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Home > Industrial Equipment & Components > Valve > Butterfly Valve > Butterfly Valve For Petrochemical Seawater Cooling Circuits On FPSO Vessels

Butterfly Valve For Petrochemical Seawater Cooling Circuits On FPSO Vessels

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Product Spotlights

Engineered specifically for corrosive seawater cooling circuits on FPSO vessels. Features corrosion-resistant 316/duplex stainless steel construction and PTFE/EPDM seals for long service life. Available in wafer, lug, or double flange designs with manual, pneumatic, electric, or hydraulic actuation options for seamless integration. Compact design saves valuable onboard space. Manufactured under ISO9001 with global export experience to offshore markets, ensuring reliable performance and reduced maintenance costs.

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

Key Specifications

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Application:

Other, Seawater Cooling Circuits on FPSO vessels

Standard:

ISO9001 Quality Management System

Material:

316 Stainless Steel / Duplex Stainless 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, Seawater Cooling Circuits on FPSO vessels

Standard ISO9001 Quality Management System

Material 316 Stainless Steel / Duplex Stainless Steel

Size Range DN50 to DN600 (2“ to 24“)

Configuration Wafer / Lug / Double Flange

Actuation Manual / Pneumatic / Electric / Hydraulic

Sealing Type PTFE / EPDM / Metal Seal

Pressure Rating PN10 / PN16 / Class 150

Temperature Range -20°C to +120°C

Connection Standard ANSI / DIN / JIS / GB

As a specialized manufacturer with ISO9001 certified processes, Shanghai Zhibang Valve Manufacture Co., Ltd. designs and produces high-performance butterfly valves engineered for the demanding environments of Floating Production Storage and Offloading (FPSO) vessels. Since 2016, we have focused on supplying critical flow control solutions to the global petrochemical and offshore industries. Our butterfly valve for petrochemical seawater cooling circuits is a core product, developed to ensure reliable, efficient, and safe operation in corrosive seawater applications, directly contributing to the operational integrity and productivity of your FPSO assets.

This valve is not a standard off-the-shelf item; it is a purpose-built component. The primary challenge in FPSO seawater cooling systems is managing the highly corrosive nature of seawater while maintaining precise flow control for heat exchange processes. Our valve addresses this with a combination of robust materials, advanced sealing technology, and configurations tailored for marine installation. We understand that failure in such a critical circuit can lead to significant downtime and safety risks. Therefore, every valve is manufactured with an emphasis on longevity, leak-tight performance, and ease of maintenance under offshore conditions.

Key Features & Technical Advantages:

Corrosion-Resistant Material Selection: The disc and body are typically constructed from 316 stainless steel or duplex stainless steel, offering superior resistance to chloride-induced pitting and crevice corrosion common in seawater. Optional coatings or material grades (like super duplex) are available for particularly aggressive conditions.
High-Performance Sealing System: The seat is designed with PTFE (Teflon) or EPDM elastomers, providing excellent sealing integrity and compatibility with seawater. For higher temperature ranges, metal-seated options are customizable. The seal design ensures low torque operation and a bubble-tight shut-off, essential for system isolation.
Optimized for Marine Installation: Available in wafer, lug, and double flange designs to suit different piping layouts and bolting requirements on FPSOs. The compact design saves space, a valuable consideration in crowded shipboard environments.
Versatile Actuation Methods: To integrate seamlessly with your control philosophy, the valve can be fitted with:
- Manual Operation: Lever, gearbox, or handwheel for local control.
- Pneumatic Actuators: For automated, fast-response control via ship's air supply.
- Electric Actuators: For precise modulation and integration with central DCS/PLC systems.
- Hydraulic Actuators: For high-force applications where other power sources are preferred.
Rugged Construction & Testing: Each valve undergoes stringent pressure testing and operational cycle tests to verify performance. Stem design is robust to prevent bending or failure, and all internal components are selected for durability under continuous service.

Detailed Technical Specifications:

Parameter	Specification / Range	Notes
Standard Size Range	DN50 (2") to DN600 (24")	Other sizes upon request
Pressure Rating	PN10, PN16, Class 150	Higher ratings customizable
Temperature Range	-20°C to +120°C	Standard elastomer seat range
Body & Disc Material	316 SS, Duplex SS, Carbon Steel	Most common for seawater
Seat Material	PTFE, EPDM, Metal (Stellite)	Select based on temp & media
Connection Standards	ANSI, DIN, JIS, GB	Flange face details provided
Actuation Options	Manual, Pneumatic, Electric, Hydraulic	Actuator specs customizable

Benefits for Your FPSO Operation:

Enhanced System Reliability: Minimizes risk of leaks or failures in the cooling circuit, protecting expensive heat exchangers and ensuring continuous process operation.
Reduced Maintenance Costs: The corrosion-resistant materials and durable seals extend service intervals, lowering the frequency and cost of offshore maintenance.
Operational Flexibility: The variety of actuation options allows integration into new or retrofit projects, supporting manual, automated, or remote control strategies.
Global Supply & Support: With annual exports valued between US$1 Million and US$1.5 Million, and main markets spanning North America, South America, Europe, Asia, Africa, and Oceania, we have established logistics and support channels to deliver to major ports worldwide, including Shanghai, Guangzhou, Hong Kong, and Beijing.

Choosing Shanghai Zhibang's butterfly valve means partnering with a manufacturer dedicated to the offshore sector. Our ISO9001 certification underpins a consistent quality management system for every valve produced. The trust of our global clientele, served across diverse regions from Eastern Europe to Southeast Asia and the Middle East, is built on delivering products that perform as specified in challenging applications. For your FPSO's seawater cooling circuit—a system where reliability is non-negotiable—our valve offers a engineered solution backed by manufacturing rigor and international supply capability. We invite you to contact us for detailed technical consultation, customized specifications, or to discuss your specific project requirements.

Frequently Asked Questions (FAQ):

Q: Why is a butterfly valve suitable for seawater cooling on FPSOs instead of other valve types?
A: Butterfly valves offer a excellent balance for this application. Their compact, lightweight design is advantageous in space-constrained marine environments. They provide quick operation, good flow control characteristics, and when constructed with corrosion-resistant materials like stainless steel, they withstand seawater's corrosive effects effectively. Compared to gate or globe valves, they are often more cost-effective and easier to automate for cooling system modulation.
Q: What is the typical lead time for ordering these valves?
A: Lead time depends on size, material, actuation choice, and order quantity. For standard configurations in common sizes (DN50-DN300), we typically have a production lead time of 4-6 weeks. For larger sizes, special materials, or fully customized packages, the lead time may extend to 8-10 weeks. We provide accurate timelines upon receipt of your detailed specifications.
Q: Can these valves be supplied with actuators and controls ready for installation?
A: Yes. We offer complete packages including the valve, selected actuator (pneumatic, electric, hydraulic), mounting kit, and necessary controls (positioners, limit switches) as per your request. This ensures compatibility and reduces on-site integration work.
Q: How do you ensure the valve's long-term performance in corrosive seawater?
A: Our assurance comes from material selection, design, and testing. We use grades like 316L or duplex stainless steel known for marine corrosion resistance. Critical components like the stem bearings are sealed or made from compatible materials. Each valve is pressure and cycle tested. Furthermore, we can provide recommendations based on water analysis (chloride content, temperature) to select the optimal material grade.
Q: Are these valves compliant with specific marine or offshore standards?
A> While we operate under an ISO9001 quality system, specific marine standard compliance (like DNV, ABS) is available upon request. We can manufacture valves to meet the requirements of major classification societies, provided the specific standards and testing protocols are defined in the order.
Q: What is your experience in supplying valves for FPSO projects?
A> As a manufacturer established in 2016 and exporting globally, we have supplied flow control components to various offshore and marine projects, including equipment for FPSO vessels. Our products reach markets in regions with significant offshore activity, such as Southeast Asia, the Middle East, and West Africa. We understand the documentation, packaging, and logistics requirements for such projects.
Q: Do you provide technical support and documentation?
A> Yes. We provide comprehensive technical documentation including dimensional drawings, material certificates, test reports, and installation manuals. Our engineering team is available for technical support during specification, installation, and operational phases.
Q: What are the available shipping options and main shipment ports?
A> We ship from major Chinese ports including Shanghai, Guangzhou, Hong Kong, and Beijing. Shipping methods (air, sea) and logistics are arranged based on order volume, destination, and urgency. We have experience exporting to all our listed main markets worldwide.