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Help CenterJIS F7312 16K Cast Steel Globe Valve, DN50 Flanged, 2.5MPa Working Pressure, High Temperature Resistant Up to 425°C
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We are Shanghai Zhibang Valve Manufacture Co., Ltd., a professional valve manufacturer established in 2016 with ISO9001 certification. Our JIS F7312 16K Cast Steel Globe Valve is designed for demanding industrial environments where high temperature and pressure resistance are critical. This DN50 flanged globe valve, rated at 2.5MPa working pressure and capable of withstanding temperatures up to 425°C, represents the perfect balance of durability, safety, and performance for your pipeline systems.
Product Overview
The JIS F7312 globe valve is manufactured from premium cast steel, ensuring excellent mechanical strength and corrosion resistance. Its flanged connection conforms to JIS standard dimensions, making it easy to install in existing piping networks. The valve is engineered for reliable flow regulation and positive shut-off under extreme conditions, commonly used in steam, hot oil, and high-temperature fluid applications.
Key Features & Benefits
- High Temperature Resistance: Withstands continuous operation up to 425°C, making it suitable for superheated steam and thermal fluid systems.
- Robust Pressure Rating: Designed for 2.5MPa (16K) working pressure, ensuring safe operation in high-pressure lines.
- Superior Material: Cast steel body and bonnet provide excellent strength, toughness, and resistance to thermal shock.
- Leak-Tight Sealing: Precision machined disc and seat ensure minimal leakage, meeting stringent industrial standards.
- Easy Maintenance: Bolted bonnet design allows quick internal inspection and part replacement without removing the valve from the pipeline.
- Versatile Application: Suitable for oil, gas, steam, water, and various high-temperature media in refineries, power plants, chemical plants, and marine systems.
Technical Specifications
| Standard | JIS F7312 |
| Type | Globe Valve (Stop Valve) |
| Material | Cast Steel (SCPH2 or equivalent) |
| Nominal Diameter | DN50 (2 inch) |
| Connection | Flanged (JIS B2220 10K/16K compatible) |
| Pressure Rating | 2.5MPa (16K) |
| Operating Temperature | -29°C to +425°C |
| End Flange Standard | JIS B2220 |
| Test Pressure (Shell) | 3.75MPa |
| Test Pressure (Seat) | 2.75MPa |
| Operation | Handwheel (manual) |
Design & Construction Details
The valve features a straight-through flow path with a rising stem and handwheel for precise throttling control. The disc is guided to ensure concentric seating, reducing wear and extending service life. Stainless steel seat rings are optional for enhanced corrosion resistance in aggressive media. The gland packing is made of high-temperature graphite for reliable stem sealing. Every valve undergoes hydrostatic shell and seat leakage tests before shipment to guarantee performance.
Why Choose Our JIS F7312 Globe Valve?
- Manufactured in ISO9001 certified facility – consistent quality control from raw materials to finished products.
- Annual export value of US$1-1.5 million – trusted by global buyers across 5 continents.
- Flexible shipment ports – Shanghai, Guangzhou, Hong Kong, Beijing for efficient logistics.
- Wide market coverage – suitable for North America, South America, Europe, Asia, Africa, and Oceania.
- Customization available – optional gearbox, electric actuator, locking device, or special coatings upon request.
Frequently Asked Questions (FAQ)
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Q: What media can this valve handle?
A: It is suitable for steam, hot water, thermal oil, compressed air, gas, and various non-aggressive liquids. For corrosive media, stainless steel trim options are available. -
Q: Is the valve suitable for on/off service or throttling?
A: Globe valves are excellent for both isolation and flow regulation. The JIS F7312 design provides good throttling characteristics with minimal vibration. -
Q: What is the pressure rating of the flanges?
A: The flanges are designed to JIS B2220 16K specification, matching the 2.5MPa valve rating. They are compatible with JIS 10K flanges with proper gasket selection (derating may apply). -
Q: Do you provide a test certificate?
A: Yes, each valve comes with a material certificate and hydrostatic test report. Additional third-party inspection (e.g., Lloyd's or BV) can be arranged at extra cost. -
Q: What is the typical lead time?
A: Standard DN50 size is usually in stock or produced within 15-25 working days after order confirmation. Custom orders may take longer. -
Q: Can the valve be supplied with an actuator?
A: Yes, we offer electric, pneumatic, and hydraulic actuators as optional add-ons. Please specify your requirements when ordering. -
Q: What is the warranty period?
A: We provide a 12-month warranty from the date of shipment against manufacturing defects under normal operating conditions. -
Q: How should I install this valve?
A: Ensure the piping is clean, align flanges properly, use appropriate gaskets, and tighten bolts evenly. The valve can be installed in any orientation except with the handwheel pointing downward.
Trust & Reliability
Shanghai Zhibang Valve Manufacture Co., Ltd. has been serving global industrial clients since 2016, with an annual export volume of over US$1 million. Our ISO9001 quality management system ensures that every JIS F7312 globe valve meets rigorous international standards. We have successfully supplied valves to projects in Eastern Europe, Southeast Asia, Africa, and the Middle East, earning repeat orders through consistent quality and on-time delivery. Contact us today for competitive pricing and technical support – your reliable partner for high-temperature valve solutions.
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