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Home > Industrial Equipment & Components > Valve > Gate Valve > 304 Stainless Steel Marine Parallel Slide Gate Valve for Seawater Service, Gear Operated
304 Stainless Steel Marine Parallel Slide Gate Valve for Seawater Service, Gear Operated
Product Spotlights
Engineered for harsh marine environments, this 304 Stainless Steel Parallel Slide Gate Valve features a gear operator for easy control and a robust metal-seated, parallel slide design that resists sticking and ensures reliable shut-off in seawater service. Its corrosion-resistant construction minimizes maintenance, while compliance with API standards and ISO9001 manufacturing guarantees quality and performance for global marine and industrial applications.
Negotiable
MOQ: 1 Unit (Price negotiable depending on order volume and customization)
Key Specifications
Get Latest Price
Material:
Other, 304 Stainless Steel
Application:
Other, Marine Seawater Service
Operation Type:
Gear Operated
Payment & Shipping
Payment Methods:
Port of Shipment:
China
Delivery Detail:
Delivery time depends on order quantity.
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Material
Other, 304 Stainless Steel
Application
Other, Marine Seawater Service
Operation Type
Gear Operated
Valve Type
Parallel Slide Gate Valve
Connection Type
Flanged (Standard)
Pressure Rating
Class 150/PN16 (Typical)
Seat Type
Metal-to-Metal Seal
Design Standard
API 600, API 603
Brand
Zhibang
As a specialized manufacturer with ISO9001 certification, Shanghai Zhibang Valve Manufacture Co., Ltd. is proud to present our 304 Stainless Steel Marine Parallel Slide Gate Valve, engineered specifically for demanding seawater applications. Our years of experience since 2016 in supplying reliable industrial valves to global markets empower us to deliver a product that combines durability with superior performance in corrosive marine environments. This gear-operated valve is designed to provide a secure, leak-tight shutoff for seawater pipelines, offering a robust solution for shipbuilding, offshore platforms, and coastal facilities where reliability is non-negotiable.
Product Highlights & Technical Advantages:
- Superior Corrosion Resistance: Constructed from premium 304 stainless steel, this valve offers excellent resistance to seawater corrosion, pitting, and crevice corrosion, ensuring a long service life even in harsh saline conditions.
- Parallel Slide Design for Reliable Sealing: Unlike wedge gate valves, the parallel slide design features two parallel gates and a spreader mechanism. This design minimizes friction during operation and provides a tight metal-to-metal seal, which is less prone to sticking and is highly effective for seawater containing solids or sediments.
- Gear Operation for Effortless Control: The integrated gear operator provides significant mechanical advantage, allowing for smooth and easy opening and closing of the valve against high system pressures. This is crucial for large-diameter valves or systems where manual handwheel operation would be impractical or unsafe.
- Robust Construction for Marine Duty: The valve body, bonnet, gates, and stem are all manufactured from 304 stainless steel, offering strength and integrity. Critical components are precision-machined to ensure proper alignment and reliable performance.
- Versatile and Safe Shut-off Solution: This valve is ideal for on/off service in seawater intake and discharge lines, ballast systems, firefighting systems, cooling water circuits, and other marine applications requiring a full-port, unobstructed flow path when open.
Detailed Technical Specifications:
| Parameter | Specification |
|---|---|
| Body & Trim Material | ASTM A351 CF8 / 304 Stainless Steel |
| Gate & Seat Material | 304 Stainless Steel (Metal Seated) |
| Stem Material | 304 Stainless Steel |
| Operation Type | Manual Gear Operator (Bevel Gear Standard) |
| Design & Test Standards | API 600, API 603, API 598 (Fire Safe design optional) |
| Pressure Rating | Common: Class 150 (PN16). Class 300 (PN40) available. |
| Temperature Range | -29°C to 425°C (-20°F to 800°F) for standard packing. |
| End Connection | Flanged ends per ASME B16.5, RF face. Other standards available. |
| Packing | Graphite / Flexible Graphite for high-temperature service. |
Benefits for Your Marine Operations:
- Reduced Maintenance: The corrosion-resistant 304 SS construction and parallel slide mechanism minimize scaling, sticking, and seat wear, leading to lower lifecycle costs and less downtime.
- Enhanced Safety: The gear operator allows for controlled valve actuation from a safe distance, reducing the risk of injury to personnel during operation under pressure.
- Reliable Performance: The robust design ensures dependable shut-off, preventing costly seawater ingress or system contamination, which is critical for vessel stability and system integrity.
- Global Compliance: Manufactured under an ISO9001 quality management system, our valves are designed to meet international marine and industrial standards, facilitating their use in projects worldwide.
Trust in Shanghai Zhibang's proven export capability, with an annual export value of US$1-1.5 Million and a strong presence across North America, South America, Europe, Asia, Africa, and Oceania. Our valves are shipped from major ports like Shanghai, Guangzhou, Hong Kong, and Beijing, ensuring efficient logistics. Choosing our 304 Stainless Steel Marine Parallel Slide Gate Valve means selecting a component backed by manufacturing expertise, quality certification, and a track record of serving a diverse global clientele. It is a durable, high-performance valve designed to meet the rigorous demands of seawater service. Contact us today for detailed quotations, technical data sheets, or to discuss your specific application requirements.
Frequently Asked Questions (FAQ)
-
Q: Why is 304 stainless steel suitable for seawater service?
A: 304 stainless steel offers a good balance of corrosion resistance, strength, and cost-effectiveness for marine environments. It resists general corrosion from chlorides in seawater, though for more aggressive conditions or higher chloride content, 316 stainless steel can be offered as an option. -
Q: What is the main advantage of a parallel slide gate valve over a traditional wedge gate valve for seawater?
A: The parallel slide design uses a spreading mechanism that forces two parallel gates against the seats. This design is less likely to jam or stick in services where sediment or scaling might occur, common in seawater, providing more reliable operation over time. -
Q: When is a gear operator necessary on a gate valve?
A: A gear operator is recommended for valves with larger diameters (typically above 10" or DN250) or for systems with high operating pressures where the handwheel torque required would be excessive for manual operation. It provides the mechanical advantage needed for easier and safer actuation. -
Q: Can this valve be used for other fluids besides seawater?
A: Yes. While optimized for seawater, its 304 stainless steel construction makes it suitable for a wide range of corrosive or clean fluids in chemical, petrochemical, power generation, and other industrial applications where corrosion resistance is required. -
Q: What are the available pressure classes and sizes?
A: This valve is commonly supplied in Class 150 (PN16) and Class 300 (PN40) pressure ratings. Sizes typically range from 2" (DN50) to 24" (DN600) or larger. Specific available sizes and pressure ratings can be confirmed upon request. -
Q: Does the valve come with any certifications?
A: Our manufacturing facility is ISO9001 certified, ensuring consistent quality control. The valves are produced to meet API standards (API 600, 603). Specific material certificates and test reports (e.g., PMI, pressure test) are available upon request. -
Q: What is the lead time for an order?
A: Lead time depends on the order quantity, size, pressure rating, and specific configuration. Standard items may have shorter lead times, while customized orders require more time. We provide estimated lead times with every quotation. -
Q: Do you offer other operation methods besides gear operation?
A: Yes. While this product is focused on gear operation, we can provide the same valve design with handwheel operation for smaller sizes or offer options for electric, pneumatic, or hydraulic actuators to suit automated system requirements.
Send Inquiry to This Supplier
1Yr
Business Type
Manufacturer
Year Established
2016
Annual Export Value
US$1 Million - US$1.5 Million
Product Certifications
ISO9001
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