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**Model NO.:** HB-M083025
**Standard:** ISO 228
**Size:** 1/2′′ - 1′′ inch
**Key Words:** Brass Manifold Valve, Hydraulic Air Vent, Drain Valve
**Trademark:** HB
**Transport Package:** Standard Export Packaging
**Specification:** 1/2′′ - 1′′ Inch
**Origin:** China
**HS Code:** 8481804090
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**Brass Hydraulic Automatic Air Vent and Drain Valve for Manifold – 1/2'' to 1'' Inch**
**Dimensions**
| DN | SIZE | H | D | S |
|----|----------|-----|-----|-------|
| 15 | 1/2" | 71 | 28 | 22 |
| 20 | 3/4" | 76 | 28 | 27 |
| 25 | 1" | 76 | 28 | 33.5 |
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**Product Material**
| NO. | Part Name | Material |
|-----|-----------|--------------------|
| 1 | Body | Brass / Zinc Alloy |
| 2 | Ball | Brass / Iron |
| 3 | Handle | Brass / Iron |
| 4 | Bonnet | Brass |
| 5 | Surface | Natural / Nickel |
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**Production Introduction**
Our brass hydraulic automatic air vent and drain valve is designed for use in manifold systems, particularly in heating applications such as radiators, underfloor heating, and boiler systems. It automatically removes air from the system, ensuring optimal performance and efficiency.
This valve is ideal for installation at the highest point of a system or directly with manifolds and radiators. It helps maintain consistent water flow by eliminating trapped air, allowing the system to operate smoothly and efficiently.
The valve also features a pressure test function during commissioning and a drainage function during maintenance. Additionally, it includes a check valve that allows for shut-off when necessary, while still maintaining system operation during replacement, reducing energy waste.
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**Certification**
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**Our Technological Process**
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**Our Factory**
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**About Us**
For over 25 years, we have been a leading manufacturer specializing in HVAC system components and brass valves. Our product range includes brass manifolds, radiator valves, motorized valves, ball valves, gate valves, check valves, stop valves, safety valves, air vent valves, and brass fittings—offering more than 40 series and 2000 different varieties.
We are committed to quality, innovation, and customer satisfaction, providing reliable solutions for both residential and commercial heating systems.
