|Product Name||Plastic Barbed Tubing Joint Female Quick Connect Fittings Quick Panel Mount Medical Fluid Control Release Coupling|
|Usage||Standard flow quick-disconnect couplings require a body and an insert in the same flow size. Plug insert into body to connect fitting and easily disconnect the fitting by simply press the thumb latch.|
|Application||medical devices, laboratory, life science, biopharmaceutical, biochemical analysis, bioengineering, circulating water cooling pipe system, water treatment and disinfection, food&beverage, packaging machinery, industrial and hundreds of other applications;|
|Seal Ring Material||Buna-N/FKM/EPDM/Silicone rubber, depend on your usage|
|Valve Spring||316 Stainless Steel|
|Temperature Range||32°F – 180°F (0°C – 82°C)|
|Pressure Range||Vacuum to 100 psi, 6.9bar|
|Valve Option||Valved(shut off) or Non-valved (straight through)|
|Shape Option||Panel Mount/In-line/Elbow/NPT Threaded;|
|Hose Barb Size||1/16″ =1.6mm (01); 1/8″= 3.2mm (02); 3/16″= 4.8mm (03);
1/4″=6.4mm (04); 5/16″=8mm (05); 3/8″=9.6mm (06);
|Threaded End||1/8″-27NPT, 1/4″-18NPT Male Thread|
1/4″ Flow rate, 1/4″(6.4mm), 5/16″(7.9mm), 3/8″(9.5mm)Hose Barb Coupling Female Body
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Q1: Are you trading company or manufacturer?
A1: We are 15 years factory. Welcome to visit our factory.
Q2:What is your sample policy?
1. Only for terminal manufacturer;
2. Please kindly provide detail information of company for sample application process. Sample is available after confirmed and approved by management;
3.The international freight cost should be paid by the applicant;
Q3:What is your terms of payment?
A3: 100% payment before delivery; T/T 50% as deposit when mass customization, the balance before shipment.
Q4: How about your delivery time?
A4: Generally, it will take about 7-15 days after payment confirmed. The specific delivery time depends on the items and the ordered quantity .
Q5:What’s the shipping way?
A5: Usually by DHL, UPS, TNT, FedEx express or as your request.
Q6: Can you produce according to the samples?
A6: Yes, we can produce by your samples or technical drawings. We accept ODM & OEM.
Fluid Coupling and Smooth Power Transmission during Starting and Stopping
A fluid coupling is designed to facilitate smooth power transmission during the starting and stopping phases of machinery and equipment. It achieves this by utilizing the principle of hydrodynamic torque transmission through a fluid medium.
Starting Phase: When power is initially supplied to the input shaft of the fluid coupling, the impeller (also known as the pump) begins to rotate, imparting energy to the fluid inside the coupling. As the fluid gains kinetic energy, it starts moving outward towards the turbine (also called the driven element) due to centrifugal force.
The kinetic energy of the moving fluid causes the turbine to start rotating, transmitting torque to the output shaft. During this starting phase, there is a slight time lag, known as the “slip,” between the impeller and the turbine. However, as the fluid coupling reaches its operational speed, the slip reduces, and the turbine matches the speed of the impeller, resulting in smooth power transmission from the input to the output shaft.
The fluid coupling’s ability to control the slip ensures a gradual and controlled acceleration of the driven equipment, minimizing stress on the drivetrain components and preventing sudden shock loads.
Stopping Phase: When power to the input shaft is reduced or cut off, the impeller slows down, and the kinetic energy in the fluid decreases. As a result, the fluid moves away from the turbine towards the center of the coupling, reducing the torque transmission between the input and output shafts.
This characteristic of the fluid coupling aids in smoothly decelerating the connected equipment, preventing sudden jolts or jerks during the stopping process. The ability to control the slip during deceleration ensures that the driven machinery comes to a gradual and controlled stop, enhancing safety and protecting the equipment from damage.
The combination of hydrodynamic torque transmission and the ability to control the slip makes fluid couplings ideal for applications where smooth power transmission during starting and stopping is essential. Industries such as mining, construction, metal processing, marine propulsion, and power generation benefit from the reliable and efficient performance of fluid couplings in various machinery and equipment.
Real-World Case Studies: Improved Performance with Fluid Couplings
Fluid couplings have been widely adopted in various industries, and numerous real-world case studies demonstrate their positive impact on performance and efficiency. Here are a few examples:
Case Study 1: Mining Conveyor System
In a large mining operation, a conveyor system used to transport heavy loads of ore experienced frequent starts and stops due to fluctuating material supply. The abrupt starting and stopping led to significant wear and tear on the conveyor components, causing frequent breakdowns and maintenance downtime.
After installing fluid couplings at critical points in the conveyor system, the soft start and stop capability of the fluid couplings significantly reduced the mechanical stress during operation. This led to a smoother material flow, reduced conveyor wear, and extended equipment life. Additionally, the fluid couplings’ overload protection feature prevented damage to the conveyor during peak loads, ensuring uninterrupted production.
Case Study 2: Marine Propulsion System
In a marine vessel equipped with traditional direct drive systems, the crew faced challenges in maneuvering the ship efficiently. The fixed propeller arrangement made it challenging to control the vessel’s speed and direction accurately, leading to increased fuel consumption and decreased maneuverability.
By retrofitting the vessel’s propulsion system with fluid couplings, the ship’s performance improved significantly. The fluid couplings allowed for flexible and smooth speed control, enabling precise maneuvering and reduced fuel consumption. The ability to adjust the load on the propeller enhanced the vessel’s overall efficiency, resulting in reduced operating costs and improved environmental sustainability.
Case Study 3: Industrial Pumping Station
In an industrial pumping station, the constant starting and stopping of the pumps caused water hammer and pressure surges within the pipeline network. The sudden hydraulic shocks led to pipe bursts, valve failures, and increased energy consumption.
After implementing fluid couplings in the pump drive systems, the pumps could be softly started and stopped. The fluid couplings’ torque control capabilities ensured a gradual increase in pump speed, eliminating water hammer and pressure surges. As a result, the pumping station’s reliability improved, maintenance costs decreased, and the energy consumption reduced due to smoother pump operations.
These case studies demonstrate the positive effects of using fluid couplings in various applications. They highlight how fluid couplings contribute to improved performance, reduced mechanical stress, enhanced control, and cost savings in industrial machinery and systems.
Improvement of Starting Performance in Large Machines with Fluid Couplings
Fluid couplings play a crucial role in enhancing the starting performance of large machines, especially those with high inertia loads. Here’s how a fluid coupling achieves this improvement:
- Smooth Startup: When a machine equipped with a fluid coupling starts, the input shaft begins to rotate, and the impeller starts to churn the fluid inside the coupling. This action creates a hydrodynamic torque transfer between the impeller and the turbine. As the fluid circulates and builds up torque, the output shaft begins to accelerate smoothly without any sudden jolts or shocks.
- Inertia Compensation: In large machines, the rotating mass and initial resistance to motion can be significant. The fluid coupling’s ability to transmit torque gradually allows it to compensate for the inertia of the driven load. This means that even with heavy loads, the fluid coupling can slowly bring the machine up to its operating speed without subjecting the mechanical components to excessive stress.
- Overload Protection: During startup, if the machine encounters an unexpected overload or jam, the fluid coupling provides a level of protection. The fluid coupling will slip, limiting the torque transmitted to the output shaft, thus preventing damage to the machine and associated components.
- Reduction of Electrical Stress: In machines powered by electric motors, the use of a fluid coupling reduces the electrical stress during startup. As the fluid coupling gradually accelerates the load, it prevents abrupt spikes in electrical current, resulting in a smoother and controlled power draw from the electrical supply.
By offering smooth startup, inertia compensation, overload protection, and reduced electrical stress, a fluid coupling significantly improves the starting performance of large machines, ensuring their longevity, reliability, and overall operational efficiency.
editor by CX 2023-10-11