Product Description
Double Acting Heavy Duty Hollow Hydraulic Cylinder
Features
* Double acting design, hydraulic return, hollow plunger.
* Baked enamel finish for increased corrosion resistance; Chroming finish, extending the longevity of hollow plunger product
* Built-in flood valve protect cylinder free from damage.
* Easier to install with outer ring of thread (part of model), convenient 1n construction connection usage.
* Hollow plunger allow 2 application of cylinder thrust and tension
* Built-in scraper seal reduces contamination, extending cylinder life.
* 3/8 “- 18NPT coupler and dust cap included on all models.
Details lmages
Product Specifications
| Item No |
Capacity
(T) |
Max. Working Pressure
(MPa) |
Closed Height A (mm) |
Sroke
(mm) |
Center Hole Diameter Y (mm) |
Weight
(kg) |
| SOV-RRH-603 | 60 | 70 | 247 | 89 | 53.8 | 28 |
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Company Profile
SOV Hydraulic Technoloy (ZheJiang ) Co., Ltd. is a professional manufacturing in hydraulic tools and products, we have been in the industry for more than 20 years. Since the establishment in 1995, we successfully transformed from OEM manufacturer to create our own brand SOV, and our factory has been approved by CE, ISO9001:2008 consecutively. Our Products have been widely used in petrochemical, cement, shipbuilding, steel plant and heavy constructions areas, etc.
We produce and supply Hydraulic tools, such as:
* Hydraulic cylinders, jacks (5-1000ton), single acting and double acting, hollow plunger;
* Hydraulic/ electric /pneumatic torque wrench (100-72000Nm);
* Hydraulic bolt tensioner (100-11486NM);
* Hydraulic pumps, manual and electric type (max up to 3000bar);
* Integrated hydraulic lifting system solutions ( 4-72 points lifting system for house translation or leveling, bridge supporting and tank welding supporting)
* Hydraulic nut and couplings. (M50-Tr1000)
FAQ
Q1: How can contact sales ?
A1: Please click the contact find our website and email address.
Q2: How can I buy CHINAMFG products in my country?
A2: Please send us an inquiry or email , we will reply to your if there is distributor in your country.
Q3: Can I have CHINAMFG products catalog and price list ?
A3: Please send us an email for price list
Q4: How long does it take to get the product If I place an order?
A4: If products stock available, after confirmation of your payment or advance payment , we will pack and deliver in 3-7 days. If you select international parcel service, it can be arrived in 3-7 days. If it is by sea shipment, it will take 15-45 days depending on different locations
Q5: How to make payment ?
A5: First send us an inquiry, and we will reply you quotation, if our price suits you, we will prepare proforma invoice with our banking details.
Q6: Manufacturing time?
A6: Please send us an inquiry for stock condition, if we don’t have stock, and it is our standard products (refer to our model), it can be produced in 10-20 days. If it is customized, not our standard products, it will take 20-45 days to produce.
WHY CHOOSE US
Our Services:
* 24 hours online service;
* One year warranty, repair and service for the whole life;
* Question report will be replied in 48 hours;
* Quality guaranteed.
Packaging:
* All products will be packed with wooden case.
Shipping:
* Small quantity: by international exress, such as DHL, TNT, FEDEX, UPS, etc. depending on the customers’ choice. Goods will arrive within 7 days in normal cicumstances;
* Large quantity: by sea transportation. Goods will arrive in 10~45 days, according to the diatance.
| Material: | Steel |
|---|---|
| Usage: | Heavy Lifting Solutions |
| Structure: | Piston Cylinder |
| Power: | Hydraulic |
| Standard: | Standard |
| Pressure Direction: | Double-acting Cylinder |
| Customization: |
Available
|
|
|---|

How do manufacturers ensure the durability and reliability of hydraulic cylinders?
Manufacturers employ various strategies and techniques to ensure the durability and reliability of hydraulic cylinders. These measures are crucial as hydraulic cylinders are often subjected to demanding operating conditions and heavy loads. To ensure their longevity and dependable performance, manufacturers focus on the following aspects:
1. High-Quality Materials:
– Manufacturers use high-quality materials in the construction of hydraulic cylinders. Components such as cylinder barrels, piston rods, seals, and bearings are made from materials that possess excellent strength, corrosion resistance, and wear resistance properties. Common materials used include high-grade steel alloys, chrome-plated rods, and specialized coatings. The selection of appropriate materials ensures that hydraulic cylinders can withstand the stresses, pressures, and environmental conditions they encounter during operation.
2. Robust Design:
– Hydraulic cylinders are designed to withstand high loads and harsh operating conditions. Manufacturers use computer-aided design (CAD) software and finite element analysis (FEA) techniques to optimize the cylinder’s structural integrity and performance. The design includes factors such as proper wall thickness, reinforcement in critical areas, and appropriate sizing of components. Robust design practices ensure that hydraulic cylinders can withstand the forces and stresses they encounter, preventing premature failure and ensuring durability.
3. Quality Manufacturing Processes:
– Manufacturers follow stringent quality control measures during the manufacturing processes of hydraulic cylinders. These processes include precision machining, welding, heat treatment, and surface finishing. Skilled technicians and advanced machinery are employed to ensure dimensional accuracy, proper fitment of components, and overall quality. By adhering to strict manufacturing processes and quality standards, manufacturers can produce hydraulic cylinders with consistent performance and reliability.
4. Sealing Technology:
– The sealing system of hydraulic cylinders is critical for their durability and reliability. Manufacturers utilize advanced sealing technologies such as lip seals, O-rings, and composite seals to prevent fluid leakage and ingress of contaminants. Properly designed and high-quality seals ensure that hydraulic cylinders can maintain their performance over extended periods. Seals are tested for their compatibility with the hydraulic fluid, pressure resistance, and resilience to environmental factors such as temperature and humidity.
5. Performance Testing:
– Manufacturers subject hydraulic cylinders to rigorous performance testing to validate their durability and reliability. These tests simulate real-world operating conditions and evaluate factors such as load capacity, pressure resistance, fatigue life, and leakage. Performance testing helps identify any design flaws or weaknesses in the hydraulic cylinder and allows manufacturers to make necessary improvements. By conducting thorough performance testing, manufacturers can ensure that hydraulic cylinders meet or exceed the required performance standards.
6. Compliance with Industry Standards:
– Manufacturers adhere to industry standards and regulations to ensure the durability and reliability of hydraulic cylinders. These standards, such as ISO 6020/6022 and NFPA T3.6.7, provide guidelines for design, manufacturing, and performance requirements. By following these standards, manufacturers ensure that hydraulic cylinders are designed and built to meet specific quality and safety criteria. Compliance with industry standards helps establish a baseline for durability and reliability and instills confidence in the performance of hydraulic cylinders.
7. Regular Maintenance and Service:
– Manufacturers provide recommendations for regular maintenance and service of hydraulic cylinders. This includes guidelines for lubrication, inspection of components, and replacement of wear parts such as seals and bearings. Following the manufacturer’s maintenance guidelines helps ensure the long-term durability and reliability of hydraulic cylinders. Regular maintenance also allows for the early detection of potential issues, preventing major failures and extending the service life of the hydraulic cylinders.
8. Customer Support and Warranty:
– Manufacturers provide customer support and warranty services to address any issues that arise with hydraulic cylinders. They offer technical assistance, troubleshooting guidance, and replacement of defective components. The warranty ensures that customers receive reliable and durable hydraulic cylinders and provides recourse in case of any manufacturing defects or premature failures. Strong customer support and warranty policies reflect the manufacturer’s commitment to the durability and reliability of their products.
In summary, manufacturers ensure the durability and reliability of hydraulic cylinders through the use of high-quality materials, robust design practices, stringent manufacturing processes, advanced sealing technology, thorough performance testing, compliance with industry standards, regular maintenance guidelines, and customer support with warranty services. By focusing on these aspects, manufacturers can produce hydraulic cylinders that can withstand demanding conditions, provide long service life, and deliver reliable performance in various applications.

What considerations are important when selecting hydraulic cylinders for mobile equipment?
To select hydraulic cylinders for mobile equipment, several important considerations need to be taken into account. Here are the key factors to consider:
- Load Capacity: Determine the maximum load or force that the hydraulic cylinder will need to support. This includes both the static load and any dynamic or shock loads that may be encountered during operation.
- Stroke Length: Consider the required stroke length, which is the distance the hydraulic cylinder can extend and retract. Ensure that the stroke length is sufficient for the specific application and range of motion needed.
- Operating Pressure: Determine the maximum operating pressure required for the hydraulic system. This will depend on the load and the specific application. Select a hydraulic cylinder with a pressure rating that exceeds the maximum operating pressure to ensure safety and durability.
- Mounting Style: Consider the available space and the mounting requirements of the mobile equipment. Hydraulic cylinders come in various mounting styles, such as flange, trunnion, clevis, and pivot, among others. Choose a mounting style that is compatible with the equipment and provides the necessary support and stability.
- Size and Weight: Take into account the physical dimensions and weight of the hydraulic cylinder. Ensure that it can fit within the available space and that the equipment can support its weight without compromising performance or safety.
- Speed and Precision: Evaluate the required speed and precision of the hydraulic cylinder’s movement. Different cylinder designs and configurations can affect the speed and accuracy of motion. Consider factors such as cylinder bore size, rod diameter, and the presence of cushioning or dampening features.
- Environmental Factors: Assess the operating environment of the mobile equipment. Consider factors such as temperature extremes, exposure to moisture, dust, and chemicals. Select hydraulic cylinders with appropriate seals and coatings that can withstand the environmental conditions and prevent corrosion or damage.
- Reliability and Maintenance: Consider the reliability and maintenance requirements of the hydraulic cylinders. Look for reputable manufacturers that provide high-quality products with a proven track record. Evaluate factors such as expected service life, availability of spare parts, and ease of maintenance.
- Cost: Finally, consider the cost of the hydraulic cylinders, including the initial purchase price, installation costs, and long-term maintenance expenses. While it is essential to find a cost-effective solution, prioritize quality and performance to ensure safe and efficient operation.

How do manufacturers ensure the quality and compatibility of hydraulic cylinders?
Manufacturers employ various measures to ensure the quality and compatibility of hydraulic cylinders, ensuring that they meet industry standards, performance requirements, and the specific needs of their customers. Here’s a detailed explanation of the methods and practices used by manufacturers to ensure the quality and compatibility of hydraulic cylinders:
1. Design and Engineering:
– Manufacturers employ skilled engineers and designers who have expertise in hydraulic systems and cylinder design. They use advanced design software and tools to create hydraulic cylinders that meet the desired specifications and performance requirements. Through careful analysis and simulation, manufacturers can ensure that the cylinders are designed to function optimally and provide the necessary force, stroke length, and reliability.
2. Material Selection:
– High-quality materials are crucial for the durability, performance, and compatibility of hydraulic cylinders. Manufacturers carefully select materials such as steel or other alloys based on their strength, corrosion resistance, and suitability for hydraulic applications. They source materials from reputable suppliers and perform quality checks to ensure that the materials meet the required standards and specifications.
3. Quality Control:
– Manufacturers implement robust quality control processes throughout the production of hydraulic cylinders. This includes rigorous inspections and tests at various stages of manufacturing, from raw material inspection to final assembly. Quality control personnel perform dimensional checks, surface finish inspections, and functional tests to verify that the cylinders meet the specified tolerances, performance criteria, and compatibility requirements.
4. Testing and Validation:
– Hydraulic cylinders undergo testing and validation procedures to ensure their performance, reliability, and compatibility. Manufacturers conduct various tests, such as pressure testing, leakage testing, load testing, and endurance testing. These tests simulate real-world operating conditions and verify that the cylinders can withstand the expected loads, pressures, and environmental factors. Additionally, manufacturers may perform compatibility testing to ensure that the cylinders can integrate seamlessly with other hydraulic system components.
5. Compliance with Standards:
– Manufacturers adhere to industry standards and regulations to ensure the quality and compatibility of hydraulic cylinders. They follow standards such as ISO 9001 for quality management systems and ISO 6020/2 or ISO 6022 for hydraulic cylinders. Compliance with these standards ensures that the manufacturing processes, quality control measures, and product performance meet internationally recognized benchmarks.
6. Certification and Accreditation:
– Manufacturers may obtain certifications and accreditations from recognized organizations to demonstrate their commitment to quality and compatibility. Certifications such as ISO certifications or third-party certifications provide assurance to customers that the hydraulic cylinders have undergone rigorous evaluations and meet specific quality and compatibility standards.
7. Customer Collaboration:
– Manufacturers actively engage with customers to understand their specific requirements and ensure compatibility. They work closely with customers to gather application-specific details, such as operating conditions, load requirements, and environmental factors. This collaborative approach allows manufacturers to customize hydraulic cylinders and provide solutions that are perfectly matched to the customer’s needs, ensuring compatibility and optimal performance.
8. Continuous Improvement:
– Manufacturers are committed to continuous improvement in their processes and products. They invest in research and development to incorporate the latest technologies, materials, and manufacturing techniques. By staying updated with industry advancements, manufacturers can enhance the quality, performance, and compatibility of their hydraulic cylinders over time.
By implementing effective design and engineering practices, selecting high-quality materials, conducting rigorous quality control, testing and validation procedures, complying with industry standards, obtaining certifications, collaborating with customers, and embracing continuous improvement, manufacturers ensure the quality and compatibility of hydraulic cylinders. These measures help to deliver reliable, high-performance cylinders that meet the diverse needs of industries and applications.

editor by CX 2023-10-19