Plast-O-Matic PRH Pressure Regulator

Plast-o-matic® type PRH high performance pressure regulators provide higher set pressures and flow capacities with each model. These are achieved with less pressure losses than similar size competitive regulators. The 4″ size is custom built to order.

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Additional information



Regulator Type


Connection Type

Threaded, Flanged, Socket Weld

Connection Size

1/8 – 3/4, 1 – 1 1/2, 2 – 3, 4+