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| This automatic air vent valve is a single float valve designed for solar thermal energy plants, and carries out two main functions: the evacuation of a consistent air flow through the system (e.g. during loading/pressurization of the plant), and degassing which discharges air trapped in the pipeline, while functioning, in particular in the solar collectors. This valve has a paramount importance in solar thermal energy plants, evacuating and discharging trapped air in the pipelines and in the solar collectors. As a matter of fact, the presence of oxygen in the system can provoke numerous negative phenomena such as anodic corrosion, localized noise, air pockets, obstructions, etc., which may significantly compromise the performance and integrity of the systems. These valves are usually installed at the summit of the primary circuit in a solar thermal energy plant, and are resistant to the high temperatures that the heat-transfer fluids can reach, even in stagnation phases. Their suitability for application in solar thermal energy plants conforms to EN 12976 and EN 12977. | ||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| The "High Flow Capacity" model automatic air vent is an automatic valve with single float, used for the evacuation and discharge of large volumes of air from water supply pipes. This sort of air vent may only be installed vertically. In order to maximize the efficiency of the discharge, it should be installed at the highest points in the system or, if this is not possible, a TEE fitting should be installed at the inlet, as in figure A. When installing at the top of an ascension pipe, a conveyable discharge hose can be installed (option available only on request). The particular spherical profile of the internal floater-obturator in special thermoplastic rubber forestalls water spatter during the sealing phase, in closure. The absence of sliding guides, hence drag, allows the spherical floater an elevated velocity and precision in closing besides avoiding dangerous incrustations. At the discharge outlet there is a protective catch for dust and lint, which, over time, could deposit upon the opening of the cap, obstructing it; moreover, being perforated, anti-tampering seals may be used in compliance with legislation currently in force. |
| The lower anti-spray guard allows the even distribution of hydraulic thrust across the entire surface of the sphere, limiting the turbulence to a minimum and guaranteeing a highly precise closure. The "High Flow Capacity" automatic air vent is used in conditioning plants, sanitary installations for water distribution destined for human consumption outside buildings under EN 805, and irrigation plants. The simplicity of the High Flow Capacity air vent renders maintenance usually unnecessary. However, in the event of water outflow from the upper seat of the air vent, substitute the internal sphere-obturator, which is easily accessible by dismounting the body cap. In case of prolonged inactivity, the device should be disinfected according to EN 805 12. This product adheres to the standards set forth by the international health authorities for the transport of alimentary fluids and potable water. |
The "ROMA" model automatic air vent is an automatic valve with single float, used for the evacuation and discharge of large volumes of air from water supply pipes. The integrated tap device is equipped with a dual position 90 male seal. Position "A" communicates the system with the upper air discharge recess while position "B" bypasses the system discharge recess and permits its draining through the front slot. This renders it particularly ideal for installation in zones outside buildings where there is a high risk of freezing. The "ROMA" air vent valve may only be installed vertically. In order to maximize the efficiency of the discharge, it should be installed at the highest points in the system or, if this is not possible, a TEE fitting should be installed at the input, as in figure "C". When installing it at the top of an ascension pipe, a conveyable discharge hose can be installed (option available only on request). The particular spherical profile of the internal floater-obturator in special thermoplastic rubber forestalls water spatter during the sealing phase, in closure. The absence of sliding guides, hence drag, allows the spherical floater an elevated velocity and precision in closing besides avoiding dangerous incrustations. At the discharge outlet there is a protective catch for dust and lint, which, over time, could deposit upon the opening of the cap, obstructing it; moreover, being perforated, anti-tampering seals may be used in compliance with legislation currently in force.
The lower anti-spray guard allows the hydraulic thrust to be distributed evenly across the entire surface of the sphere, limiting the turbulence to a minimum and guaranteeing a highly precise closure. The "ROMA" model air vent is used in conditioning plants, sanitary installations for water distribution destined for human consumption outside buildings under EN 805, and irrigation plants. Maintenance of the "ROMA" model air vent consists in the periodic verification of the closure of the integrated stop device. The male obturator can be checked by tightening the front hexagonal nut while moving the lever from position "A" to position "B" and vice versa. The lever should only be actioned manually and not with the help of any tools. In the event of water outflow from the upper seat of the air vent, substitute the internal sphere-obturator, which is easily accessible by dismounting the body cap. In case of prolonged inactivity, the device should be disinfected according to EN 805 12. This product adheres to the standards set forth by the international health authorities for the transport of alimentary fluids and potable water.
Goregaon, Mumbai, Maharashtra 