Medical Brass Single Stage Oxygen Regulator are made especially for use in the ambulance industry because of its light-weight, sturdy-body, and efficiency. These single-stage regulators can withstand up to a maximum pressure of 3000psi. The diaphragm assembly allows the regulator to provide a steady output of pressure and flow, ensuring continuous work without interruption. The regulators are preset to operate at 50psig, and includes an internal re-seating relief valve to protect against over-pressurization. They come with standard CGA540 nut and nipple inlet connections to fit all CGA540 Oxygen tanks. The inlet connections also include sintered bronze filters, which ensure clean oxygen supply. Two types of outlet connections are available for choosing: Straight and 90 degree elbow.