Any special requirements such as Gear operation, Motor operation, Hydraulic or Pneumatic Cylinder operation, Anti-friction bearing yoke sleeve, By-Pass of drain, etc. Must also be specified on purchase orders.

• 如果有特殊要求,如齿轮操作机构,马达执行机构,液动或气动缸体执行机构,耐摩擦轴承轭架套管,排泄旁路,等等,在订购时都必须特别注明。