joi, 23 martie 2017
BS 6144:1990
Specification for expansion vessels using an internal diaphragm, for unvented hot water supply systems|Expansion vessels, Fluid equipment components, Diaphragms (mechanical components), Internal, Hot-water supply systems, Potable water, Materials in contact with food, Steels, Pressure, Temperature, Tensile strength, Thickness, Design calculations, Dished ends, Holes, Type testing, Performance, Hydraulic tests, Leak tests, Pressure testing, Marking, Endurance testing Click the banner to get it at ONLY: GBP98.00 

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