50 tons dump truck telescopic hydraulic cylinder

Processing and inspection:

1.Cylinder Tube

According to the work pressure,work temperature,work situation and other special requirements,different cylinder tube will be choosed.

1.1 Cylinder Tube:cold drawn precision seamless steel tube,hot rolled seamless steel tube,forged tube.

1.2 Tube Material: 27SiMn,etc.

1.3 Surface Roughness:R0.16-0.32μm

1.4 Inside Chromating:If necessary,inside tube will be chromated.

2.Piston Rod

2.1 Rod Material:35#,SAE1045(45#),35CrMo,42CrMo4,etc.

2.1 Technical Treatment: Quenched and tempered.1.5-1mm,or 1.03mm per millimetre.

3.Seal Kits

According to customers' requirements and work condition,we will choose suitable seal kits,including:Hallite,NOK,SKF,Parker,Merker,Trelleborg,China made,Taiwan made.We will supply you suitable seal kits to ensure hydraulic cylinders a long lifetime,easy maintenance and simple repairing.

4.Inspection and Testing

4.1 We have professional quality control department,every step from raw material to finished product is in the same factory,each procedure will be tested by professional inspector.

4.2 Before hydraulic cylinder is assemblied , every spare parts would be measured and cleaned .After hydraulic cylinder is assemblied , pressure test would be carried out one by one.We ensure the testing pressure is 30%-50% higher than rated pressure in almost one hour's test.Each hydraulic cylinder must be tested without any leakage.

Jinan Huachen Industrial Co.,Ltd established in 1997.Located in Jinan City Shandong Province.Our factory has nearly 18 years producing history.From 2007,our hydraulic cylinder has been exported to many countries all over the world.Canada,America,Australia,Bolivia,Thailand,Korea is our main market.In the past years,our product get a very good feedback from our customer.We focus on high quality,best after-sale service,win-win cooperation.

The Photo of Our Factory

The Photo of Our Producing Equipment.Including the cold drawing,heat treatment,CNC lathe,honed,boring and hard chrome equipment.

The photo of our package.Good package to make sure the 100% safe of our customer’s hydraulic cylinder.We can use the  iron, wooden cases, plastic films package according to your requirements.

The international market has covered Eastern Asia,Southeast Asia,North America,South America and Eastern Europe.Every year our customer Visit our factory.We are not only business relationship,but also old friend.

1.  Q: How can I decide which model hydraulic cylinder to buy?

A: Firstly you can check the above specification table of the hydraulic cylinder you need, if you can't find the exact model you want please provide us your parameters and specification of the hydraulic cylinder like bore,stroke,mounting type,mouting distance of the hydraulic cylinder you need.we can determine the most suitable model for you.

2.  Q: Can I have a specification sheet of your hydraulic cylinder?

A: Yes, please send e-mail or send me a message via TM so that I can send you the catalog.

3.  Q: What is the payment method?

A: For small amount we use 100%T/T bank transfer or West Union service, for great amount this will be 50%T/T in advance and the balance will be paid before delivering.

4.  Q: How long it will take from ordering to delivering?

A: It will take around 25 days to finish production, if there are any changes, we will inform you in time.

5.  Q: How about the warranty and after-sale service?

A: All of our products have one year warranty, and we can offer you long-distance after-sale service 7*24h.