Product Description

Internal Thread Plastic Compression Fittings Male Threaded Coupling for the Conveyance of Fluids at High Pressures
 

Product Description

CHINAMFG PP compression fittings line has been designed for the conveyance of fluids at high pressures, for water conveyance, for potable water distribution and applications in the thermo-hydraulic sector. This product line is accordance with the most severe international standards in terms of mechanical properties and alimentary compatibilities.

Part	Material
Body(A)	Heterophasic block polypropylene co-polymer(PP-B) of exceptional mechanical properties even at high temperature.
Blocking bush(D)	Polypropylene
Nut(B)	Polypropylene with dye master of high stability to UV rays andsolidity to heat( S grade according to standard DIN54004)
Clinching ring(C)	Polyacetal resin(POM)with high mechanical resistance And hardness
O Ring gasket(E)	Special elastomeric acrylonitrile rubber(EPDM) for alimentary use

Description	Code	SIZE	Weight (g/pc)	pcs/ carton
Female thread coupling	A1003	20*1/2	31	600
		20*3/4	32	560
		20*1	37	460
		25*1/2	47	375
		25*3/4	49	360
		25*1	53	330
		32*1/2	76	240
		32*3/4	77	220
		32*1	79	210
		32*11/4″	86	192
		40*1	109	192
		40*11/4	112	130
		40*11/2″	125	120
		50*1″	185	80
		50*11/4	193	80
		50*11/2″	200	80
		50*2″	206	80
		63*11/4	294	48
		63*11/2	304	48
		63*2	305	42
		75*2″	481	27
		75*21/2″	496	24
		75*3″	560	24
		90*21/2″	720	14
		90*3″	775	14
		90*4″	848	14
		110*3″	1254	8
		110*4″	1264	8

 

FEATURES

1. Light weight, easy to load and unload
2. Good chemicals and drugs resistance
3. Small resistance to fluidity
4. Strong mechanical strength
5. Good electrical insulation
6. Water quality unaffected
7. Simple installation

APPLICATION

1. Structure Engineering
2. Water supply system
3. for Agriculture Irrigation

 

Main Products

View more products,you can click products keywords…

PPR Pipe	PPR Fitting
PP Union Ball Valve	PP Compression Fitting
Clamp Saddle	Solenoid Valve
Sprinkler	PVC Ball Valves

Company Profile

OTHER DETAIL SERVICES FOR YOU
1.Any inquiries will be replied within 24 hours.
2.Professional manufacturer.
3.OEM is available.
4.High quality, standard designs,reasonable&competitive price,fast lead time.
5.Faster delivery: Sample will be prepared in 2-3 days.
6.Shipping: We have strong cooperation with DHL,TNT,UPS,MSK,China Shipping,etc.

FAQ

1.What is your MOQ?
Our MOQ is usually 5 CTNS for size from 20-50mm.

2.What is your delievery time?
The time of delievery is around 30-45days.

3.What is your payment terms?
We accept 30% T/T in advance,70% before shipment .or 100% L/C.

4.What is the shipping port?
We ship the goods to HangZhou or ZheJiang port.

5.What is the address of your company?
Our company is located in the HangZhou, HangZhou ZHangZhoug Province,China.You are welcomed to visit our factory.

6.How about the samples?
we could send you the samples for free, and you need to pay the courier fee.
If there are too much samples, then you also need to undertake the sample fee.

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Factors Influencing the Thermal Performance of a Fluid Coupling

The thermal performance of a fluid coupling, specifically its ability to dissipate heat and maintain operating temperatures within acceptable limits, is influenced by several factors:

• Power Rating: The power rating of the fluid coupling, which indicates its capacity to handle a specific amount of power, affects its thermal performance. Higher power ratings generally result in higher heat generation, so it’s essential to choose a fluid coupling with an adequate power rating for the application.
• Operating Speed: The operating speed of the fluid coupling is a critical factor. Higher speeds can lead to increased heat generation due to friction and viscous losses. It’s essential to consider the operating speed to ensure the fluid coupling can handle the heat produced at the given speed.
• Ambient Temperature: The ambient temperature of the environment in which the fluid coupling operates also plays a role in its thermal performance. Higher ambient temperatures can impact the cooling efficiency and may lead to increased operating temperatures.
• Load Variation: Applications with varying loads can experience changes in heat generation. Fluid couplings used in such systems must be capable of handling the thermal effects of load fluctuations without exceeding temperature limits.
• Cooling Method: The cooling method employed in the fluid coupling design significantly affects its thermal performance. Some fluid couplings use natural convection for cooling, while others incorporate forced cooling methods such as internal or external cooling circuits. The cooling system’s efficiency directly impacts the ability to dissipate heat effectively.
• Fluid Properties: The properties of the fluid inside the coupling, such as viscosity and heat capacity, influence thermal performance. The choice of fluid can affect the amount of heat generated and the efficiency of heat dissipation.
• Operating Time: The duration of operation also affects the thermal behavior of the fluid coupling. Continuous operation or extended duty cycles may lead to higher operating temperatures, requiring careful consideration during selection.
• Proper Maintenance: Regular maintenance, including lubricant inspection and replacement, is crucial for optimal thermal performance. Contaminated or degraded fluid can impact the heat transfer characteristics of the coupling.

It’s essential to consider these factors when selecting a fluid coupling to ensure that it can effectively manage heat generation and maintain safe operating temperatures in the specific application.

Role of Fluid Coupling in Reducing Mechanical Stress on Connected Equipment

A fluid coupling is a mechanical device used to transmit power between two shafts without direct physical contact. It plays a crucial role in reducing mechanical stress on connected equipment, offering several benefits in various industrial applications. Here’s how a fluid coupling achieves this:

• Smooth Power Transmission: Fluid couplings use hydraulic principles to transmit torque. When the input shaft (driving shaft) rotates, it imparts motion to the fluid inside the coupling. The fluid transmits torque to the output shaft (driven shaft) through the hydraulic coupling, resulting in smooth and gradual power transmission. This eliminates sudden jerks and mechanical shocks that could otherwise lead to increased stress on connected equipment.
• Damping Effect: Fluid couplings act as a damping element, absorbing vibrations and torsional oscillations from the driving shaft. This damping effect helps reduce mechanical stress on connected equipment by mitigating the impact of sudden load changes and torsional vibrations that may occur during start-ups, shut-downs, or varying operating conditions.
• Torque Limiting: In high-load situations, a fluid coupling can provide torque limiting capabilities. When the load exceeds a certain threshold, the fluid coupling slips, preventing excessive torque from reaching the driven shaft. This feature acts as a protective mechanism, preventing overloading and mechanical stress on both the coupling and connected equipment.
• Shock Absorption: In applications where shock loads or overloads are common, a fluid coupling can absorb and dampen the impact of such events. This ability to cushion shocks prevents abrupt changes in torque and rotational speed, reducing mechanical stress and potential damage to the equipment.
• Speed Control: In certain applications, fluid couplings can facilitate speed control of the driven shaft by adjusting the amount of fluid in the coupling. The ability to control the speed of connected equipment without abrupt changes contributes to smoother operation and lower mechanical stress.

By incorporating a fluid coupling into a power transmission system, mechanical stress on connected equipment can be significantly reduced, leading to improved equipment reliability, extended component life, and reduced maintenance costs. Fluid couplings are commonly used in heavy machinery, conveyors, crushers, mining equipment, marine propulsion systems, and various other industrial applications where smooth and controlled power transmission is critical.

It is important to select the appropriate fluid coupling size, type, and features based on the specific application requirements to ensure optimal performance and stress reduction. Regular maintenance and adherence to the manufacturer’s guidelines are essential to preserve the benefits of using fluid couplings and maintain their effectiveness in reducing mechanical stress on connected equipment.

Fluid Couplings and Energy Efficiency in Power Transmission

Fluid couplings play a significant role in improving energy efficiency in power transmission systems. They achieve this by enabling smooth and efficient torque transmission while reducing energy losses during various operating conditions.

One of the key factors contributing to the energy efficiency of fluid couplings is their hydrodynamic principle of operation. When power is transmitted through a fluid coupling, it operates on the principle of hydrodynamic power transmission. The primary component, known as the impeller, rotates and imparts motion to the fluid inside the coupling. This motion creates a hydrodynamic force that transmits the torque to the output side.

During the initial startup or when there is a significant speed difference between the input and output shafts, the fluid coupling allows the input shaft to accelerate gradually. This feature, known as the soft start, reduces the mechanical stress on the connected components and the power source. By avoiding sudden acceleration, fluid couplings minimize the energy spikes that occur during direct starts in systems without couplings.

Moreover, fluid couplings act as a torque limiter when the load exceeds a certain threshold. This characteristic, known as the slip, allows the fluid coupling to disengage slightly when the torque reaches a predetermined level. As a result, it protects the system from overloads and reduces energy wastage during high-stress conditions.

Additionally, fluid couplings help mitigate the impact of shock loads and torsional vibrations, which can reduce wear and tear on mechanical components. By minimizing vibrations and shock loads, fluid couplings contribute to longer equipment life and, consequently, lower maintenance and replacement costs.

However, it’s important to note that like any mechanical component, fluid couplings have some energy losses due to viscous drag and heat dissipation. While modern fluid couplings are designed with improved efficiency, these losses need to be considered when assessing the overall energy efficiency of a power transmission system.

In summary, fluid couplings enhance energy efficiency in power transmission by providing soft starts, torque limiting, and damping of vibrations, thus reducing energy wastage and extending the life of the connected equipment.

editor by CX 2024-02-04