Product Description

Hydraulic seal ring


High quality raw materials

Can in the high temperature of 100 degrees Celsius, maintain its compression deformation and hardness unchanged and keep good resilience.

5 minutes, 180 degrees of high temperature secondary sulfide sulfide system

Mold precision, tolerance size small. Adhere to the standard 5 minutes vulcanization system, and each product is 180 degree high temperature secondary vulcanization 10 hours.

10 million spot stock specifications

Own factory, various models, sizes complete, a large number of spot inventory, year-round stock tens of millions of pieces.

Non-standard can be customized processing

Can accurately processed within 2000 mm. Arbitrary cross section, any material of sealing ring.

Section and indicating installation groove

- a one-way function u-shaped coil -
- the piston rod and piston seals -

- symmetric type, single lip -

Technical parameters

Pressure: 32 mpa, or less when the pressure is higher than 20 mpa, recommend the use of retaining ring.Temperature: - 30 ° ºC ~ + 80 ºCSpeed: reciprocating < 0.8 M/SMedium: oil, hydraulic oil, emulsion, does not apply to environmental safety hydraulic oil (bio-oil) material: high-performance imported polyurethane (TPU), shaw hardness (SHA) 93 °

Product display

DHS                                                                                                                                                                                        Temperature: - 45 ° ºC ~ + 110 ° ºCReciprocating speed: 0.8 M/S or lessMedium: oil, hydraulic oil, emulsion, does not apply to environmental safety hydraulic oil materials: hardness of 90 degrees of polyurethane

IDU type is suitable for China's machinery market for the piston rod seals, can use Chinese standard JB/ZQ4264 groove design.Application: apply pressure: 32 mpa or less,Temperature: - 40 ° ºC ~ + 80 ºCSpeed: reciprocating < 0.5 M/S

USH type can be used for the piston and piston rod seal, this seal has a smaller cross section, can be used for a wide range of operation, the use of nitrile rubber and fluorine rubber material can ensure a broader range of working temperature range, has wide use range.Scope of application:Job stress: < 21 mpa,Working temperature: standard nitrile rubber (NBR) - 30 ºC ~ 100 ºCResistant mat type fluoro rubber (FKM) - 50 ° ºC to 250 ºCReciprocating speed: < 0.5 M/SMedium: NBR general petroleum base hydraulic oil, water, ethylene glycol hydraulic oil, oil emulsion type hydraulic oil monohydrate; FKM general petroleum base hydraulic oil, high temperature, acid and alkali medium materials such as: standard material for nitrile butadiene rubber, shaw hardness of 90 degrees.

ODU type is suitable for China's machinery market use special seal, piston groove design can use Chinese standard JB/ZQ4264.Application: apply pressure: 32 mpa or lessTemperature: - 40 ° ºC ~ + 80 ºCReciprocating speed: 0.5 M/S or lessMedium: mineral oil, airNote: to prevent extrusion, recommended used in more than 140 bar pressure at the seal with retaining ring at the bottom.Material: hardness 90 imported polyurethane materials.

FJ type dustproof sealing ringScope of application: temperature: - 40 ºC ~ + 100 ºCSurface speed: < 2 m/SMedium: general petroleum base hydraulic oil, water, ethylene glycol hydraulic oil, oil monohydrate emulsion type hydraulic oil, water and air.Installation: to avoid damage of the sealing lip, when installation should take measures to avoid the sharp edge.Material: shaw hardness of 90 degrees imported polyurethane

QYD type is in accordance with Chinese standard cylinder piston seal for special purpose, by Chinese standards JB/T6656 groove design.Scope of application:Pressure: < 1.6 MPATemperature: - 20 ° ºC ~ + 80 ºCReciprocating speed: 0.5 M/S or lessMedium: compressed airMaterial: hardness 80 high-performance NBR.

Waterproof and oil resistant to ageing

With a variety of sizes can be customized

HangZhou farce, sen technology co., LTD focus on high-end seal production and research and development. Our goal is: constant innovation and improve quality, omni-directional to provide clients with the most professional sealing system solutions. Welcome your consultation!

After-sales Service: Worry Free After Sale
Warranty: Worry Free After Sale
Monthly Production: 1200000
Material: PU
Type: Un /Uhs /Dhs /Yxd
Shape: O-Ring
US$ 0.1/Piece
1 Piece(Min.Order)




hydraulic cylinder

How do hydraulic cylinders compare to other methods of force generation like electric motors?

Hydraulic cylinders and electric motors are two different methods of force generation with distinct characteristics and applications. While both hydraulic cylinders and electric motors can generate force, they differ in terms of their working principles, performance attributes, and suitability for specific applications. Here's a detailed comparison of hydraulic cylinders and electric motors:

1. Working Principle:

- Hydraulic Cylinders: Hydraulic cylinders generate force through the conversion of fluid pressure into linear motion. They consist of a cylinder barrel, piston, piston rod, and hydraulic fluid. When pressurized hydraulic fluid enters the cylinder, it pushes against the piston, causing the piston rod to extend or retract, thereby generating linear force.

- Electric Motors: Electric motors generate force through the conversion of electrical energy into rotational motion. They consist of a stator, rotor, and electromagnetic field. When an electrical current is applied to the motor's windings, it creates a magnetic field that interacts with the rotor, causing it to rotate and generate torque.

2. Force and Power:

- Hydraulic Cylinders: Hydraulic cylinders are known for their high force capabilities. They can generate substantial linear forces, making them suitable for heavy-duty applications that require lifting, pushing, or pulling large loads. Hydraulic systems can provide high force output even at low speeds, allowing for precise control over force application. However, hydraulic systems typically operate at lower speeds compared to electric motors.

- Electric Motors: Electric motors excel in providing high rotational speeds and are commonly used for applications that require rapid motion. While electric motors can generate significant torque, they tend to have lower force output compared to hydraulic cylinders. Electric motors are suitable for applications that involve continuous rotary motion, such as driving conveyor belts, rotating machinery, or powering vehicles.

3. Control and Precision:

- Hydraulic Cylinders: Hydraulic systems offer excellent control over force, speed, and positioning. By regulating the flow of hydraulic fluid, the force and speed of hydraulic cylinders can be precisely controlled. Hydraulic systems can provide gradual acceleration and deceleration, allowing for smooth and precise movements. This level of control makes hydraulic cylinders well-suited for applications that require precise positioning, such as in industrial automation or construction equipment.

- Electric Motors: Electric motors also offer precise control over speed and positioning. Through motor control techniques such as varying voltage, frequency, or pulse width modulation (PWM), the rotational speed and position of electric motors can be accurately controlled. Electric motors are commonly used in applications that require precise speed control, such as robotics, CNC machines, or servo systems.

4. Efficiency and Energy Consumption:

- Hydraulic Cylinders: Hydraulic systems can be highly efficient, especially when properly sized and designed. However, hydraulic systems typically have higher energy losses due to factors such as fluid leakage, friction, and heat generation. The overall efficiency of a hydraulic system depends on the design, component selection, and maintenance practices. Hydraulic systems require a hydraulic power unit to pressurize the hydraulic fluid, which consumes additional energy.

- Electric Motors: Electric motors can have high efficiency, especially when operated at their optimal operating conditions. Electric motors have lower energy losses compared to hydraulic systems, primarily due to the absence of fluid leakage and lower friction losses. The overall efficiency of an electric motor depends on factors such as motor design, load conditions, and control techniques. Electric motors require an electrical power source, and their energy consumption depends on the motor's power rating and the duration of operation.

5. Environmental Considerations:

- Hydraulic Cylinders: Hydraulic systems typically use hydraulic fluids that can pose environmental concerns if they leak or are not properly disposed of. The choice of hydraulic fluid can impact factors such as biodegradability, toxicity, and potential environmental hazards. Proper maintenance and leak prevention practices are essential to minimize the environmental impact of hydraulic systems.

- Electric Motors: Electric motors are generally considered more environmentally friendly since they do not require hydraulic fluids. However, the environmental impact of electric motors depends on the source of electricity used to power them. When powered by renewable energy sources, such as solar or wind, electric motors can offer a greener solution compared to hydraulic systems.

6. Application Suitability:

- Hydraulic Cylinders: Hydraulic cylinders are commonly used in applications that require high force output, precise control, and durability. They are widely employed in industries such as construction, manufacturing, mining, and aerospace. Hydraulic systems are well-suited for heavy-duty applications, such as lifting heavy objects, operating heavy machinery, or controlling large-scale movements.

- Electric Motors: Electric motors are widely used in various industries and applications that require rotational motion, speed control, and precise positioning. They are commonly found in appliances, transportation, robotics, HVAC systems, and automation. Electric motorsare suitable for applications that involve continuous rotary motion, such as driving conveyor belts, rotating machinery, or powering vehicles.In summary, hydraulic cylinders and electric motors have different working principles, force capabilities, control characteristics, efficiency levels, and application suitability. Hydraulic cylinders excel in providing high force output, precise control, and durability, making them ideal for heavy-duty applications. Electric motors, on the other hand, offer high rotational speeds, precise speed control, and are commonly used for applications that involve continuous rotary motion. The choice between hydraulic cylinders and electric motors depends on the specific requirements of the application, including the type of motion, force output, control precision, and environmental considerations.

hydraulic cylinder

Contribution of Hydraulic Cylinders to the Precision of Robotic and Automation Systems

Hydraulic cylinders play a significant role in enhancing the precision of robotic and automation systems. These systems rely on precise and controlled movements to perform various tasks with accuracy and repeatability. Let's explore how hydraulic cylinders contribute to the precision of robotic and automation systems:

  1. Precise Positioning: Hydraulic cylinders enable precise positioning of robotic arms or automation components. They provide accurate control over the linear motion required for tasks such as picking, placing, and assembly. By precisely controlling the extension and retraction of the hydraulic cylinder, the system can achieve the desired position with high accuracy, ensuring precise alignment and consistent results.
  2. Controlled Motion: Hydraulic cylinders offer controlled and smooth motion, which is crucial for precise operation in robotic and automation systems. The flow of hydraulic fluid can be precisely regulated to control the speed and acceleration of the cylinder's movement. This precise control allows for gentle and controlled movements, minimizing vibrations, overshooting, or jerky motions that could affect the accuracy of the system.
  3. Force Control: Hydraulic cylinders provide force control capabilities that contribute to precision in robotic and automation systems. By adjusting the hydraulic pressure, the force exerted by the cylinder can be precisely controlled. This is particularly valuable in applications that require delicate force-sensitive tasks, such as gripping fragile objects or performing precise force feedback during assembly or testing processes.
  4. Load Handling: Hydraulic cylinders are capable of handling heavy loads, allowing robotic and automation systems to manipulate and transport objects with precision. The high force capabilities of hydraulic cylinders ensure secure and stable handling of loads, minimizing the risk of slippage or imprecise positioning. This is crucial in applications where precise control over heavy objects is required, such as material handling or industrial assembly processes.
  5. Durability and Reliability: Hydraulic cylinders are known for their durability and reliability in demanding industrial environments. The ability to withstand repeated use, high loads, and harsh conditions ensures consistent performance over time. This reliability contributes to the precision of robotic and automation systems, as any deviation or failure in the cylinder's movement could lead to inaccuracies or disruptions in the system's operation.

In summary, hydraulic cylinders make significant contributions to the precision of robotic and automation systems by enabling precise positioning, controlled motion, force control, load handling, and offering durability and reliability. These capabilities ensure accurate and repeatable movements, minimize errors, and enhance the overall precision of the system. By incorporating hydraulic cylinders into robotic and automation systems, manufacturers can achieve higher levels of precision, efficiency, and productivity in various industrial applications.

hydraulic cylinder

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.
China OEM Dhs Type Hydraulic Cylinder Dust Ring Polyurethane Wear-Resistant High Pressure C-Shaped Bidirectional Sealing Ring Oil Seal Total Size   with Great quality China OEM Dhs Type Hydraulic Cylinder Dust Ring Polyurethane Wear-Resistant High Pressure C-Shaped Bidirectional Sealing Ring Oil Seal Total Size   with Great quality
editor by CX 2023-10-31