WATTS MV15R 0250115 1/2″ Automatic Air Vent
Reliable high-temperature air removal for closed-loop systems.
The WATTS MV15R Automatic Air Vent is engineered for air evacuation in closed-loop heating and solar energy systems. In addition, with a maximum operating temperature of 160°C, it operates safely in high-temperature applications where standard vents fall short. Moreover, its construction withstands pressures up to 10 bar, making it suitable for industrial installations.
This vent features a stainless steel float system that ensures precise and automatic air discharge. Furthermore, it effectively removes air bubbles at a rate of 0.3 L/hour under standard conditions. The body is made of high-temperature-tolerant steel, consequently extending service life and reducing maintenance intervals and operating costs.
WATTS MV15R Automatic Air Vent — Technical Specifications
In particular, this vent plays a critical role in the primary circuit of solar thermal systems. It also solves air lock issues in central closed-loop heating installations. Additionally, it enhances system efficiency in industrial high-temperature circuits and eliminates noise in radiator heating systems.
Key Advantages
- Ensures safe operation in solar energy systems with 160°C high temperature resistance
- Provides precise and automatic air evacuation with stainless steel float system
- Allows installation in standard pipelines within minutes using 1/2″ threaded connection
Applications
- Ideal for air evacuation in the primary circuit of solar thermal systems
- Solves air lock issues in central closed-loop heating installations
- Maximizes system efficiency in industrial high-temperature circuits
The WATTS MV15R Automatic Air Vent offers a reliable solution for closed-loop systems with high temperature resistance and stainless steel float technology. ORFA Industrial, as an authorized distributor since 1985, stocks this product worldwide and provides technical support. Contact us for technical support and pricing.
ORFA INDUSTRIAL PRODUCTS INDUSTRY AND TRADE INC.
Your Reliable Partner in Industrial Flow Technologies



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