ITT Conoflow’s HP635 Series unit is a high-flow, high-purity regulator that is designed as a purge gas regulator and may be used in high purity gas systems involving corrosive and toxic media. All wetted components are of a 316 Stainless Steel construction having a maximum 35Ra surface finish. An optional brass model (NPT port only) is available for inert gas service.
This unit has a large main valve providing a flow capacity of Cv=1.8 at the valve. Connections are 1/2” NPT or 1/2” Tube Stubs with either style having a maximum supply pressure rating of 500 psig. Outlet pressure ranges of 0-25, 0-50, 0-100, 0-150 and 0-200 psig (0-0.173, 0-0.345, 0-0.69, 0-1.04, and 0-138 MPa) are available. The HP635 Regulator is offered with an inboard and across the seat leakage specification of 2 x 10-8 atm. cc/sec Helium. Also, there is an adjustable stop that may be set to limit pressure control settings for specific application requirements.