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OEM Cast Iron Bronze Metal Hard Seal Gate Valve - China Suppliers & Factory for DN50-DN1000 Sizes Factories, Factory
Product Description
| Valve Type: | Metal seat gate valve | Structure: | Non-rising type |
| Standard: | EN/API/DIN/GOST | Workmanship: | Investment casting |
| Sealing direction: | Bidirectional | Sealing grade: | Zero leakage |
| Temperature: | -30°C < T < 425°C | Operation: | Handwheel |
Characteristics
This gate valve features a ductile iron body and brass / copper alloy sealing surface, forming a heavy-duty metal hard-sealed structure. It perfectly combines the high strength and toughness of ductile iron with the outstanding wear resistance and corrosion resistance of brass.
Advantages
✓
The hard seal gate valve has high structural strength, good resistance to pressure, water hammer and shock, ensuring stable performance under tough working conditions.
✓
The brass seat gate valve with brass hard sealing delivers excellent sealing performance, resistant to scratches and aging, with long service life and low maintenance.
✓
The gate valve with smooth operation with low torque, stable opening and closing without seizing, providing efficient flow control with low flow resistance.
Packing
Standard export wooden case packaging
Application Scenarios
The bronze sealed ductile iron gate valves are ideal for municipal water supply and drainage, HVAC, fire protection, power, chemical engineering and water conservancy systems, providing reliable on-off control for water, oil, steam and other media.
Frequently Asked Questions
? What is the sealing type of this gate valve?
This gate valve uses a metal hard-seal structure with a brass / copper alloy sealing surface, offering bidirectional sealing with zero leakage. It is highly resistant to scratches, wear, and aging compared to soft-seal alternatives.
? What standards does this gate valve comply with?
The valve is manufactured in accordance with EN, API, DIN, and GOST international standards, ensuring compatibility with global industrial and municipal piping systems.
? What is the operating temperature range of this valve?
The valve is designed to operate in a temperature range from -30°C to 425°C, making it suitable for a wide variety of industrial and municipal applications involving water, steam, or oil media.
? What are the main application areas for this gate valve?
This bronze sealed ductile iron gate valve is widely used in municipal water supply and drainage, HVAC systems, fire protection, power plants, chemical engineering, and water conservancy projects for reliable on-off flow control.
? What is the body material of this gate valve?
The valve body is made of GGG40 ductile iron, which provides excellent mechanical strength, toughness, and resistance to pressure and water hammer. The sealing surface is made of brass / copper alloy for superior corrosion and wear resistance.
? How is this gate valve packaged for export?
Each valve is securely packed in standard export wooden cases designed to withstand long-distance international shipping, protecting the product from impact, moisture, and vibration during transit.
