Hydraulic cylinders are essential components in various industrial and mobile applications, providing the power necessary for lifting, pushing, and pulling heavy loads. Welded hydraulic cylinders, known for their robust construction and durability, are a popular choice for demanding environments. This guide provides a comprehensive overview of wholesale welded hydraulic cylinders, covering their features, applications, and selection criteria.
Understanding Welded Hydraulic Cylinders
Welded hydraulic cylinders are manufactured with the cylinder body welded directly to the end caps and mounting brackets. This design offers several advantages over tie-rod cylinders, including increased strength, resistance to high pressure, and a more compact form factor. These cylinders are commonly used in construction equipment, agricultural machinery, and other heavy-duty applications where reliability is paramount.
Key Features of KS-RCH Series Single-Acting Hollow Plunger Cylinders
The KS-RCH series, a type of single-acting hollow plunger cylinder with spring return, exemplifies the quality and functionality expected from welded hydraulic cylinders. These cylinders offer versatility in testing, maintenance, and tensioning applications. Here’s a closer look at their features:
- Hollow Plunger Design: Allows for both pull and push forces, enhancing versatility.
- Single-Acting Spring Return: Simplifies operation and ensures the plunger retracts automatically.
- Nickel-Plated Cylinders: On models over 20 tons, the nickel-plated, floating center tube extends product life.
- Baked Enamel Finish: Provides increased corrosion resistance, crucial for harsh environments.
- Collar Threads: Facilitate easy fixturing, improving usability.
- Coupler Compatibility: RCH-120 cylinders include an AR-630 coupler with a 1/4 NPTF port. RCH-121 and RCH-1211 cylinders feature an FZ-1630 reducer and AR-630 coupler, while other models use a CR-400 coupler.
RCH-306 Single-acting Hollow Plunger Hydraulic Cylinder paired with a manual pump.
Applications of Welded Hydraulic Cylinders
Welded hydraulic cylinders are used across a broad spectrum of industries. Some typical applications include:
- Construction Equipment: Excavators, loaders, and bulldozers rely on these cylinders for their lifting and digging capabilities.
- Agricultural Machinery: Tractors, harvesters, and other farming equipment utilize hydraulic cylinders for various functions.
- Material Handling: Forklifts and other material handling equipment depend on robust cylinders for lifting and moving heavy loads.
- Industrial Automation: Manufacturing processes often incorporate hydraulic cylinders for precise and powerful movements.
- Oil and Gas: Onshore and offshore applications require durable cylinders for operating valves and other critical equipment.
Selecting the Right Wholesale Welded Hydraulic Cylinder
Choosing the appropriate welded hydraulic cylinder for your application requires careful consideration of several factors:
- Capacity: Determine the maximum load the cylinder needs to handle. This is typically measured in tons.
- Stroke Length: The stroke length dictates the distance the cylinder can extend or retract. Select a stroke length that meets the needs of your application.
- Operating Pressure: Ensure the cylinder is rated for the maximum operating pressure of your hydraulic system.
- Cylinder Type: Single-acting cylinders extend in one direction and retract using gravity or a spring. Double-acting cylinders can extend and retract under hydraulic power.
- Mounting Style: Choose a mounting style that suits your application, such as clevis, flange, or trunnion.
- Material: Consider the environment in which the cylinder will operate. Stainless steel or other corrosion-resistant materials may be necessary for harsh conditions.
Example: RCH-306 Single-Acting Hollow Plunger Hydraulic Cylinder
Let’s consider the RCH-306 model as an example. This single-acting hollow plunger hydraulic cylinder is designed for heavy-duty applications requiring precision and power.
- Max Operating Pressure: 700Bar / 10,000Psi
- Capacity: 30 tons
- Stroke: 155mm / 6.13in
- Collapsed Height: 330mm / 13in
- Return Type: Single-Acting, Spring Return
- Plunger Type: Hollow
- Material: Alloy Steel
- Oil Capacity: 722cm³
- Weight: 21.89kg / 48Ibs
This cylinder can be paired with a hydraulic manual pump to create a complete system. The pump set may include:
- 1 * Single-acting Manual Pump (P-80)
- 1 * Hydraulic Cylinder (RCH-306, 30tons, 155mm stroke)
- 1 * Pressure Gauge with coupler (KN-63-70)
- 1 * Gauge Adapter (GA-3)
- 1 * 1.8-meter High-Pressure Hose with couplers
A hydraulic manual pump set including a single-acting manual pump, hydraulic cylinder, pressure gauge, gauge adapter, and high-pressure hose.
Product Parameters: Quick Selection Chart
The following chart provides a quick overview of different models within the KSRCH series, aiding in the selection process.
| Model | Capacity (ton) | Stroke B (mm) | Oil Capacity (cm3) | Collaps. Height A (mm) | Outside Dia. D(mm) | Effective Area (cm2) | Saddle Protr. from Plgr. K (mm) | Center Hole Dia. O(mm) | Bolt Circle Z(mm) | Weight (KG) |
|---|---|---|---|---|---|---|---|---|---|---|
| KSRCH-120 | 13 | 8 | 14 | 55 | 69 | 17.9 | – | 19.6 | 50.8 | 1.5 |
| KSRCH-121* | 42 | 75 | 120 | – | 2.8 | |||||
| KSRCH-1211 | 42 | 75 | 120 | – | 2.8 | |||||
| KSRCH-123 | 76 | 136 | 184 | 50.8 | 4.4 | |||||
| KSRCH-202* | 20 | 49 | 150 | 162 | 98 | 30.7 | 9.7 | 26.9 | 82.6 | 7.7 |
| KSRCH-206 | 155 | 476 | 306 | 14.1 | ||||||
| KSRCH-302* | 30 | 64 | 298 | 178 | 114 | 46.6 | 9.0 | 33.3 | 92.2 | 10.9 |
| KSRCH-306 | 155 | 722 | 330 | 21.8 | ||||||
| KSRCH-603* | 60 | 76 | 626 | 247 | 159 | 82.3 | 12.0 | 53.8 | 130.3 | 28.1 |
| KSRCH-606 | 153 | 1259 | 323 | 35.4 | ||||||
| KSRCH-1003* | 100 | 76 | 1011 | 254 | 212 | 133.0 | 12.0 | 79.0 | 177.8 | 63.0 |
For complete technical information, please contact the sales department.
Conclusion
Welded hydraulic cylinders are critical components for numerous industrial and mobile applications. Understanding their features, applications, and selection criteria is essential for choosing the right cylinder for your needs. The KS-RCH series exemplifies the quality and reliability expected from these cylinders, offering a versatile solution for various tasks. Remember to carefully assess your requirements and consult with experts to ensure you select the most appropriate welded hydraulic cylinder for your specific application. For any specific requirements or further assistance, contacting the manufacturer directly is recommended.
