China Standard Large Bore PU Layflat Hose Coupling Ldhc V with Teeth

Product Description

FM/UL Approved Fire Fighting Parts Two Grooved End Coupling
Product Description

Feature: ductile iron grooved coupling

1) Material:ductile iron ASTM 

2) Reducing installation costs
This kind of coupling is designed for the pipe bearing moderate pressure. It allows controlled angle, linear and rotational movement at each joint and provides the added advantages of expansion, contraction and deflection. This is usful to accommodate uneven laying surfaces, and movement from thermal changes, setting, seismic effect or other causes.

 

Serial number	D	D1	L	d	Space
1	φ275	φ219	185	φ203	8″
2	φ315	φ270	176	φ253	10″
3	φ380	φ320	178	φ304	12″
4	φ501	φ441	186	φ407	14″

 

Q 1::What are the advantages of our factory?

 

A1::Our factory is specialized in manufacturing hose coupling for 30 years,and our promise is to provide our world-class quality,  on-time delivery and excellent after-sales services

 

Q2::How about our products?

 

A2::Our products are famous for the good quality and good watering effect,and also you can get the free samples to do a test of the quality and watering effect.

 

Q3::How about hose specifications?

 

A3::We can produce lay flat hose according to your request on Inner Diameter, working pressure,color and length per roll.

Before send you right quotation, please kindly confirm with us.

 

Q4::How about get the samples?

 

A4::You can get the samples for freejust pay for the sample freight.We will set it by DHL,FEDEX,UPS,TNT,EMS.

 

Q5::What is the minimum order quantity?(MOQ)

 

A5::Usually our MOQ is 3000 pieces, but for first cooperation we also accept little order, so any order is welcomed.

 

Q6::How about delivery ?

 

A6::We can send to you by sea/air/express according to you, usually deliver within 7-10 working days after receive deposit.

 

 

 

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Comparison of Tooth Couplings with Gear and Jaw Couplings

Tooth couplings, gear couplings, and jaw couplings are all types of couplings used in mechanical systems. Here’s a comparison of tooth couplings with gear and jaw couplings:

Tooth Couplings:

• They have interlocking teeth that provide high torque transmission capacity.
• Offer excellent misalignment compensation due to the tooth design.
• Can handle angular, radial, and axial misalignment.
• Transmit torque with low backlash and high torsional stiffness.

Gear Couplings:

• Use gears to transmit torque, providing high torque capacity.
• Handle angular misalignment but are less effective with radial and axial misalignment.
• Have backlash due to the gear design, which can affect precision applications.
• Require periodic lubrication and maintenance.

Jaw Couplings:

• Use elastomeric elements (jaws) for torque transmission.
• Provide good torsional stiffness and misalignment compensation.
• Handle moderate angular and axial misalignment but limited radial misalignment.
• Are simple in design and easy to install.

Ultimately, the choice between these couplings depends on the specific requirements of the application. Tooth couplings are preferred for high torque, precision, and demanding applications that require precise torque transmission and efficient misalignment compensation. Gear couplings excel in high torque situations but may have more backlash. Jaw couplings are suitable for simpler applications with moderate misalignment and torque requirements.

Specialized Maintenance Practices for Longevity of Tooth Couplings

To ensure the longevity of tooth couplings, specialized maintenance practices should be followed:

• Lubrication: Proper lubrication is crucial to reduce friction and wear between the teeth. Use lubricants recommended by the coupling manufacturer and ensure regular lubrication.
• Lubricant Quality: Use high-quality lubricants with suitable viscosity and additives for optimal performance and protection against corrosion.
• Lubrication Frequency: Follow the manufacturer’s recommendations for lubrication intervals. Factors such as operating conditions and environment can influence the frequency.
• Alignment: Maintain proper alignment of connected shafts to prevent excessive load and wear on the teeth. Misalignment can lead to premature failure.
• Inspection: Regularly inspect tooth couplings for signs of wear, damage, or misalignment. Early detection allows for timely repairs or replacements.
• Torque Monitoring: Monitor transmitted torque to ensure it remains within the coupling’s rated capacity. Excessive torque can lead to overloading and damage.
• Temperature: Monitor coupling temperature during operation. Elevated temperatures could indicate problems like inadequate lubrication or misalignment.
• Vibration Analysis: Use vibration analysis tools to detect abnormal vibrations that may indicate coupling issues or misalignment.
• Professional Inspection: Periodically have a professional inspect and assess the condition of the tooth coupling. They can identify potential issues that might go unnoticed.
• Replace Worn Parts: If wear or damage is detected, replace worn components promptly to prevent further deterioration.
• Manufacturer Guidelines: Adhere to the manufacturer’s maintenance recommendations and guidelines for the specific tooth coupling model.

Following these specialized maintenance practices can help ensure the reliable operation and extended lifespan of tooth couplings in machinery systems.

Role of Tooth Couplings in Mechanical Systems

A tooth coupling is a type of mechanical coupling that connects two shafts to transmit torque while allowing for angular misalignment and axial movement between them. It consists of two hubs with external teeth that mesh together, engaging the teeth to transfer torque from one shaft to another. Tooth couplings are commonly used in various mechanical systems to provide a reliable and efficient means of transmitting power and motion.

editor by CX 2024-03-09