เหตุผลที่วาล์วต้องอาศัยหัวขับวาล์วในการควบคุมมีดังนี้ Pneumatic pressure enters this housing making use of pressure for the diaphragm. Since the air pressure increases into the diaphragm the power exerted towards the spring boosts triggering the actuator stem to maneuver. The three pneumatic add-ons stated previously mentioned usually are equipped as conventional, the next are added https://pressure-gauge-weksler58887.alltdesign.com/top-guidelines-of-valve-35430724