DN50-DN200 JIS F7305 5K Marine Globe Valve Cast Iron Rising Stem Flanged Connection
Product Spotlights
Shanghai Zhibang Valve Manufacture Co., Ltd., established in 2016 with an annual export value exceeding USD 1 million, presents our premium JIS F7305 5K Marine Globe Valve in cast iron with rising stem and flanged connection. Engineered specifically for demanding marine environments, this valve delivers reliable flow regulation and shut-off performance across a wide size range from DN50 to DN200. Our factory in Shanghai adheres strictly to JIS F7305 standards, ensuring dimensional accuracy and pressure integrity that meet the expectations of global shipbuilders and marine engineers.
Key Features & Technical Specifications
- High-Quality Cast Iron Body: Offers excellent corrosion resistance in seawater and freshwater systems, with durable coating options available upon request.
- Rising Stem Design: Provides clear visual indication of valve position (open/closed), simplifying operation and maintenance on deck or engine room.
- Flanged Connection (JIS 5K Flange): Compatible with standard JIS B2238 flanges, ensuring leak-proof installation and easy retrofitting.
- Pressure Rating 5K: Suitable for low-to-medium pressure marine piping systems (rated for 0.5 MPa working pressure).
- Full Range DN50–DN200: Available in multiple sizes to match shipboard pipeline requirements; custom sizes are not offered, but intermediate dimensions can be inquired.
- ISO9001 Certified Manufacturing: Our quality management system ensures consistent product uniformity and traceability.
Detailed Parameters
| Parameter | Specification |
|---|---|
| Design Standard | JIS F7305 |
| Pressure Class | 5K |
| Nominal Diameter | DN50, DN65, DN80, DN100, DN125, DN150, DN200 |
| Body Material | Cast Iron (GG25 or equivalent) |
| Stem Material | Brass / Stainless Steel (optional) |
| Operation Temperature | -10°C to +120°C (depending on sealing material) |
| End Connection | Flanged (JIS 5K face-to-face dimensions per JIS B2002) |
| Test Pressure | Shell: 1.5 x rated pressure; Seat: 1.1 x rated pressure |
Advantages for Your Marine Applications
- Corrosion Resistance: Cast iron body with optional epoxy coating withstands harsh saltwater environments, extending service life.
- Easy Maintenance: Rising stem allows quick visual check of valve position; repacking can be performed without removing the valve from the line.
- Reliable Sealing: Metal-to-metal or optional soft seat inserts ensure bubble-tight shut-off per JIS F7305 requirements.
- Global Compatibility: JIS flange dimensions make this valve suitable for ships built to Japanese standards and many international vessels.
- Cost-Effective: Competitive pricing without compromising on quality – a result of our streamlined manufacturing in Shanghai.
Why Choose Shanghai Zhibang Valve?
As a dedicated manufacturer with a strong export record to North America, South America, Europe, Southeast Asia, Africa, Oceania, and the Middle East, we have supplied thousands of marine valves to satisfied clients worldwide. Our ISO9001 certification guarantees consistent quality control from raw material inspection to final pressure testing. With annual export value between USD 1 million and USD 1.5 million, we maintain stable production capacity and prompt delivery from Shanghai, Guangzhou, Hongkong, or Beijing ports. Contact us today for a quotation or technical drawing – our team is ready to support your project with reliable marine globe valves.
Frequently Asked Questions
-
Q: What is the working pressure of the 5K globe valve?
A: The 5K rating corresponds to a maximum working pressure of 0.5 MPa at ambient temperature. For higher pressures, please inquire about our 10K or 16K series. -
Q: Can I use this valve for steam service?
A: Yes, but the temperature limit is typically 120°C for standard cast iron. For higher-temperature steam, we recommend a steel or bronze variant – please contact our sales team. -
Q: Does the valve come with a handwheel? Is it painted?
A: Yes, each valve includes a malleable cast iron handwheel. The standard finish is a primer coat (red or grey); custom painting (e.g., marine-grade epoxy) is available upon request. -
Q: What flange standard does the valve comply with?
A: The flanges are drilled to JIS B2238 5K drilling pattern. For other flange standards (ANSI, PN16), we offer adaptations in our custom product range. -
Q: Is the valve bidirectional?
A: Globe valves are generally directional; flow should enter under the disc for proper shut-off. Unidirectional flow is recommended, but reversed flow operation is possible with some pressure loss. -
Q: How long is the delivery time for DN100 quantity 50 pieces?
A: Standard production takes 15–30 working days depending on order quantity. For urgent orders, express delivery can be arranged. Please provide your specific requirement for a precise lead time. -
Q: What certifications do you provide with the shipment?
A: We provide ISO9001 certificate, material test certificates, pressure test reports, and a certificate of conformity. Additional third-party inspection (e.g., by Lloyd’s or DNV) is possible at extra cost. -
Q: Can I get a sample valve for testing?
A: Yes, sample orders are welcome. Sample cost and shipping charges apply, but we can deduct the sample fee from your first bulk order.
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