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China GGG40 Bronze Seat Hard Seal Flange Gate Valve - Suppliers & Factory for High-Quality Ductile Iron Valves
| 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
The sealing surface of this GGG40 gate valve is made of brass/bronze alloy, which has high hardness, erosion resistance, and is not easy to scratch. It is suitable for media containing impurities and has a long service life.
▲ Advantages
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🛠High Valve Body Strength
The body of this gate valve is made of ductile iron, it has much better strength, toughness, and impact resistance than gray cast iron, and has excellent pressure resistance and water hammer resistance.
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🔒Reliable Sealing — Zero Leakage in Both Directions
The brass gate valve has metal hard sealed structure, bidirectional sealing, tight opening and closing, meeting strict zero leakage standards.
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⚙Easy to Open and Close
The stem of this GGG50 gate valve is made of stainless steel, and the valve stem nut is made of brass, which fits smoothly and has low torque. It will not get stuck or bite during long-term use.
📦 Packing
📦 Standard export wooden case packaging
🌏 Application Scenarios
The bronze seal ductile iron gate valve is suitable for municipal water supply and drainage, HVAC, fire protection, power, chemical, and water conservancy pipelines, used for opening and closing control of media such as water, oil, steam, etc.
? Frequently Asked Questions
Q
What material is the sealing surface of the GGG40 gate valve made of?
The sealing surface is made of brass/bronze alloy, offering high hardness, excellent erosion resistance, and resistance to scratching. This makes it especially suitable for media containing impurities, ensuring a long service life.
Q
What is the operating temperature range of this gate valve?
This GGG40 bronze seat hard seal flange gate valve is designed to operate within a temperature range of -30°C to 425°C, making it suitable for a wide variety of industrial and municipal applications.
Q
Does this gate valve support bidirectional sealing?
Yes. This valve features a metal hard sealed structure with bidirectional sealing capability. It meets strict zero leakage standards, ensuring tight and reliable shutoff in both flow directions.
Q
What standards does this gate valve comply with?
This gate valve is manufactured in compliance with multiple international standards including EN, API, DIN, and GOST, making it suitable for global project requirements and procurement specifications.
Q
What industries or applications is this valve suitable for?
The GGG40 bronze seat gate valve is widely used in municipal water supply and drainage systems, HVAC, fire protection, power generation, chemical processing, and water conservancy pipelines. It is suitable for controlling media such as water, oil, and steam.
Q
How is the valve stem designed to prevent sticking or seizing over time?
The valve stem is made of stainless steel and paired with a brass valve stem nut. This combination provides a smooth fit and low operating torque, effectively preventing the stem from getting stuck or seizing during long-term use.