Product Description
Hydraulic Support Hydraulic Cylinder for Under Ground Mining Cylinder
1 Company introduction:
“Pursue zero defect of our products, and realize zero customers’ complains”
Founded in 1995, with registration capital of 60 million RMB, ZheJiang CHINAMFG Hydraulic Co., Ltd is specialized in hydraulic products design,R&D and manufacturing.
We mainly produce Hydraulic Cylinder including Vehicle Hydraulic Cylinder, Coal Mining Hydraulic Cylinder, Engineering Hydraulic Cylinder ,Oil field cylinder and CHINAMFG Engineering Hydraulic Cylinder.Also we can design and manufacture various special purpose hydraulic cylinders such as agriculture hydraulic cylinder,industry hydraulic cylinder, 6 DOF platform, machine tools, etc.
Our company covers an area of 180 thousand square CHINAMFG (193 thousand square feet),and has more than 500 employees.We have CHINAMFG and advanced production equipments including cold drawing line, heat treatment line, surface treatment line, testing machines and various CNC machines, totally 700 sets of machines.
Company advantage:
>Professional manufacturer& supplier of Hydraulic Cylinders for more than 22 years;
>Hydraulic Cylinders Certification ISO9001:2008, SGS, TS16949, RoHS, CNAS Certification;
>Experience in export North America, Australia, Asia, Middle East, Africa;
>Hydraulic Cylinders can be Make according to client’s requirements;
>The Hydraulic Cylinders can be used for Dump Truck, Tipper Truck, Trailer, Agricultural Machinery, Engineering Machinery, Garbage Truck, Landing Platform etc;
>We are the supplier of Sinotruk, CNHTC, CIMC, Wuzheng, Beiben Truck, Baic Group, FOTON, HOWO, JAC, ZheJiang Hyundai, Xihu (West Lake) Dis.n, ZheJiang Automobile, most of famous truck manufacturing and refitting company use our telescopic cylinder as first choice
Product parameters:
| Material | Carbon steel, Alloy steel, Stainless steel |
| Honed tube | 20-2000mm, Heat treatment, honing, rolling |
| Piston rod | 10-1500mm,tempering, plated nickel, Chrome or ceramic |
| Working Pressure | 5-300Mpa |
| Seals | Parker, Merkel, Hallite |
| Technology | Bosch Rexroth, Parker, HYVA |
| Coating | Sandblasting, primer paint, middle paint, finish paint |
| Temperature range | -30°C to +100°C |
| Work medium | Hydraulic Oil |
| Mounting style | Earrings, flange, foot mounting, screw thread. |
| Support | code | Effective resistance |
column sedimentation force | spherical radicus of column head | spherical radicus of bottom |
| 180/165mm | LJGGN18675628D2G | 1100KN | 127.5KN | 60mm | 70mm |
| 200/185mm | LJGGN20675628D2G | 45Mpa | 31.5Mpa | 70mm | 80mm |
| 220/185mm | D200Y | 1880KN | 158KN | 75mm | 100mm |
| 220/185mm | J200Y | 1880KN | 158KN | 75mm | 100mm |
| 220/185mm | D160D | 1800KN | 158KN | 90mm | 600mm |
| 230/220mm | J200D | 1800KN | 158KN | 90mm | 600mm |
| 230/220mm | D230Y | 1800KN | 110.4KN | 89.5mm | 62mm |
| 250/210mm | J230Y | 1800KN | 216.7KN | 89.5mm | 62mm |
| 250/230mm | GF058-31 | 2000KN | 168KN | 90mm | 125mm |
| 280/260mm | Y228-30 | 2200KN | 267KN | 90mm | 125mm |
| 320/290mm | 2T/LK320C | 2600KN | 452KN | 100mm | 150mm |
| 360/340mm | F097-30 | 3750KN | 346KN | 100mm | 200mm |
| 400/380mm | GY571-31 | 5400KN | 400KN | 110mm | 210mm |
| 500/470mm | ZT/SLJ500B | 8247KN | 720KN | 140mm | 280mm |
3 Our process line:
Raw material-Cold drawing-Tempering-Straightening-Heat treatment-Honing machine-Machining process-Eletroplating line-Cleaning machine-Assembling-Test-Planting-Packing
4 Quality Control:
>All specification is designed by professional engineer.
>All material is high quality-Seal kits were purchased from USA, Japan, UK and Sweden.
>All material is processed by skilled workers and advanced CNC lathe
>All cylinders are 100% tested before package to ensure every cylinder is qualified for its purpose
>Package is air cushion film for each cylinder and steel case for all cylinders to ensure goods can arrive at customer safely
>14 months warranty and long time track service is offered to solve any problems you meet after sale.
5 Our partner&Ceritificated&Trade Fair
6 After-sales service
Warranty period:
Wantong Hydraulic warrants all cylinders to be free from any defects in material or workmanship under normal use and service for a period of 14 months
Hydraulic cylinder problems occur at warranty period:
(1) New cylinder replace;
(2) price discount in the next order;
(3) the “repair fee” pay: repair fee required to within a reasonable range: the cost of CHINAMFG repair problem hydraulic cylinder < repair fee < the cost of production of a new hydraulic cylinder;
(4) for strategic customers, 1 to 1 special treatment.
7 FAQ
Q1: Are you a manufacture or a trade company?
A:Manufacture, we are the leader manufacturer of hydraulic industry in China with 22 years experience and technologyaccumulation.With strong technical team we could solve any annoyance of you.
Q2: Do you have quality control system?
A:Yes, The quality management system introduced is: ISO/TS 16949:2009-certifiedby NQA and IATF cert.
Q3: 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!
Q4: 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.
Q5: Do your products come with a warranty?
A: Yes, we have 14 months warranty. In this year, if the quality problem we will free repair for you.
Q6: 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.
Q7: What about the quality feedback of your products?
A: We have never received even once quality complaint for many years of international business.
Q8:What is the delivery time?
A:Within 20 days for samples.15-30 days for bulk production, which is depend on quality, production process and so on.
Q9 What is your main payment term?
A: T/T, L/C,D/A, D/P either is available.
Q10: What’s the MOQ?
A: The MOQ is 1 piece.
| Material: | Steel |
|---|---|
| Usage: | Tunnel Boring |
| Structure: | Piston Cylinder |
| Power: | Hydraulic |
| Standard: | Nonstandard |
| Pressure Direction: | Single-acting Cylinder |
| Customization: |
Available
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How does a single-acting hydraulic cylinder handle variations in cylinder size and capacity?
A single-acting hydraulic cylinder is designed to handle variations in cylinder size and capacity. Here’s a detailed explanation:
Single-acting hydraulic cylinders are versatile components used in various applications that require linear force and movement. They are available in different sizes and capacities to accommodate a wide range of operational requirements.
Here are some key aspects of how single-acting hydraulic cylinders handle variations in cylinder size and capacity:
1. Bore Diameter: The bore diameter of a single-acting hydraulic cylinder determines its size. Cylinders with larger bore diameters are capable of exerting greater force and accommodating larger loads. Manufacturers offer single-acting cylinders with a range of bore sizes, allowing users to select the appropriate cylinder size based on the desired force output for their specific application.
2. Stroke Length: The stroke length of a single-acting hydraulic cylinder refers to the distance the piston can travel within the cylinder. Longer stroke lengths enable the cylinder to extend or retract over a greater distance. Single-acting cylinders are available with various stroke length options to meet different operational requirements.
3. Piston Rod Diameter: The piston rod diameter of a single-acting hydraulic cylinder affects its strength and load-bearing capacity. Cylinders with thicker piston rods can withstand higher loads and provide increased stability. Manufacturers offer single-acting cylinders with different piston rod diameters to accommodate variations in load capacity.
4. Load Capacity: Single-acting hydraulic cylinders are designed to handle different load capacities. The load capacity is influenced by factors such as the cylinder’s bore diameter, piston rod diameter, and overall construction. Manufacturers provide specifications and guidelines indicating the maximum load capacity that a particular single-acting cylinder can safely handle.
5. Customization: In some cases, users may require single-acting hydraulic cylinders with specific size and capacity requirements that are not readily available as standard options. In such instances, manufacturers often offer customization services, allowing customers to order cylinders tailored to their unique specifications.
It is crucial to select a single-acting hydraulic cylinder with the appropriate size and capacity for a given application. Factors such as the required force output, load capacity, and operational conditions should be considered when choosing the cylinder size and capacity.
In summary, single-acting hydraulic cylinders handle variations in cylinder size and capacity through the availability of different bore diameters, stroke lengths, and piston rod diameters. Manufacturers offer a range of options to meet various load requirements, and customization services are available for unique applications. By selecting the right cylinder size and capacity, users can ensure optimal performance and reliability in their hydraulic systems.

Can single-acting hydraulic cylinders be used in mining equipment?
Yes, single-acting hydraulic cylinders can be used in mining equipment. Here’s a detailed explanation:
Mining operations involve heavy-duty equipment that requires robust and reliable hydraulic systems to perform various tasks. Single-acting hydraulic cylinders offer several advantages that make them suitable for use in mining equipment. Here are some key points on the application of single-acting hydraulic cylinders in mining:
1. High Force Generation: Mining equipment often needs to exert significant force to perform tasks such as rock drilling, material extraction, or lifting heavy loads. Single-acting hydraulic cylinders are capable of generating high force in a single direction, making them well-suited for these demanding applications. The cylinders can generate the necessary force to operate hydraulic jacks, crushers, conveyors, and other mining machinery effectively.
2. Durability and Reliability: Mining environments can be harsh, with factors such as dust, dirt, debris, and extreme temperatures. Single-acting hydraulic cylinders are designed to withstand these challenging conditions. They are built with durable materials such as high-strength steel and can be equipped with protective coatings or seals to resist abrasion, corrosion, and contamination. This rugged construction ensures the longevity and reliability of the cylinders in mining equipment.
3. Compact Design: Mining equipment often operates in tight spaces or confined areas, such as underground mines. Single-acting hydraulic cylinders have a compact design, which allows them to be installed in restricted spaces without sacrificing performance. The compact size also contributes to weight savings, which is beneficial for mobile mining equipment that needs to be transported or maneuvered within the mining site.
4. Precise Control: Single-acting hydraulic cylinders offer precise control over force and movement. This is essential in mining operations where accuracy and repeatability are crucial. The hydraulic system associated with the cylinder allows for fine adjustments in pressure, flow, and speed, enabling operators to control the equipment’s actions precisely. This precise control enhances productivity, safety, and efficiency in mining operations.
5. Versatility: Single-acting hydraulic cylinders are versatile and can be used in a wide range of mining equipment. They are suitable for applications such as roof support systems, hydraulic shovels, loaders, haul trucks, hydraulic hammers, and more. The cylinders can be customized and integrated into different mining machinery designs to meet specific requirements.
6. Safety Considerations: Mining operations prioritize safety due to the hazardous nature of the work environment. Single-acting hydraulic cylinders can incorporate safety features such as overload protection, emergency stop mechanisms, or fail-safe systems. These safety measures help prevent accidents, equipment damage, or system failures, ensuring the well-being of mining personnel and the integrity of the equipment.
When selecting single-acting hydraulic cylinders for mining equipment, it is important to consider factors such as load capacity, operating conditions, maintenance requirements, and compliance with industry standards and regulations. Regular inspection, maintenance, and proper lubrication are also essential to ensure optimal performance and longevity of the cylinders in mining applications.
In summary, single-acting hydraulic cylinders can be effectively used in mining equipment due to their high force generation capabilities, durability, compact design, precise control, versatility, and safety considerations. These features make them well-suited for the demanding and challenging conditions encountered in mining operations.

In which industries are single-acting hydraulic cylinders typically used?
Single-acting hydraulic cylinders find widespread use in numerous industries where their specific characteristics and advantages are beneficial. Here’s a detailed explanation:
1. Construction Industry: Single-acting hydraulic cylinders are extensively used in the construction industry. They are employed in equipment such as cranes, loaders, excavators, and concrete pumps. These cylinders assist in lifting heavy loads, extending booms and arms, and performing various construction tasks.
2. Automotive Industry: The automotive industry utilizes single-acting hydraulic cylinders in a range of applications. They are employed in car lifts, vehicle assembly lines, hydraulic presses, and hydraulic braking systems. These cylinders enable lifting vehicles, applying pressure for manufacturing processes, and actuating brake systems.
3. Manufacturing Industry: Single-acting hydraulic cylinders play a vital role in the manufacturing sector. They are utilized in machinery such as presses, stamping machines, injection molding machines, and material handling equipment. These cylinders provide the force necessary for shaping, molding, and moving materials during manufacturing processes.
4. Agriculture and Forestry: Single-acting hydraulic cylinders are commonly found in agricultural and forestry machinery. They are used in tractors, harvesters, sprayers, and loaders. These cylinders facilitate tasks such as lifting and lowering attachments, adjusting implements, and controlling hydraulic systems in agricultural and forestry operations.
5. Material Handling and Logistics: In the material handling and logistics industry, single-acting hydraulic cylinders are employed in conveyor systems, forklifts, pallet trucks, and automated storage and retrieval systems. These cylinders assist in lifting and moving heavy loads, providing the necessary force for efficient material handling and logistics operations.
6. Mining and Extraction Industry: Single-acting hydraulic cylinders are utilized in mining and extraction equipment such as hydraulic shovels, drilling machines, and underground mining machinery. These cylinders enable the operation of heavy machinery, including lifting, digging, and moving materials during mining and extraction processes.
7. Marine Industry: The marine industry extensively employs single-acting hydraulic cylinders in various marine equipment and systems. They are used in boat lifts, steering systems, anchor winches, and hydraulic-powered marine machinery. These cylinders provide the force required for marine operations and control.
8. Aerospace Industry: Single-acting hydraulic cylinders are utilized in the aerospace industry for applications such as landing gear systems, aircraft doors, and flight control mechanisms. These cylinders assist in extending and retracting landing gear, actuating aircraft doors, and controlling flight surfaces.
9. Energy and Power Generation: Single-acting hydraulic cylinders are employed in the energy and power generation sector. They are used in hydropower plants, wind turbines, and oil and gas equipment. These cylinders facilitate tasks such as regulating water flow, adjusting turbine blades, and actuating valves in power generation and energy extraction processes.
10. Waste Management and Recycling: Single-acting hydraulic cylinders are utilized in waste management and recycling equipment such as waste compactors, balers, and shredders. These cylinders assist in compressing waste materials, baling recyclable materials, and powering the movement of machinery in waste management and recycling operations.
These are just a few examples of the industries where single-acting hydraulic cylinders are typically used. Their versatility, reliability, and ability to generate force in one direction make them valuable components in numerous industrial applications.


editor by CX 2023-10-15