Fisher Natural Gas Pressure Regulator - HSR
Type HSR direct-operated, spring-loaded pressure regulators provide economical pressure reducing control in a variety of residential, commercial, and industrial applications. Type HSR pressure regulators can be used with natural, manufactured, or liquefied petroleum gases. In addition, Type HSR pressure regulators have internal relief across the diaphragm to help minimize overpressure. Any outlet pressure above the start-to-discharge point of the nonadjustable relief valve spring moves the diaphragm off the relief valve seat, allowing excess pressure to bleed out through the screened spring case vent.
Type HSR pressure regulators meet ANSI B109.4 / CGA 6.18.
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