China
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100 ~ 1000 / Set ( Negotiable ) أحصل على آخر سعر
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100 per Set
1 Set
wooden cases
15days after deposit
200000 Set per Year
T/T, L/C, D/A, D/P, Other
Technical Parameter:
Features | |
Bore Diameter | 2'-60'/50-1500mm |
Rod Diameter | 1' - 60'/25 -1500 mm |
Wall Thickness | 0.1'-4'/3-100 mm |
Max Stroke | 157'/4000 mm |
Max Pressure | 7252 psi/500 bar |
Test Pressure | 5004 psi/345 bar |
Material | 20#,40#,45#,16Mn,27SiMn,etc |
Seal Kits | Parker,NOK,SKF,DICHTOMATIK,Trelleborg,Merkel,etc |
Diamensional Accuracy | H7-H11 |
Bore Roughness | Ra 0.4-1.6mm |
Coating | Nickel,hard chrome,ceramic |
Purpose | Construction,metallurgical,mining,agricultural,forestry machinery,etc |
OEM | Yes |
MOQ | 1 Piece |
Certificates | ISO9001,ISO/TS16949,ABS,AQA,API,CCS,CCRI,DNV |
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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: SAE1020(20#) , SAE1045(45#) ,16Mn(Q345B),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.
Hydraulic Cylinder Types:
We specialize in design and manufacture hydraulic cylinders to satisfy multiple uses including:
Q1:What's the brand name of your products ?
A:Generally,we use our own brand "WTJX",OEM is also available as required.
Q2:Hydraulic cylinder internal leakage?
A:3 main reasons causing internal leakage :Overload,polishing bad controlled,cheap seal kits.As is known to all,vehicles in China are often overloaded,our products all designed to bear the overload power.We have numerical control machine to assure the polish processing .And we use the imported seals to meet customers' demands.
Q3:Is your design reasonable?What about your product safe coefficient?
A:We have R&D team with abundant design experience.We also establish production,education,and research cooperation with universities.Rest assured.
Q4:What about the quality feedback of your products?
A:WE HAVE NEVER RECEIVED EVEN ONCE QUALITY COMPLAINT FOR MANY YEARS OF INTERNATIONAL TRADE.
Q5:Is the sample free of charge?
A:Yes.In our acceptable range, we can offer a sample by charging freight. And we will return the fee after you make an order.
Q6:How about the delivery time?
A:Over 700 sets advanced eq
الشخص الذي يمكن الاتصال به:Ms. Lily
الشركة:Shandong Wantong Hydraulic Co., ltd
عنوان:Haiqu, Rizhao, Shandong, China,
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