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Help CenterJIS F7305 Globe Valve 304/316L, Butt Weld Connection, DN80, 10K, Non-rising Stem, PTFE Gasket
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Shanghai Zhibang Valve Manufacture Co., Ltd. presents the JIS F7305 Globe Valve with body materials in 304 or 316L stainless steel, butt weld connection, DN80 size, 10K pressure rating, non-rising stem design, and PTFE gasket. As a manufacturer since 2016 with ISO9001 certification, we combine precision engineering with cost-effective solutions to deliver valves that meet rigorous industrial standards. Our annual export value of US$1-1.5 million to markets across North America, Europe, Asia, and Africa reflects global trust in our products. This globe valve offers reliable flow control, corrosion resistance, and leak-tight sealing for demanding applications.
Product Overview & Key Features
- JIS F7305 Compliant: Manufactured strictly in accordance with Japanese Industrial Standard F7305, ensuring dimensional accuracy and interchangeability.
- 304/316L Stainless Steel Construction: The valve body and trim are available in 304 (for general corrosive media) or 316L (superior resistance to chlorides and acids) – both provide excellent mechanical strength.
- Butt Weld Connection (DN80): Provides a permanent, leak-free joint ideal for high-pressure and high-temperature piping systems. Suitable for welding directly into pipelines.
- 10K Pressure Rating: Rated for 10 kgf/cm² (approximately 1.0 MPa) at ambient temperature, suitable for moderate-pressure steam, water, oil, and gas applications.
- Non-rising Stem Design: The stem does not rise when the valve is opened – ideal for limited vertical space installations. The handwheel position remains constant, improving safety and operability in confined areas.
- PTFE Gasket: Polytetrafluoroethylene (PTFE) gasket provides excellent chemical resistance, low friction, and high temperature tolerance (up to 230°C), ensuring reliable sealing over the valve’s service life.
- Straight-through Flow Path: The globe valve’s linear motion design offers good throttling capability and positive shut-off with minimal pressure drop compared to other valve types.
Technical Specifications
| Standard | JIS F7305 |
| Size | DN80 (3") |
| Pressure Rating | 10K (1.0 MPa / 145 psi at 120°C) |
| Body Material | 304 or 316L Stainless Steel |
| Trim Material | 304/316L (same as body) |
| Stem Type | Non-rising Stem (OS&Y on request) |
| Connection | Butt Weld (BW) per JIS B2301 |
| Gasket | PTFE (optional: Graphite, Spiral Wound) |
| Operation | Handwheel (gear operation optional) |
| Applicable Media | Water, Steam, Oil, Gas, Chemicals |
| Certification | ISO9001:2015 |
Detailed Advantages & Customer Benefits
Our JIS F7305 globe valve is engineered to provide exceptional flow control in industrial processes. The butt weld connection eliminates flange leakage points and reduces maintenance – a significant advantage for high-cycle applications. The non-rising stem design not only saves vertical space but also protects the stem threads from dirt and corrosion, extending valve life. With 304/316L stainless steel, you gain outstanding resistance to pitting, crevice corrosion, and stress corrosion cracking in aggressive environments like seawater, chemical plants, and food processing.
The PTFE gasket ensures a tight seal even after repeated thermal cycling, and its low coefficient of friction allows smooth operation with reduced torque. The valve’s 10K pressure rating (1.0 MPa) covers a wide range of typical industrial applications including chilled water, low-pressure steam, and non-hazardous gases. For higher pressures, we offer custom options up to 20K upon request.
Every valve undergoes hydrostatic and pneumatic testing per JIS B2002 to guarantee zero leakage. Our manufacturing facility in Shanghai is equipped with CNC machining centers, and each unit is inspected by our quality team under the ISO9001 system. This rigorous process results in consistent performance and long service life – reducing your total cost of ownership.
Company Trust & After-sales Support
Since 2016, Shanghai Zhibang Valve Manufacture Co., Ltd. has been a reliable partner for valve solutions. With ISO9001 certification and an annual export value of US$1-1.5 million, we serve clients in over 15 countries across North America, Europe, Southeast Asia, Middle East, Africa, and Oceania. Our main ports of shipment – Shanghai, Guangzhou, Hong Kong, and Beijing – ensure fast logistics. We offer 24/7 technical support, and spare parts (including gaskets, stems, and handwheels) are available for quick delivery. Choose Zhibang for valves that combine Japanese standard precision with cost-effective Chinese manufacturing.
Frequently Asked Questions (FAQ)
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Q: What is the difference between 304 and 316L material for this valve?
A: 304 is suitable for general corrosive media like water, air, and mild chemicals. 316L contains molybdenum, offering superior resistance to chlorides (e.g., marine environments, bleaching solutions) and is recommended for higher corrosion resistance. Both meet JIS F7305 requirements. -
Q: Can this valve be used for steam service?
A: Yes, the JIS F7305 globe valve with 304/316L body and PTFE gasket is suitable for saturated steam up to 200°C. For superheated steam, we recommend a graphite gasket (optional). The 10K pressure rating applies at 120°C; derating applies at higher temperatures. -
Q: Does the non-rising stem design affect flow control accuracy?
A: No. The non-rising stem only affects the handwheel position – the internal disk movement remains linear and precise. This design is actually beneficial in restricted spaces and improves operator safety by eliminating rising components. -
Q: What are the welding requirements for butt weld connection?
A: The valve ends are prepared per JIS B2301. We recommend butt-welding using stainless steel filler rod (e.g., ER308L for 304, ER316L for 316L) and post-weld passivation to restore corrosion resistance. Detailed welding procedures are available upon request. -
Q: Is the valve supplied with testing documentation?
A: Yes. Each valve includes a material certificate, hydrostatic test report, and dimensional inspection report as standard. Additional Third-party inspection (e.g., by SGS, BV) can be arranged at extra cost. -
Q: Can I get a non-rising stem valve with a gearbox?
A: Yes, we offer optional gear operation for larger sizes or high-torque applications. The gearbox is mounted on the valve yoke without interfering with the non-rising stem mechanism. Please inquire for DN80 or other sizes. -
Q: What is the lead time for this valve?
A: Standard lead time is 15-25 working days for quantities up to 50 pieces. Custom modifications (e.g., special trim, high-pressure rating) may require additional 5-10 days. We maintain a stock of popular sizes and materials for rapid delivery. -
Q: Does Zhibang provide warranty?
A: Yes, we offer a 12-month warranty from the date of shipment against manufacturing defects. Extended warranty up to 24 months is available upon negotiation. Our after-sales team responds within 24 hours for any technical queries.
*Information provided is based on our standard production. For custom requirements, please contact our sales team.
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