If the valve is faulty, attach a label or tag to the cylinder identifying the problem and return the cylinder to the supplier.
如果阀门有故障，给钢瓶贴上标签或标志说明问题，然后把钢瓶返还给供应商。
2
After the piston rod retracts for a definite distance, the oil return amount of an oil cylinder can automatically reduce to realize speed reduction effect to the oil cylinder.
当活塞杆回缩至一定距离后，油缸的回油量便自动减少，从而实现对油缸的减速作用。
3
If a cylinder ejector must be used, incorporate a proximity safety switch and use non-ferrous materials where it enters the die, or it must be of positive return design.