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Help CenterJIS F7300 Marine Valve With Stainless Steel Ball, 5K/10K Pressure, Cast Iron Body, Flanged
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As a leading manufacturer with ISO9001 certified quality management, Shanghai Zhibang Valve Manufacture Co., Ltd. proudly presents our JIS F7300 Marine Valve. Engineered for demanding maritime and industrial applications, this valve combines a robust cast iron body with a precision stainless steel ball to deliver exceptional reliability and long service life. Our commitment to stringent manufacturing standards ensures each valve meets the rigorous performance criteria required for safe and efficient fluid control on vessels and offshore platforms. With an annual export value reflecting our global reach, we are dedicated to providing durable solutions that withstand harsh marine environments.
This marine valve is designed to offer superior performance and operational safety. Key features and specifications include:
- Robust Construction: The combination of a cast iron body and a stainless steel ball provides excellent corrosion resistance and mechanical strength, ideal for seawater, fuel, and other shipboard fluids.
- JIS F7300 Compliance: Manufactured in accordance with the Japanese Industrial Standard for ship valves, ensuring compatibility and reliability in marine engineering projects worldwide.
- Dual Pressure Rating: Available in both 5K and 10K pressure classes, offering flexibility for various system pressure requirements from low to medium-high.
- Flanged Connection: Standard flanged ends facilitate secure and leak-proof installation into piping systems, conforming to common flange standards.
- Versatile Sealing: Equipped with seats made from materials like PTFE, providing tight shut-off, low torque operation, and good chemical resistance.
- Operational Flexibility: Can be supplied with a manual hand lever or configured for automated actuation (pneumatic or electric) upon request to suit specific control system needs.
Below is a summary of key technical parameters:
| Design Standard | JIS F7300 |
| Pressure Rating | 5K (Approx. 1.27 MPa) / 10K (Approx. 2.45 MPa) |
| Body Material | Cast Iron (FC200/250) |
| Ball & Stem Material | Stainless Steel (CF8/SS304 or equivalent) |
| Seat & Seal Material | PTFE, Reinforced PTFE (Standard), other options available |
| Connection | Flanged (JIS 5K/10K, JIS 10K, or as specified) |
| Operation Temperature | -20°C to 200°C (Standard configuration) |
| Operation | Manual (Lever/Wrench) or with Actuator (Optional) |
The primary advantage of this valve lies in its durability and compliance. The cast iron body offers cost-effective strength, while the stainless steel internals resist corrosion from saltwater and aggressive media. Adherence to the JIS F7300 standard provides buyers with confidence in its suitability for marine applications, often a critical requirement for shipyards and operators. The flanged design ensures easy integration and maintenance. For our clients, this translates to reduced downtime, lower lifecycle costs due to longevity, and enhanced system safety.
Backed by our ISO9001 certification and nearly a decade of manufacturing expertise since our establishment in 2016, Shanghai Zhibang Valve stands as a reliable partner. Our products reach diverse markets across North America, South America, Europe, Asia, Africa, and Oceania, supported by an annual export value demonstrating consistent quality and customer trust. We ship efficiently from major ports including Shanghai, Guangzhou, Hong Kong, and Beijing. Choose our JIS F7300 Marine Valve for a proven, standards-compliant solution that prioritizes performance and reliability. Contact us today to discuss your specific requirements or to request a quotation.
Frequently Asked Questions (FAQ)
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What does the "5K/10K" pressure rating mean?
"K" refers to the pressure class under the JIS standard. 5K corresponds to a nominal pressure of approximately 1.27 MPa (184 psi), and 10K to about 2.45 MPa (355 psi). The valve is designed and tested to safely operate at these respective pressures. -
Is this valve suitable for seawater applications?
Yes. The stainless steel ball provides good corrosion resistance against seawater. However, for prolonged seawater service, specifying appropriate stainless steel grades (like CF8M/SS316) and seal materials is recommended. -
Can you provide valves with different flange standards, like ANSI or DIN?
While the standard offering complies with JIS flanges, other flange standards such as ANSI or DIN can often be accommodated as a customization. Please inquire with your specific requirements. -
What types of fluids can this valve handle?
It is suitable for a range of fluids including water, seawater, oil, air, and other non-aggressive chemicals, depending on the selected seat and seal materials. Compatibility for specific media should be confirmed. -
Is the valve available with an actuator for remote operation?
Yes. The valve can be configured to accept pneumatic or electric actuators. This is an optional feature available upon request. -
What is the lead time for an order?
Lead time varies based on order quantity, specification, and customization. Standard specifications typically have shorter lead times. We provide estimated timelines upon receipt of your inquiry. -
Do you provide documentation and certification with the valves?
Standard documentation includes a material test report and a certificate of compliance. Specific certifications can be discussed as per customer requirements. -
What is the main advantage of a cast iron body over other materials for marine use?
Cast iron offers a favorable balance of strength, castability for complex shapes, and cost-effectiveness. It provides good mechanical durability for the valve body, while the critical wetted parts (ball, stem) use corrosion-resistant stainless steel.
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