Product Description

Company Profile

ZheJiang CHINAMFG Hydraulic Co., Ltd. (Stock Code: 83 0571 ), founded in June 2004, is a domestic medium and high pressure hydraulic cylinder supplier integrating R&D, production, sales and service. Its main products include 3 series of hydraulic cylinders for dump trucks, hydraulic cylinders for mechanical equipment and hydropneumatic suspensions.

The company’s management team and main technical personnel are stable. We has constantly innovated from the actual needs of customers, has gradually positioned the medium and high-end market, and has provided high-quality products for customers in automobile, coal mine, petroleum, engineering machinery and other industries with high-quality service.

Product Description and Specification

This product is a North American-style front-end telescopic cylinder. It has received high acclaim from customers.
Our product advantage lies in:
1.The North American advanced processing technology is adopted to ensure the stable performance.
2.High quality alloy seamless steel pipe are adopted to keep big lifting capacity and light weight.
3.The application of imperial size makes it easy to replace the seals and other accessories.
4.Superior chrome-plating technology improves the corrosion resistance and hardness of cylinders.
5.The world famous brands of seals such as HALLITE, CHINAMFG and NOK ensure the sealing performance.

To better ensure the safety of your goods, professional, environmentally friendly, convenient and efficient packaging services will be provided.
 

 

Model	The first stage rod diameter	Stroke	Closed length	Open length
WTPK 3TG F5*72	5″	1829mm	945mm	2773mm
WTPK 3TG F5*84	5″	2134mm	1046mm	3180mm
WTPK 3TG F5*107	5″	2732mm	1229mm	3961mm
WTPK 3TG F5*126	5″	3216mm	1386mm	4602mm
WTPK 3TG F6*86	6″	3216mm	1038mm	3241mm
WTPK 3TG F6*104	6″	2640mm	1194mm	3834mm
WTPK 3TG F6*107	6″	2732mm	1289mm	3961mm
WTPK 3TG F6*111	6″	2819mm	1268mm	4087mm
WTPK 3TG F6*120	6″	3048mm	1359mm	4407mm
WTPK 3TG F6*126	6″	3208mm	1386mm	4594mm
WTPK 3TG F6*140	6″	3562mm	1519mm	5081mm
WTPK 4TG F6*135	6″	3429mm	1199mm	4628mm
WTPK 4TG F6*156	6″	3962mm	1362mm	5324mm
WTPK 3TG F7*110	7″	2810mm	1271mm	4081mm
WTPK 3TG F7*120	7″	3048mm	1349mm	4397mm
WTPK 3TG F7*124	7″	3172mm	1392mm	4564mm
WTPK 3TG F7*129	7″	3277mm	1435mm	4712mm
WTPK 3TG F7*140	7″	3567mm	1524mm	5091mm
WTPK 3TG F7*150	7″	3810mm	1613mm	5423mm
WTPK 4TG F7*120	7″	3048mm	1349mm	4168mm
WTPK 4TG F7*135	7″	3429mm	1230mm	4659mm
WTPK 4TG F7*140	7″	3556mm	1263mm	4819mm
WTPK 4TG F7*156	7″	3962mm	1365mm	5327mm
WTPK 4TG F7*161	7″	4108mm	1405mm	5513mm
WTPK 4TG F7*167	7″	4242mm	1432mm	5674mm
WTPK 4TG F7*180	7″	4572mm	1552mm	6124mm
WTPK 4TG F8*148	8″	3753mm	1308mm	5061mm
WTPK 4TG F8*156	8″	3962mm	1365mm	5327mm
WTPK 4TG F8*161	8″	4064mm	1416mm	5480mm
WTPK 4TG F8*170	8″	4318mm	1454mm	5481mm
WTPK 4TG F8*180	8″	4572mm	1518mm	6090mm
WTPK 5TG F8*170	8″	4318mm	1267mm	5585mm
WTPK 5TG F8*190	8″	4800mm	1387mm	6188mm
WTPK 5TG F8*220	8″	5588mm	1524mm	7122mm
WTPK 5TG F8*235	8″	5944mm	1641mm	7585mm
WTPK 5TG F8*250	8″	6325mm	1743mm	8068mm
WTPK 5TG F9*265	9″	6731mm	1844mm	8575mm
WTPK 5TG F9*280	9″	7112mm	1997mm	9109mm
WTPK 5TG F9*300	9″	7620mm	2007mm	9627mm
WTPK 5TG F9*320	9″	8129mm	2108mm	9628mm
WTPK 5TG F9*340	9″	8636mm	2210mm	10846mm

 

Quality Guarantee System

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.
 

Machining Equipment

Our company have 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.

Certificate And Our Customers

Domestic Marketing Locations
The company’s products are widely sold in ZheJiang , ZheJiang , ZheJiang , ZheJiang , ZheJiang , ZheJiang , ZheJiang , ZheJiang , ZheJiang and other more than 20 provinces, municipalities and autonomous regions.

Foreign Marketing Locations
Our products are exported to the United States, Canada, Mexico, Russia, South Africa, Indonesia and other Europe, America, South America, Southeast Asia.

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-hour telephone service hotline.

FAQ

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: There are 3 main reasons causing internal leakage : overload, polishing is not well controlled, bad seal kits. As is known to all, vehicles in China are often overload, 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:Does your piston rod get ruptured easily?
A: Hard chrome plating quenched and tempered 45# steel for piston rod to assure sufficient hardness and toughness.

Q4:What about the quality feedback of your products?
A: Guarantee the quality from the raw material. We have cold drawing production line and nickel-chrome electroplating production line, so we can produce cold-drawing pipe and hard-chrome pipe used for hydraulic cylinder!

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What safety considerations are important when using machinery with telescopic cylinders?

When using machinery with telescopic cylinders, several safety considerations should be taken into account. Here’s a detailed explanation:

Operator training and awareness:

Proper training and awareness are crucial for operators working with machinery equipped with telescopic cylinders. Operators should receive comprehensive training on the safe operation of the machinery, including the correct use of telescopic cylinders. They should be familiar with the controls, safety features, and best practices to ensure their own safety and the safety of others in the vicinity.

Regular inspection and maintenance:

Regular inspection and maintenance of telescopic cylinders are essential for ensuring safe operation. Cylinders should be inspected for signs of wear, damage, or leakage. Any issues should be addressed promptly to prevent potential failures or accidents. Lubrication, if required, should be performed according to the manufacturer’s recommendations.

Proper load capacity and stability:

It is important to ensure that the machinery and telescopic cylinders are used within their specified load capacity. Exceeding the load capacity can lead to instability, loss of control, or structural failure. Proper weight distribution and secure attachment of loads are also critical to maintaining stability during operation.

Safe work environment:

Creating a safe work environment is essential when using machinery with telescopic cylinders. This includes maintaining clear and unobstructed pathways for the machinery’s movement, removing potential hazards, and implementing appropriate safety measures such as barriers, signage, or warning systems to prevent unauthorized access or accidental contact with the machinery or its cylinders.

Emergency stop and shutdown procedures:

Emergency stop and shutdown procedures should be clearly communicated to operators. They should be trained on how to quickly and effectively stop the machinery’s operation in case of an emergency or when a safety hazard is detected. These procedures should be regularly reviewed and practiced to ensure a prompt response in critical situations.

Proper guarding and protection:

Telescopic cylinders should be adequately guarded to prevent accidental contact and potential injuries. Guarding may include physical barriers, shields, or sensors that detect the presence of personnel or objects in the cylinder’s path. Additionally, operators should wear appropriate personal protective equipment (PPE) as recommended for the specific task and working environment.

Compliance with regulations and standards:

It is important to ensure compliance with relevant regulations and safety standards when using machinery with telescopic cylinders. These regulations and standards may address aspects such as design, installation, operation, maintenance, and inspection of the machinery and its components. Adhering to these requirements helps mitigate risks and promotes a safe working environment.

Regular risk assessments:

Regular risk assessments should be conducted to identify and address potential hazards associated with the machinery and telescopic cylinders. This includes assessing risks related to operation, maintenance, equipment failure, environmental conditions, and human factors. Mitigation measures should be implemented based on the findings of the risk assessment.

Overall, safety considerations when using machinery with telescopic cylinders involve operator training, regular inspection and maintenance, load capacity and stability, safe work environment, emergency procedures, guarding and protection, compliance with regulations, and regular risk assessments. By addressing these considerations, the risks associated with operating machinery with telescopic cylinders can be minimized, promoting a safer working environment.

It’s important to consult the machinery manufacturer’s guidelines, safety manuals, and applicable regulations to ensure comprehensive understanding and implementation of safety practices.

How do telescopic cylinders handle variations in hydraulic pressure and flow rate?

Telescopic cylinders are designed to handle variations in hydraulic pressure and flow rate effectively. Here’s a detailed explanation:

Hydraulic pressure control:

Telescopic cylinders are equipped with hydraulic systems that allow for precise control of hydraulic pressure. The hydraulic pressure is regulated by a pump that supplies pressurized hydraulic fluid to the cylinder. The pressure can be adjusted according to the specific requirements of the application.

Pressure relief valves:

To handle variations in hydraulic pressure, telescopic cylinders often incorporate pressure relief valves. These valves are designed to limit the maximum pressure within the cylinder to prevent damage or failure. When the pressure exceeds the set limit, the relief valve opens, allowing excess fluid to bypass and relieve the pressure. This ensures the safety and integrity of the telescopic cylinder and the hydraulic system.

Flow control:

Telescopic cylinders also handle variations in flow rate through the hydraulic control system. The flow rate of hydraulic fluid into and out of the cylinder determines the speed of extension and retraction. Flow control valves, such as flow restrictors or flow control valves, are commonly employed to regulate the flow rate.

Flow restrictors:

Flow restrictors are used to limit the flow rate of hydraulic fluid entering or leaving the telescopic cylinder. By restricting the flow, the speed of extension or retraction can be controlled. This allows for precise and gradual movement, preventing abrupt or uncontrolled motion.

Flow control valves:

Flow control valves are designed to provide adjustable flow rates by regulating the opening or closing of hydraulic passages. These valves allow operators to control the speed of extension and retraction of the telescopic cylinder. By adjusting the flow control valves, variations in flow rate can be accommodated to suit specific operational requirements.

Sequencing valves:

In some applications, telescopic cylinders may require a specific sequence of extension and retraction. Sequencing valves are used to control the order in which different stages of the telescopic cylinder extend or retract. These valves ensure proper synchronization of the cylinder stages and prevent uneven or unbalanced movement.

Overall, telescopic cylinders employ various hydraulic components and control mechanisms to handle variations in hydraulic pressure and flow rate. Pressure relief valves protect against excessive pressure, flow restrictors and flow control valves regulate the flow rate, and sequencing valves ensure proper sequencing of cylinder stages. These features allow telescopic cylinders to operate safely, precisely, and efficiently under different hydraulic conditions.

It’s important to consult the manufacturer’s documentation and guidelines for specific information on the hydraulic system and control mechanisms of telescopic cylinders, as well as recommended maintenance and safety practices.

What are the benefits of using telescopic cylinders for long-reach tasks?

Telescopic cylinders offer several benefits when it comes to long-reach tasks. Here’s a detailed explanation:

Extended reach:

One of the primary advantages of telescopic cylinders is their ability to provide extended reach. By utilizing a nested structure with multiple stages, telescopic cylinders can achieve significantly longer stroke lengths compared to other types of cylinders. This extended reach is beneficial for tasks that require accessing or manipulating objects or materials at a distance.

Compact retracted length:

Despite their extended reach, telescopic cylinders have a relatively compact retracted length. This is advantageous in situations where space is limited or when a shorter cylinder length is preferred. The compact retracted length enables telescopic cylinders to be installed in confined areas or integrated into equipment without excessive protrusion.

Flexible and adjustable:

Telescopic cylinders offer flexibility and adjustability, allowing for fine-tuning of the stroke length, force, and speed. This adjustability is particularly useful in long-reach tasks where precise control and positioning are required. The hydraulic control system of telescopic cylinders enables operators to optimize the cylinder’s performance according to the specific task and operating conditions.

High force capabilities:

Telescopic cylinders are designed to handle heavy loads and can generate substantial force. This makes them suitable for long-reach tasks that involve lifting, pushing, pulling, or manipulating objects at a distance. The high force capabilities of telescopic cylinders ensure that the required power is available to perform the task effectively.

Enhanced stability:

Telescopic cylinders are engineered to provide stability during long-reach tasks. The nested structure and hydraulic control system work together to ensure synchronized and controlled extension and retraction of the stages. This stability is crucial for maintaining precise positioning, minimizing oscillations or vibrations, and preventing potential hazards or accidents.

Versatility:

Telescopic cylinders find applications in various industries and tasks that involve long-reach requirements. They are commonly used in construction equipment, material handling machinery, cranes, booms, and many other applications where extended reach is necessary.

Overall, the benefits of using telescopic cylinders for long-reach tasks include extended reach, compact retracted length, flexibility, high force capabilities, enhanced stability, and versatility. These advantages make telescopic cylinders a valuable choice for tasks that require reaching or manipulating objects at a distance.

It’s important to consult the manufacturer’s guidelines and specifications to ensure the proper selection, installation, and operation of telescopic cylinders based on the specific long-reach task requirements.

editor by Dream 2024-11-08