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Help CenterJIS F7312 Marine J Type Cast Steel Flange Globe Valve | DN25-DN300 CCS BV Approved
Product Spotlights
2.Flange connection (JIS B2220/2238) easy to install and maintain.
4.Can be supplied with CCS, BV, LR, ABS certificates.
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1. Product Overview
The J-type flanged cast steel stop globe valve is a critical marine pipeline component designed to meet JIS F7312 shipbuilding standards. Constructed from high-strength cast steel, this valve delivers reliable pressure resistance, tight sealing, and stable performance in seawater, oil, fuel, and steam systems. Its J-type straight-through structure ensures low flow resistance and high circulation efficiency, making it a preferred choice for various vessel piping systems.
2. Material & Construction
Featuring a robust cast steel body (ZG230-450) and stainless steel internals (2Cr13), this valve excels in harsh marine environments. The precision-machined disc and seat ensure bubble-tight shutoff, while the flexible graphite or PTFE packing guarantees zero leakage under long-term operation. The reinforced valve cover and heavy-duty structure further enhance durability and pressure reliability.
3. Key Features
Equipped with standard JIS flanged ends (JIS B2220/2238), the valve is easy to install and compatible with most ship piping systems. Manual operation via a handwheel provides smooth and precise control, with clear position indication for safe handling. The (rising stem) design allows direct visual monitoring of valve opening, improving operational safety and maintenance efficiency.
4. Application & Specifications
Widely used in shipbuilding, offshore engineering, and marine systems, this J-type stop valve supports sizes from DN25 to DN300 and pressure ratings of 5K/10K. It is ideal for seawater cooling systems, ballast lines, fuel oil lines, steam lines, and general marine piping. The valve can also be equipped with pneumatic or electric actuators for automated control, meeting different onboard requirements.
5. Quality & Packaging
Each valve undergoes strict testing including pressure testing and leakage inspection before shipment to ensure zero defects. We provide CCS, BV, LR, ABS certificates upon request. Packaging uses standard export plywood wooden cases or IPPC fumigated cases to protect against rust and damage during transportation. With stable quality and competitive pricing, this valve is widely trusted by shipyards and shipping companies worldwide.
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