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Home > Industrial Equipment & Components > Valve > Butterfly Valve > API 609 Marine Butterfly Valve With Extended Warranty and Full Mill Test Documentation

API 609 Marine Butterfly Valve With Extended Warranty and Full Mill Test Documentation

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Product Spotlights

API 609 compliant marine butterfly valve designed for corrosive offshore environments. Features include extended warranty for long-term reliability and full mill test documentation for material traceability. Available in various sizes (DN50-600), materials (steel, stainless, duplex), and actuation options. Manufactured under ISO9001 system, shipped globally from major Chinese ports.

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

Key Specifications

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Standard:

API 609, ISO9001 Quality System

Application:

Other, Marine

Material:

Cast 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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Standard API 609, ISO9001 Quality System

Application Other, Marine

Material Cast Steel, Stainless Steel, Duplex Steel

Size Range DN50 to DN600 (2“ to 24“)

Configuration Wafer or Lug Body Design

End Connection Flanged Ends

Seat Material PTFE, EPDM, Metal

Disc Material Stainless Steel, Nickel Plated

Actuation Manual Gearbox, Electric, Pneumatic

Warranty Extended Warranty Program Available

Shanghai Zhibang Valve Manufacture Co., Ltd., established in 2016, is a dedicated manufacturer specializing in high-performance industrial valves. With an annual export value ranging between US$1 Million and US$1.5 Million, we have built a strong reputation in markets across North America, South America, Europe, Asia, Africa, and Oceania. Our core commitment is to deliver valves that combine rigorous engineering with reliable service. This API 609 Marine Butterfly Valve exemplifies our philosophy. It is engineered not just to meet a standard, but to exceed expectations in demanding marine and offshore applications, backed by an extended warranty and comprehensive full mill test documentation that provides unparalleled traceability and quality assurance.

This valve is designed for critical service where reliability, corrosion resistance, and ease of operation are paramount. Below are its key features and specifications:

API 609 Compliance: Manufactured in accordance with API Standard 609 for Butterfly Valves, ensuring design, materials, and testing meet recognized industry benchmarks for industrial applications.
Marine-Grade Construction: Materials are selected specifically for seawater, brackish water, and offshore environment resistance, combating corrosion and erosion.
Full Mill Test Documentation: Every valve is accompanied by a complete set of mill test reports (MTRs) for all major components, providing verifiable proof of material chemistry and mechanical properties.
Extended Warranty Program: We offer an extended warranty beyond standard terms, reflecting our confidence in the product's durability and our commitment to long-term customer support.
Versatile Actuation Options: Available with manual gear operators, electric actuators, or pneumatic actuators to suit various control system requirements.
Robust Seat & Disc Design: The seat and disc combination is optimized for tight shut-off, low operating torque, and long service life even with abrasive media.

The technical specifications for our standard range are detailed in the following table:

Parameter	Specification / Range
Standard	API 609
Body Materials	Cast Steel (WCB), Stainless Steel (CF8M/316), Duplex Steel
Size Range (DN)	50, 80, 100, 150, 200, 250, 300, 350, 400, 450, 500, 600
Size Range (Inches)	2", 3", 4", 6", 8", 10", 12", 14", 16", 18", 20", 24"
Pressure Rating	Class 150, Class 300 (customizable)
Seat Materials	PTFE (Standard), EPDM, Metal Seat (for high temp)
Disc Materials	Stainless Steel (316), Nickel Plated Carbon Steel
End Connection	Flanged (RF or RTJ), Wafer or Lug Style
Temperature Range	-20°C to +200°C (dependent on seat material)
Operation	Manual (Gear), Electric Actuator, Pneumatic Actuator

Benefits for Your Project:

Enhanced Reliability: API 609 design and marine-grade materials reduce failure risk in corrosive environments, minimizing downtime.
Quality Transparency: Full mill test documentation allows your QA team to verify material integrity, simplifying compliance and audit processes.
Long-Term Cost Savings: The extended warranty and durable construction lower lifecycle costs through reduced maintenance and replacement needs.
Global Supply Flexibility: We ship from major ports including Shanghai, Guangzhou, Hong Kong, and Beijing, ensuring efficient logistics to your location worldwide.
System Integration Ease: Standard flanged connections and multiple actuation options facilitate straightforward installation into existing piping systems.

Shanghai Zhibang operates under an ISO9001 certified quality management system, which governs every stage of our manufacturing process from material sourcing to final testing. Our global reach, serving markets from Eastern Europe to Oceania, is testament to the consistent quality and reliability our clients depend on. When you choose this API 609 Marine Butterfly Valve, you are not just purchasing a component; you are investing in a solution backed by documented quality, a manufacturer's warranty commitment, and a company with proven international export capability. We encourage you to contact us for detailed quotations, technical consultations, or to request sample mill test documentation to verify our standards firsthand.

Frequently Asked Questions (FAQ)

Q: What does "API 609" mean for this butterfly valve?
A: API 609 is an American Petroleum Institute standard that specifies requirements for design, materials, dimensions, testing, and marking of butterfly valves used in industrial applications. Compliance ensures the valve meets recognized industry benchmarks for performance and safety.
Q: Why is full mill test documentation important?
A: Mill Test Reports (MTRs) provide certified data on the chemical composition and mechanical properties (like tensile strength) of the raw materials used (body, disc, etc.). This documentation is crucial for quality verification, regulatory compliance, and traceability in critical projects.
Q: What is covered under the extended warranty?
A: The extended warranty typically covers defects in materials and workmanship for a period longer than standard industry offerings. Specific terms (duration, coverage scope) are provided upon request and are part of our sales agreement.
Q: Can this valve be used in freshwater systems or other industries?
A: Yes. While optimized for marine corrosion resistance, the robust construction and API 609 compliance make it suitable for a wide range of industrial applications including oil & gas, power generation, chemical processing, and water treatment.
Q: What actuation options are available?
A: We supply valves with manual gear operators for hand operation. For automated control, electric actuators (with various control signals) and pneumatic actuators (cylinder type) are available as optional accessories.
Q: How do I determine the correct seat material (PTFE, EPDM, Metal)?
A: Selection depends on service media and temperature. PTFE is common for general chemical resistance, EPDM is suitable for water services, and metal seats are used for higher temperature applications. Our technical team can assist based on your process parameters.
Q: What are the main shipping ports and lead times?
A: We ship from Shanghai, Guangzhou, Hong Kong, and Beijing ports. Lead times vary based on size, material, and actuation requirements; standard configurations typically have shorter delivery schedules. Exact timelines are provided with your quotation.
Q: Does the ISO9001 certification apply to this specific product?
A: Yes. Our company's ISO9001 certification covers our entire manufacturing and quality control system, which directly applies to the production, testing, and documentation of this API 609 butterfly valve.