299HS with VSX-2 are intended for use in gas supply applications that must be shut off in the event of an accident or where downstream pressure needs to be reduced beyond a predetermined set point. The integrated flag relief valve on the 299HR regulator is located in the controller and alerts you to increased downstream pressure beyond the regulator set point. Model 299HSR built-in marked pressure relief valve to relieve slight overpressure caused by thermal expansion.
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Detail
The Fisher 299H series of regulators offers a wide range of pressure adjustments capable of being used in a variety of conveying, industrial and commercial applications. The 299H series voltage regulator has a conductor integrated into the actuator housing. The 299H series can handle inlet pressures up to 175 psi / 12.1 bar, depending on hole size.
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