Low pressure manometer, completely made of stainless steel Whiteh a connection of 1/4" male thread. These manometers are filled Whiteh glycerine.
The filling fluid, glycerine, dampens any pressure spikes, shocks and vibrations that occur and protects the mechanics of the pressure gauge. This prevents material fatigue and failure. Another decisive factor for the user is the guarantee of the legibility of the applied pressure. The filling fluid ensures that the movement of the pointer remains limited, even under heavy vibration loads. Whitehout fluid damping, the pointer would not indicate the actual pressure, but would move back and forth based on the vibrations or pulsations. Finally, at low ambient temperatures, the viewing window can fog up and possibly freeze, which can prevent the fill fluid.
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