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Pressure reducers for CO2 cylinders are necessary to reduce the pressure inside the cylinder (around 50-60 bar) to the considerably lower working pressure. The pressure gauge gives the cylinder pressure and indicates how much CO2 is still left in the cylinder. The pressure gauge for the working pressure (if available) indicates the pressure to which the cylinder pressure is reduced. With the needle valve you can adjust the amount of CO2 that is given off, i. e. the number of gas bubbles that are injected into your aquarium. All AQUA-NOA pressure reducers are equipped with a standard 4/6 mm CO2 hose connection. The thread for returnable bottles fits all standard CO2 reusable bottles in trade.
If you use a solenoid valve that is not directly mounted on the pressure reducer, you need to use a pressure hose that is CO2-tight. We recommend using this type of hose for the entire connection, but at least to the check valve in order to reduce CO2 losses. In order to connect the check valve with the diffusor you can use a flexible, transparent silicone hose for CO2.
Differences between Basic and Profi Line
The AQUA-NOA CO2 pressure reducers of the Basic Line do not leave much to be desired, they fulfill the basic requirements of our customers very well. As additional feature, the Profi Line pressure reducer by AQUA-NOA has an adjustment screw with a knob that allows you to choose the working pressure individually - should you require to do so. Moreover, it is equipped with a highly precise needle valve that allows you to adjust the amount of CO2 you add to your aquarium even more exactly. The AQUA-NOA CO2 pressure reducers of the Basic Line are pre-set to 2,5 bar.
AQUA-NOA - CO2 Pressure Reducer Basic Series
Variants and technical details
|Pressure Reducer |
|Needle valve |
for bubble counter
|Security valve |
Pressure relief valve
|Basic E1||disposable||✓||✓||✓||✗||M 11x1|
|Basic E2||disposable||✓||✓||✓||✓||M 11x1|
|Basic M1||returnable||✓||✓||✓||✗||W 21,8x1/14|
|Basic M2||returnable||✓||✓||✓||✓||W 21,8x1/14|
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Question to this product
AQUA-NOA :: CO2 Pressure Reducer Basic
Klasse verarbeitet und schön kompakt. der Schlauchausgang kann angeschraubt werden und ein Magnetventil o.ä. direkt montiert werden, genau danach hab ich gesucht. ich bin glücklich
Macht was er soll, einfacher Montage, macht einen soliden Eindruck.
Eine Bedienungsanleitung für Anfänger wäre hilfreich. Sonst top!
sehr einfach und präzise zu bedienen, verarbeitung gefällt mir gut.
Montage ohne Werkzeug auf der CO2 Flasche. Einfache Handhabung. Tolles Produkt.