Single Telescopic Legs of Roof Support for Mining Market
The cylinder of power support is the part which joins the beam and base,bearing the load of crown plate.
Hydraulically powered roof support are neccessary equipment for underground longwall mining.
WANTONG HYDRAULIC produces longwall hydraulic cylinder kits including one stage or multi-stage, single-acting or double-acting props used for hydraulically powered roof support. The main features are robust design, working pressure 32MPa and testing pressure 48MPa, mixture of water and oil as working fluid. It is possible to deliver hydraulic props with shock-valves for mine workings with seismic bumps.
It can be designed and made according to customer's requirement.
In 2006, our products passed ISO/TS 16949 International Quality Management System Certification, and the Hydraulic Cylinder for Coalmine Machine was successfully developed. in the following next year, it passed Safety Certificate of Approval for Mining Products from China Coal Research Institute. "Pursue zero defect of our products, and realize zero customers' complains" is our quality policy. Confirmed verification from our Australia clients, it is a real success!!!
Technical specification description:
| Single Telescopic Column of Hydraulic Support |
| Cylinder Diameter |
Working Resistance |
Opening pressure
of safety valve(Mpa) |
Column Sedimentation force |
Spherical radius
of column head |
Spherical radius
of cylinder head |
Diameter of connection
bore of column head |
| 220/185 |
1800 |
57.3 |
158 |
75 |
100 |
35 |
| 220/185 |
1800 |
57.3 |
158 |
75 |
100 |
35 |
| 220/185 |
1800 |
57.3 |
158 |
90 |
600 |
35 |
| 220/185 |
1800 |
57.3 |
158 |
90 |
600 |
35 |
| 230/220 |
1800 |
43.3 |
110.4 |
89.5 |
62 |
44 |
| 230/210 |
1800 |
43.3 |
216.7 |
89.5 |
62 |
44 |
Company Introduction:
Shandong wantong hydraulic co., ltd. sets up in 1995, is a specialized hydraulic cylinder manufacturing enterpirise which takes up with design, manufacturer, sell hydraulic products. The company covers an area of 180,000 square meters, with 500 emplayees in it. There are 700 sets of manufacturing equipments, such as cold drawing production lines, surface treatment production line, boring and rolling production line, various of digital-control machining and testing equipment.
Complete Manufaturing Processes
The Company has complete and total manufacturing processes from raw material entering to factory and up to the final finished products to customer, which all are done under same premises. Therefore we can control the quality and delivery time at our best.
Safety Certificates
We also have gained the certificate of approval for mining products from national safety authorities.
FAQ
Q1: Are you a manufacture or a trade company?
Answer: Manufacture, we are the leader manufacturer of hydraulic industry in China with 20 years experience and technology.
Q2: Do you have quality control system?
Answer: Yes, The quality management system introduced is: ISO/TS 16949:2009-certified by NQA and IATF cert.
Q3: How can i get a booklet and buy a cylinder from you?
Answer: Very easy! Just leave me a message or email and tell me your requirement, let me know you are interesting in our products.I will talk with you for the details soon!
Q4: Can you tell me the price for the cylinder?
Answer:
1. Please help inform your drawing with detail requirement.
2. Please help inform the cylinder NO. after you check our booklet.
3. Please help inform the tipping capacity, strokes, number of stages, closed length, mounting type and size and other information.
4. Please also help inform the quantities, this is very important.
5. Your destination port.
Q5: Do your products come with a warranty?
Answer: Yes, we have 14 months' warranty. During this period, if the quality problem occurs we will freely repair for you.
Q6: Can I customize our products from you?
Answer: Yes, we can make products according to your requirements. Please kindly send me your specifications and drawings.
Q7: Can you help me to install or give me advice about what kind of hydraulic cylinder or power pack should I use for specific machine?
Answer: Yes, we have 25 experienced engineers who are always ready to help you. If you do not know what kind of hydraulic cylinders should be used in your machine, please just contact us, our engineers will help you to design the exact products you need.
Q8: What is the delivery time?
Answer: Within 15 days for samples.
25-30 days for mass production, which is depend on quality, production process and so on.
Q9: What is your main payment itme?
Answer: T/T and L/C.
Q10: How can I contact with you?
Contact person: Caleb Tel.: +86 177 6332 6526
Audited Supplier 
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