Pressure

پایگاه جامع علوم اطلاعات شناسه : BS EN 1151-2:2006 عنوان : Pumps. Rotodynamic pumps. Circulation pumps having a rated power input not exceeding 200 W for heating installations and domestic hot water installations. Noise test code…

پایگاه جامع علوم اطلاعات شناسه : BS EN 1151-1:2006 عنوان : Pumps. Rotodynamic pumps. Circulation pumps having a rated power input not exceeding 200 W for heating installations and domestic hot water installations. Non-automatic circulation…

پایگاه جامع علوم اطلاعات شناسه : BS EN ISO 7751:1997+A1:2011 عنوان : Rubber and plastics hoses and hose assemblies. Ratios of proof and burst pressure to maximum working pressure (بیشتر…)