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Help Center304SS JIS Standard Marine Globe Valve OEM With DN50 PN16 Flanged End, 2.5MPa
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Shanghai Zhibang Valve Manufacture Co., Ltd., established in 2016 and located in Shanghai, China, is a professional manufacturer specializing in high-quality industrial valves. With an annual export value of US$1–1.5 million, we supply reliable fluid control solutions to markets across North America, Europe, Southeast Asia, Africa, Oceania, and beyond. Our 304SS JIS Standard Marine Globe Valve with DN50 PN16 Flanged End is a robust, corrosion-resistant valve designed specifically for demanding marine and offshore applications. The combination of premium 304 stainless steel material and precise JIS standard machining ensures longevity, leak-tight performance, and excellent resistance to seawater and chemicals.
This globe valve features a flanged end design conforming to JIS B2210, with a nominal size of DN50 and pressure rating of PN16 (1.6MPa) or optionally up to 2.5MPa upon request. It is ideal for regulating flow in piping systems on ships, offshore platforms, and coastal facilities. As an OEM product, we can customize the valve according to your specific installation requirements, such as different flange drilling patterns, stem lengths, or handle types.
Key Features & Technical Specifications
- High-grade Material: Body, bonnet, and disc made from AISI 304 stainless steel (CF8) – excellent corrosion resistance in marine environments.
- JIS Standard Compliance: Manufactured according to JIS B2071 (valve) and JIS B2210 (flange dimensions).
- Pressure Rating: Standard PN16 (1.6MPa); upgraded version available for 2.5MPa service.
- Suitable for: Fresh water, sea water, steam, oil, and chemical media within temperature range of -20°C to +200°C.
- Low Torque Operation: Precision-machined stem and gland packing reduce operating effort.
- Leak-proof Design: PTFE or graphite packing ensures zero leakage at the stem.
- OEM Capability: Available with customized face-to-face dimensions, handwheel options, or actuator mounting.
- Quality Assurance: 100% hydrostatic testing before shipment; ISO9001 certified production process.
Technical Parameter Table
| Parameter | Value |
| Material | 304 Stainless Steel (CF8) |
| Nominal Diameter | DN50 (2 inch) |
| Pressure Rating | PN16 (1.6MPa) / up to 2.5MPa optional |
| Connection Type | Flanged (JIS 10K/16K) |
| Standard | JIS B2071 / B2210 |
| Design & Face-to-Face | JIS standard / customizable |
| Operation | Handwheel (standard), gearbox or pneumatic/electric actuator optional |
| Test Pressure | Hydrostatic: 2.4MPa (1.5x rated) |
| Temperature Range | -20°C to +200°C |
Customer Benefits
- Extended Service Life: 304SS offers superior corrosion resistance in salty and humid marine conditions, reducing replacement costs.
- Precise Flow Control: Globe valve design provides excellent throttling capability for fine adjustments of media flow.
- Easy Installation: Flanged ends match standard JIS piping, saving time during installation and maintenance.
- Low Maintenance: Self-lubricating stem packing and durable seat reduce the need for frequent servicing.
- Global Compatibility: JIS standard ensures interoperability with Japanese and many Asian shipbuilding systems.
- Reliable Sealing: Metal-to-metal or soft seat options available (PTFE/Graphite) to achieve zero leakage.
All valves are manufactured in our ISO9001-certified facility in Shanghai. Every unit undergoes strict quality control including material inspection, dimensional check, and hydrostatic testing. With a dedicated export team and familiar ports like Shanghai, Guangzhou, Hong Kong, and Beijing, we ensure timely delivery to your location. Our annual export volume of over US$1 million reflects the trust of clients from North America to Southeast Asia and Africa. Choose our 304SS marine globe valve for a cost-effective, durable, and customizable solution for your shipbuilding or offshore project. Contact us today for a quotation or technical drawing!
Frequently Asked Questions (FAQ)
Q1: What is the difference between PN16 and 2.5MPa on your valve?
A1: Our standard valve is rated PN16 (1.6MPa). However, we can supply a version designed for up to 2.5MPa working pressure by using thicker body walls and higher-grade bolting. Both options meet JIS flange dimensions. Please specify your requirement.
Q2: Is this valve suitable for seawater service?
A2: Yes, 304 stainless steel offers good resistance to seawater corrosion. For more aggressive saltwater or chloride environments, we recommend 316SS as an alternative. Contact us for material options.
Q3: Can I get the valve with an electric actuator?
A3: Absolutely. We provide OEM customization including mounting of electric, pneumatic, or hydraulic actuators. The valve stem design supports ISO 5211 mounting pad. Please provide actuator specifications.
Q4: What is the delivery time for a standard DN50 globe valve?
A4: For standard models (PN16, handwheel), delivery is typically 15–25 working days after order confirmation. Customized versions may require 30–40 working days. We can expedite for urgent orders.
Q5: Do you provide a test certificate or material certificate?
A5: Yes, we can provide a hydrostatic test report and material certificate (MTC) upon request. Our ISO9001 quality system ensures traceability.
Q6: What flange standards does this valve comply with?
A6: It is designed according to JIS B2210 (10K and 16K flange dimensions). If you need other standards like ANSI, DIN, or GB, we can customize the flanged end.
Q7: Can the valve be used for steam applications?
A7: Yes, 304SS globe valves are suitable for steam up to 200°C. For higher temperature steam, we recommend using 316SS or alloy steel. Please confirm your steam conditions.
Q8: What is the minimum order quantity (MOQ)?
A8: For standard sizes like DN50, our MOQ is 1 piece for sample orders. For bulk orders, MOQ is 10–20 pieces. OEM batch orders are negotiable.
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