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Home > Industrial Equipment & Components > Valve > Other Valves & Parts > Triple Eccentric Marine Butterfly Valve Supplied With Full Mill Test Report and 2-year Warranty

Triple Eccentric Marine Butterfly Valve Supplied With Full Mill Test Report and 2-year Warranty

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Triple Eccentric Marine Butterfly Valve Supplied With Full Mill Test Report and 2-year Warranty photo-5

Product Spotlights

Triple eccentric design ensures bidirectional zero leakage and long service life by eliminating seat friction. Ideal for harsh marine & industrial applications. Supplied with full material traceability (mill test reports) and backed by a reliable 2-year manufacturer warranty. ISO 9001 certified production ensures consistent quality for global projects.

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

Key Specifications

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Type:

Triple Eccentric Marine Butterfly Valve

Material (Body/Disc/Seat):

Carbon Steel / Stainless Steel / Metal Seal

Size Range (DN):

DN50 - DN2000 (Customizable)

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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Type Triple Eccentric Marine Butterfly Valve

Material (Body/Disc/Seat) Carbon Steel / Stainless Steel / Metal Seal

Size Range (DN) DN50 - DN2000 (Customizable)

Pressure Rating (PN) PN10 - PN40 (Customizable)

Operation Manual Gear, Electric Actuator, Pneumatic Actuator

Sealing Performance Bidirectional Zero Leakage, Fire-Safe Design

Application Marine & Offshore, Oil & Gas, Petrochemical

Standard ISO 9001 Quality Management System

Warranty 2-Year Manufacturer Warranty

Documentation Full Mill Test Report Supplied

As a leading manufacturer with ISO 9001 certification, Shanghai Zhibang Valve Manufacture Co., Ltd. specializes in engineering robust fluid control solutions for demanding global industries. Our Triple Eccentric Marine Butterfly Valve represents a pinnacle of reliability and performance, specifically designed to withstand the harsh conditions of marine, offshore, and critical process applications. We combine advanced manufacturing with stringent quality control, ensuring every valve is supplied with a comprehensive mill test report and backed by a solid 2-year warranty, providing our international clients with unparalleled confidence and value.

This valve is engineered for superior sealing and long service life. The triple eccentric design is the key to its exceptional performance:

First Eccentric (Shaft Offset): The shaft is positioned behind the disc centerline, allowing the disc to lift completely away from the seat during the initial 10 degrees of opening, eliminating seat friction and wear.
Second Eccentric (Shaft Axis Offset): The shaft axis is offset from the pipe and valve centerline, creating a cam action that further reduces operating torque and ensures smooth, low-friction operation.
Third Eccentric (Seat Cone Angle): The conical seat surface is angled relative to the valve centerline. This geometry ensures a wedging, self-compensating seal. As pressure increases, the metal-to-metal seal becomes tighter, guaranteeing bidirectional zero leakage even under high-pressure differentials.

Beyond the core design, our valves incorporate numerous features for enhanced durability and safety:

Fire-Safe Design: In the event of a fire, the primary metal seal maintains integrity. An optional secondary resilient seal provides an additional safety barrier, compliant with common fire-safe standards like API 607/API 6FA.
Corrosion Resistance: Critical components like the disc and seat are often crafted from high-grade stainless steel or special alloys (upon request) to resist corrosion from seawater, chemicals, and sour gas.
Robust Construction: The body is made from forged or cast carbon steel/WCB, offering high strength and impact resistance for offshore and pipeline service.
Versatile Actuation: Available with manual gear operators, electric actuators, or pneumatic actuators for remote and automated control integration.

The technical specifications can be customized to meet specific project requirements. Below is a standard reference table:

Parameter	Specification
Design Standard	API 609, ISO 10631, MSS SP-68
Face-to-Face	API 609 / ISO 5752 Series 20
Test Standard	API 598, ISO 5208
Leakage Class	Class VI (Soft Seat) / Zero Leakage (Metal Seat)
Temperature Range	-29°C to 425°C (with appropriate materials)
End Connection	Wafer, Lug, Double Flange

Choosing our Triple Eccentric Marine Butterfly Valve delivers significant benefits for your operations:

Reduced Lifetime Cost: Minimal maintenance, no lubrication requirements, and exceptional wear resistance lead to lower total cost of ownership.
Enhanced System Safety: The reliable, bubble-tight seal prevents product loss and environmental contamination, crucial for hazardous fluid handling.
Operational Efficiency: Low operating torque allows for smaller, more cost-effective actuators and reduces operator strain.
Project Compliance: Full traceability with mill test reports for all major components simplifies documentation for QA/QC procedures in shipbuilding, oil & gas, and chemical projects.

Trust is built on proven performance and reliable support. Since our establishment in 2016, Shanghai Zhibang Valve has consistently delivered high-quality valves to a global clientele across North America, South America, Europe, Asia, Africa, and Oceania, with an annual export value reaching up to US$1.5 Million. Our ISO 9001 certified manufacturing process ensures every valve meets rigorous standards. We support your supply chain with flexible shipment options from major ports like Shanghai, Guangzhou, and Hong Kong. The included 2-year warranty and full mill test documentation are not just promises—they are our commitment to your project's success. Contact us today to discuss how our triple eccentric valves can provide a reliable, long-term solution for your most challenging fluid control applications.

Frequently Asked Questions (FAQ)

What is the main advantage of a triple eccentric design over a double or single eccentric valve?
The triple eccentric design completely eliminates friction between the disc and seat during opening/closing, drastically reducing wear. The conical seat angle creates a self-energizing seal that tightens under pressure, ensuring reliable, long-lasting zero leakage in both flow directions, which is critical for isolation services.
Is this valve suitable for seawater applications?
Yes, it is designed for marine environments. We recommend specifying materials like 316 stainless steel for the disc and seat, and optionally applying corrosion-resistant coatings on the body to enhance longevity against saltwater corrosion.
What does the "Full Mill Test Report" include?
The report provides traceable documentation for the raw materials used in critical pressure-containing parts (body, disc, stem). It typically includes chemical composition analysis, mechanical property tests (tensile, yield strength, impact), and heat treatment certificates, verifying material conformity to ordered specifications.
Can the valve be customized for specific pressure ratings or sizes?
Absolutely. While our standard range covers DN50 to DN2000 and PN10 to PN40, we can engineer valves to meet custom pressure classes (like ANSI 150, 300, 600) and special dimensions upon request to fit your project piping specifications.
What types of actuators are compatible?
The valve is designed to interface with standard manual gearboxes, electric actuators, and pneumatic actuators (double-acting or spring-return). We can supply the valve as a manual unit or provide a fully assembled actuated package tailored to your control system requirements.
How does the 2-year warranty work?
Our warranty covers defects in materials and workmanship under normal use for a period of two years from the date of shipment. Should any covered issue arise, we will repair or replace the valve, providing strong after-sales support to ensure your operational continuity.
Is the valve fire-safe certified?
Our standard design incorporates fire-safe principles. For projects requiring specific certification, we can provide valves tested and certified to standards like API 607/6FA or ISO 10497 upon request. Please specify this requirement during inquiry.
What is the typical delivery lead time?
Lead time varies based on size, material, and quantity. Standard configurations typically have shorter lead times. We provide estimated schedules upon order confirmation and leverage our efficient logistics from multiple Chinese ports to ensure timely delivery to global markets.