Hydraulic joints are mainly divided into two categories: hose joints, hard pipe joints
Each of these two major categories is divided into several subcategories:
1) Hose joints are divided into integrated hose joints, clamp type hose joints and internal lock type
Hose joints, detachable hose joints and so on
2) Hard pipe joint, also known as transition joint, is divided into DIN card sleeve type, metric thread joint,
British thread joint, American thread joint, welding flange, mine joint and so on.
