Stainless Steel 3 Inch Gate Valve

Product Description 

Our 3 inch 300LB CF8 stainless steel flanged gate valve is a high-performance industrial valve designed for reliable on/off flow control in oil & gas, chemical, water treatment, power, and HVAC pipeline systems. As a professional industrial valve manufacturer, we craft this CF8 gate valve with premium 304 stainless steel construction, ensuring exceptional corrosion resistance, high strength, and long-term durability in harsh industrial environments.

This 3" 300LB flanged gate valve features a rising stem (OS&Y) design, providing clear visual position indication for easy operation. The full-bore flow channel minimizes pressure loss, while the precision-machined wedge disc and flexible seat structure deliver tight shutoff performance, achieving zero leakage under high-pressure conditions. Compliant with ANSI/API 600 standards and equipped with RF flanged end connections, this stainless steel gate valve ensures seamless integration into global pipeline systems.

Built with industry-leading craftsmanship, our 300LB CF8 gate valve includes heavy-duty stainless steel bolts, a corrosion-resistant blue handwheel, and anti-corrosive sealing components for extended service life. All units undergo rigorous quality testing to meet CE/ISO certifications, ensuring consistent performance and global market acceptance. Whether for permanent pipeline installations or high-demand industrial applications, this 3-inch gate valve delivers reliable fluid control for water, oil, gas, and corrosive mediums.

Key Specifications

• Valve Type: OS&Y Rising Stem Flanged Gate Valve

• Size: 3 Inch (DN80)

• Pressure Rating: 300LB (Class 300, ANSI B16.34)

• Body Material: CF8 (304 Stainless Steel)

• Disc Material: CF8 (304 Stainless Steel)

• Stem Material: Stainless Steel

• Connection Type: RF Flange (ANSI B16.5)

• Sealing Material: Graphite / PTFE (Optional)

• Standard Compliance: API 600, ANSI B16.34, CE, ISO

• Working Temperature: -29℃ ~ 425℃

• Application: On/Off Flow Control for Oil & Gas, Chemical, Water, Power, and Industrial Pipelines

Core Features 

✅ Rising Stem Design: Clear position indication for safe, precise operation
✅ Full Bore Flow: Minimal pressure drop for maximum flow efficiency
✅ Corrosion Resistance: CF8 stainless steel construction resists rust, chemicals, and erosion
✅ Tight Shutoff: Precision-machined disc seat ensures zero leakage under high pressure
✅ Global Standards: ANSI/API 600 & CE/ISO certified for worldwide use
✅ Durable Hardware: Heavy-duty stainless steel components for long-term reliability
✅ Easy Maintenance: Two-piece body design simplifies inspection and servicing

Application Scenarios

This 3" 300LB CF8 flanged gate valve is widely used in:

• Oil & Gas Transmission & Distribution Pipelines

• Chemical & Petrochemical Processing Plants

• Industrial Water Supply & Sewage Treatment Systems

• Power Generation (Coal, Gas, Nuclear)

• HVAC & Building Services Pipelines

• General Industrial Fluid Control Systems

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As a professional industrial valve provider, we offer a full range of gate valves, ball valves, globe valves, and check valves. Contact us for a free quote on your 3 Inch 300LB CF8 flanged gate valve or custom industrial valve solutions.