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Home > Industrial Equipment & Components > Valve > Ball Valve > JIS F7300 Cast Iron Valve With Blow-Proof Stem, for High-Pressure Marine Applications
JIS F7300 Cast Iron Valve With Blow-Proof Stem, for High-Pressure Marine Applications
Product Spotlights
JIS F7300 certified cast iron valve featuring a critical safety blow-proof stem to prevent ejection under pressure. Designed for demanding high-pressure marine systems like fuel, cooling, and fire lines. Offers durability in corrosive environments, regulatory compliance, and reliable sealing. Backed by ISO9001 manufacturing quality for global shipbuilding and marine engineering projects.
Negotiable
MOQ: 1 Unit (Price negotiable depending on order volume and customization)
Key Specifications
Get Latest Price
Material:
Other, Cast Iron
Standard:
JIS F7300
Application:
Other, High-Pressure Marine Systems
Payment & Shipping
Payment Methods:
Port of Shipment:
China
Delivery Detail:
Delivery time depends on order quantity.
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Material
Other, Cast Iron
Standard
JIS F7300
Application
Other, High-Pressure Marine Systems
Stem Type
Blow-Proof Stem
Connection Type
Flanged (Standard)
Pressure Rating
High Pressure
Operation
Manual Handwheel
Port of Shipment
Shanghai, Guangzhou, Hongkong, Beijing
As a specialized manufacturer with a proven track record since 2016, Shanghai Zhibang Valve Manufacture Co., Ltd. is proud to present our JIS F7300 Cast Iron Valve featuring a critical blow-proof stem design. Engineered specifically for demanding marine environments, this valve provides a robust and reliable solution for controlling high-pressure fluid systems on vessels and offshore platforms. Our commitment to quality, backed by ISO9001 certification, ensures every valve meets stringent performance criteria, offering shipbuilders, shipyards, and marine engineers a component they can trust for safety and longevity. With an annual export value exceeding US$1 million and a global presence across continents from North America to Oceania, our products are tested and trusted worldwide.
Core Product Features & Technical Advantages:
- Enhanced Safety with Blow-Proof Stem: The defining feature of this valve is its specially engineered stem. Unlike conventional designs, the blow-proof stem is constructed to prevent accidental ejection under extreme internal pressure, a critical safety requirement in marine applications where failure is not an option. This design significantly reduces the risk of catastrophic leaks and personnel injury.
- Rugged Cast Iron Construction: Manufactured from high-grade cast iron, the valve body offers exceptional strength and durability to withstand the corrosive marine atmosphere, including saltwater exposure and high humidity. The material provides excellent resistance to deformation under high pressure.
- JIS F7300 Compliance: This valve is designed and manufactured in strict accordance with the Japanese Industrial Standard F7300 for ship valves. This ensures compatibility with international marine engineering specifications and provides assurance of quality and performance recognized by ship classification societies.
- Optimized for High-Pressure Service: Every component, from the body to the sealing elements, is selected and tested for reliable operation in high-pressure piping systems commonly found in marine engine rooms, fuel lines, ballast systems, and cargo handling.
- Reliable Sealing Performance: Features precision-machined seating surfaces paired with durable sealing materials (such as reinforced graphite or specific elastomers, customizable upon request) to ensure tight shut-off and long service life, minimizing maintenance downtime.
- Robust Operation & Easy Maintenance: The valve is equipped with a sturdy handwheel for manual operation. The design allows for straightforward maintenance, packing replacement, and inspection without requiring removal from the pipeline in many cases.
Technical Specifications & Configuration Options:
| Parameter | Specification / Description |
| Product Standard | JIS F7300 |
| Primary Material | Cast Iron (Body, Bonnet) |
| Stem Type | Blow-Proof (Anti-Ejection) Design |
| Pressure Class | Designed for High-Pressure Marine Systems |
| Connection Standard | Flanged (JIS/ANSI standards available) |
| Operation Mode | Manual Handwheel (Gear operation optional) |
| Seat & Seal Material | Standard: Reinforced Graphite. Alternatives available. |
| Temperature Range | Suitable for standard marine fluid temperatures |
Benefits for Your Marine Operations:
- Uncompromised Safety: The blow-proof stem directly addresses a major safety hazard, protecting crew and vessel.
- Reduced Lifecycle Cost: Durable construction and reliable sealing lower the frequency of repairs and replacements.
- Regulatory Compliance: JIS F7300 conformity simplifies approval processes with ship registries and classification bodies.
- Global Supply Reliability: With major ports like Shanghai, Guangzhou, and Hongkong as shipment points, we ensure timely delivery to shipyards worldwide.
- Application Versatility: Suitable for various high-pressure services onboard, including seawater cooling, bilge, fire-fighting, and fuel oil lines.
Shanghai Zhibang's position as an established manufacturer with ISO9001 certification is your assurance of consistent quality. Our valves are not just components; they are integral to the safety systems of vessels navigating the world's oceans. With a distribution network spanning from Eastern Europe to Southeast Asia, North America to Africa, our products have been validated in diverse and challenging marine environments. We invite you to experience the reliability and professional engineering built into every JIS F7300 Cast Iron Valve. Contact us today to discuss your specific requirements, request detailed datasheets, or to place a trial order. Let us be your trusted partner for marine valve solutions.
Frequently Asked Questions (FAQ)
-
What exactly does "blow-proof stem" mean and why is it important for marine use?
A blow-proof stem is designed with mechanical features (such as a shoulder or retaining ring) that physically prevent the stem from being forcibly ejected out of the valve body if the packing fails under extreme internal pressure. This is a critical safety feature in marine applications to prevent sudden, uncontrolled releases of high-pressure fluids, protecting personnel and equipment. -
Is this valve suitable for saltwater service?
Yes. The cast iron body offers good corrosion resistance for marine atmospheres. For the valve internals and specific sealing, materials can be selected or coatings applied to enhance compatibility with seawater. It is important to specify the exact fluid media when inquiring. -
What pressure rating does this JIS F7300 valve have?
The specific pressure class (e.g., 10K, 16K, 20K as per JIS standards) can vary based on size and configuration. We provide valves designed for high-pressure marine systems. Please contact us with your required pressure rating and nominal size for precise product selection. -
Can you provide valves with flanges matching ANSI standards for international projects?
Absolutely. While compliant with JIS F7300 in design and testing, we commonly supply valves with flanges machined to various international standards, including ANSI, JIS, or DIN, based on customer specifications and piping requirements. -
Do you offer actuated versions of this valve (electric, pneumatic)?
The standard offering is manual operation via handwheel. However, mounting pads for fitting electric or pneumatic actuators are often available. We can provide complete actuated valve packages upon request. -
What is your lead time for standard sizes?
Lead times depend on the order quantity and specific specifications. Given our established manufacturing base and inventory strategy, we aim for competitive lead times. Specific timelines can be provided upon receipt of your detailed inquiry. -
Are test reports and certification documents provided with the valves?
Yes, as an ISO9001 certified manufacturer, we provide standard factory test reports (such as shell test, seat leak test) with each shipment. Additional certification from third-party inspectors can be arranged as required. -
What are the main applications for this valve on a ship?
Typical applications include high-pressure seawater cooling lines, fuel oil transfer and service systems, compressed air systems, high-pressure bilge lines, and fire-fighting system mains, wherever reliable isolation under pressure is needed.
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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