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The genuine Annovi Reverberi inlet pulsation dampener assembly for AR30, AR40 and AR50 diaphragm pumps, supplied with its o-ring. It mounts on the intake side of the pump and absorbs the pulses created by the diaphragms, smoothing the flow coming into the pump for quieter, steadier operation and less stress on the intake hose and fittings. It's item #77 on AR's AR30/AR40 parts list, and it's the current replacement for the older inlet dampener, whose holder (650660) and chamber assembly (659209) are no longer available.
| Part Number | AR 46730 |
| Type | Inlet pulsation dampener assembly |
| Includes | Dampener assembly and o-ring |
| Parts Diagram | Item #77 on the AR30/AR40 parts list |
| Fits | AR30, AR40 and AR50 diaphragm pumps |
| Replaces | Obsolete inlet dampener (650660 holder / 659209 chamber assembly) |
Does it come with the o-ring?
Yes. The o-ring is included, so you can install it without ordering the seal separately.
My pump has the old-style inlet dampener. Can I still get parts?
The old dampener's holder (650660) and chamber assembly (659209) are no longer available. The diaphragm (650670) and clamp (651670) are still listed by AR. If the holder or chamber is damaged, replace the whole dampener with this 46730 assembly.
What does an inlet dampener do?
Diaphragm pumps draw liquid in pulses. The inlet dampener absorbs those pulses on the suction side, which smooths the flow into the pump, reduces vibration and noise, and eases stress on the intake hose and fittings.
Is this the same as the pressure accumulator?
No. The pressure accumulator (the air chamber on top of the pump) smooths the outlet side and needs to be charged with air. This dampener is on the inlet side.
Will it fit my pump?
It fits the AR30, AR40 and AR50. Call us at 602-371-1993 with the model number from your pump's tag if you're not sure.
MODEL: AR 46730
$27.99
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