Customized Servo Hydraulic Cylinder Price For Lifting With ISO9001

$69.98
2-9 Pieces
$66.98
10-19 Pieces
$62.98
20-99 Pieces
$57.98
>=100 Pieces
Min. Order
2 Pieces
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Company Information

Jiangsu Ying Naisi Machinery Manufacturing Co., Ltd.

CN Manufacturer
Response Time
<24h
Response Rate:
70.6%
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Quick Details

Port: SHANGHAI
Payment Terms: L/C,D/A,D/P,T/T,Western Union,MoneyGram
Supply Ability: 2000 Piece/Pieces per Month
Applicable Industries: Construction works&nbsp;
Standard or Nonstandard: Standard
Structure: General Cylinder
Power: Hydraulic
Body Material: Steel
Product name: Hydraulic Cylinder Double Acting
Material: Cold Drawing Steel Pipe
Packaging Detail: 1. Wrap up thick plastic bag 2. Place into one export standard box 3. Packing in one metal cage

 

JIANGSU YINGNAISI company design and manufacture heavy duty hydraulic cylinders  that covering the following fields:

 

hydraulic press cylinder

construction machinery cylinder

mining machinery cylinder

metallurgy machinery cylinder

water power project cylinder

marine hydraulic cylinder

servo hydraulic cylinder

 

 YINGNICESI contributes to customer value through the study and development on top precision endurable hydraulic cylinder always. we become one of high-quality supplies of HYUNDAI Hydraulic Machinery in Changzhou.

 

2. Design 

 

Not only we could manufacture all kinds of hydraulic cylinders according to the drawing from our

customers,but also we could make a design according to customer's requirements.If you 

require our engineer to make a design,pls advise us the following specification:

 

1. Rated pressure 

2. Working pressure 

3. Test pressure 

4. Working condition and environment ,for example ,temperature ,working frequency 

5. Pulling force ,and return stroke force

6. Pulling and return speed 

7. Assembly size  

8. Seal ring requirements .For example , brand ,seal material etc .

9. Tube and piston rod raw material requirements 

10. Piston rod surface treatment requirements, for example chromating film thickness ,   

 Surface hardness etc . 

11. Painting and other spare parts requirements .

 

 

3. Manufacturing capability and cylinder size range 

 

3.1 Cylinder bore diameter :max Ø1200mm 

3.2  Cylinder length :10Meter 

3.3  Max lifting capability :50 Tons 

 

 

4.Manufacturing and inspection 

 

4.1.Cylinder tube size and choice  

 

4.1.1   According to the cylinder pressure and inside diameter size ,different steel tube Would be choosed .

 

1.  ID ≤300mm , cold rolled precision seamless tube would be choosed 

2.  300mm≤ID ≤500mm , hot rolled seamless tube would be choosed 

3.  500mm≤ID ≤1000mm, forged tube would be choosed 

 

4.1.2 Cylinder tube steel grade : SAE1020 , SAE1045 ,27SiMn , S355JR ,S355J2G3

St52-3 ,SUS304 ,SUS316L etc .  

4.1.3 Cylinder tube inside boring and honing , roughness R0.2-R0.3,

 

4.1.4 Cylinder tube inside chromating : if necessary ,tube inside chromating could be applied 

.

4.2  Piston rod  is a very important part for hydraulic cylinder .

 

4.2.1 Piston rod steel grade : SAE1045, 42CrMo4, SUS410 ,SUS420, SUS304, SUS316L 

  

4.3 Seal ring and O ring 

 

According to the customers’ requirements and working condition , we would choose suitable 

seal ring kit , . we would supply suitable seal solution for their customer so that hydraulic cylinder has more

 lifetime , easy maintenance and simple repairing .

 

4.4 Tube and flange welding 

 

 The welding on cylinder tube and flange would be Ultrasonic tested every time , the welding seam would be 

cleaned before machining .weensure that every welding seam has no any leak during lifetime 

 

4.5 Assembly and pressure test

 

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 , eternal company ensure that testing

 pressure is higher 30%-50% than working pressure  , and pressure holding time 30~60 minutes is necessary . Every piece hydraulic cylinder must be tested completely without any leak .

 

 4.6 Painting and storage .

 

After hydraulic cylinder pass through pressure test , painting is necessary .

  

 

4.hydraulic cylinder quality guarantee system

Program before Delivery

1. Trial Operation Test

2. Start-up Pressure Test

3 Pressure-Tight Test

4. Leak Test

5. Full Stroke Test

6. Buffer Test

7. Testing the Effect of Limit 

8. Load Efficiency Test        

9. Reliability Test

 

 

 

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Q: How long will it take to produce an order?
A: It is within 30days for the purchasing and production time with container   

order and some days for the sample.  

Q: What is your minimum order?
A: Usually 1 ton for each size, please contact us when you are trying to  

purchase less than container load.

Q: What form of quotation do you offer?
A: FOB Shanghai/(China), CIF and CNF Your destination.

 

Q: What is your payment term? 
A: Payment is 30% deposit, 70% before shipment or 70% L/C at sight for the

container order 100% T/T in advance for LCL order or the sample order.

We accept US dollar,Euro,GBP.etc.

 

Q: Does the sample for free or not?
A: The samples are free if they are common sizes, You need to pay the freight

charge.

 

Q: How do you guarantee the quality of the products?
A: All of our procedures are strictly operated under the ISO 9001, and there

are as many as 6 times of test during the production of each product to

ensure the quality.We have our own test centers, every tubes will be tested

under our testing equipment before package.

 

Q: How do you to package the product?
A: Internal wrapped with plastic foil, external wrapped with polywoven bags,

we use steel belt to pack the outside, polywooden cases or wooden boxes

for thin wall thickness can be offered if required.

 

Q: How about the Third Party Inspection ?
A: We have been working with DNV,TUV,SGS,BV,CO,etc.