stress corrosion cracking. Full compliance with API 6D, API 608, and ISO 17292 standards for design, testing, and fire safety is a cornerstone of its design.
Certified Fire-Safe Design: Incorporates a secondary metal-to-metal sealing system. In the event of a fire that degrades the primary soft seats, this secondary seal engages to maintain a bubble-tight shut-off, meeting the requirements of API 607/API 6FA, ISO 10497, and BS 6755 Part 2.
Optimized Reduced Port Design: Features a bore diameter smaller than the pipeline's nominal diameter. This design offers a favorable balance, providing better flow control than a standard port while maintaining a lower torque and more compact design compared to a full port valve, ideal for throttling applications.
Advanced Sealing Technology: Utilizes reinforced PTFE (RPTFE) or PEEK seats as standard, ensuring low operating torque and reliable sealing across a wide temperature range. Alternative seat materials like metal (Inconel, Stellite) are available for high-temperature or abrasive service.
Enhanced Stem Design: Features an anti-blowout stem design integrated with a reinforced stem seal packing (e.g., graphite) to prevent stem ejection under pressure and ensure long-term, leak-free operation.
Versatile Actuation Options: Available with manual lever or gear operation. Can be easily fitted with pneumatic (double-acting or spring-return) or electric actuators for remote or automated process control, supporting integration into SCADA systems.

Key Advantages for Your Operations:

Maximized Uptime & Reduced Lifecycle Cost: The combination of corrosion-resistant 304 SS and durable sealing materials drastically extends service intervals and valve life, reducing total cost of ownership through fewer replacements and lower maintenance.
Uncompromised Safety in Critical Environments: The fire-safe certification and API 6D compliance provide documented assurance for use in safety-critical applications on platforms, FPSOs, tankers, and coastal facilities, helping meet regulatory and insurance requirements.
Superior Flow Management: The reduced port design offers precise modulation capability for applications requiring flow control, while still maintaining a robust seal in the closed position, enhancing process efficiency.
Global Supply Chain Compatibility: With flanged ends conforming to ASME B16.5, DIN, or JIS standards, and shipment available from major ports like Shanghai, Guangzhou, and Hong Kong, integration into your existing global projects is seamless and efficient.

Parameter	Specification / Value
Design & Testing Standard	API 6D, API 608, ISO 17292
Fire Test Standard	API 607 / API 6FA, ISO 10497
Pressure-Temperature Rating	ASME B16.34
Face-to-Face Dimensions	ASME B16.10, ISO 5752
Flange Dimensions & Drilling	ASME B16.5 (Standard), DIN, JIS, BS available
Test Standards	Shell Test: API 598 / ISO 5208; Seat Test: API 598
Standard Operating Temperature	-20°C to +200°C (with PTFE seats). Extended ranges customizable.

Frequently Asked Questions (FAQ):

Q: What is the main advantage of choosing an API 6D compliant ball valve over a standard one?
A: API 6D is a pipeline valve-specific standard with stricter requirements on design, material, testing (including extended duration seat tests), and documentation. It is often mandated for critical service in oil, gas, and marine pipelines, ensuring a higher, verifiable level of quality and reliability.
Q: How does the 'fire-safe' feature actually work in this valve?
A: The valve incorporates a secondary sealing system, typically involving metal seats or a special stem seal arrangement. During a fire, the primary polymer seats may melt. The design ensures that thermal expansion or spring-loaded mechanisms force the secondary metal components to create a seal, preventing catastrophic leakage.
Q: When should I specify a reduced port valve instead of a full port valve?
A: A reduced port valve is an excellent choice when you need good throttling control, are working with space or weight constraints, or when the system design allows for a slightly higher pressure drop. It is often more cost-effective and requires lower operating torque than a full port valve of the same size.
Q: Is 304 Stainless Steel suitable for seawater applications?
A: 304 SS offers good general corrosion resistance. For continuous immersion in seawater or highly chlorinated environments, 316L or super duplex stainless steels are recommended for superior pitting resistance. We offer these materials as alternatives upon request.
Q: Can this valve be automated, and what are the lead times for actuated versions?
A: Yes, the valve is designed with a standardized mounting pad according to ISO 5211, making it compatible with a wide range of pneumatic, hydraulic, and electric actuators from major brands. Lead times for actuated packages vary; please inquire with your specific requirements.
Q: What documentation is provided with the valve?
A: Each valve is supplied with a comprehensive data pack, which typically includes a Material Test Certificate (MTC/CMTR), Certificate of Conformance, hydrostatic test report, and if applicable, a fire test certificate. Full traceability is maintained.
Q: Do you offer customization for special project requirements?
A: Absolutely. As a manufacturer, we can customize various aspects including special trim materials (e.g., Alloy 20, Hastelloy), extended bonnets, cryogenic or high-temperature designs, anti-static devices, and lockable devices. Contact us with your specifications.
Q: What are the main shipping and packaging details?
A: Valves are securely packaged in wooden crates with internal protection to prevent damage during transit. We ship globally from key Chinese ports including Shanghai, Guangzhou, and Hong Kong, and can accommodate various Incoterms as required.

Trust in the proven expertise of Shanghai Zhibang Valve, a manufacturer with a solid track record since 2016 and a consistent annual export value demonstrating our global reach and reliability. Our valves are trusted partners in demanding projects across North America, Europe, Southeast Asia, the Middle East, and beyond. By choosing our API 6D Marine Ball Valve, you are not just purchasing a component; you are investing in operational safety, regulatory compliance, and long-term performance assurance. We encourage you to contact our technical sales team to discuss your specific application needs, request detailed quotations, or arrange for product samples. Let us provide you with a valve solution that stands up to the challenge.

Product Tags: Marine Ball Valve API 6D , Fire Safe Stainless Steel Ball Valve , Reduced Port Ball Valve