The 63EG pilot-operated pressure relief valves or backpressure
regulator are suitable for gas services and throttling backpressure
applications, such as on oilfield seperators.
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The
289 Series relief valve is a spring-loaded throttling relief
valve used downstream of pressure regulators to protect the
downstream system from overpressure.
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The 1805 relief valve is designed for use in farm tap applications
where a relief valve is needed between the first and second-stage
regulators.
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