Datasheet KGH-VA

Datasheet KGH-VA

Product catalog summary
Overview: The document provides technical specifications and installation instructions for metal bellows couplings, specifically the KGH-VA series, designed for easy installation and maintenance-free operation.
Specifications:
  • Design: Easy-to-install clamping hubs in a half-shell design.
  • Material: Stainless steel version suitable for temperatures up to 350°C.
  • Maintenance: Wear-free and maintenance-free.
  • Variability: Available in variable lengths with three standard types (2W/4W/6W) of metal bellows.
  • Dimensions: Length dimensions conform to DIN ISO 2768 cH.
  • Materials: Bellows made of stainless steel 1.4571/A4, hubs of 1.4301/A2, and screws conforming to ISO 4762, stainless steel/A4-80.
Mounting Instructions:
  • The half-shell design allows for simple, radial operation and a backlash-free, non-positive clamp connection.
  • Facilitates easy checking and correction of misalignments between input and output shafts.
  • Assembly involves placing fixed hub halves on shaft journals and screwing on loose half-shell pieces.
  • Service does not require dismantling of drive and output units.
  • Note: The distance between input and output shafts must exceed the coupling dimension 'g'.
Technical Data:
  • Temperature Range: -40°C to +350°C.
  • Connection: Bellows and hub connected by plasma welding.
  • Moment of Inertia and Misalignment: Detailed in a table for sizes 2W, 4W, and 6W, with specific values for moment of inertia, maximum shaft misalignment, and spring rates.
  • Maximum Speed (nmax) and Torque (VA): Provided for each size, indicating operational limits.
Dimensions and Mass:
  • Detailed dimensions and mass for each size (2W, 4W, 6W) are provided, including diameter, length, and mass specifications.
Conclusion: The KGH-VA series metal bellows couplings are designed for high-temperature applications, offering ease of installation and maintenance-free operation, with detailed specifications ensuring compatibility and performance in various mechanical systems.
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Catalog excerpts

Datasheet KGH-VA-1

Metal bellows coupling IlSeries KGH-VA • easy-to-install clamping hubs in half-shell design • stainless steel version up to 350°C • variable lengths - three standard types with 2W/4W/6W metal bellows technical data: KGH Tn Tragheits- moment of max. shaft axial lateral nmax -VA moment inertia misalignment [mm] spring rate spring rate maximum temperature range: -40°C up to +350°C bellows: stainless steel 1.4571 / A4 hubs: 1.4301 / A2 screws: ISO 4762 stainless steel / A4-80 note: connection between bellows and hub by plasma welding Dimensions [mm]: length dimensions according to DIN ISO 2768 cH Mounting Instructions: The half-shell design enables simple, radial operation and a backlash-free, non-positive clamp connection. This is a significant advantage, especially with fixed shaft journals. Misalignments between the input and output shaft can thus be easily checked and corrected. To facilitate assembly, the fixed hub halves can be placed on the shaft journals and the loose half-shell pieces can be screwed on. In the event of service, the cumbersome dismantling of the drive and output units is no longer necessary. note: the distance between input and output shaft must be greater than the coupling dimension „g“! order example: KGH - VA 200 / 4W - D1 = 32 G7 D2 = 35 G7 - stainless steel screws

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