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Help CenterJIS F7305 Pneumatic Globe Valve for Shipbuilding Marine Systems, DN200, 10K Flanged, Seawater Resistant
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We at Shanghai Zhibang Valve Manufacture Co., Ltd. are pleased to introduce our JIS F7305 Pneumatic Globe Valve – a high-performance solution purpose-built for shipbuilding and marine systems. Engineered with seawater-resistant materials and precision pneumatic actuation, this DN200, 10K flanged valve delivers reliable, long-lasting flow control under demanding marine conditions. Since our establishment in 2016, we have been manufacturing quality valves for global markets, ensuring each product meets rigorous standards for durability and performance.
Our valve is designed to provide accurate throttling and shut-off in seawater piping systems, cooling water loops, ballast lines, and other marine applications. The combination of robust construction, JIS standard compliance, and pneumatic automation offers shipbuilders and marine engineers a dependable component that minimizes downtime and maintenance. Below, we detail the technical specifications, key features, and benefits that make this valve a smart choice for your marine projects.
Technical Specifications
| Parameter | Value |
|---|---|
| Standard | JIS F7305 |
| Valve Type | Globe Valve |
| Nominal Diameter | DN200 (8 inch) |
| Pressure Rating | 10K (approx. 1.0 MPa / 145 psi) |
| End Connection | Flanged (JIS 10K RF) |
| Actuation | Pneumatic (double-acting or spring-return, optional) |
| Body Material | Seawater-resistant alloy (Bronze / Stainless steel optional) |
| Trim Material | Stainless steel / PTFE (customizable) |
| Seal Material | PTFE / Metal seat (optional) |
| Operating Temperature | -20°C to +200°C (depending on seal) |
| Application | Shipbuilding, marine systems, seawater, cooling water, ballast |
Key Features & Benefits
- Seawater Resistance: The valve body and trim are manufactured from corrosion-resistant materials specifically selected for marine environments, ensuring long service life even in direct seawater contact. This reduces replacement frequency and maintenance costs for ship operators.
- Precise Flow Control: The globe valve design provides excellent throttling characteristics, enabling fine adjustment of flow rates. Combined with pneumatic actuation, it can be integrated into automated control systems for remote or autonomous operation.
- Compliance with JIS F7305: Our valve fully meets the Japanese Industrial Standard for marine valves, guaranteeing dimensional interchangeability, pressure/temperature ratings, and testing procedures recognized by classification societies worldwide.
- DN200 10K Flanged Connection: The JIS 10K flanged ends allow easy installation and seal with standard gaskets and bolting. This size and pressure class are widely used in shipboard piping systems, making the valve a direct replacement for existing installations.
- Pneumatic Actuation Options: We offer both double-acting and spring-return pneumatic actuators (with or without positioner) to suit fail-safe requirements (normally open, normally closed, or air-to-open/close). The actuator can be supplied with accessories such as solenoid valves, limit switches, and manual override.
- Low Operating Torque: Optimized disc and seat design reduce friction and wear, requiring lower air pressure for actuation. This leads to energy savings and prolongs actuator life.
- Rigorous Quality Testing: Every valve undergoes hydrostatic shell test, seat leakage test (according to JIS B2003), and pneumatic actuation test before shipment. Our quality management system is certified to ISO9001, ensuring consistent manufacturing standards.
- Wide Market Acceptance: Our valves have been supplied to shipyards and marine repair facilities across North America, Europe, Southeast Asia, Africa, and Oceania, demonstrating reliable performance under diverse operating conditions.
In addition to the standard configuration, we offer customization options including different actuator brands, position feedback (4-20mA), smart positioner, and special coatings for additional corrosion protection. Our engineering team can also assist with selecting the right actuator size and control accessories for your specific system requirements.
The JIS F7305 Pneumatic Globe Valve is an ideal choice for seawater cooling systems, ballast water treatment, fire fighting lines, and auxiliary process piping aboard various vessel types such as container ships, tankers, bulk carriers, and offshore platforms. Its robust construction withstands vibration, thermal cycling, and pressure surges typical in marine environments.
Why Choose Shanghai Zhibang Valve?
Since 2016, Shanghai Zhibang Valve Manufacture Co., Ltd. has been dedicated to manufacturing high-quality industrial valves. Our annual export value of US$1 million to US$1.5 million reflects the trust placed in our products by clients in over 15 global markets. We hold ISO9001 certification for our quality management system, ensuring that every valve is produced under controlled processes with traceability.
We ship our products from major Chinese ports including Shanghai, Guangzhou, Hongkong, and Beijing, with competitive lead times. Our experienced sales team provides prompt technical support and after-sales service. Whether you need a single valve for a maintenance project or a bulk order for new building, we are ready to accommodate your requirements with customized solutions.
Contact us today for a quotation or technical evaluation. Our JIS F7305 Pneumatic Globe Valve is engineered to deliver dependable service in the harshest marine environments, backed by a manufacturer committed to quality and customer satisfaction.
Frequently Asked Questions (FAQ)
-
Q: What materials are used for the valve body to resist seawater?
A: The standard body material is a seawater-resistant alloy (bronze or stainless steel 316). Stainless steel 304 and other options are available upon request to match your specific water chemistry and operating conditions. -
Q: Does the valve comply with classification society requirements?
A: Yes, our JIS F7305 valve is designed to meet the requirements of major classification societies such as DNV, ABS, Lloyd’s, and CCS. We can provide relevant material certificates and test reports as needed. -
Q: What actuator control options are available?
A: We can supply the valve with a double-acting or spring-return pneumatic actuator. Accessories like solenoid valves (3/2 way or 5/2 way), limit switch boxes, positioners (pneumatic or smart), and I/P converters can be integrated. Manual override (handwheel) is optional. -
Q: What is the maximum operating pressure for DN200 10K valve?
A: The JIS 10K rating corresponds to a maximum allowable working pressure of approximately 1.0 MPa (145 psi) at ambient temperature. Higher pressure ratings (like 20K) are available in other product lines – please inquire if needed. -
Q: Can the valve be used for bidirectional flow?
A: The globe valve is primarily directional – flow should be directed from above the disc (against the seat) to achieve proper shut-off. However, with specific trim design, bidirectional capability is possible. Please consult our engineering team for your application. -
Q: What is the typical lead time for this valve?
A: Standard DN200 10K pneumatic globe valves are usually shipped within 30-45 days from order confirmation. Customized options (special materials, accessories) may require 45-60 days. For urgent needs, we can expedite production upon request. -
Q: What is the warranty period?
A: We offer a standard 12-month warranty from the date of shipment against manufacturing defects in materials and workmanship. Extended warranty options are available for large projects. -
Q: Do you provide installation and maintenance manuals?
A: Yes, each valve is supplied with an instruction manual covering installation, operation, maintenance, and trouble-shooting. Our technical support team is also available to answer any questions.
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