Type 3500 High pressure Regulator reduces inlet pressures from as high as 6000 PSIG down to working pressures ranging between 0-225 PSIG. Self-operated, high-pressure regulator can be designed to be used in applications requiring high-pressure reducing regulators for various gases. It provides outlet pressure to 225 PSIG in three spring ranges. A choice of three output ports provides plumbing flexibility for easy hookup. A replaceable nylon valve seat provides up to four replacement sealing surfaces. Regulator is optionally available with a ¼” NPT female connection on the spring case for remote venting. Socket head or T-handle adjustment is available.