China Good quality FM Approved Different Types Stainless Steel Flexible Disc Coupling

Product Description

high pressure flexible coupling Flexible Disc Couplings
MODEL 77C STAINLESS STEEL HIGH PRESSURE FLEXIBLE COUPLING(SS-1200)
 
Sizes-Inches/DN
 
3/4 to 12inch(DN20 to DN300)
 
Rated  working pressure:
 
1200 psi (83 bar) Sch. 40S, cut groove only
 
 
MODEL 77C MATERIAL SPECIFICATIONS
 
 
Housings:
 
Super duplex 2507 (CE3MN) to ASTM A890 Grade 5A
 
CE8MN to ASTM A890 Grade 2A
 
Duplex 2205(CD3MN)to ASTM A890 Grade 4A
 
Austenic 254SMO (CK3MCuN)to A743
 
Austenic 904L(CN2MCuN)to A351
 
Type 316 to ASTM A743 CF8M
 
Type 316L to ASTM A743 CF3M

Technical parameter:

Product coupling
Material stainless steel 316,304; brass; aluminium; PP
Place of origin china
Type  A / B / C / D / E / F / DC / DP / AA / DD / AD
Thread NPT/BSP/BSPT/DIN2828.
Assembly   parts stainless steel,  brass,  aluminium handles,  
pins rings and safety pins
Connection male / female
Size 1/2″-6″;DN15-DN150
Gasket buna(NBR),viton  and   teflon,  silica
Test  pressure 3/4″-2″   250PSI(17.6bar);3″-4″  200PSI(14.8bar);
21/2″  225PSI(15.8bar);6″150PSI(10.5bar)
Workmanship precision casting or forged
Application petroleums,textiles,minings,brewings,  
inks,  dyes,  paper  mills,   processing  plants

Packing:

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disc coupling

Indicators of Wear or Damage in Disc Couplings

Disc couplings can exhibit signs of wear or damage over time due to factors like misalignment, overloading, or general usage. Detecting these issues early is crucial for preventing further damage. Some common indicators of wear or damage in disc couplings include:

  • Vibration: Excessive vibration during operation can signal misalignment, component wear, or imbalance in the disc coupling.
  • Noise: Unusual noises like clicking, clanking, or rattling can indicate wear, misalignment, or damage in the coupling components.
  • Heat Generation: Excessive heat near the coupling area can suggest friction or misalignment issues.
  • Reduced Performance: Decreased efficiency, torque transmission, or system performance may point to coupling wear or damage.
  • Visual Inspection: Look for signs of visible wear, corrosion, cracks, or deformation on the coupling components.

To detect these signs of wear or damage, regular visual inspections, vibration analysis, and performance monitoring are essential. Early detection allows for timely maintenance or replacement of the affected components, ensuring the continued reliability and safety of the disc coupling and the machinery it serves.

disc coupling

Unique Construction of Disc Couplings for Vibration Dampening and Resonance Control

The distinctive construction of disc couplings plays a vital role in their ability to dampen vibrations and control resonance:

  • Flexible Disc Packs: Disc couplings consist of multiple thin metal discs stacked alternately. These discs are connected to the hub and spacer, creating a flexible structure that can absorb and dissipate vibrations.
  • Radial Compliance: The flexible discs allow for radial compliance, enabling the coupling to absorb misalignments and shocks, which helps prevent the transmission of vibrations.
  • Torsional Flexibility: The flexible nature of the disc packs provides torsional flexibility, allowing the coupling to absorb torsional vibrations and shocks that may arise from the machinery.
  • Resonance Damping: The design of disc couplings helps dampen resonant frequencies. The unique construction disperses energy across the flexible elements, reducing the risk of resonant vibration buildup.
  • Material Selection: The choice of materials for the discs plays a role in controlling resonance. The right combination of material properties can help mitigate the effects of resonance.

By efficiently absorbing and dissipating vibrations and controlling resonance, disc couplings contribute to smoother operation, reduced wear and tear on machinery components, and enhanced overall system performance.

disc coupling

Disc Couplings: Function and Application in Mechanical Systems

A disc coupling is a type of flexible coupling used in mechanical systems to connect two shafts while allowing for angular misalignment, axial movement, and some degree of torsional flexibility. It consists of two hubs with flexible metallic discs, known as diaphragms, positioned between them.

Disc couplings are commonly utilized in various industrial applications where precise power transmission, reliability, and flexibility are essential. Some key features and applications of disc couplings include:

  • High Torque Transmission: Disc couplings are designed to transmit high torque loads between shafts while maintaining shaft alignment. The flexible diaphragms can accommodate misalignments and prevent torque overloads on connected equipment.
  • Angular Misalignment Compensation: The design of disc couplings allows them to handle angular misalignment between shafts, which can occur due to manufacturing tolerances or dynamic conditions.
  • Axial Movement Absorption: Disc couplings can absorb limited axial movement along the shaft axis without transferring excessive forces to the connected components.
  • Torsional Flexibility: The metallic diaphragms of disc couplings offer torsional flexibility, enabling them to dampen vibrations and shock loads. This helps protect connected equipment from damage and increases overall system reliability.
  • Precision Machinery: Disc couplings are often employed in precision machinery and equipment, such as CNC machines, robotics, pumps, compressors, and servo systems. These applications require accurate motion control and reliable power transmission.
  • High-Speed Applications: Due to their balanced design and ability to maintain precise alignment, disc couplings are suitable for high-speed applications where even a small misalignment can lead to vibration and wear.

The ability of disc couplings to provide both flexibility and precise torque transmission makes them a preferred choice in various industries, including manufacturing, aerospace, automotive, and more. Proper selection, installation, and maintenance of disc couplings contribute to improved machinery performance, reduced downtime, and extended component life.

China Good quality FM Approved Different Types Stainless Steel Flexible Disc Coupling  China Good quality FM Approved Different Types Stainless Steel Flexible Disc Coupling
editor by CX 2024-02-09

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