"gear operated butterfly valve"

ذراع توقف مدمجة من الحديد الزهر للفرامل، كتلة إسفين، جهاز فرامل شديد التحمل

DINKONDA GLOBAL Power Plants Special NJ Type Low-speed Contact Type Backstop Integrated Casting Stop Arm Wedge Block Heavy-duty Backstop Device Product Overview The NJ type low-speed contact backstop belongs to the wedge type heavy-duty backstop device, mainly suitable for low-speed operation of ...