Back Pressure Regulators

A back pressure regulator is used to control the upstream of pressure in a fuel cell test system, while allowing gases to flow through a diaphragm. The diaphragm operates like a sensitive adjustable relief valve so that the fuel cell system pressure can be kept constant at varied gas flow conditions. These back pressure regulators can work up to a 200° C environment with a control pressure of 0 to 50psig; and have a flow capacity of 0.3Cu.