Structure: Lever
Material: Brass
Name: Automatic Chromium Plated Brass Air Vent Valve
Body Material: Brass
Surface: Nickel Plated
Color: Golden
Size: 1/2" inch
Thread: Male
Connected End: F/F
Application: Gas
Key Words: Brass Valve in Safety
Trademark: HB
Transport Package: Standard Export Packing
Specification: 1/2"
Origin: China
HS Code: 848140000
Automatic Chromium Plated Brass Air Vent Valve
1. Features and Specifications of Air Vent Valve
Pressure: 10 barMax. Inlet Working Temperature: 110°C
Female and Male Thread Connection Apply with ISO228/1
Material: Forged Brass
Surface: Nickel Plated
2. Dimension
Dn | H | D |
3/8'' | 92 | 32.8 |
1/2'' | 70.5 | 39 |
3. Structure
No. | Part Name | Material |
1 | Body | Brass |
2 | Bonnet | Brass |
3 | Cover | Nylon |
4 | O-ring | EPDM |
5 | Plastic Holder | Nylon |
6 | Gasket | EPDM |
7 | Clamp Spring | Stainless Steel |
8 | Plastic Body | ABS |
9 | O-ring | EPDM |
10 | Non-return Body | Brass |
11 | Non-return Cartridge | Brass |
12 | Spring | Stainless Steel |
13 | Gasket | EPDM |
14 | Stop Cap | Nylon |
4. Description
The automatic air vent valve is an essential component for maintaining optimal performance in hot and cold water piping systems. It automatically releases trapped air from the pipeline, ensuring smooth and efficient operation. The valve uses a floating mechanism to open and close automatically, making it ideal for applications where manual intervention is not feasible. This brass valve is designed for durability, corrosion resistance, and long-term reliability, especially in gas-related systems. Its nickel-plated surface provides both aesthetic appeal and additional protection against wear and tear.Certificate

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Our Factory
Zhejiang Huibo Valve Technology Co., Ltd. is a leading manufacturer and supplier in the valve industry, with over 25 years of experience. Specializing in HVAC system parts and brass valves, our factory is located in Yuhuan County, known as the "Brass Valve Town" of China. This strategic location allows us to leverage local resources and maintain a strong competitive edge. Our products are widely used in various industries, including gas, water, and industrial systems, and are known for their quality, reliability, and innovation. We continuously strive to meet the evolving needs of our customers while maintaining high standards of production and service.
The Four Hoses Fuel Dispenser is a high-capacity, multi-product dispensing solution engineered for busy fueling stations that demand speed, flexibility, and performance. Designed to serve multiple vehicles simultaneously or offer multiple fuel types at a single fueling point, this dispenser is ideal for medium to high-traffic environments such as retail fuel stations, highway service centers, and commercial fleet operations.
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Equipped with four independently controlled hoses, this model can support single, dual, or even quad product configurations, depending on the station’s operational needs. Whether dispensing gasoline, diesel, biodiesel, or ethanol blends, the four-hose dispenser ensures accurate metering, quick fuel delivery, and minimal downtime between transactions.
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With a robust structural design, reliable flow meters, and intuitive interface, the Four Hoses Fuel Dispenser integrates seamlessly with modern gas station equipment including POS systems, fleet card networks, and remote management platforms. It offers the performance and reliability needed to keep your station operating efficiently, even at peak hours.
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Key Features:
• Supports up to 4 hoses and multiple fuel products
• High-accuracy mechanical or electronic metering system
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• Compatible with suction or submersible pump systems
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Applications:
• High-volume retail fueling stations
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Built for performance and engineered for reliability, the Four Hoses Fuel Dispenser helps fuel stations enhance service speed, maximize throughput, and offer customers a convenient, multi-product fueling experience—all while maintaining precise control and operational efficiency.
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