Compliant JIS F7305 Seawater Globe Valve, Standard Compliant, Warranty, Ductile Iron Body, 316L Internals
Product Spotlights
Shanghai Zhibang Valve Manufacture Co., Ltd — a dedicated manufacturer since 2016 with an annual export value of US$1–1.5 million — proudly presents the Compliant JIS F7305 Seawater Globe Valve. Designed specifically for demanding marine and seawater environments, this valve features a robust ductile iron body and 316L stainless steel internals to ensure excellent corrosion resistance and long service life. Every unit is manufactured in full compliance with the JIS F7305 standard, and backed by a standard warranty, giving you confidence in both performance and reliability.
This globe valve is engineered to provide precise flow regulation and bubble-tight shut-off in seawater pipelines, desalination plants, ballast water systems, and other offshore applications. Its combination of durability, precision, and compliance makes it a smart choice for shipbuilders, marine engineers, and industrial operators who demand quality.
Below you will find a detailed breakdown of the product’s technical features, specifications, and the benefits that set it apart from ordinary valves.
Key Features & Technical Specifications
| Parameter | Details |
|---|---|
| Body Material | Ductile Iron (ASTM A536 grade 65-45-12 equivalent) – high strength, impact resistance, and reduced weight compared to cast iron. |
| Internal Trim | 316L Stainless Steel (disk, seat, stem) – superior corrosion resistance in chloride-rich seawater. |
| Standard | JIS F7305 – Japanese Industrial Standard for marine valves, ensuring dimensional and testing compliance. |
| Size Range | DN50 (2”) to DN300 (12”) – other sizes customizable upon request. |
| Pressure Rating | Available per JIS F7305 (e.g., 10K, 16K) – please specify your requirement. |
| Connection | Flanged ends (standard) – RF or FF, optional butt-weld or threaded ends. |
| Operation | Handwheel (manual) standard; gearbox, pneumatic, or electric actuator optional. |
| Warranty | 12 months (standard) – extended warranty available upon request. |
Performance & Design Highlights
- Corrosion Resistance: The 316L internals combined with a ductile iron body treated with epoxy coating provide excellent protection against seawater corrosion, extending valve life even under constant saline exposure.
- Precise Flow Control: The globe valve design allows for fine throttling and linear flow characteristics, making it ideal for regulating flow rates in piping systems.
- Bubble-Tight Shut-Off: The metal-to-metal seating (316L disc against seat) ensures a tight seal when fully closed, minimizing leakage.
- Standard Compliance: Full adherence to JIS F7305 ensures interchangeability and consistent performance across vessels and marine installations worldwide.
- Durability: Ductile iron offers higher tensile strength and elongation than gray iron, reducing the risk of cracking under thermal or mechanical stress.
- Easy Maintenance: The valve can be serviced in-line with a bonnet design that allows quick access to internal parts.
- Wide Operating Temperature: Suitable for temperatures from -10°C to 150°C (depending on pressure rating), covering most marine applications.
Why Choose This Seawater Globe Valve?
- Factory Direct Pricing: As a manufacturer, we eliminate middleman costs. You get competitive prices without compromising quality.
- ISO9001 Quality Management: Our production processes are ISO9001 certified, ensuring consistent quality control from raw material inspection to final testing.
- Global Logistics: We ship from major ports including Shanghai, Guangzhou, Hong Kong, and Beijing, providing flexible and fast delivery to any continent.
- Customization Options: Need a non-standard size, special coating, or actuator? We offer customization to meet your specific project requirements.
- Reliable After-Sales Support: Our technical team provides prompt responses and spare parts availability to minimize your downtime.
With over US$1 million in annual export value and presence in over 15 global markets (including North America, Europe, South America, Middle East, and Southeast Asia), Shanghai Zhibang Valve has earned a reputation for delivering marine valves that perform under the toughest conditions. Our JIS F7305 seawater globe valve has been installed in numerous commercial vessels, offshore platforms, and coastal industrial projects.
We stand behind every product with a standard 12-month warranty and rigorous pressure testing (hydrostatic and seat leakage tests) before shipment. Each valve comes with a test certificate and material traceability if required.
Ready to upgrade your marine piping system? Contact us today to request a quote, ask for technical drawings, or discuss customization. Our sales team is available to assist you with a seamless ordering experience.
Frequently Asked Questions (FAQ)
-
Q: What does “JIS F7305” compliance mean for this globe valve?
A: JIS F7305 is a Japanese Industrial Standard that specifies dimensions, pressure ratings, materials, and testing requirements for marine globe valves. Our valve is manufactured to meet these criteria, ensuring compatibility with JIS flanges and reliable performance in marine applications. -
Q: Can this valve be used for other fluids besides seawater?
A: Yes, the 316L internals and ductile iron body make it suitable for a wide range of corrosive media, such as brine, brackish water, and many chemical solutions. However, always verify material compatibility with your specific fluid at operating conditions. -
Q: Is the valve supplied with a handwheel as standard? Can I order it with an actuator?
A: The standard configuration includes a handwheel. Pneumatic, electric, and hydraulic actuators are available as optional add-ons. Please specify your actuation requirement when placing an order. -
Q: What is the typical lead time for this product?
A: For standard sizes (DN50–DN200), lead time is approximately 15–25 working days. Larger sizes or customized versions may require 30–45 working days. Shipment can be expedited upon request. -
Q: Do you provide a certificate of material traceability?
A: Yes, material test reports (including chemical composition and mechanical properties) can be provided at an additional cost or included in the order upon request. Our standard delivery includes a pressure test certificate. -
Q: What is the warranty coverage? Does it include parts and labor?
A: Our standard warranty covers manufacturing defects in materials and workmanship for 12 months from the date of shipment, covering replacement parts or repair. Labor costs for installation are not included. Extended warranty terms are negotiable for large-volume orders. -
Q: Can I get a sample or small quantity for testing?
A: Yes, we support sample orders or small trial quantities. Please contact our sales team with your requirements. Sample cost and shipping charges will apply, but we offer a refund if a full production order is placed later. -
Q: What kind of packing and shipping do you provide?
A: Each valve is individually packed in a plywood case or carton with foam cushioning to prevent damage during transit. We ship via sea, air, or express courier (DHL, UPS, FedEx) depending on your preference and order size.
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