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Help CenterJIS F7306 Marine Angle Stop Valve Used in Ship Ballast and Cooling Systems Manual Flanged Cast Iron 5K/10K DN15-DN100
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Shanghai Zhibang Valve Manufacture Co., Ltd. is proud to present our high-quality JIS F7306 Marine Angle Stop Valve, designed specifically for ship ballast and cooling systems. As a dedicated manufacturer established in 2016 with an annual export value of US$1-1.5 Million, we combine precision engineering with robust cast iron construction to deliver reliable manual flanged stop valves. This product meets strict JIS standards and offers exceptional durability in demanding marine environments.
Our angle stop valve features a compact design that saves space while providing excellent flow control. It is available in pressure ratings of 5K and 10K, with sizes ranging from DN15 to DN100, making it suitable for a wide variety of shipboard applications. Whether used in ballast water systems or engine cooling circuits, this valve ensures tight shut-off and long service life.
Key Features & Benefits
- Durable Cast Iron Body – Resistant to seawater corrosion and mechanical stress, ideal for long-term marine service.
- JIS F7306 Compliant – Manufactured to strict Japanese Industrial Standards, ensuring interchangeability and reliability.
- Flanged Connection – Easy installation and removal, compatible with standard pipe flanges.
- Manual Handwheel Operation – Simple and direct control, no need for external power sources.
- Angle Pattern Design – Reduces pressure drop and allows for flexible piping layouts.
- Multiple Pressure Ratings – Available in 5K and 10K options to match system requirements.
- Wide Size Range (DN15-DN100) – Covers many common marine piping diameters.
- Customizable Options – Valve stem sealing materials, handwheel size, and coatings can be tailored upon request.
Technical Specifications
| Standard | JIS F7306 |
| Body Material | Cast Iron (GG25 or equivalent) |
| Disc Material | Brass or Stainless Steel (available) |
| Stem Material | Stainless Steel |
| Seat Material | Cast Iron / Bronze (optional) |
| Pressure Rating | 5K (0.5 MPa) / 10K (1.0 MPa) |
| Size Range | DN15 – DN100 (1/2" – 4") |
| Flange Standard | JIS B2210 / B2212 (5K/10K) |
| Operation | Manual handwheel (rising stem) |
| Application | Ship ballast & cooling water systems |
Why Choose Our JIS F7306 Marine Angle Stop Valve?
- Precisely manufactured to JIS F7306 standards, ensuring perfect fit and function in existing ship piping.
- Cast iron body with optional corrosion-resistant coatings extends service life in seawater environments.
- Angle design minimizes flow resistance and reduces the number of fittings needed.
- Manual handwheel allows easy and reliable operation even in remote or unpowered locations.
- Each valve is hydrostatically tested before shipment to guarantee leak-free performance.
- Available in both 5K and 10K pressure ratings, giving you flexibility for different system pressures.
- Compact and lightweight compared to gate or globe valves of similar sizes, simplifying installation and maintenance.
Trust & Credibility
Shanghai Zhibang Valve Manufacture Co., Ltd. has been a reliable valve manufacturer since 2016, exporting over US$1 Million worth of products annually to markets in North America, South America, Europe, Southeast Asia, Africa, Oceania, and the Middle East. Our production facilities in Shanghai are ISO9001 certified, ensuring strict quality control from raw material to final inspection. We ship from major ports including Shanghai, Guangzhou, Hong Kong, and Beijing, providing efficient logistics to global customers.
With thousands of valves already in service on vessels worldwide, our JIS F7306 Marine Angle Stop Valve has proven its durability and performance. We stand behind every product and offer technical support throughout the valve's life cycle. Contact us today for competitive pricing and fast delivery.
Frequently Asked Questions (FAQ)
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Q: What is the difference between 5K and 10K pressure rating?
A: The 5K rating corresponds to a maximum working pressure of 0.5 MPa, while 10K is 1.0 MPa at ambient temperature. Choose based on your system design pressure. -
Q: Is this valve suitable for seawater?
A: Yes, the cast iron body with appropriate coating and optional bronze or stainless steel trim is suitable for seawater. However, we recommend confirming with our technical team for long-term immersion. -
Q: Can I get a custom flange facing?
A: Standard flanges are flat face (FF) per JIS. Raised face (RF) or other modifications are available upon request with additional lead time. -
Q: What sealing materials do you use for the stem?
A: Standard stem seals are made of PTFE or graphite. Other materials such as EPDM, NBR, or Viton can be supplied for specific fluid compatibility. -
Q: How do you ensure leak-tight shut-off?
A: Each valve is hydrostatically tested at 1.5 times the rated pressure. The disc and seat undergo precision machining and lapping to achieve a bubble-tight seal. -
Q: What is the delivery time for standard sizes?
A: For popular sizes like DN25-DN80 in 5K, lead time is typically 15-20 working days. Larger sizes or special materials may take longer. Contact us for exact schedule. -
Q: Do you provide a warranty?
A: Yes, we offer a 12-month warranty against manufacturing defects. Extended warranty options are available upon request. -
Q: Are spare parts available?
A: Yes, we stock common spare parts such as handwheels, gaskets, and packing. For complete valve rebuild kits, please inquire.
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