Kwality Products
Kwality Products
Hadapsar, Pune, Maharashtra
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Metal Bellow Coupling

Manufacturer of a wide range of products which include metal bellow coupling, bellow flexible coupling and industrial expansion bellow.

Metal Bellow Coupling

Metal Bellow Coupling
  • Metal Bellow Coupling
  • Metal Bellow Coupling
  • Metal Bellow Coupling
  • Metal Bellow Coupling
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Approx. Price: Rs 4,250 / PieceGet Latest Price
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Product Details:

Minimum Order Quantity1 Piece
Usage/ApplicationPneumatic Connections
BrandPlaint Bellows
Surface FinishingPolished
Head ShapeRound
Body MaterialStainless Steel
Nominal torque16 - 400 Nm
Surface TreatmentOxidation
Temperatures0 - 350 Degree Centigrade

The Metal Bellow Coupling is designed to be used in various torque transmission application. The metal bellow perfectly compensates axial, radial and angular misalignments. The designed geometric shape of steel bellow allows high torsional stiffness and a low mass moment of inertia. The Bellow Coupling is manufactured in 5 sizes for maximum torques up to 400 Nm.

The coupling steel bellows and clamping rings are same for all the designs within a construction size. They are adapted via reducing bushings to the required shaft diameter

For torque transmission in propulsion and positioning units: Reliable, flexible and permanently backlash-free shaft coupling

So In Short One Should Use These Bellows In Following Circumstances:
  • Excellent misalignment capability (compensation of shaft misalignments)
  • Minimum mass moment of inertia
  • High torsional rigidity
  • High availability due to flexible modular construction
  • Simple and fast attachment via one screw

The torque on the clamping connection, which is transmitted via frictional locking, is dependent on the hub bore (shaft diameter). For permitted values and detailed information on size selection, please see the Product Catalogue. Metal bellows couplings guarantee a zero backlash torque transmission with extremely high torsional stiffness and a low moment of inertia. Different types of bellows, conical bushings and clamping hubs are available for different applications.

Characteristics Of Metal Bellows Couplings:
  • Torque range up to 400 Nm
  • High torsional stiffness
  • High speed
  • Optional: stainless steel

Installing Couplings:
  • Ensure that both the shafts are free of burrs, damage, or foreign matter, and can penetrate the bores.
  • Install the coupling by holding the shaft and the related hub, rotating it back and forth as you progress it along the shaft.
  • Do not apply any forces that cause extension, compression or lateral displacement of the coupling beyond its permissible offsets.

Applications:
  • Power Generation
  • Sugar Mill
  • Infrastructure
  • HVAC
  • Cryogenic
  • Steel Industries
  • Measurement & Control Systems
  • Pulp & Paper
  • Oil & Gas
  • Engine Exhaust
  • Solar Technology
  • Chemical Industries
  • Instrument & Valve Industries
  • Water/ Waste Water
  • Nuclear Plant
  • Automobile Industries

Testing Capabilities:
  • Hydrostatic Pressure and Leak Test
  • Pneumatic Bubble Soap Leak Test
  • Vacuum Test
  • Dye Penetrant Test
  • Visual Test
  • Fatigue Test
  • Squirm Test
  • Spring Rate Test
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    Bellow Flexible Coupling

    Bellow Flexible Coupling
    • Bellow Flexible Coupling
    • Bellow Flexible Coupling
    • Bellow Flexible Coupling
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    Approx. Price: Rs 4,500 / PieceGet Latest Price
    Product Brochure

    Product Details:

    Minimum Order Quantity1 Piece
    Size3/4 inch
    ColorSIlver
    MaterialStainless Steel
    TypeBellow Type Coupling
    BrandPliant Bellows
    Flexible Or RigidFlexible
    Packaging TypeBubble Warp,Corrugated Sheet and Wooden Box for export
    ShapeCircular
    Surface FinishingMirror and 2B Finish
    Nominal Torque16 - 700 Nm
    Temperatures350 Deg. C

    For torque transmission in propulsion and positioning units:

    • Reliable, flexible and permanently backlash-free shaft coupling

    So in short one should use these bellows in following circumstances:
    • Excellent misalignment capability (compensation of shaft misalignments)
    • Minimum mass moment of inertia
    • High torsional rigidity
    • High availability due to flexible modular construction
    • Simple and fast attachment via one screw

    The torque on the clamping connection, which is transmitted via frictional locking, is dependent on the hub bore (shaft diameter). For permitted values and detailed information on size selection, please see the Product Catalogue. Metal bellows couplings guarantee a zero backlash torque transmission with extremely high torsional stiffness and a low moment of inertia. Different types of bellows, conical bushings and clamping hubs are available for different applications.

    Characteristics of Metal bellows couplings:
    • High torsional stiffness
    • High speed
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      Industrial Expansion Bellow

      Industrial Expansion Bellow
      • Industrial Expansion Bellow
      • Industrial Expansion Bellow
      • Industrial Expansion Bellow
      • Industrial Expansion Bellow
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      Approx. Price: Rs 10,000 / PieceGet Latest Price
      Product Brochure

      Product Details:

      MaterialStainless Steel
      Usage/ApplicationIndustrial
      ColorSteel
      Corrosion ResistanceYes
      BrandPrasad Rajmani
      Country of OriginMade in India

      Metal expansion joints (MEJ) also called compensators or metal / metallic bellow. An expansion joint/bellow element employed in a piping system is an assembly of generally more than one convolute in series with the shape of the convolution designed to withstand the internal pressures, Thermal expansion, mechanical vibrations of pumps, draft fans, compressors, turbines, motors, vessels and other plant components, but flexible enough to accept axial, lateral, and angular deflections. They consist of one or more metal bellows. Metal expansion joints have to be designed according to rules laid out by EJMA (expansion joint manufacturing association).For Fabric & Rubber expansion joints there are guidelines and a state-of-the-art description by FSA (fluid sealing association). Expansion joints are differentiated according to the three basic types of movement: axial, angular and lateral expansion joints. The central component of each expansion joint is the metal bellows .Due to its shape and thin wall, acts like a spring. The bellows however has to meet the following basic criteria to qualify for its use as an expansion element.

      It must:
      • Withstand the operating and test conditions (pressure, temperature).
      • Ensure corrosion resistance.
      • Provide sufficient flexibility for the purpose.
      • Include sufficient squirm stability.

      Movements & Spring Rates: There are four basic movements that can be applied to a bellows. These are Axial, Lateral, Angular and Tensional. Respective spring rates are - Axial spring rate, Lateral spring rate, Angular spring rate. The spring rate of a bellows is entirely dependent on bellows geometry and material properties.

      Axial Movement (+/ MM): Axial movement is the change in dimensional length of the bellows from its free length in a direction parallel to its longitudinal axis. Compression is always expressed as negative () and extension as positive (+). The units for axial spring rates displayed in N/mm.

      Lateral Movement (+/ MM): This relative displacement of the two ends of an Expansion Joint perpendicular to its longitudinal axis. This has been referred to as lateral offset, lateral movement, parallel misalignment, direct shear or transverse movement.

      Angular Movement (+/ Degrees): This displacement of the longitudinal axis of the Expansion Joint from its initial straight line position into a circular arc.

      Types Of Expansion Joints:
      • Axial Expansion Joint
      • Lateral Expansion Joint
      • Hinge Expansion Joint
      • Gimbal Expansion Joint
      • Inline Pressure Balanced Expansion Joint
      • Elbow Pressure Balanced Expansion Joint
      • Externally Pressurized Expansion joint
      • Two ply testable bellow
      • Rectangular Expansion Joint
      • Slip Type Expansion Joint
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      Anand Uttarkar (CEO)
      Kwality Products
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