Tube expander
  
Hei Yan is the manufacture of Tube expander, With many years experience, our technology of expanding pipe have been widely used in the world.

The Tube expander we supplied consists of the following components:

hydraulic pushing machine, active roll-Automatic Loading and Unloading bodies, hydraulic pump, operate table, motor control cabinets, medium frequency power, compensation capacitor, water cable, coils adjust frame, reactor.

Prepare by buyer:

1, Cooling water circulation system
2, Hydraulic oil
3. Connecting wires and cables, power source
4. Induction heating coil, moulds.
5, Auxiliary equipment: hydraulic pressure of straightening machines,tube end cut band saw, pipe testing equipment.

Maintenance of machine:

The equipment should be serviced about once a month, maintenance as following:

1.Check each part of fasteners, ensure they are fixed.

2.Make sure that all connectors of the hydraulic pump station are equipped with oil seal rings, if

the seal rings appear damaged or oil leakage, should be replace timely.

3.If found forward or backward abnormality, first check electro-hydraulic valve whether operate

normal, if working normally, then you should check whether the electro-hydraulic relief valve or the

one-way unloading valve has contaminant that made it could not working or not(this phenomenon

usually happen when you just use this machine). If has contaminant, you should open it, clean by

gasoline or diesl oil, everything is ok, then re-install.

4.Operated this equipment within 15 days, you should clean the tank and filter hydraulic oil once.

5.When cleaning tank, you should clean the inside the oil filter of tank also.