Located in the heart of Boston's high technology community, MarcWorks first earned a reputation for designing and building the best quality; ultra-high purity bellows gas valves for semiconductor applications. MarcWorks then pioneered a unique diaphragm valve specifically engineered to improve the quality and efficiency of sanitary, aseptic processing systems used in the biopharmaceutical industry. Today, MarcWorks is meeting the performance requirements of many users of high-purity engineered components and fabricated assemblies. MarcWorks manufactures sanitary diaphragm valves, 2-way valves, 3-way valves, 4-5-6 multiported valves, high purity fittings, manifolds, adapters and skid frames. Machining and fabrication services include CNC machining, precision machining, plastic welding, orbital welding, high purity welding, machining large parts, shafting, rolls, fusion and stick welding, electropolishing, passivation, plus clean room assembly and testing. Applications of MarcWorks' sanitary and high purity products, and machining and fabrication services include biopharmaceutical, chemical, food and dairy, petrochemical, pulp and paper, and semiconductor industries. Materials include 4340 alloy annealed and heat treated, 1141, 1018, and 316 stainless steel, aluminum AL-6XN® , Hastelloy® C-22, titanium, PTFE, PTFM, PFA, PVDF, HALAR® , polypropylene, fluropolymers and polymers.