Tube Fittings|Pipe Fittings | Valves -SSP SSP Instrumentation Fittings, Valves, Tubing, and Hose SSP manufactures stainless steel tube fittings, pipe fittings, valves and other instrumentation products that meet all industry standards while significantly improving the user installation and replacement process. Our goal is to be the installer’s supplier of choice. Tube Fittings & Adapters Instrumentation Valves Pipe Fittings & Adapters Stainless Steel Tube & Hose Tube and Pipe Fitting Tools