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Home > Industrial Equipment & Components > Valve > Gate Valve > Offshore Platform Application Forged Steel Marine Gate Valve For FPSO System High Pressure Resistant

Offshore Platform Application Forged Steel Marine Gate Valve For FPSO System High Pressure Resistant

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Product Spotlights

Engineered for offshore rigor, this forged steel marine gate valve delivers high-pressure resistance and reliable shut-off for FPSO & platform systems. Features corrosion-resistant trim, robust construction per API standards, and smooth operation. Enhances safety, reduces lifecycle costs, and is customizable for specific harsh environment duties. Backed by ISO9001 manufacturing and global export experience.

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

Key Specifications

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Material:

Other, Forged Steel (ASTM A105/A350 LF2)

Application:

Other, Offshore Platforms

Pressure Rating:

High Pressure (e.g., Class 1500, 2500)

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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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Material Other, Forged Steel (ASTM A105/A350 LF2)

Application Other, Offshore Platforms

Pressure Rating High Pressure (e.g., Class 1500, 2500)

Connection Type Flanged (RF/RTJ), Welded End

Operation Type Handwheel, Gear Operator, Actuated

Seat & Disc Material Stainless Steel, Hardened Alloy

Design Standard API 600, API 6D, BS 5352

Size Range 1/2“ to 24“ (Customizable)

Temperature Range -29°C to 425°C (-20°F to 800°F)

As a specialized manufacturer with a focus on industrial fluid control, Shanghai Zhibang Valve Manufacture Co., Ltd. is proud to present our robust Forged Steel Marine Gate Valve, engineered specifically for the demanding environments of offshore platforms and FPSO (Floating Production, Storage, and Offloading) systems. Our products are designed to deliver reliable isolation and control in high-pressure applications, ensuring operational safety and continuity in critical offshore operations. With a commitment to quality backed by ISO9001 certification and years of experience serving global markets, we provide valves that meet the stringent requirements of the marine and offshore industry. This valve is a testament to our dedication to manufacturing durable, high-performance solutions for challenging applications worldwide.

Core Product Features & Technical Advantages:

Superior Pressure Containment: Manufactured from high-grade forged steel, this valve is built to withstand extreme pressures commonly encountered in subsea and topside FPSO piping systems. The robust body construction prevents deformation and ensures a tight seal under fluctuating pressure conditions.
Corrosion & Erosion Resistance: Critical wetted parts, such as the seat and disc, are often made from stainless steel or hardened alloys to resist corrosion from seawater, hydrocarbons, and production fluids, as well as erosion from sand and particulates.
Reliable Sealing Performance: Features a flexible wedge or parallel slide gate design that provides bubble-tight shut-off, minimizing internal and external leakage. This is crucial for environmental protection and process safety on offshore installations.
Durability in Harsh Environments: The valve is designed to perform reliably in the presence of vibration, temperature extremes, and saline atmospheres typical of offshore platforms. Special surface treatments and coatings are available to enhance longevity.
Low Maintenance & Easy Operation: The stem is designed with a rising or non-rising feature and is sealed with high-quality packing. This design ensures smooth operation with minimal torque, whether operated by handwheel, gearbox, or actuator, reducing maintenance demands.
Versatile Configurations: Available in various end connections (flanged, weld-end), pressure classes, and with optional features like a by-pass valve, drain ports, or locking devices to suit specific system layouts and safety protocols.

Technical Specifications Overview:

Parameter	Typical Specification / Option
Body & Bonnet Material	Forged Steel (A105, A350 LF2, F22, F316)
Pressure Class (ASME)	Class 150, 300, 600, 900, 1500, 2500
Seat & Disc Material	13% Cr, Stellite, Alloy 20, Monel
Stem Material	Stainless Steel (410, 304, 316), Alloy Steel
Packing Material	Graphite, PTFE, Flexible Graphite
Gasket Material	Spiral Wound (SS/Graphite, SS/PTFE)
Operation	Handwheel, Bevel Gear, Electric/Pneumatic Actuator
Design & Test Standards	API 600, API 6D, API 598, BS 5352, ISO 10434

Benefits for Your Offshore Operations:

Enhanced System Safety: The valve's robust construction and reliable sealing directly contribute to the overall integrity of your FPSO's piping system, helping to prevent leaks and potential incidents.
Reduced Lifecycle Costs: High durability and corrosion resistance translate to longer service intervals, fewer replacements, and lower total cost of ownership over the valve's lifespan.
Operational Efficiency: Smooth, low-torque operation allows for quick and easy isolation of pipeline sections, facilitating maintenance and reducing downtime during critical operations.
Compliance & Compatibility: Manufactured to widely recognized international standards, ensuring compatibility with existing offshore infrastructure and aiding in regulatory compliance for your projects.
Customization Potential: We can tailor valve specifications—including materials, pressure ratings, end connections, and actuation—to match your specific FPSO module or platform design requirements.

Shanghai Zhibang Valve, established in 2016, has built a solid reputation by consistently delivering high-quality valve solutions. Our annual export value reflects the trust placed in us by clients across diverse regions, including North America, Southeast Asia, Europe, and the Middle East. We understand the critical nature of offshore applications, and our ISO9001-certified manufacturing processes ensure every forged steel marine gate valve meets rigorous quality checks before shipment from major ports like Shanghai, Guangzhou, or Hong Kong. When you choose our valve, you are not just purchasing a component; you are investing in reliability, safety, and the support of an experienced manufacturer dedicated to the success of your offshore ventures. Contact us today to discuss how our valves can be integrated into your FPSO or offshore platform system.

Frequently Asked Questions (FAQ):

Q: What makes a forged steel valve preferable to a cast steel valve for offshore FPSO applications?
A: Forged steel offers a denser, more homogeneous grain structure compared to cast steel, resulting in superior mechanical strength, better impact resistance, and higher integrity under extreme pressure and temperature cycling—critical factors for the safety-critical environment of an FPSO.
Q: Can this valve handle both crude oil and seawater service on an offshore platform?
A: Yes, with appropriate material selection. For example, a body of carbon steel with trim materials like 13% Chrome or Stellite-hardened seats can handle crude oil. For seawater service, materials like Duplex stainless steel or super duplex may be recommended. We can advise on the optimal material combination for your specific media.
Q: What pressure classes are typically used for FPSO high-pressure systems?
A: Common pressure classes include ASME Class 600, 900, 1500, and 2500, depending on the specific service (e.g., wellhead, export lines, injection systems). We manufacture valves across this full range to meet various system design pressures.
Q: Are your valves suitable for subsea applications?
A: The standard design is for topside applications. For subsea use, significant modifications are required, including specialized coatings, seals, and design for remote operation. We can discuss subsea requirements as a custom project.
Q: What types of actuators can be fitted to these gate valves?
A> We can provide valves ready for integration with electric, pneumatic (double-acting or spring-return), or hydraulic actuators. The choice depends on your available power source, required fail-safe mode, and automation level.
Q: Do you provide documentation packages with the valves?
A: Yes, a comprehensive documentation package is available, which can include material certificates (MTC), test reports (hydrostatic, shell, seat), dimensional drawings, and manuals. This is essential for offshore project traceability and quality assurance.
Q: What is your lead time for such specialized offshore valves?
A: Lead time varies based on size, pressure class, material specifications, and quantity. Standard configurations may have shorter lead times, while fully customized valves require more detailed engineering and manufacturing. We provide specific timelines upon receipt of your detailed inquiry.
Q: How do you ensure quality control for valves destined for critical offshore use?
A> Our ISO9001 quality system governs the entire process. This includes stringent raw material inspection, in-process checks during forging, machining and assembly, and final testing per API 598 or other specified standards, including high-pressure shell tests and low-pressure seat tests.