#صمام كرة (Ball-valve) للفتح والإغلاق بدون هبوط الضغط ، سريع الإغلاق مجرد 90 درجة تكفي لإغلاق كامل مقارنة بالصمامات ذات الدورات المتعددة Butterfly valve صمام الفراشة : لتنظيم التدفق في الأنابيب ذات الأقطار العالية. Clapper valve ,صمام المصفق يستعمل في التمديدات التي تسمح باتجاه واحد يشبه صمام عدم الرجوع Check valve صمام عدم الرجوع يسمح … Read more
Ball #valve , for on/off control without pressure drop, and ideal for quick shut-off, since a 90° turn offers complete shut-off angle, compared to multiple turns required on most manual valves. Butterfly valve, for flow regulation in large pipe diameters. Clapper valve, Used in appliances like the Siamese fire appliance to allow only 1 hose … Read more
#Extrusion is a process of production by forming objects with a fixed section by pushing the material to be formed through a slot with a specific shape so the material
section takes the shape of the hole, the features of this process is getting a complex forms of the section of the material produced and the ability to form materials
