Ligong Company have 3 quick coupler for you choose
1)Hydraulic quick hitch coupler
2)Mechanical quick hitch coupler
3)Tilt quick hitch coupler
1. 7Days *24Hours phone and email service
2. Your inquiry will be replied in 24 hours
3. Well-trained and qualified staff to answer all your questions
4. OEM Service available
Excavator Quick Coupler Features
1. Fit to 1ton -65 ton excavator machine, Q345B material with advanced mechanical design; Long service life.
2. Driven by hydraulic system, operator can easily switch attachments by turning on the switch in cab.
3.Equipped with check valve on cylinder, attachment will not drop off even when some failures happen like hoses burst.
4. Mechanical safety pin increases its safety.
Hydraulic Quick Coupler
Suit for 1.5 ton -65 ton Excavator/Digger
Mechanical Quick Coupler
Suit for 1 ton -17 ton
Swing 60 degrees left and right
Suit for 1 ton-24 ton Excavator/Digger
here is Excavator quick coupler spare parts:
|Pin to Pin center distance
|Retractable distance of oil cylinder
|Top to bottom pin distance
How to choose excavator quick coupler ?
1)Please let us know your excavator model or machine weight.
2)Please check centre,pin diameter and dipper width size for us.
3)Please tell us ,which type do you need?Hydraulic,Mechanical or Tilt quick coupler?
4)Please tell us what color do you want ?
Packaging & Shipping
Q: Are you a manufacturer?
A: Yes,We have our own independent factory, you can get the most favorable factory price directly
Q: Can you provide customers’ design?
A: Sure, we can provide OEM and ODM service.
Q: What’s the payment terms?
A: Payment via T/T,Western Union,Credit Card,other terms can be negotiated. Support 30% advance payment, balance payment before delivery
Q: How about the package?
A: Our goods wrapped by stretch film, packed by Pallets or wooden cases.
Q: How long is the warranty?
A: 18 months warranty . 24 hour prompt after-sales service to meet your demands.
Q: How about delivery time?
A: 3-7 working days from the date of receiving full payment.The exact time of transportation depends on the quantity you ordered.
Please share me your excavator model No. or weights, I will give you the most accurate quote
Are there specialized hydraulic couplings for high-pressure or high-flow applications?
Yes, there are specialized hydraulic couplings designed to meet the demands of high-pressure and high-flow applications. These specialized couplings are engineered to handle the increased loads, pressures, and flow rates typically encountered in industrial settings where heavy-duty equipment and machinery are used. Here are some types of hydraulic couplings commonly used in such applications:
- High-Pressure Hydraulic Couplings: High-pressure hydraulic couplings are constructed with robust materials and advanced sealing technologies to withstand extreme pressure levels. They are commonly used in hydraulic systems that operate at pressures exceeding standard hydraulic system limits. These couplings ensure reliable power transmission and prevent leakage or failure under high-pressure conditions.
- Quick-Disconnect Couplings: Quick-disconnect couplings, also known as quick-release or quick-connect couplings, are designed for rapid and efficient connection and disconnection of hydraulic lines. They are prevalent in high-flow applications where frequent connections and disconnections are necessary, such as in construction equipment, agricultural machinery, and manufacturing processes.
- Multi-Couplings: Multi-couplings allow the simultaneous connection of multiple hydraulic lines with a single motion. These couplings are suitable for applications with complex hydraulic circuits, such as material handling systems and mobile hydraulics. They simplify the connection process and minimize downtime during equipment setup or maintenance.
- High-Flow Hydraulic Couplings: High-flow hydraulic couplings are designed to accommodate large volumetric flow rates in hydraulic systems. They feature larger passageways and flow channels to reduce pressure drop and ensure efficient fluid transfer in applications like heavy machinery, material handling, and large-scale industrial processes.
- Flush Face Couplings: Flush face couplings provide a leak-free connection when connected or disconnected. They are suitable for high-pressure applications where minimizing fluid loss during connection and disconnection is critical for safety and environmental reasons.
- Flat Face Couplings: Flat face couplings are ideal for high-pressure applications where cleanliness and contamination control are essential. Their flat mating surfaces prevent trapping debris during connection, making them suitable for construction equipment, mining machinery, and other rugged applications.
- High-Temperature Hydraulic Couplings: High-temperature hydraulic couplings are designed to operate in extreme temperature environments, such as those encountered in hot industrial processes or near machinery generating significant heat. They use specialized seals and materials that can withstand elevated temperatures without compromising performance.
Specialized hydraulic couplings are engineered to handle the unique challenges posed by high-pressure or high-flow applications, ensuring safe, efficient, and reliable operation in demanding industrial environments. When selecting a hydraulic coupling for such applications, it’s crucial to consider factors like the specific pressure and flow requirements, environmental conditions, compatibility with the hydraulic fluid, and the overall system design to achieve optimal performance and safety.
What are some real-world examples of successful hydraulic coupling installations and their benefits?
Hydraulic couplings have been successfully implemented in various real-world applications, offering significant benefits in terms of performance, efficiency, and reliability. Here are some examples of successful hydraulic coupling installations and the advantages they provided:
- Construction Equipment: In the construction industry, hydraulic couplings are extensively used in excavators, loaders, bulldozers, and cranes. The flexibility and high torque transmission capability of hydraulic couplings ensure smooth and precise movements of heavy machinery, improving productivity and reducing wear on mechanical components. Additionally, the leak-free connections in hydraulic systems prevent fluid loss and environmental contamination.
- Industrial Manufacturing: In manufacturing plants, hydraulic couplings are commonly found in various equipment like hydraulic presses, injection molding machines, and metal forming machinery. The instant response and controllability of hydraulic systems, enabled by high-quality couplings, allow precise positioning and repeatable operations, ensuring consistent product quality and reducing material waste.
- Agricultural Machinery: Hydraulic couplings play a vital role in agricultural machinery, such as tractors, harvesters, and irrigation systems. The ability to handle varying loads and pressures in hydraulic couplings ensures efficient operation in different farming tasks. Moreover, the robustness and resistance to environmental factors contribute to the longevity and reliability of the agricultural equipment.
- Mobile Equipment: Mobile hydraulic applications, including waste collection trucks, fire trucks, and utility service vehicles, benefit from hydraulic couplings’ compact design and versatility. Hydraulic systems with the right couplings offer precise control, even in confined spaces, making them suitable for diverse mobile operations.
- Material Handling: Hydraulic couplings are integral to material handling equipment like forklifts, conveyor systems, and pallet stackers. The smooth acceleration and deceleration provided by hydraulic couplings improve safety and handling efficiency, allowing operators to maneuver heavy loads with ease.
- Offshore and Marine: In offshore and marine applications, hydraulic couplings are used in cranes, winches, and other systems. The hermetically sealed magnetic couplings, for instance, prevent fluid leakage in critical marine environments, reducing maintenance costs and minimizing the risk of contamination in sensitive marine ecosystems.
The benefits of these successful hydraulic coupling installations include:
- Improved Performance: Hydraulic couplings enable precise control and efficient power transmission, resulting in improved equipment performance and productivity.
- Energy Efficiency: Hydraulic couplings with reduced pressure losses and optimized fluid flow contribute to energy savings, making hydraulic systems more environmentally friendly and cost-effective.
- Enhanced Safety: The reliability and leak-free operation of hydraulic couplings increase operational safety, reducing the risk of accidents and equipment failures.
- Extended Equipment Lifespan: Properly selected and maintained hydraulic couplings contribute to the longevity of hydraulic systems, reducing downtime and maintenance costs.
- Environmental Protection: Hydraulic couplings, especially those with non-leak designs, help prevent fluid spills and reduce the impact of hydraulic systems on the environment.
These real-world examples illustrate the versatility and advantages of hydraulic couplings across different industries. The proper selection and installation of hydraulic couplings can significantly enhance the performance, efficiency, and reliability of various hydraulic systems, delivering long-term benefits for businesses and end-users alike.
Are there specific pressure and temperature limits for different hydraulic coupling designs?
Yes, different hydraulic coupling designs have specific pressure and temperature limits, and these limits can vary based on the coupling type and construction materials. Here are some general considerations regarding pressure and temperature limits for common hydraulic coupling designs:
- Jaw Couplings: Jaw couplings typically have a pressure rating ranging from 1000 psi to 5000 psi (6.9 MPa to 34.5 MPa) and can handle temperatures from -20°C to 120°C (-4°F to 248°F). These couplings are suitable for various industrial applications with moderate pressure and temperature requirements.
- Disc Couplings: Disc couplings offer higher pressure and temperature capabilities compared to jaw couplings. Their pressure rating can range from 2000 psi to 6000 psi (13.8 MPa to 41.4 MPa), and they can handle temperatures between -50°C to 150°C (-58°F to 302°F). These couplings are commonly used in high-performance and precision equipment.
- Fluid Couplings: Fluid couplings are suitable for applications requiring smooth start-ups and shock absorption. Their pressure limits can range from 150 psi to 3000 psi (1.03 MPa to 20.7 MPa), and they can handle temperatures from -40°C to 150°C (-40°F to 302°F). These couplings are often used in heavy machinery, such as conveyors and crushers.
- Gear Couplings: Gear couplings have a higher pressure rating, typically ranging from 2500 psi to 8000 psi (17.2 MPa to 55.2 MPa), and can handle temperatures from -20°C to 150°C (-4°F to 302°F). These couplings are commonly used in heavy-duty industrial applications with high torque requirements.
- Oldham Couplings: Oldham couplings have pressure limits ranging from 500 psi to 3000 psi (3.4 MPa to 20.7 MPa) and can handle temperatures between -30°C to 100°C (-22°F to 212°F). They are suitable for applications where shafts are not in perfect alignment.
- Diaphragm Couplings: Diaphragm couplings offer high pressure and temperature capabilities. Their pressure rating can range from 3000 psi to 10000 psi (20.7 MPa to 68.9 MPa), and they can handle temperatures from -50°C to 200°C (-58°F to 392°F). These couplings are commonly used in high-speed and high-temperature applications like pumps and compressors.
- Beam Couplings: Beam couplings typically have a pressure rating ranging from 1000 psi to 4000 psi (6.9 MPa to 27.6 MPa) and can handle temperatures between -40°C to 150°C (-40°F to 302°F). They are commonly used in precision equipment and motion control applications.
It’s essential to consult the manufacturer’s specifications and guidelines for each specific hydraulic coupling design to ensure it is suitable for the intended application’s pressure and temperature requirements. Using a coupling within its specified limits ensures safe and reliable operation and maximizes the performance and lifespan of the hydraulic system.
editor by CX 2023-10-09