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DN50-DN300 Flanged JIS F7363 5K Gate Valve for Marine Applications
Product Spotlights
Marine-grade JIS F7363 gate valve in DN50-DN300 sizes with 5K rating. Features flanged JIS ends, corrosion-resistant stainless steel stem/seats, and robust cast iron/steel body for reliable seawater service. ISO9001 certified manufacturing ensures quality for global shipbuilding and offshore applications.
Negotiable
MOQ: 1 Unit (Price negotiable depending on order volume and customization)
Key Specifications
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Application:
Other, Marine
Product Standard:
JIS F7363
Pressure Rating:
5K (PN10)
Payment & Shipping
Payment Methods:
Port of Shipment:
China
Delivery Detail:
Delivery time depends on order quantity.
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Application
Other, Marine
Product Standard
JIS F7363
Pressure Rating
5K (PN10)
Size Range
DN50 to DN300 (2“ to 12“)
Connection Type
Flanged (JIS B2220)
Body Material
Cast Iron / Ductile Iron / Cast Steel (Optional)
Seat Material
Stainless Steel / Bronze
Stem Material
Stainless Steel
Operation Type
Handwheel
Sealing Type
Metal Seated (Resilient Optional)
As a professional valve manufacturer with ISO9001 certification, Shanghai Zhibang Valve Manufacture Co., Ltd. is proud to introduce our high-performance DN50-DN300 Flanged JIS F7363 5K Gate Valve, engineered specifically for demanding marine environments. Since our establishment in 2016, we have focused on delivering reliable fluid control solutions to a global clientele across North America, Southeast Asia, Europe, and beyond. This valve embodies our commitment to quality, durability, and precise engineering, offering shipbuilders and marine operators a robust solution for on/off service in seawater, ballast, fuel oil, and other critical shipboard systems.
This gate valve is designed to meet the rigorous standards of maritime applications, where corrosion resistance, reliable sealing, and long-term performance under pressure are non-negotiable. Its compliance with the Japanese Industrial Standard (JIS) F7363 ensures international recognition and compatibility with marine piping systems worldwide.
Key Features & Technical Advantages:
- Rugged Construction for Marine Duty: The valve body is typically crafted from high-grade cast iron or ductile iron, with options for cast steel, providing excellent strength and corrosion resistance against seawater and harsh marine atmospheres.
- JIS F7363 & 5K Pressure Rating: Manufactured in strict adherence to JIS F7363 standard, guaranteeing dimensional accuracy, material quality, and performance consistency. The 5K pressure rating (approximately equivalent to PN10) ensures reliable operation within designated pressure limits.
- Precise Flow Control: Features a parallel or wedge gate design that provides a tight shut-off with minimal pressure drop when fully open, ensuring efficient system operation.
- Superior Sealing Mechanism: Equipped with metal seats (stainless steel or bronze) for durability. Resilient seated options are available upon request for bubble-tight shut-off in less abrasive services.
- Corrosion-Resistant Stem: The rising stem is made from stainless steel, offering high resistance to galvanic corrosion and ensuring smooth, reliable operation over countless cycles.
- JIS Standard Flanged Ends: Flanges conform to JIS B2220 standard, facilitating easy and secure bolting to corresponding flanges in marine piping networks, reducing installation time and complexity.
- Robust Operation: A handwheel-operated design allows for manual control. The design ensures clear visual indication of valve position (open/closed).
Detailed Technical Specifications:
| Parameter | Specification |
|---|---|
| Product Standard | JIS F7363 |
| Pressure Rating | 5K (PN10) |
| Size Range | DN50, DN65, DN80, DN100, DN125, DN150, DN200, DN250, DN300 |
| Flange Standard | JIS B2220 5K |
| Body Material Options | Cast Iron (FCD-450), Ductile Iron, Cast Steel (WCB) |
| Seat & Disc Material | Stainless Steel (SUS304/SUS316), Bronze |
| Stem Material | Stainless Steel (SUS304/SUS416) |
| Packing Material | Graphite, PTFE (Customizable) |
| Operation | Handwheel (Gear Operator Optional for larger sizes) |
| Test Standards | Shell Test, Seat Test per JIS F7363 |
Benefits for Your Marine Projects:
- Enhanced System Reliability: Provides a dependable shut-off point, preventing leaks and ensuring the safety and efficiency of marine fluid systems.
- Reduced Maintenance & Lifecycle Cost: The corrosion-resistant materials and robust construction minimize wear, leading to lower maintenance requirements and a longer service life, even in saltwater environments.
- Global Compliance & Ease of Integration: JIS standard ensures the valve is readily accepted and compatible in international shipbuilding and repair yards, simplifying procurement and installation.
- Operational Safety: The robust design and reliable sealing contribute to overall plant safety by effectively isolating sections of piping during maintenance or emergencies.
Backed by our ISO9001-certified manufacturing processes, every valve undergoes rigorous testing to ensure it meets the promised specifications. With an annual export value ranging between US$1 Million to US$1.5 Million, Shanghai Zhibang Valve has proven its capability to supply quality products to diverse markets including North America, Eastern Europe, Southeast Asia, Africa, and Oceania. We ship efficiently from major ports like Shanghai, Guangzhou, Hong Kong, and Beijing, ensuring timely delivery to your project site. Choose our JIS F7363 Gate Valve for a combination of maritime-grade durability, standardized compatibility, and manufacturer-direct value. Contact us today for a quotation or to discuss custom requirements for your specific application.
Frequently Asked Questions (FAQ):
-
Q: What does the "5K" pressure rating mean?
A: "5K" is a Japanese pressure class designation under the JIS standard, indicating a nominal pressure rating. It is roughly equivalent to PN10 (10 bar) in European standards. It defines the maximum allowable pressure the valve is designed to handle at ambient temperatures. -
Q: Are these valves suitable for seawater service?
A: Yes, they are specifically designed for marine applications. The use of corrosion-resistant materials like stainless steel for internal components and suitable coatings/body materials makes them well-suited for handling seawater, ballast water, and other marine fluids. -
Q: Can I get valves with different flange standards, like ANSI?
A: This specific product line is manufactured to JIS B2220 flange dimensions. However, as a manufacturer, we can produce gate valves to various standards including ANSI, DIN, or GB upon request. Please inquire about custom orders. -
Q: What is the typical lead time for an order?
A: Lead time depends on the order quantity and specific size/material requirements. Standard sizes in common materials typically have shorter lead times. We provide accurate delivery estimates upon receipt of your detailed inquiry. -
Q: Do you provide any certifications with the valves?
A: Yes, we can provide standard mill test reports for materials. Our manufacturing facility is ISO9001 certified, ensuring consistent quality control. Specific product certifications (e.g., type approval) can be discussed as a customizable option. -
Q: What is the difference between metal-seated and resilient-seated versions?
A: Metal-seated valves offer higher durability and temperature resistance, ideal for abrasive fluids or higher temperatures. Resilient-seated valves (with an elastomer like EPDM or NBR on the disc) provide excellent bubble-tight shut-off for general service but may have temperature limitations. The choice depends on your service conditions. -
Q: How do I determine the correct size for my application?
A: The size (DN50-DN300) corresponds to the nominal diameter of your pipeline. You should match the valve's DN size and flange pressure class (5K) with your existing piping specifications. Our technical team can assist you in selection if you provide your line size and service conditions. -
Q: What are the available packing options and why does it matter?
A: Packing seals the stem to prevent leakage. Standard options include graphite (high-temperature resistance) and PTFE (chemical resistance). The choice impacts performance in specific operating environments, and we can recommend the best option based on your fluid and temperature.
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1Yr
Business Type
Manufacturer
Year Established
2016
Annual Export Value
US$1 Million - US$1.5 Million
Product Certifications
ISO9001
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