Muffling Orifice Plates


Muffling Orifice Plates (MOPS)
A Spence Muffling Orifice Plate, when sized properly, can reduce high flow valve noise 5-15 dBA. Installed in the expanded downstream piping, the muffling orifice reduces the generation of noise at its source by reducing the amount of pressure drop required by the valve. MOPS are individually engineered for each application to provide maximum noise reduction without reducing regulator capacity. Contact your local representative for sizing help.

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Muffling Orifice Plates

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