Neptune dampeners are installed on the discharge side of positive displacement pumps to remove the pulsating flow caused by the start and stop action of the pump. Dampeners ensure a smooth and continuous flow, eliminate pipe vibration and protect in-line instrumentation. Dampeners may also be installed at the pump inlet as an inlet stabilizer to improve the NPSH condition of the pump by reducing the acceleration pressure losses due to the opening and closing of the inlet ball valve.

  • Lightweight, compact design • Equipped with pressure gauge and charging valve
  • Easy in-line maintenance
  • Pressure ratings to 1000 psi with 4:1 safety margin
  • Extensive range of plastics, metals and elastomers

A pressure chamber is divided by an elastomeric bladder. The lower portion of the chamber is filled with the pumped liquid, the upper portion of the chamber contains an air cushion. The air cushion is pre-charged to a pressure appropriate for the operating condition. The energy from each pump discharge stroke displaces the bladder into the air cushion allowing the dampener to absorb the energy. The air cushion and bladder force liquid out of the bladder during the pump suction stroke.
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PD4PV-V N/A PVC 150psi 4cu.inch 3/8"fnpt (Viton) $260.31 Add To Cart
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PD4PV-E N/A PVC 150psi 4cu.inch 3/8"fnpt (EPDM) $225.70 Add To Cart
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PD4PV-T N/A PVC 150psi 4cu.inch 3/8"fnpt (Teflon) QUOTE Add To Cart
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PD10PVP N/A PVC 150psi 10cu.inch 1/2""fnpt (Available with PVC bladder only) $220.16 Add To Cart
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PD10PV-V N/A PVC 150psi 10cu.inch 1/2"fnpt (Viton) $321.24 Add To Cart
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PD10PV-E N/A PVC 150psi 10cu.inch 1/2"fnpt (EPDM) $274.16 Add To Cart
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PD10PV-T N/A PVC 150psi 10cu.inch 1/2"fnpt (Teflon®) QUOTE Add To Cart
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PD36PV-V N/A PVC 150psi 36cu.inch 3/4"fnpt (Viton) $643.85 Add To Cart
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PD36PV-E N/A PVC 150psi 36cu.inch 3/4"fnpt (EPDM) $567.70 Add To Cart
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PD36PV-T N/A PVC 150psi 36cu.inch 3/4"fnpt (Teflon®) QUOTE Add To Cart
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PD85PV-T N/A PVC 150psi 85cu.inch 3/4"fnpt (Teflon®) QUOTE Add To Cart
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PD85PV-E N/A PVC 150psi 85cu.inch 3/4"fnpt (EPDM) $555.24 Add To Cart
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PD85PV-V N/A PVC 150psi 85cu.inch 3/4"fnpt (Viton) $657.70 Add To Cart
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PD175PV-V N/A PVC 150psi 175cu.inch 2"fnpt (Viton) $869.54 Add To Cart
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PD175PV-E N/A PVC 150psi 175cu.inch 2"fnpt (EPDM) $762.93 Add To Cart
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PD175PV-T N/A PVC 150psi 175cu.inch 2"fnpt (Teflon®) QUOTE Add To Cart
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PD370PV-T N/A PVC 150psi 370cu.inch 2"fnpt (Teflon®) QUOTE Add To Cart
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PD370PV-E N/A PVC 150psi 370cu.inch 2"fnpt (EPDM) $787.85 Add To Cart
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PD370PV-V N/A PVC 150psi 370cu.inch 2"fnpt (Viton) $894.47 Add To Cart
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CK701 N/A Charging Kit $386.31 Add To Cart
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