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Help CenterJIS F7305 10K Marine Globe Valve for Ship Seawater Cooling System Flanged DN65
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Shanghai Zhibang Valve Manufacture Co., Ltd. is proud to present our JIS F7305 10K Marine Globe Valve – a dedicated solution for ship seawater cooling systems. With flanged DN65 connections and a robust 10K pressure rating, this valve is engineered to withstand the harsh marine environment while delivering precise flow control. As an experienced manufacturer since 2016, we combine rigorous quality management (ISO9001 certified) with practical expertise to offer durable, high-performance valves trusted by global shipping fleets.
Our globe valve is designed specifically for seawater cooling applications, featuring corrosion-resistant materials and a reliable sealing design. The JIS F7305 standard ensures dimensional accuracy and interchangeability, making it an ideal choice for new builds and retrofits alike. Below we detail the key features, technical specifications, and benefits that set this product apart.
Key Features & Benefits
- Marine-Grade Corrosion Resistance: Constructed from high-quality materials (cast iron, bronze, or stainless steel options available) to resist saltwater corrosion and prolong service life.
- Precise Flow Control: Globe valve design provides excellent throttling capability, allowing fine adjustment of seawater flow in cooling systems.
- JIS F7305 Compliance: Manufactured strictly according to Japanese Industrial Standard F7305, ensuring compatibility with existing piping systems in ships.
- Enhanced Sealing Performance: Advanced sealing technology reduces leakage risk, crucial for maintaining system pressure and preventing water ingress.
- Versatile Installation: Flanged DN65 connections (JIS 10K flange standard) simplify mounting and disassembly, reducing maintenance downtime.
- Certified Quality: Our valve is produced under an ISO9001 quality management system, guaranteeing consistent reliability and traceability.
- Customizable Options: Available with manual handwheel, gearbox, or pneumatic/electric actuators (upon request) to suit different remote control needs.
Technical Specifications
| Standard | JIS F7305 |
| Pressure Rating | 10K (approx. 1.0 MPa / 145 psi) |
| Size | DN65 (2.5 inches) |
| Connection | Flanged (JIS 10K flange) |
| Body Material Options | Cast Iron (GG25), Bronze (C95800), Stainless Steel (CF8M) |
| Disc Material | Stainless steel or bronze (matching body) |
| Seat Seal | Metal-to-metal or soft seal (PTFE/NBR) available |
| Operating Temperature | -20°C to +120°C (depending on material) |
| Certification | ISO9001:2015 |
Table 1: Main technical parameters for the JIS F7305 10K marine globe valve DN65. All dimensions and pressure ratings conform to JIS B2290 (flange standard) and JIS F7305. Custom material combinations and actuator types are available upon request.
Application in Ship Seawater Cooling Systems
Seawater cooling systems are critical for engine heat dissipation, ballast handling, and auxiliary machinery on vessels. This globe valve excels in such demanding environments:
- Flow Regulation: The globe valve's linear motion disc allows gradual opening, ideal for controlling cooling water flow rate to prevent thermal shock.
- Shut-Off Reliability: When fully closed, the valve provides a tight seal to isolate sections for maintenance or emergency operation.
- Safety & Durability: All wetted parts are selected for seawater resistance. Optional epoxy coating on cast iron bodies adds extra protection.
- Easy Maintenance: Top-entry bonnet design simplifies inspection and replacement of internal components without removing the valve from the pipeline.
Why Choose Shanghai Zhibang Valve?
Founded in 2016, Shanghai Zhibang Valve Manufacture Co., Ltd. has grown into a reliable global supplier with annual export value between US$1 Million and US$1.5 Million. Our main markets span North America, South America, Europe, Southeast Asia, Africa, Oceania, the Middle East, and Asia, serving shipbuilders, offshore operators, and marine maintenance yards. We are ISO9001 certified, ensuring every valve leaves our factory with complete quality documentation.
Our global logistics network ships from Shanghai, Guangzhou, Hong Kong, and Beijing, offering flexible delivery options. With a dedicated team of engineers and after-sales support, we provide customized solutions for seawater cooling systems, including actuator integration, special coatings, and non-standard end connections. From prototype to production, your satisfaction is our priority.
Invest in a valve that delivers consistent performance in the toughest marine conditions. Contact us today for a quote or technical consultation – we are ready to work with you.
Frequently Asked Questions
- Q: Is this valve suitable for freshwater cooling systems as well? A: Yes, it can be used for both seawater and freshwater applications. However, if the system uses aggressive chemicals, please consult our engineers for material recommendations.
- Q: What is the maximum operating pressure for this DN65 globe valve? A: The 10K rating corresponds to a nominal pressure of 1.0 MPa (approx. 145 psi) at ambient temperature. Higher temperatures may reduce the allowable pressure – refer to our pressure-temperature chart.
- Q: Can I get the valve with an electric actuator for remote control? A: Absolutely. We offer pneumatic, electric, and hydraulic actuator options. Please provide your voltage (e.g., 220V AC, 24V DC) and control signal type (on/off or modulating) during ordering.
- Q: What flange facing is used – raised face or flat face? A: Standard flanges are raised face (RF) per JIS B2290. Flat face (FF) can be produced for special gasket requirements. Please specify when placing an order.
- Q: Do you provide any warranty on your marine globe valves? A: Yes, we offer a 12-month warranty from the date of shipment against manufacturing defects. Extended warranty terms are negotiable for bulk orders.
- Q: What documents are included with the shipment? A: Each valve comes with a test certificate, material certificate (optional), and an inspection report. ISO9001 compliance ensures traceability.
- Q: How can I confirm the exact weight and dimensions for my installation space? A: We can provide a dimensional drawing upon request. Typical face-to-face dimension for DN65 JIS F7305 globe valve is around 290mm, but please confirm with our sales team for the latest datasheet.
- Q: Is this valve available in all common body materials, and what is the lead time? A: Our standard materials are cast iron (GG25) and bronze (C95800). Stainless steel (CF8M) is available with longer lead time. For stock sizes, delivery is typically 7–15 days after order confirmation.
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