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Help CenterJIS F7312 Marine Globe Valve 16K For Steam System, Cast Steel, DN125 Flanged, Heat Resistant
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Shanghai Zhibang Valve Manufacture Co., Ltd is proud to present our high-performance JIS F7312 Marine Globe Valve 16K, specifically engineered for demanding steam systems. Manufactured from premium cast steel and featuring a DN125 flanged connection, this valve offers exceptional heat resistance and reliable shut-off capabilities. With over 8 years of valve manufacturing experience and an annual export value exceeding US$1 million, we deliver products that meet the rigorous standards of marine and industrial applications worldwide.
This globe valve is designed to control the flow of steam and other high-temperature fluids in piping systems. Its robust cast steel body ensures long service life even under extreme thermal stress, while the 16K pressure rating (equivalent to PN16) provides stable performance in moderate to high-pressure environments. The flanged ends simplify installation and maintenance, making it an ideal choice for shipbuilding, power plants, petrochemical facilities, and industrial steam distribution networks.
Key Features & Technical Specifications
| Parameter | Value |
|---|---|
| Standard | JIS F7312 |
| Material | Cast Steel (WCB or equivalent) |
| Pressure Rating | 16K (PN16) |
| Connection | Flanged (RF/FF) |
| Nominal Diameter | DN125 (5 inch) |
| Temperature Range | -10°C to 400°C (steam service) |
| Body Seat Material | 13Cr / SS304 (optional) |
Product Advantages & Customer Benefits
- Heat Resistant Cast Steel Body – withstands high-temperature steam without deformation or reduced strength, ensuring safe operation even during thermal cycling.
- JIS F7312 Compliance – fully meets Japanese Industrial Standards for marine valves, guaranteeing interchangeability and compatibility with existing shipboard systems.
- 16K Pressure Class – suitable for medium-pressure steam applications commonly found in marine boilers and auxiliary steam lines.
- Flanged Ends (DN125) – easy to install, remove, or replace, reducing downtime and maintenance costs. Standard flange dimensions allow universal fitting.
- Precision Machined Seat & Disc – delivers bubble-tight shut-off when closed, minimizing steam leakage and improving system efficiency.
- Versatile Application – ideal for steam, hot water, compressed air, and non-corrosive liquids in shipbuilding, power generation, and industrial process plants.
- Long Service Life – robust construction and corrosion-resistant internal components (available in 13Cr or stainless steel) extend operational cycles.
Our manufacturing process follows strict ISO9001 quality management protocols, from raw material inspection to final pressure testing. Each valve undergoes hydrostatic shell test (1.5× rated pressure) and seat leakage test (1.1× rated pressure) to ensure zero defects. The surface is finished with anti-rust primer and customizable paint options (blue, silver, or customer color).
Trust & Credibility
Shanghai Zhibang Valve has been a reliable manufacturer since 2016, with an annual export value between US$1 million and US$1.5 million. Our products are shipped from major ports including Shanghai, Guangzhou, Hong Kong, and Beijing, reaching clients across North America, South America, Eastern Europe, Southeast Asia, Africa, Oceania, the Middle East, and many other regions. We hold an ISO9001 certification, reflecting our commitment to consistent quality. With a dedicated engineering team and responsive customer service, we provide tailored solutions for marine and industrial valve requirements.
We invite you to choose the JIS F7312 Marine Globe Valve 16K for your next project. Its proven heat resistance, durable construction, and competitive pricing make it a valuable asset for any steam system. Contact us today for a quotation, technical drawing, or sample request – our team is ready to support your global operations.
Frequently Asked Questions (FAQ)
Q1: What is the maximum working temperature for this valve in steam service?
The standard cast steel (WCB) body can handle steam temperatures up to 400°C. For higher temperature requirements, optional alloy steel materials are available upon request.
Q2: Can this valve be used with superheated steam or saturated steam?
Yes, it is suitable for both saturated and superheated steam within the specified pressure-temperature limits. Please provide your exact operating conditions for optimal material selection.
Q3: What flange standard does this valve comply with?
The flanges are designed according to JIS B2220 for 10K/16K class, but we can also supply with ANSI or DIN flanges if customized. Standard JIS flanges are RF (raised face).
Q4: Does the valve come with a manual handwheel or gear operator?
Standard operation is by handwheel. For larger sizes (above DN200) or high-torque applications, a gearbox or pneumatic/electric actuator can be added as an optional upgrade.
Q5: Is this valve suitable for offshore or marine environments?
Yes, it is specifically designed for marine use under JIS F7312, with corrosion-resistant coating and materials that withstand saltwater atmosphere. Additional epoxy painting can be arranged.
Q6: What is the lead time for DN125 size?
Typically 15–25 working days for standard sizes. Customized options may require 30–45 days. We suggest contacting our sales team for current stock availability.
Q7: Do you provide a quality guarantee?
Yes, each valve carries a 12-month warranty from shipment date against manufacturing defects. We also offer free replacement parts for any quality issues under normal use.
Q8: Can I order a sample or small quantity for testing?
Absolutely. We welcome sample orders (1–2 pieces) to evaluate performance. Please contact us to discuss the terms and shipping costs.
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