اختيار مشغل الصمام: ابدأ بالعزم وموضع الفشل
Do not start actuator selection by debating pneumatic versus electric. That question comes last. Before any brand or model enters the discussion, three things have to be confirmed: Until all three are confirmed, no actuator can be selected reliably. An actuator that matches the pipe size but not the torque will stall on a sticky […]
اختيار مشغل الصمام: ابدأ بالعزم وموضع الفشل قراءة المزيد »




