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Series Auto Filling Valve

AF0522 Series Auto Filling Valve

Key word:Series Auto Filling Valve

Description:AF0522 Series Auto Filling Valve with patent vertical visual design in the world, can avoid the indicator dial moving to wrong position.

Sales Hotline:021-51695568/400-686-0786

AF0522 Series Auto Filling Valve with patent vertical visual design in the world, can avoid the indicator dial moving to wrong position.

Pre-calibration with visual pressure setting indicator for the commissioning operation. It is widely used in wall-mounted boiler/compact boiler and central air conditioner, which can save the debugging and the maintenance costs of manufactures and installers.

Auto Filling Valve Advantages:

1.Built-in check valve. The function is to maintain the pressure of the system stable at a set value, automatically filling up with water as required.

2.Preassembly with backflow preventer option. Prevents loss of system pressure or back flow.

3.Integral manual shutoff valve. Stop the water filling by screwing the plastic knob.

Structural feature

1.Visual Pre-calibration: AF0522 model is equipped with a pressure setting indicator for the commissioning operation. The system charge pressure can be input by means of the adjusting screw, before the start of the system charging phase.2.

2.Large diaphragm-the useful working surface of the diaphragm is particularly larger about 40% than the general, in order to guarantee greater precision and sensitivity when working with minimum pressure differences.

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