Profile: Pioneer Enterprise specializes in design and production of instrumentation valves and precision pipe fittings. We also have PTFE (Teflon)® products, pipe fittings, flanges, valves, fasteners and other consumables. We use materials such as stainless steel, brass, carbon steel, monel, titanium, inconel and PTFE (Teflon)®. We offer needle valves in bar stock as well as in forged construction various sizes, sealing styles, end connections and stem types. Our flareless tube fittings include connectors, union fittings, adapter fittings and nipple fittings.