Product Description

Parker and CHINAMFG Type telescopic cylinder for dump truck and trailer body

1. Company Information
  Found 1995,w are 1 of the biggest hydraulic cylinder manufacturer in China, specialized in design, R & D and manufacturing of hydraulic machinery products etc, with its annual production capaciy of 2 square meters.There are 700 sets of mnufacturing equipment .

Product Description

  2. hydraulic telescopic cylinder for dump truck drawing and parameter 

Hyva FE type

ITEM MODLE NO. # of Stages Largest Moving Stage Diameter(mm) stroke(mm) mounting distance(mm) 
1 WTHY FE-3-110-3205 3 110 3205 1449
2 WTHY FE-3-110-3460 3 110 3460 1609
3 WTHY FE-3-129-3460 3 129 3460 1449
4 WTHY FE-3-129-3880 3 129 3880 1609
5 WTHY FE-3-149-2900 3 149 2900 1320
6 WTHY FE-3-149-3200 3 149 3200 1420
7 WTHY FE-3-149-3500 3 149 3500 1520
8 WTHY FE-3-149-3880 3 149 3880 1644
9 WTHY FE-4-149-4280 4 149 4280 1450
10 WTHY FE-4-149-4940 4 149 4940 1529
11 WTHY FE-4-149-4620 4 149 4620 1484
12 WTHY FE-4-169-4280 4 169 4280 1394
13 WTHY FE-4-169-4450 4 169 4450 1437
14 WTHY FE-4-169-4620 4 169 4620 1479
15 WTHY FE-4-169-4940 4 169 4940 1529
16 WTHY FE-4-169-5000 4 169 5000 1574
17 WTHY FE-4-169-5180 4 169 5180 1604
18 WTHY FE-5-169-5355 5 169 5355 1394
19 WTHY FE-5-169-5780 5 169 5780 1559
20 WTHY FE-5-169-6180 5 169 6180 1527
21 WTHY FE-5-169-6480 5 169 6480 1604
22 WTHY FE-5-169-6830 5 169 6830 1674
23 WTHY FE-5-169-7130 5 169 7130 1769
24 WTHY FE-5-191-6180 5 191 6180 1527
25 WTHY FE-5-191-9030 5 191 9030 2177
26 WTHY FE-6-191-7420 6 191 7420 1677
27 WTHY FE-5-214-6830 5 214 6830 1662
28 WTHY FE-5-214-7130 5 214 7130 1722

Parker and Custom hoists kind 

ITEM  MODEL NO. Largest Moving Stage Diameter # of Stages STROKE CLOSED LENGTH OPEN LENGTH
1 WTPK 3TG F5*72 5" 3 72"(1829mm) 37.19" (945mm) 109.19" (2773mm)
2 WTPK 3TG F5*84 5''       3 84" (2134mm) 41.19" (1046mm) 125.19" (3180mm)
3 WTPK 3TG F5*107 5" 3 107.56" (2732mm) 48.38" (1229mm) 155.94" (3961mm)
4 WTPK 3TG F5*126 5" 3 126.63" (3216mm) 54.56" (1386mm) 181.19" (4602mm)
5 WTPK 3TG F6*86 6" 3 86.75" (2203mm) 40.88" (1038mm) 127.63" (3241mm)
6 WTPK 3TG F6*104 6" 3 103.94" (2640mm) 47" (1194mm) 150.94" (3834mm)
7 WTPK 3TG F6*107 6" 3 107.56" (2732mm) 48.38" (1289mm) 155.94" (3961mm)
8 WTPK 3TG F6*111 6''     3 111" (2819mm) 49.94" (1268mm) 160.94" (4087mm)
9 WTPK 3TG F6*120 6''     3 120'' (3048mm) 53.5" (1359mm) 173.5" (4407mm)
10 WTPK 3TG F6*123 6''     3 123" (3124mm) 54.94" (1395mm) 177.94" (4519mm)
11 WTPK 3TG F6*126 6''     3 126.31"(3208mm) 54.56" (1386mm) 180.87" (4594mm)
12 WTPK 3TG F6*140 6''     3 140.25" (3562mm) 59.81" (1519mm) 200.06" (5081mm)
13 WTPK 4TG F6*135 6''     4 135" (3429mm) 47.19" (1199mm) 182.19" (4628mm)
14 WTPK 4TG F6*156 6''     4 156" (3962mm) 53.62" (1362mm) 209.62" (5324mm)
15 WTPK 3TG F7*110 7"     3 110.63" (2810mm) 50.06" (1271mm) 160.69" (4081mm)
16 WTPK 3TG F7*120 7"  3 120" (3048mm) 53.12" (1349mm) 173.12" (4397mm)
17 WTPK 3TG F7*124 7"    3 124.88" (3172mm) 54.81" (1392mm) 179.69" (4564mm)
18 WTPK 3TG F7*129 7"    3 129" (3277mm) 56.5"  (1435mm) 185.5" (4712mm)
19 WTPK 3TG F7*140 7"    3 140.44" (3567mm) 60"  (1524mm) 200.44" (5091mm)
20 WTPK 3TG F7*150 7"    3 150" (3810mm) 63.50"  (1613mm) 213.50" (5423mm)
21 WTPK 4TG F7*120 7"    4 120" (3048mm) 44.12" (1120mm) 164.12" (4168mm)
22 WTPK 4TG F7*135 7"    4 135" (3429mm) 48.43" (1230mm) 183.44" (4659mm)
23 WTPK 4TG F7*140 7"    4 140" (3556mm) 49.75" (1263mm) 189.75" (4819mm)
24 WTPK 4TG F7*156 7"    4 156" (3962mm) 53.75" (1365mm) 209.75" (5327mm)
25 WTPK 4TG F7*161 7"    4 161.75" (4108mm) 55.31" (1405) 217.06" (5513mm)
26 WTPK 4TG F7*167 7"    4 167" (4242mm) 56.38" (1432mm) 223.38" (5674mm)
27 WTPK 4TG F7*180 7"    4 180" (4572mm) 61.12" (1552mm) 241.12" (6124mm)
28 WTPK 4TG F8*148 8"    4 147.75" (3753mm) 51.50" (1308mm) 199.25" (5061mm)
29 WTPK 4TG F8*156 8"    4 156" (3962mm) 53.75" (1365mm) 209.75" (5327mm)
30 WTPK 4TG F8*161 8"    4 160" (4064mm) 55.75" (1416mm) 215.75" (5480mm)
31 WTPK 4TG F8*170 8"    4 170" (4318mm) 57.25" (1454mm) 227.25" (5481mm)
32 WTPK 4TG F8*180 8"    4 180" (4572mm) 59.75" (1518mm) 239.75" (6090mm)
33 WTPK 5TG F8*170 8"    5 170" (4318mm) 49.88" (1267mm) 219.88" (5585mm)
34 WTPK 5TG F8*190 8"   5 189" (4800mm) 54.62" (1387mm) 243.62" (6188mm)
35 WTPK 5TG F8*220 8"   5 220" (5588mm) 60" (1524mm) 280" (7112mm)
36 WTPK 5TG F8*235 8"    5 234" (5944mm) 64.62" (1641mm) 298.62" (7585mm)
37 WTPK 5TG F8*250 8"   5 249" (6325mm) 68.62" (1743mm) 317.62" (8068mm)
38 WTPK 5TG F8*265 8"    5 265" (6731mm) 71" (1803mm) 336" (8534mm)
39 WTPK 5TG F8*285 8"   5 285" (7239mm) 78.5" (1994mm) 363.5" (9233mm)
40 WTPK 5TG F9*220 9"    5 218" (5537mm) 62.44" (1586mm) 280.44" (7123mm)
41 WTPK 5TG F9*235 9"    5 233" (5918mm) 65.44" (1662mm) 298.44" (7580mm)
42 WTPK 5TG F9*250 9"    5 248" (6299mm) 68.44" (1738mm) 316.44" (8037mm)
43 WTPK 5TG F9*265 9"    5 265" (6731mm) 72.62" (1844mm) 337.62" (8575mm)
44 WTPK 5TG F9*280 9"    5 280" (7112mm) 72.62" (1997mm) 358.62" (9109mm)
45 WTPK 5TG F9*300 9"    5 300" (7620mm) 79" (2007mm) 379" (9627mm)
46 WTPK 5TG F9*320 9"    5 320" (8128mm) 83" (2108mm) 403" (9628mm)
47 WTPK 5TG F9*340 9"    5 340" (8636mm) 87" (2210mm) 427" (10846mm)

 

  3. hydraulic telescopic cylinder for dump truck produce line

700 sets manufacturing equipment,such as cold drawing production line ,heat treatment production line ,surface treatment production line,testing equipment,various digital-control machining equipment,gantry style linear electroplating production line.

4. hydraulic telescopic cylinder for dump truck 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

Every piece of hydraulic cylinder are tested and will send out only after they are pasted the each test.

  Our company has abundant technical force and perfect testing means. By making wide technical and business cooperation with many related enterprises, universities, colleges and institutes both at home and abroad, and employing senior engineers and software engineers, we have greatly strengthened and improved our designing, processing, and testing abilities.
 

5. After-service
    1).Pre-sale service: Keep communicating with the truck manufacturers , including selection of product model , design of hydraulic system,   test of performance and analysis of the accident. Once the problems occur, we will solve them immediately together with truck manufacturers .
    2).The sale service: Provide training and technical support for users.
    3).After-sale service: Solve the problem firstly, then analyse responsibility ; Replace the system components immediately if any need. 
    4). 24 hours telephone service hotline.

6.Exhibition and partner

7. FAQ

Q1. What are the same aspects of your cylinder with CHINAMFG cylinder?
A: Same inside structure.
Same outside dimension and same mounting sizes. It can be interchangeable with Hyva's
 
Q2. Compared with CHINAMFG cylinder, what are your cylinder advantages?
A: 1. Rod are chrome plated.
2. Tubes are quenched and tempered.
3. Tube inner hole goes through deephole boring machine processing. Surface roughness is 0.4Ra 
and circular degree is 0.571.
4. Good quality yet lower price.
 
Q3: Are you a manufacture or a trade company?
A: Manufacture, we are the leader manufacturer of hydraulic industry in China with over 20 years' experience and technology accumulation. With strong technical team we could solve any annoyance of you.
 
Q4: Do you have quality control system?
A: Yes, The quality management system introduced is: ISO/TS 16949:2009-certified by NQA and IATF cert.
 
Q5: How can i get a booklet and buy a cylinder from you?
A: Very easy! Just leave me a message or email or call me directly, let me know you are interesting in our products. I will talk with you for the details soon!
 
Q6: Can you tell me the price for the cylinder?
A: 1. Please advice the drawing with technical requirement.
2. Please advice the model No. after you check our booklet.
3. Please advice the tipping capacity, number of stages, closed length, mounting type and size.
4. Please also help advice the quantities, this is very important.
 
Q7: Do your products come with a warranty?
A: Yes, we have 14month from production time. In this time, if the quality problem we will free repair for you.
 
Q8: 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. Advanced equipment could assure the polish processing. And we use the imported/TOP brand seals to meet customers' requirement.
 
Q9: What about the quality feedback of your products?
A: WE HAVE NEVER RECEIVED EVEN ONCE QUALITY COMPLAINT FOR MANY YEARS OF INTERNATIONAL BUSINESS.
 
Q10: Can you help me to install or recommend what kind of hydraulic cylinder or power pack should I use for specific machine?
A: 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 design the exact products match your need.
 
Q11: What is the delivery time?
A: 20 days for bulk production, which is depend on quality, production process and so on.
 
Q12: What is your main payment term?
A: T/T, L/C, D/A, D/P either is available.

Q13: What is your contact information?
A: Mob: -
 

Material: Steel
Usage: Automation and Control, for Tipper,Dump Truck
Structure: Telescopic Cylinder
Power: Hydraulic
Standard: Nonstandard
Pressure Direction: Single-acting Cylinder
Customization:
Available

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hydraulic cylinder

How do hydraulic cylinders handle variations in temperature and harsh operating environments?

Hydraulic cylinders are designed to handle variations in temperature and harsh operating environments by incorporating specific features and materials that ensure their durability, reliability, and performance. The ability of hydraulic cylinders to withstand extreme temperatures, corrosive environments, and other harsh conditions is crucial for their successful operation in a wide range of applications. Here's a detailed explanation of how hydraulic cylinders handle variations in temperature and harsh operating environments:

1. Temperature Range:

- Hydraulic cylinders are designed to operate within a specified temperature range. The materials used in their construction, such as cylinder barrels, pistons, seals, and lubricants, are selected to withstand the anticipated temperature variations. Specialized seals and O-rings made from materials like nitrile, Viton, or polyurethane are used to maintain their sealing properties over a wide temperature range. Heat-resistant coatings or thermal insulation may be applied to certain components to protect them from high temperatures.

2. Thermal Expansion:

- Hydraulic cylinders are designed to accommodate thermal expansion and contraction that occurs with temperature changes. The materials used in their construction have different coefficients of thermal expansion, allowing the cylinder components to expand or contract at a similar rate. This design consideration prevents excessive stress, binding, or leakage that could result from thermal expansion or contraction.

3. Heat Dissipation:

- In applications where hydraulic cylinders are subjected to high temperatures, heat dissipation mechanisms are employed to prevent overheating. Cooling fins or heat sinks may be incorporated into the cylinder design to increase the surface area for heat transfer. In some cases, external cooling methods such as air or liquid cooling systems can be used to maintain optimal operating temperatures.

4. Corrosion Resistance:

- Hydraulic cylinders used in harsh operating environments are constructed from materials that exhibit excellent corrosion resistance. Stainless steel, chrome-plated steel, or other corrosion-resistant alloys are commonly used for cylinder components exposed to corrosive substances or environments. Additionally, surface treatments such as coatings, plating, or specialized paints can provide an extra layer of protection against corrosion.

5. Sealing Systems:

- Hydraulic cylinders employ sealing systems that are specifically designed to withstand harsh operating environments. The seals used in hydraulic cylinders are selected based on their resistance to temperature extremes, chemicals, abrasion, and other environmental factors. Specialized seal designs, such as wiper seals, rod seals, or high-temperature seals, are utilized to maintain effective sealing and prevent contamination of the hydraulic fluid.

6. Lubrication:

- Proper lubrication is essential for the smooth operation and longevity of hydraulic cylinders, particularly in harsh operating environments. Lubricants are selected based on their ability to withstand high temperatures, resist oxidation, and provide effective lubrication under extreme conditions. Regular maintenance and lubrication practices ensure that the cylinder components continue to operate smoothly and reduce the effects of wear and friction.

7. Robust Construction:

- Hydraulic cylinders designed for harsh operating environments are built with robust construction techniques to withstand the rigors of such conditions. The cylinder barrels, rods, and other components are manufactured to meet strict quality and durability standards. Welded or bolted construction methods are employed to ensure the structural integrity of the cylinders. Reinforcements, such as flanges or tie rods, may be added to enhance the cylinder's strength and resistance to external forces.

8. Environmental Protection:

- Hydraulic cylinders can be equipped with additional protective features to shield them from harsh operating environments. Protective covers, boots, or bellows can be used to prevent contaminants, debris, or moisture from entering the cylinder and compromising its performance. These protective measures help extend the service life of hydraulic cylinders in demanding conditions.

9. Compliance with Standards:

- Hydraulic cylinders manufactured for specific industries or applications often comply with industry standards or regulations related to operating temperature ranges, environmental conditions, or safety requirements. Compliance with these standards ensures that hydraulic cylinders are designed and tested to meet the specific demands of their intended operating environments.

In summary, hydraulic cylinders are designed to handle variations in temperature and harsh operating environments by incorporating suitable materials, thermal expansion considerations, heat dissipation mechanisms, corrosion-resistant components, specialized sealing systems, proper lubrication, robust construction techniques, protective features, and compliance with industry standards. These design considerations and features enable hydraulic cylinders to operate reliably and effectively in a wide range of demanding applications and environmental conditions.

hydraulic cylinder

Handling Challenges of Different Fluid Viscosities in Hydraulic Cylinders

Hydraulic cylinders are designed to handle the challenges associated with different fluid viscosities. The viscosity of hydraulic fluid can vary based on temperature, type of fluid used, and other factors. Hydraulic systems need to accommodate these variations to ensure optimal performance and efficiency. Let's explore how hydraulic cylinders handle the challenges of different fluid viscosities:

  1. Fluid Selection: Hydraulic cylinders are designed to work with a range of hydraulic fluids, each with its specific viscosity characteristics. The selection of an appropriate fluid with the desired viscosity is crucial to ensure optimal performance. Manufacturers provide guidelines regarding the recommended viscosity range for specific hydraulic systems and cylinders. By choosing the right fluid, hydraulic cylinders can effectively handle the challenges posed by different fluid viscosities.
  2. Viscosity Compensation: Hydraulic systems often incorporate features to compensate for variations in fluid viscosity. For example, some hydraulic systems utilize pressure compensating valves that adjust the flow rate based on the viscosity of the fluid. This compensation ensures consistent performance across different operating conditions and fluid viscosities. Hydraulic cylinders work in conjunction with these compensation mechanisms to maintain precision and control, regardless of the fluid viscosity.
  3. Temperature Control: Fluid viscosity is highly dependent on temperature. Hydraulic cylinders employ various temperature control mechanisms to address the challenges posed by temperature-induced viscosity changes. Heat exchangers, coolers, and thermostatic valves are commonly used to regulate the temperature of the hydraulic fluid within the system. By controlling the fluid temperature, hydraulic cylinders can maintain the desired viscosity range, ensuring reliable and efficient operation.
  4. Efficient Filtration: Contaminants in hydraulic fluid can affect its viscosity and overall performance. Hydraulic systems incorporate efficient filtration systems to remove particles and impurities from the fluid. Clean fluid with the appropriate viscosity ensures optimal functioning of hydraulic cylinders. Regular maintenance and filter replacements are essential to uphold the desired fluid viscosity and prevent issues related to fluid contamination.
  5. Proper Lubrication: Different fluid viscosities can impact the lubrication properties within hydraulic cylinders. Lubrication is essential for minimizing friction and wear between moving parts. Hydraulic systems employ lubricants specifically formulated for the anticipated fluid viscosity range. Adequate lubrication ensures smooth operation and extends the lifespan of hydraulic cylinders, even in the presence of varying fluid viscosities.

In summary, hydraulic cylinders employ various strategies to handle the challenges associated with different fluid viscosities. By selecting appropriate fluids, incorporating viscosity compensation mechanisms, controlling temperature, implementing efficient filtration, and ensuring proper lubrication, hydraulic cylinders can accommodate variations in fluid viscosity. These measures enable hydraulic systems to deliver consistent performance, precise control, and efficient operation across different fluid viscosity ranges.

hydraulic cylinder

How do hydraulic cylinders handle variations in load, pressure, and speed?

Hydraulic cylinders are designed to handle variations in load, pressure, and speed effectively. They incorporate features and components that allow them to adapt to changing operating conditions and maintain optimal performance. Here's a detailed explanation of how hydraulic cylinders handle variations in load, pressure, and speed:

Variations in Load:

- Hydraulic cylinders are capable of handling variations in load by adjusting the force they exert. The force output of a hydraulic cylinder is determined by the hydraulic pressure and the surface area of the piston. When the load increases, the pressure in the hydraulic system can be adjusted to generate a higher force. This adjustment can be achieved by regulating the flow of hydraulic fluid into the cylinder using control valves. By controlling the pressure and flow, hydraulic cylinders can adapt to different load requirements, ensuring that the force applied is sufficient to handle the load while preventing excessive force that could cause damage.

Variations in Pressure:

- Hydraulic cylinders are designed to handle variations in pressure within the hydraulic system. They are equipped with seals and other components that can withstand high-pressure conditions. When the pressure within the hydraulic system fluctuates, the hydraulic cylinder adjusts accordingly to maintain its performance. The seals prevent fluid leakage and ensure that the hydraulic pressure is effectively transmitted to the piston, allowing the cylinder to generate the required force. Additionally, hydraulic systems often incorporate pressure relief valves and other safety mechanisms to protect the cylinder and the entire system from overpressure conditions.

Variations in Speed:

- Hydraulic cylinders can handle variations in speed through the control of hydraulic fluid flow. The speed of a hydraulic cylinder's extension or retraction is determined by the rate at which hydraulic fluid enters or exits the cylinder. By adjusting the flow rate using flow control valves, the speed of the cylinder's movement can be regulated. This allows for precise control over the speed, enabling operators to adapt to varying speed requirements based on the specific task or load. Furthermore, hydraulic systems can incorporate flow control valves with adjustable orifice sizes to fine-tune the speed of the cylinder's movement.

Load-Sensing Technology:

- Advanced hydraulic systems may incorporate load-sensing technology to further enhance the ability of hydraulic cylinders to handle variations in load, pressure, and speed. Load-sensing systems monitor the load demand and adjust the hydraulic pressure and flow accordingly to meet that demand. This technology ensures that the hydraulic cylinder provides the necessary force while optimizing energy efficiency. Load-sensing systems are particularly beneficial in applications where the load requirements can vary significantly, allowing hydraulic cylinders to adapt in real-time and maintain precise control over force and speed.

Accumulators:

- Hydraulic systems can also utilize accumulators to assist in handling variations in load, pressure, and speed. Accumulators store hydraulic fluid under pressure, which can be released when needed to supplement the flow and pressure in the system. When there are sudden increases in load or pressure demands, accumulators can provide additional fluid to the hydraulic cylinder, ensuring smooth operation and preventing pressure drops. Similarly, accumulators can assist in maintaining consistent speed by compensating for fluctuations in flow rate. They act as a supplemental energy source, helping hydraulic cylinders respond effectively to variations in operating conditions.

In summary, hydraulic cylinders handle variations in load, pressure, and speed through various mechanisms and components. They can adjust the force output to accommodate different load requirements by regulating hydraulic pressure. The seals and components within hydraulic cylinders allow them to withstand variations in pressure within the hydraulic system. By controlling the flow of hydraulic fluid, hydraulic cylinders can regulate the speed of their movement. Advanced technologies such as load-sensing systems and the use of accumulators further enhance the adaptability of hydraulic cylinders to changing operating conditions. These features and mechanisms enable hydraulic cylinders to maintain optimal performance and provide reliable force and motion control in a wide range of applications.

China best Full Set CZPT Type Telescopic Hydraulic Cylinder for Vehicle   vacuum pump acChina best Full Set CZPT Type Telescopic Hydraulic Cylinder for Vehicle   vacuum pump ac
editor by CX 2023-10-30