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Home > Industrial Equipment & Components > Valve > Butterfly Valve > Marine Butterfly Valve Supplied With Full Material Mill Test Report Package

Marine Butterfly Valve Supplied With Full Material Mill Test Report Package

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Product Spotlights

Marine-grade butterfly valve with guaranteed material traceability via a full Mill Test Report package. Ensures compliance, simplifies class approval, and enhances safety for seawater, ballast, and cooling systems on ships and offshore platforms. Available in a wide size range with multiple material and actuation options from an ISO 9001 certified manufacturer.

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

Key Specifications

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Application:

Other, Marine Shipbuilding

Standard:

ISO 9001 Quality Management System

Material:

Carbon Steel, Stainless Steel, Duplex Steel

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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
Company Profile
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Application Other, Marine Shipbuilding

Standard ISO 9001 Quality Management System

Material Carbon Steel, Stainless Steel, Duplex Steel

Size Range DN50 to DN1200 (2“ to 48“)

Connection Type Wafer, Lug, Flanged

Actuation Manual Lever/Gear, Electric, Pneumatic

Seat Material EPDM, NBR, PTFE, Metal

Disc Material Stainless Steel, Coated Carbon Steel

Pressure Rating PN10, PN16, PN25, ANSI 150, ANSI 300

Test Report Full Material Mill Test Report Package Included

As a professional manufacturer with ISO 9001 certification, Shanghai Zhibang Valve Manufacture Co., Ltd. specializes in providing high-performance marine valves that meet the rigorous demands of global shipbuilding and offshore industries. Our Marine Butterfly Valve, supplied with a complete Full Material Mill Test Report (MTR) Package, is engineered for reliability and traceability in critical marine applications. This product represents our commitment to quality and transparency, offering peace of mind to shipyards, naval architects, and marine engineers who require verifiable material integrity for their projects.

The valve is designed to control and isolate the flow of seawater, ballast, cooling water, fuel, and other fluids on vessels and offshore structures. The inclusion of a comprehensive MTR package is not just an added feature; it is a core component of our value proposition, ensuring every valve's material composition is documented from the mill source. This traceability is crucial for classification society approvals, routine surveys, and long-term asset management.

Key Features & Technical Advantages:

Full Material Traceability: Each valve is supplied with a complete set of Mill Test Reports for all major components (body, disc, stem, seat). This provides chemical analysis and mechanical property data, verifying compliance with specified standards.
Robust Construction for Marine Environment: We use materials specifically selected for corrosion resistance in seawater, such as 316/316L stainless steel, duplex steels, and coated carbon steels. The design minimizes crevices where corrosion can initiate.
Versatile Actuation Options: Available in manual (lever or gear), electric, and pneumatic actuation to suit different system automation requirements and space constraints onboard.
Bubble-Tight Shut-Off: Precision-machined disc and high-performance seat materials (like PTFE or EPDM) ensure reliable, bubble-tight sealing even after prolonged cycling, essential for system integrity.
Low Maintenance & Easy Operation: The simple yet robust design ensures minimal maintenance needs. The quarter-turn operation allows for quick opening and closing, which is vital during emergency procedures.
Compliance with Marine Standards: Valves are manufactured to meet common marine standards and can be produced to suit specific requirements from classification societies like ABS, DNV, LR, BV, etc.

Detailed Technical Specifications:

Parameter	Specifications
Size Range	DN50 to DN1200 (2" to 48")
Pressure Rating	PN10, PN16, PN25, ANSI 150, ANSI 300
Connection Types	Wafer, Lug, Double Flanged
Body Material	Carbon Steel (WCB), Stainless Steel (CF8/CF8M), Duplex Steel
Disc Material	Stainless Steel (SS316), Coated Carbon Steel, Aluminum Bronze
Seat Material	EPDM, NBR, Viton, PTFE, Metal Seat (for high temp)
Stem Material	Stainless Steel (SS416/SS304), with optional sealing
Temperature Range	-20°C to +200°C (depends on seat material)
Operation	Manual Lever, Manual Gearbox, Electric Actuator, Pneumatic Actuator
Standards	ISO 5752, API 609, BS 5155, ISO 9001 (Manufacturing)

Benefits for Your Marine Projects:

Streamlined Approval Process: The ready availability of full MTRs significantly speeds up the material review and approval process with classification societies and client QA/QC teams.
Enhanced Safety & Reliability: Verified materials mean predictable performance under harsh marine conditions, reducing the risk of in-service failure.
Lifecycle Cost Reduction: Durable construction and proven materials lead to longer service intervals and lower total cost of ownership over the vessel's life.
Global Supply Chain Support: With annual export values between US$1 Million and US$1.5 Million and shipments from major ports like Shanghai, Guangzhou, Hong Kong, and Beijing, we reliably supply markets across North and South America, Europe, Asia, Africa, and Oceania.

Our established presence since 2016 and our ISO 9001 certified manufacturing processes ensure consistent quality. We understand the critical nature of marine components, which is why we embed traceability into our core offering. Choosing our Marine Butterfly Valve with a Full Material Mill Test Report Package is an investment in project certainty, operational safety, and long-term asset value. Contact us today to discuss your specific requirements and receive detailed documentation samples.

Frequently Asked Questions (FAQ):

What exactly is included in the "Full Material Mill Test Report Package"?
The package includes individual Mill Test Reports (MTRs) or Certificates from the raw material producer for the valve body, disc, stem, and other major metallic components. Each report details the heat/charge number, chemical composition, and mechanical properties.
Are these valves suitable for seawater applications?
Yes, they are specifically designed for marine environments. Material combinations like 316 stainless steel body/disc with EPDM seats are common for seawater service, offering excellent corrosion resistance.
Can you provide valves that meet specific classification society rules (e.g., ABS, DNV GL, Lloyd's Register)?
Yes, we regularly manufacture valves to meet the requirements of major classification societies. Please specify your needed approvals during inquiry, and we will confirm our capability and any necessary certification procedures.
What are the available pressure ratings and sizes?
We offer a wide range from DN50 (2") to DN1200 (48") with pressure ratings including PN10/16/25 and ANSI 150/300. Custom sizes and pressure classes can be discussed.
What types of actuators can be fitted?
We supply valves with manual levers, manual gearboxes, electric actuators, or pneumatic actuators. The actuator can be mounted and tested at our factory before shipment.
What is the typical lead time for an order?
Lead time depends on the specification, quantity, and current production schedule. For standard configurations, it typically ranges from 4 to 8 weeks. We provide accurate timelines upon receipt of your detailed inquiry.
Do you offer any warranty on these valves?
Yes, we provide a standard warranty against material and workmanship defects. The specific warranty period and terms are provided with our commercial quotation.
How do you ensure quality control during manufacturing?
Our ISO 9001 certified quality management system governs the entire process, from material inspection (supported by MTRs) to machining, assembly, and final testing (including shell test, seat test, and operational test).