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Help Center5K Marine Globe Valve JIS F7305 Cast Iron Flanged DN50-DN200 Handwheel Operated Standard Compliant
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Shanghai Zhibang Valve Manufacture Co., Ltd. proudly presents our 5K Marine Globe Valve JIS F7305 Cast Iron Flanged DN50-DN200 Handwheel Operated Standard Compliant – a reliable, durable, and precision-engineered solution for marine piping systems. As an ISO9001-certified manufacturer with over 8 years of experience and an annual export value exceeding US$1 million, we understand the critical requirements of the maritime industry. This globe valve is designed to meet the strict JIS F7305 standard, ensuring leak-free performance, easy maintenance, and long service life in demanding shipboard applications.
Our cast iron flanged globe valve is available in sizes from DN50 to DN200, with a 5K pressure rating, making it suitable for seawater, freshwater, fuel oil, and other common marine media. The handwheel-operated design provides precise flow regulation, while the robust cast iron body and flanged connections guarantee secure installation and resistance to corrosion. Whether you are building new vessels or retrofitting existing systems, this valve delivers consistent quality and operational safety.
Key Features & Technical Specifications
- Material: High-grade cast iron (GG25) for excellent strength and longevity.
- Pressure Rating: 5K (0.5 MPa / 5 bar) – ideal for low to medium pressure marine systems.
- Design Standard: JIS F7305 – fully compliant with Japanese Industrial Standards for marine valves.
- Connection: Flanged ends (JIS 10K flange drilling pattern optional) – easy to install and seal.
- Size Range: DN50, DN65, DN80, DN100, DN125, DN150, DN200 – covers most ship piping needs.
- Operation: Handwheel with rising stem – smooth, precise throttling and full shut-off.
- Disc Type: Conventional globe disc with replaceable seat ring for long-term economy.
- Surface Treatment: Painted with marine-grade epoxy or anti-corrosion coating (color customizable).
- Testing: 100% hydrostatic shell test and seat leakage test before shipment.
| Parameter | DN50 | DN100 | DN200 |
| Nominal Diameter | 50 mm | 100 mm | 200 mm |
| Overall Length (L) | 180 mm | 250 mm | 400 mm |
| Flange Diameter (D) | 120 mm | 175 mm | 290 mm |
| Weight | ~6.5 kg | ~18 kg | ~55 kg |
Note: Technical data is for reference. Custom dimensions and special coatings are available upon request.
Product Advantages & Customer Benefits
- Superior Leak Tightness: The globe valve design ensures positive shut-off even under fluctuating pressures; metal-to-metal seating with optional PTFE insert for bubble-tight sealing.
- Easy Maintenance: Bonnet design allows quick access to internal parts; seat rings are replaceable without removing the valve from the pipeline.
- Corrosion Resistance: Cast iron body with anti-corrosion paint withstands harsh marine environments – saltwater, humidity, and temperature variations.
- Standard Compatibility: Flanges conform to JIS B2238 (or JIS 10K drilling pattern) – interchangeable with most existing marine systems.
- Versatile Media: Suitable for freshwater, seawater, cooling water, fuel oil, lubricating oil, and non-aggressive fluids.
- Full Traceability: Each valve is marked with size, pressure rating, material, and serial number for quality assurance.
Quality Assurance & Trust
Shanghai Zhibang Valve has been a dedicated manufacturer since 2016, with ISO9001 certification and annual exports valued at US$1 Million – US$1.5 Million to markets across North America, South America, Europe, Southeast Asia, Africa, Oceania, the Middle East, and beyond. Our valves undergo rigorous checks including material composition analysis, dimensional inspection, and hydraulic testing to ensure 100% compliance. We ship from Shanghai, Guangzhou, Hong Kong, or Beijing, with flexible logistics to meet your project deadlines. When you choose Zhibang, you choose a partner committed to reliability, competitive pricing, and after-sales support.
Contact us today for a quote or technical consultation. We guarantee fast response, professional service, and products that meet your vessel’s exact requirements.
Frequently Asked Questions (FAQ)
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Q: Is this valve suitable for high-pressure marine systems?
A: The valve is rated 5K (0.5 MPa / 5 bar), which is typical for low to medium pressure shipboard applications. For higher pressures, please inquire about our other models. -
Q: Can I get a different flange standard, such as ANSI or DIN?
A: Yes, we offer flanged connections according to JIS, ANSI, DIN, or GB standards on request. Please specify your requirement when ordering. -
Q: What is the delivery time for a quantity of 50 units?
A: Typical lead time is 15–25 working days after order confirmation, depending on size and quantity. Contact our sales team for exact scheduling. -
Q: Do you provide certificates for materials or testing?
A: Yes, we can provide material certificates (EN 10204 2.2 or 3.1), hydrostatic test reports, and a certificate of origin at no extra cost upon request. -
Q: Is the handwheel position adjustable for tight spaces?
A: The handwheel is fixed on the rising stem. If space is limited, we can supply a bevel gear actuator or remote operation option. Contact us for customization. -
Q: How do I select the correct valve for seawater service?
A: Our cast iron valves with marine-grade epoxy coating are suitable for seawater. For longer life, we recommend optional stainless steel trim or bronze alloys. Please discuss with our engineers. -
Q: What is the warranty period?
A: We offer a standard 12-month warranty from shipment date against manufacturing defects. Extended warranty is negotiable for large projects. -
Q: Can I order a sample valve for testing before bulk purchase?
A: Yes, sample orders are welcome. We can ship a single unit with full documentation. The sample cost is deductible from the first bulk order.
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