0B5-K3YK-NBB

Model 345 Rev B Pressure Reducing Regulator; 3/4" Line Size; Sales Kit B; Aluminum Bronze Body With Bronze Spring Chamber; S3Y Trim: 316 Stainless Steel With Nylon Seat, Fluorocarbon Elastomer O-Rings, Graphite/NBR Cylinder Gasket; OPT-56: Clean For Non-Oxygen Service Per Cashco Specification S-1542