China Best Sales 3/4″-4″ Custom Dry Disconnect Safety Couplings for Hazardous Fluids Transfer

Product Description

Product Description

Dry couplings are the smart choice for the transportation of hazardous fluids.Compared with traditional couplings, it greatly improves the connection speed: during the unloading process, the built-in valve of the coupling is closed in advance, avoiding the liquid leakage or volatilization to the surrounding environment, reducing the chance of the operator coming into contact with the toxic medium, and safeguarding the safety of the personnel. The female end of the connection with the pipeline has an integrated swivel function, which reduces the fatigue damage of the pipeline.

Advantages:
√ Easy handling through high transmission ratio
√ Self-locking when fully connected
√ Integrated swivel joint
√ Lightweight
√ Minimal maintenance
√ Field-oriented function principles
√ Approval in accordance to WHG (DIBT-Approval is incl.)
√ Approval in accordance to ATEX Zone 1

Application:
– For fast and secure fluid transfer like lye and acids, fuels and oils, seawater, tap water, waste water, gas, superheated steam, compresses air, LPG, sludge, foodstuffs, pharmaceutical products between pipes, hoses, tanks and equipment. 
– Widely used in power station construction, chemical and pharmaceutical industry, oil industry, offshore drilling, shipbuidling, loading/unloading(aircraft, tank trucks, filling stations, ships), tank cleaning, and food beverage industry.

Product Parameters

Dry Coupling Parameters:

 

 

Product name Dry Quick Break Coupling
Customized support OEM, ODM
Place of Origin ZheJiang , China
Technics Casting
Materials Stainless steel / Brass / AL, More Customized
Connection Male and Female
Size 3/4″-2″

 

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Cooperation

RUNXI’s products are exported to more than 30 countries, such as Iran, Russia, USA, The UK, DAE, Korea, Vietnam, Iraq, Singapore, Indonesia, Azerbaijan and Japan,and some African countries, etc. We have obtained high praise from clients domestic and abroad due to the excellent quality and competitive price.

At RUNXI & JIAYAO Company, emphasis is placed on human resource development as we believe in the Group’s philosophy “Organization Development through Self Development”. We have competent professionally qualified and experienced staff in each of our functions. The Company assists & encourages its employees for their professional qualifications and also invests in developing staff through in-house, out-sourced and international training.

Company Profile

JIAYAO CO., LTD.(For manufacturing) & HangZhou RUNXI INTERNATIONAL TRADE CO., LTD. (For export) are located in Yuying Street, Guangchuan Town, Jing County, HangZhou City, ZheJiang Province, China. we are a technology-based enterprise which is specialized in the area of R&D, marketing of multiply rubber products, rubber hose production line and telecommunication towers.

Our company specializes in Telecom towers, High pressure hoses, Hydraulic hoses, SAE & DIN series hoses, Drilling Rotary hose, Choke & Kill Line, Bop hoses, Suction and Discharge hose, Fabric hoses, Metal Flexible hose, Fireproof hose, Silicone hose, Hose Assembly, and Hose Production Line, etc.

Packaging & Shipping

Certifications

FAQ

Q1. What is your terms of packing?

A: Generally, we pack our goods in neutral white wearable woven bags. If you have legally registered patent, 
we can pack the goods in your branded boxes after getting your authorization letters.

Q2. What is your terms of payment?
A: T/T 30% as deposit, and 70% before delivery. We’ll show you the photos of the products and packages 
before you pay the balance.

Q3. What is your terms of delivery?
A: EXW, FOB, CFR, CIF, DDU.

Q4. How about your delivery time?
A: Generally, it will take 20 to 60 days after receiving your advance payment. The specific delivery time depends 
on the items and the quantity of your order.

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fluid coupling

Role of Fluid Couplings in Heavy-Duty Mining Equipment

Fluid couplings play a critical role in heavy-duty mining equipment, offering several advantages that enhance the performance, safety, and longevity of the machinery:

  • Soft Start: In mining applications, where large equipment like crushers, conveyors, and draglines are involved, fluid couplings provide a soft start to the motor, gradually ramping up the torque and reducing the shock and stress on the drivetrain. This ensures smoother equipment startup and prevents sudden power demand spikes.
  • Torque Limiting: Fluid couplings act as torque limiters, protecting the equipment from sudden overloads and torque surges during operations. This feature prevents damage to the motor, gearbox, and driven components, thus increasing the reliability and lifespan of the equipment.
  • Load Distribution: In mining equipment with multiple driven components or motors, fluid couplings enable efficient load distribution among the components. This ensures that each component shares the load appropriately, preventing uneven wear and improving overall system efficiency.
  • Overload Protection: The inherent slip feature of fluid couplings allows them to slip at high loads, providing overload protection to the equipment. In case of unexpected jams or blockages in conveyor belts or crushers, the fluid coupling can slip, preventing costly damage to the equipment.
  • Vibration Damping: Mining operations can generate significant vibrations that can be damaging to the equipment. Fluid couplings help dampen vibrations, reducing stress on the components and minimizing wear and tear.
  • Reduced Maintenance: By preventing sudden torque surges and overloads, fluid couplings reduce the need for frequent maintenance and repairs, saving both time and money for mining operators.

Heavy-duty mining equipment operates in harsh and challenging environments with high loads and abrasive materials. Fluid couplings used in mining applications are designed to be robust, durable, and resistant to contaminants like dust and water.

Overall, fluid couplings play a vital role in ensuring the efficient and reliable operation of heavy-duty mining equipment, contributing to increased productivity and reduced downtime in mining operations.

fluid coupling

Contribution of Fluid Coupling to the Overall Efficiency of a Mechanical System

A fluid coupling plays a crucial role in improving the overall efficiency of a mechanical system, especially in applications where smooth power transmission, soft-starting, and torque control are essential. Here’s how a fluid coupling contributes to system efficiency:

1. Smooth Power Transmission:

Fluid couplings provide a smooth and gradual transfer of power from the driving to the driven machinery. The absence of direct mechanical contact between the input and output shafts reduces shock loads and vibrations, leading to less wear and tear on the connected equipment. This smooth power transmission results in increased system efficiency and reduced downtime.

2. Soft-Start Capability:

Fluid couplings offer soft-starting functionality, which is particularly beneficial for high-inertia or heavy-load applications. During startup, the fluid coupling allows the input shaft to gradually accelerate the output shaft, preventing sudden jerks or torque spikes. Soft-starting not only protects the mechanical components but also reduces energy consumption during the starting phase, contributing to overall efficiency.

3. Torque Control:

Fluid couplings enable precise control over the torque transmitted between the driving and driven machinery. By adjusting the fill level or using variable speed couplings, the torque output can be fine-tuned to match the requirements of the application. This feature ensures optimal performance and energy efficiency, especially in systems where torque demand varies during operation.

4. Overload Protection:

In case of sudden overloads or jamming of the driven machinery, the fluid coupling acts as a torque limiter. It will slip and absorb excess torque, protecting the mechanical system from damage. This overload protection not only safeguards the equipment but also contributes to the longevity and efficiency of the entire system.

5. Heat Dissipation:

Fluid couplings can absorb and dissipate heat generated during continuous operations. This heat dissipation capability prevents the system from overheating, ensuring consistent performance and avoiding thermal damage to the machinery. By maintaining proper operating temperatures, the fluid coupling aids in improving overall efficiency.

6. Energy Savings:

With its ability to reduce shock loads and provide smooth acceleration, a fluid coupling can help save energy during starting and stopping cycles. The elimination of mechanical shocks and vibrations reduces energy losses, resulting in higher overall energy efficiency.

In summary, a fluid coupling enhances the overall efficiency of a mechanical system by providing smooth power transmission, soft-start capability, precise torque control, overload protection, heat dissipation, and energy savings. Its contributions to reduced wear and tear, energy-efficient operations, and enhanced equipment lifespan make it a valuable component in various industrial applications.

fluid coupling

Disadvantages and Limitations of Fluid Couplings

While fluid couplings offer numerous advantages, they also have some disadvantages and limitations that should be considered for specific applications:

  • Power Loss: Fluid couplings introduce a power loss due to the slip that occurs during power transmission. This power loss can reduce the overall efficiency of the system, especially in applications with high-speed variations.
  • Torque Multiplication: Unlike torque converters, fluid couplings have limited torque multiplication capabilities. They do not provide as much torque increase at low speeds, which may be necessary for certain heavy-load applications.
  • Temperature Sensitivity: Fluid couplings are sensitive to temperature changes. In extremely hot or cold conditions, the viscosity of the fluid may vary, affecting the coupling’s performance.
  • Fluid Contamination: Contaminants in the fluid can adversely affect the performance and lifespan of the fluid coupling. Regular maintenance and monitoring of the fluid quality are essential to prevent potential issues.
  • Speed Limitations: Fluid couplings may have speed limitations in certain applications. High-speed operations can lead to centrifugal forces that may affect the coupling’s behavior.
  • Complexity in Control: In some cases, controlling the output speed of the fluid coupling can be more challenging compared to other types of couplings. This complexity may require additional control mechanisms.
  • Cost: Fluid couplings can be more expensive than some mechanical couplings, such as belt and chain drives. The initial cost and ongoing maintenance expenses should be considered in the selection process.

Despite these limitations, fluid couplings remain a popular choice in many industrial applications, thanks to their smooth power transmission, overload protection, and torsional vibration damping capabilities. The decision to use a fluid coupling should be based on a thorough understanding of the specific requirements and operating conditions of the machinery or equipment.


editor by CX 2024-04-15


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