Expansion systems Nitrogen expansion systems - with nitrogen membrane - Pressure Swing Absorption (PSA) Expansion units - with compressor (MK/S and MK/U) - with pump (pressureless, type PLE) - remanufactured expansion units Membrane expansion vessels - with replaceable membrane (Flexcon M) - with permanent membrane Intermediate vessels (cooling vessels) Nitrogen generators Nitrogen generators with nitrogen membrane Nitrogen generators with Pressure Swing Absorption (PSA) Pressure vessels Sotex compressed air Compressors, dryers, air filtration Pressure vessels De-aeration Flexvent Super 1/2" Flamcovent air separators ENA de-aeration and pressurization unit Dirt separation Sotex slipstream filters Flamco Clean Combined air de-aeration & dirt separation FLAMCOVENT CLEAN Combined de-aeration & dirt separators Pressure vessels Pressure vessels Pressure safety Flamco "Prescor" blow-off valves ARI full-lift spring-loaded safety valves