Fittings Sanitary Weld Fittings, Clamp Fittings, Bevel Seat Fittings, I-line & Q-line Fittings, including: clamps, gaskets, nuts and other accessories.     Valves & Sight Glasses Ball Valves, Butterfly Valves, Sample Valves, Check Valves, & Sight Glasses.     Tubing, Hangers & Others Sanitary Tubing, Tubing Hangers, Spray Balls.     Pump Parts Stub Shaft, Stuffing Box, Back Plate, and other Pump Replacement Parts.     Custom Fabrications Our capabilities and examples of the custom products Steel & O'Brien produces in-house.