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Home > Industrial Equipment & Components > Valve > Butterfly Valve > API 609 Fire Safe Marine Butterfly Valve With Metal Seats and Cast Steel Body

API 609 Fire Safe Marine Butterfly Valve With Metal Seats and Cast Steel Body

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API 609 Fire Safe Marine Butterfly Valve With Metal Seats and Cast Steel Body photo-5

Product Spotlights

API 609 compliant fire-safe marine butterfly valve with secondary metal seats for critical sealing during fire emergencies. Features a durable cast steel body for harsh environments, offers bidirectional shut-off, and is available in various sizes and actuation types. Designed for safety, reliability, and low lifecycle cost in marine and industrial applications.

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

Key Specifications

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Application:

Other, Marine

Body Material:

Cast Steel (WCB, LCB, etc.)

Seat Material:

Metal (e.g., Stainless Steel, Inconel)

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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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Application Other, Marine

Body Material Cast Steel (WCB, LCB, etc.)

Seat Material Metal (e.g., Stainless Steel, Inconel)

Design Standard API 609

Fire Safe Certification API 607 / API 6FA / ISO 10497

Connection Type Wafer, Lug, Double Flange

Operation Type Lever, Gear, Electric Actuator

Size Range 2 inch to 48 inch (DN50 to DN1200)

Pressure Rating Class 150 to Class 600

As a leading manufacturer with ISO9001 certification, Shanghai Zhibang Valve is dedicated to engineering robust and reliable flow control solutions for the most demanding industrial and marine environments. Our API 609 Fire Safe Marine Butterfly Valve with Metal Seats and Cast Steel Body represents the pinnacle of safety and durability, specifically designed to maintain critical sealing integrity during fire emergencies. This valve is engineered to provide exceptional performance in offshore platforms, tankers, and petrochemical plants where fire safety is non-negotiable. We combine advanced manufacturing expertise with stringent quality control to deliver a product that offers long-term reliability and peace of mind for our global clientele across North America, Europe, Southeast Asia, and beyond.

The core value of this valve lies in its fire-safe design. In the event of a fire, the primary soft seal may degrade, but the secondary metal-to-metal seat contact ensures a tight seal, preventing catastrophic fluid release. This critical feature is rigorously tested to meet international fire safety standards.

Key Features and Technical Advantages:

Superior Fire Safety: Compliant with API 607, API 6FA, or ISO 10497 standards, the valve is tested to withstand high temperatures and maintain sealing capability, providing an essential layer of protection for personnel and assets.
Robust Construction: The cast steel body (grades like WCB, LCC, WC6) offers excellent mechanical strength and corrosion resistance, suitable for harsh marine and industrial atmospheres.
High-Performance Metal Seats: Seats made from stainless steel, Monel, or Inconel provide exceptional wear resistance, handling abrasive media, high temperatures, and high-pressure drops where elastomeric seats would fail.
API 609 Design: This standard ensures the valve meets stringent requirements for design, materials, and pressure-temperature ratings, guaranteeing interchangeability and reliability in critical service.
Bidirectional Sealing: Engineered to provide tight shut-off in both flow directions, enhancing system design flexibility and safety.
Low Torque Operation: The optimized disc design and precision-machined components reduce operating torque, allowing for smoother actuation and enabling the use of smaller, more cost-effective actuators.
Versatile Actuation: Available with manual lever, gearbox, or electric/pneumatic/hydraulic actuators for remote or automated control, integrating seamlessly into modern control systems.

Technical Specifications Table:

Parameter	Specification
Design Standard	API 609
Fire Test Standard	API 607 / API 6FA / ISO 10497
Body Material	Cast Steel (A216 WCB, LCB, WC6, etc.)
Seat Material	Metal (SS304, SS316, Inconel, Stellite)
Size Range	2" to 48" (DN50 to DN1200)
Pressure Class	Class 150, 300, 600 (PN16 to PN100)
Temperature Range	-29°C to 425°C (with metal seats)
End Connection	Wafer, Lug, Double Flange (RF, RTJ)

Benefits for Your Operations:

Enhanced Safety Compliance: Meets the strict fire safety regulations required for marine and offshore applications, facilitating class approval and insurance.
Reduced Lifecycle Cost: The durability of metal seats and cast steel construction minimizes maintenance, replacement frequency, and total cost of ownership.
Operational Reliability: Consistent performance in extreme conditions reduces unplanned downtime and ensures continuous process flow.
Global Supply Chain Support: With annual exports valued between US$1-1.5 million and major shipment ports in Shanghai, Guangzhou, Hong Kong, and Beijing, we ensure timely delivery to your projects worldwide.

Backed by our established manufacturing expertise since 2016 and a proven track record of supplying to diverse markets from North America and Europe to Africa and Oceania, this API 609 Fire Safe Valve is a product you can trust. Our ISO9001 certified quality management system underpins every stage of production, ensuring each valve meets the highest standards of performance and safety. Choose a valve that prioritizes protection without compromising on performance. Contact Shanghai Zhibang Valve today to discuss your specific requirements and secure a reliable partner for your critical flow control needs.

Frequently Asked Questions (FAQ):

Q: What does "fire safe" mean for this butterfly valve?
A: A fire-safe valve is designed to maintain a seal and prevent internal leakage (through the seat) and external leakage (through the stem) for a specified period during and after exposure to fire, as per standards like API 607. Our valve features a secondary metal seat that engages if the primary seal fails under heat.
Q: Can this valve be used for onshore applications, or is it only for marine use?
A: While designed to meet rigorous marine standards, its robust construction and fire-safe certification make it equally suitable for onshore oil & gas, petrochemical, power generation, and other industrial applications requiring high safety levels.
Q: What are the main differences between metal seats and soft (elastomeric) seats?
A: Metal seats offer far superior resistance to high temperatures, corrosion, and abrasion but may have a slightly higher leakage rate under standard conditions. Soft seats provide excellent bubble-tight shut-off at lower temperatures but can degrade in harsh or high-heat environments.
Q: Is the valve suitable for cryogenic service?
A: The standard cast steel body has a lower temperature limit of -29°C. For cryogenic applications below this, special low-temperature carbon steel (LCB) or stainless steel bodies can be specified. Please inquire about low-temperature options.
Q: What actuation options are available?
A: The valve can be supplied with a manual lever, a worm gear operator for higher torque, or automated with electric, pneumatic, or hydraulic actuators. The specific model and accessories are customizable upon request.
Q: How do I ensure I get the correct flange facing for my piping?
A: We offer standard Raised Face (RF) and Ring Type Joint (RTJ) flange facings. It is crucial to specify your pipeline's flange standard (ASME, DIN, JIS, etc.), class, and facing type when placing an order to ensure compatibility.
Q: What is the typical lead time for an order?
A: Lead time varies based on size, material specifications, and order quantity. Standard configurations may have shorter lead times. We provide reliable shipping from major Chinese ports to ensure efficient global logistics.
Q: Does the valve come with specific certifications?
A> Our manufacturing is ISO9001 certified. The fire-safe design is tested to relevant API/ISO standards. Specific product test reports and certificates are available upon request to support your project documentation.