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Home > Industrial Equipment & Components > Valve > Ball Valve > 316 Stainless Steel Trim API 6D Marine Ball Valve, Full Port Design

316 Stainless Steel Trim API 6D Marine Ball Valve, Full Port Design

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Product Spotlights

Engineered for demanding marine and industrial use, this API 6D ball valve features a full-port 316 stainless steel construction for superior corrosion resistance and minimal flow restriction. Its compliance with rigorous industry standards ensures reliability and safety in critical applications like offshore platforms, shipbuilding, and chemical processing. Designed for longevity with versatile actuation and seat options, it reduces maintenance and operational costs while providing efficient, leak-tight performance.

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

Key Specifications

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Material:

Other, 316 Stainless Steel Body and Trim

Application:

Other, Marine

Design Standard:

API 6D

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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, 316 Stainless Steel Body and Trim

Application Other, Marine

Design Standard API 6D

Port Type Full Port (Full Bore)

End Connection Screwed (Threaded) or Flanged

Pressure Rating Class 150, 300, 600 (Customizable)

Operation Lever Handle, Gear Operator, Pneumatic/Hydraulic Actuator (Optional)

Seat Material PTFE, Reinforced PTFE, Metal Seated (Available)

Fire Safe Design Optional API 607/6FA Fire Safe Certification

Temperature Range -29°C to 200°C (-20°F to 392°F) Standard

As a professional valve manufacturer established in 2016, Shanghai Zhibang Valve Manufacture Co., Ltd. specializes in providing high-performance fluid control solutions for demanding industrial and marine applications. Our 316 Stainless Steel Trim API 6D Marine Ball Valve with Full Port Design represents our commitment to engineering excellence, combining robust construction, superior corrosion resistance, and reliable operation under the harshest conditions. Engineered to meet the stringent requirements of marine, offshore, and critical process industries, this valve is designed for long service life, minimal maintenance, and optimal flow efficiency, making it a trusted component for shipbuilders, oil & gas operators, and engineering contractors worldwide.

This valve is meticulously manufactured to comply with the API 6D specification for pipeline valves, ensuring performance integrity for isolation and control services in piping systems. The use of 316 stainless steel for all wetted trim parts provides exceptional resistance to pitting and crevice corrosion, particularly in chloride-rich environments like seawater. The full port (full bore) design minimizes pressure drop across the valve, allowing for near-unrestricted flow, which is crucial for pigging operations and maintaining system efficiency.

Key Features & Technical Advantages:

Superior Material Selection: The valve body and critical trim components are constructed from ASTM A351 CF8M (316 stainless steel) investment castings, offering excellent mechanical properties and corrosion resistance superior to standard 304 stainless steel.
API 6D Compliance: Manufactured according to API Specification 6D for Pipeline Valves, covering design, manufacturing, and testing, ensuring reliability for oil, gas, water, and chemical pipelines.
Full Port Design Benefit: The bore diameter matches the internal diameter of the connecting pipe, reducing turbulence and pressure loss. This design is ideal for applications requiring straight-through flow, pigging, or where a high Cv (flow coefficient) is necessary.
Robust Stem Design: Features a blow-out proof stem design integrated with the ball, enhancing safety and preventing stem ejection under pressure. The stem is sealed with multiple sets of packing rings for reliable, long-term sealing.
Versatile Seat Options: Available with soft seats (PTFE or reinforced PTFE) for tight shut-off in general service, or metal-seated versions for high-temperature or abrasive service. Fire-safe design per API 607/6FA is an optional feature.
Multiple Actuation Methods: Can be supplied with a standard lever handle for manual operation, a gear operator for high-torque applications, or prepared for the easy installation of pneumatic, hydraulic, or electric actuators for remote and automated control.
Extended Service Life: The precision-machined ball and seat ensure low operating torque and reliable sealing over thousands of cycles. Superior material choice combats degradation from seawater, chemicals, and atmospheric exposure.

Detailed Technical Specifications:

Parameter	Specification
Design & Manufacturing Standard	API 6D, ASME B16.34
Pressure-Temperature Rating	ASME B16.34 Class 150, 300, 600 (Common)
Face-to-Face Dimensions	API 6D, ASME B16.10
End Connection Standards	Threaded: ASME B1.20.1 (NPT) Flanged: ASME B16.5 (RF or RTJ)
Test Standards	API 598 / ISO 5208 (Valve Tests) API 6D (Additional Requirements)
Temperature Range (Standard Seat)	-29°C to 200°C (-20°F to 392°F)
Body & Trim Material	ASTM A351 CF8M (316 SS)
Seat & Seal Material (Standard)	PTFE or Reinforced PTFE (RPTFE)
Stem Seal	Graphite or PTFE Packing with Inconel Springs

Applications & Customer Benefits:

Marine & Shipbuilding: Ideal for seawater cooling lines, ballast systems, fuel lines, firefighting systems, and general shipboard service water lines. Its corrosion resistance is critical for longevity in saltwater environments.
Offshore Oil & Gas: Suitable for platform piping, produced water handling, and utility services on FPSOs and rigs. API 6D compliance is often a project requirement.
Chemical & Process Industries: Handles a wide range of corrosive chemicals, acids, and caustic solutions where 316 SS is specified. The full port design prevents clogging in slurry or viscous media.
Power Generation: Used in auxiliary cooling water systems and chemical dosing lines in coastal or offshore power plants.
Benefit Summary: Customers gain a durable, low-maintenance valve that reduces lifecycle costs, ensures system reliability and safety through API standards compliance, and provides operational efficiency with its full-port flow characteristics.

Backed by our ISO9001-certified quality management system and nearly a decade of manufacturing expertise since 2016, Shanghai Zhibang guarantees consistent product quality and performance. Our global reach, with exports valued between US$1-1.5 million annually to markets across North and South America, Europe, Asia, Africa, and Oceania, is a testament to the reliability of our valves. We offer flexible logistics from major Chinese ports like Shanghai, Guangzhou, Hong Kong, and Beijing. For your next marine, offshore, or critical process project requiring a high-integrity, full-port ball valve built to API 6D with superior 316 stainless steel trim, contact us for a competitive quotation and detailed technical support. Let our engineered solutions enhance the safety and efficiency of your fluid systems.

Frequently Asked Questions (FAQ):

Q: What is the key difference between "Trim" and "Body" material being 316 Stainless Steel?
A: In valve terminology, "trim" typically refers to the internal, wetted parts exposed to the flow medium (like the ball, stem, and seat). Specifying "316 Stainless Steel Trim" means these critical wear parts are made of 316 SS, offering high corrosion resistance. Often, the body is also 316 SS, but confirming both is essential for full corrosion protection.
Q: Why is API 6D specification important for a marine ball valve?
A: API 6D is the industry standard for pipeline valves, covering design, material, manufacturing, testing, and marking requirements. For marine and offshore applications, especially in oil and gas, compliance with API 6D is frequently mandated by engineering specifications to ensure valve integrity, safety, and interchangeability.
Q: When should I choose a Full Port design over a Standard Port ball valve?
A: Choose a Full Port valve when minimizing pressure drop is critical, for pigging (pipeline cleaning) operations, or when handling viscous fluids, slurries, or dry bulk solids. Standard port valves are more compact and cost-effective for general purposes where slight pressure loss is acceptable.
Q: Can this valve be used for seawater service?
A: Yes, the use of 316 Stainless Steel, which has added molybdenum for enhanced resistance to chloride-induced pitting and crevice corrosion, makes this valve suitable for seawater, brackish water, and other chloride-containing environments. For highly aerated or high-velocity seawater, more specialized alloys might be recommended.
Q: What actuation options are available?
A: The valve can be supplied with a manual lever handle, a worm gear operator for high torque or large diameters, or it can be prepared (drilled and tapped) for the direct mounting of pneumatic (double-acting or spring-return), hydraulic, or electric actuators for automated control systems.
Q: Is a fire-safe version available?
A: Yes, we can provide fire-safe design options that comply with standards like API 607 or API 6FA. These versions include secondary metal seals that engage to maintain sealing integrity in case the primary soft seals are damaged by fire.
Q: What pressure classes do you typically offer?
A: Commonly available pressure classes are ASME Class 150, 300, and 600. The suitable class depends on your system's maximum working pressure and temperature. We can advise based on your specific application parameters.
Q: Do you provide documentation like test reports and material certificates?
A: Yes, as a manufacturer with an ISO9001 system, we provide essential documentation, including material test certificates (MTC), factory acceptance test reports per API 598, and a full set of operational manuals. Specific certifications like NACE or ATEX are available upon request.