Reduce or eliminate water hammer.

Limit damaging pressure surges caused by pump start-up and shut-down.

Protect piping, joint and fittings from pulsation and vibration.

Extend pump life and improve pump performance.

If the PD is used with a back pressure valve and other equipments, pressure fluctuation will be close to zero.

Prevent foaming, splashing and degradation of product.

Prevent flow meters and gauges from pressure fluctuation.

Dosing process fluid steadily and continuously.