Packing: Packing contains corrosion inhibitor to avoid stem pitting. Stuffing box is deep, assuring long packing life.
Packing: Packing contains corrosion inhibitor to avoid stem pitting. Stuffing box is deep, assuring long packing life.
填料：填料内含防腐剂，避免锈蚀阀杆。深度填料函确保较长的填料使用寿命。