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Help CenterJIS F7305 10K Marine Globe Valve DN50 PN16 Flanged Cast Iron Rising Stem
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Shanghai Zhibang Valve Manufacture Co., Ltd. takes pride in offering the JIS F7305 10K Marine Globe Valve DN50 PN16 Flanged Cast Iron Rising Stem — a reliable component designed for demanding marine and industrial fluid control systems. As an experienced manufacturer established in 2016, we ensure every valve meets rigorous quality standards, with a focus on durability, precise flow regulation, and long service life. This globe valve combines a robust cast iron body with a rising stem design, providing clear visual indication of valve position and dependable shut-off performance.
Key Features & Technical Specifications:
- Standard Compliance: Manufactured in accordance with JIS F7305, suitable for marine applications requiring high reliability.
- Pressure Rating: Rated at 10K (JIS) and PN16 (ISO), offering flexibility for different piping systems.
- Size: DN50 (2") nominal diameter, ideal for medium-flow control in shipboard systems, water treatment, and industrial pipelines.
- Body Material: High-grade Cast Iron (GG25 or equivalent) provides excellent strength and corrosion resistance in seawater and fresh water environments.
- Stem & Disc: Rising stem design with a stainless steel or bronze stem (optional) ensures smooth operation and minimal wear. The disc is typically made of bronze or cast iron with a sealing face tailored for tight shut-off.
- Connection: Flanged ends per JIS B2220 10K, ensuring easy installation and leak-proof joints.
- Operation: Handwheel-operated, allowing precise throttling and positive closure.
| Parameter | Value |
|---|---|
| Nominal Diameter | DN50 |
| Pressure Rating | 10K (JIS) / PN16 |
| Flange Standard | JIS B2220 10K |
| Body Material | Cast Iron (GG25) |
| Stem Material | Stainless Steel 304 or Brass (optional) |
| Disc Material | Bronze / Cast Iron with PTFE seat (optional) |
| Operating Temperature | -10°C to +120°C |
| End-to-End Dimension | Per JIS F7305 (contact for details) |
Advantages & Benefits for Your Application
- Reliable Shut-Off: The globe valve design provides excellent throttling and positive shut-off, minimizing leakage even under high pressure.
- Visual Position Indication: The rising stem clearly shows whether the valve is open or closed, simplifying operation and maintenance.
- Corrosion Resistance: Cast iron body with optional epoxy coating (available upon request) withstands marine environments and reduces maintenance costs.
- Versatile Connections: Flanged ends conform to JIS B2220, but we can also supply with ANSI or DIN flanges as a customization.
- Long Service Life: High-quality materials and precision machining ensure thousands of cycles with minimal wear.
- Easy Installation: Compact face-to-face dimensions allow retrofitting into existing pipeline layouts.
Trusted by Global Customers
At Shanghai Zhibang Valve Manufacture Co., Ltd., we back every product with our ISO9001 certified quality management system. Since 2016, we have exported over US$1 million to US$1.5 million worth of valves annually to markets across North America, South America, Europe, Asia, Africa, and Oceania. Our valves are shipped from major ports including Shanghai, Guangzhou, Hong Kong, and Beijing, ensuring timely delivery worldwide. We understand the strict requirements of marine applications and have tailored this JIS F7305 globe valve to meet the highest standards of performance and safety. Whether you need a single valve for a retrofit or bulk supply for a new shipbuilding project, our team is ready to provide competitive pricing and reliable after-sales support.
Frequently Asked Questions (FAQ)
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Q: Can this valve be used for seawater service?
A: Yes, the cast iron body with appropriate anti-corrosion coating (e.g., epoxy) is suitable for seawater. We recommend confirming your specific medium and temperature with our technical team to ensure compatibility. -
Q: What is the difference between 10K and PN16?
A: 10K is a JIS pressure class approximately equivalent to 1.0 MPa, while PN16 is an ISO rating of 1.6 MPa. This valve is designed to meet both specifications, offering flexibility for international projects. Always verify the actual test pressure requirements for your system. -
Q: What sealing material is used in the valve seat?
A: The standard seat is made of bronze (or cast iron with lapped surfaces). For tighter shut-off or corrosive media, we offer optional PTFE or metal seat inserts. Contact us for customized sealing solutions. -
Q: Is the valve bi-directional?
A: Globe valves are generally directional. This valve is designed to seal better when flow is under the disc (normal installation). Please follow the flow arrow marked on the body. Reverse installation may reduce sealing performance. -
Q: What is the lead time for a DN50 cast iron globe valve?
A: Standard sizes up to DN50 are usually in stock or produced within 15–25 working days depending on quantity. For larger volumes or customized materials, please inquire for a specific delivery schedule. -
Q: Do you provide a test certificate?
A: Yes, each valve is hydrostatically tested per JIS F7305. We provide a mill test certificate and can arrange third-party inspection upon request. -
Q: Can I get a sample before bulk order?
A: Absolutely. Sample orders are welcome. We offer competitive pricing for samples, and the cost can be deducted from your first bulk order. -
Q: What sizes are available besides DN50?
A: We manufacture JIS F7305 globe valves in sizes from DN15 to DN300. Please consult our product catalog for the full range, or contact us for non-standard dimensions.
With a strong track record and a dedicated team, Shanghai Zhibang Valve Manufacture Co., Ltd. is your partner for reliable fluid control solutions. Contact us today for a quote or technical consultation. We look forward to serving your marine and industrial valve needs.
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