VacAir supplies replacement carbon vanes for the Elmo Rietschle KTN 25 dry-running rotary vane compressor.
Rietschle OEM Reference: 513431
VacAir Reference: VA513431
Quantity: 6 vanes per pump
Dimensions: 85 × 39 × 4 mm
Minimum Vane Height: 24 mm
Material: Carbon
Availability: In stock
Whether you are arranging planned maintenance or repairing a KTN 25 compressor following an unexpected breakdown, VacAir can assist with replacement vanes, spare parts and urgent delivery options.
Call VacAir: 0113 2088501
Carbon vane supply, Rietschle spare parts and specialist engineering support.
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The Elmo Rietschle KTN 25 is a dry-running rotary vane compressor designed for industrial compressed-air applications. Carbon vanes are essential working components within the compressor and are subject to progressive wear during operation.
VacAir supplies replacement carbon vanes for the KTN 25, corresponding to Rietschle OEM reference 513431 and VacAir reference VA513431. The replacement specification is 85 × 39 × 4 mm, with six vanes required per compressor.
The original carbon vane height is 39 mm, while the specified minimum permitted vane height is 24 mm. Regular inspection allows maintenance engineers to assess the condition of the vanes and arrange replacement before excessive wear affects compressor performance.
The 513431 vane specification is shared by several Rietschle rotary vane models. Although the physical vane dimensions are common, the quantity required and minimum permitted height may differ between applications. The KTN 25 should therefore be identified by its full model designation.
VacAir also supplies Elmo Rietschle spare parts and provides vacuum pump and compressor servicing and repairs.
TECHNICAL INFORMATION
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KTN 25 VANE FEATURES✓
Replacement carbon vanes for the KTN 25 compressor ✓
Six vanes required for a complete replacement ✓
85 × 39 × 4 mm replacement dimensions ✓
Minimum permitted vane height: 24 mm ✓
Rietschle OEM reference 513431 ✓
VacAir technical and engineering support |
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The carbon vanes fitted to the KTN 25 gradually wear during compressor operation. Regular inspection helps identify when replacement is required and provides an opportunity to examine the condition of the internal pumping mechanism. The specified KTN 25 replacement vanes measure 85 × 39 × 4 mm. Their original height is 39 mm, with a minimum permitted height of 24 mm. A complete vane replacement requires six carbon vanes. During maintenance, check: ✓ Remaining vane height against the 24 mm limit ✓ Carbon surfaces for cracks, chips or fractures ✓ Free movement of vanes within the rotor slots ✓ Internal cylinder surfaces for scoring ✓ Rotor, shaft and bearing condition ✓ Inlet filtration and accumulated contamination ✓ Evidence of abnormal wear or overheating KTN 25 vane wear limit: The specified minimum permitted height is 24 mm. Replace worn vanes as a complete set of six, following the manufacturer’s servicing instructions. Investigate any damaged or unevenly worn components before restarting the compressor.
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General carbon vane maintenance illustration.
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Maintaining the KTN 25 compressor involves checking the carbon vanes alongside other components that influence its operating condition. Filtration, bearings and internal running surfaces should be inspected as appropriate during scheduled servicing. VacAir has supplied vacuum pump and compressor spare parts since 1996, supporting industrial customers, engineering contractors and maintenance teams with component identification and technical assistance. When enquiring about KTN 25 spare parts, providing the complete compressor model, serial number and any existing OEM references can help identify the correct replacement components. ✓ Rietschle 513431 replacement carbon vanes ✓ Inlet and exhaust filtration components ✓ Additional compressor servicing parts ✓ Technical support with part identification |
VacAir supplies Rietschle 513431 replacement carbon vanes for the KTN 25 compressor, measuring 85 × 39 × 4 mm. A complete replacement requires six vanes.
When carrying out a vane change, engineers should check the existing vane height against the 24 mm minimum permitted measurement. The rotor slots, cylinder surfaces, bearings and filtration should also be examined for wear or contamination.
If a compressor has suffered sudden vane breakage, reduced pressure output or unusual mechanical noise, the cause should be investigated before fitting new components.
VacAir’s experienced OEM factory-trained engineers provide carbon vane fitting, preventative maintenance, compressor fault diagnosis and repair services.
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VacAir supplies Elmo Rietschle KTN 25 replacement carbon vanes to industrial operators, maintenance departments and specialist service companies throughout the United Kingdom. We also support customers across Europe and worldwide. For urgent requirements, our team can discuss express courier services, collection arrangements and international shipping options. When contacting VacAir, quote KTN 25, Rietschle OEM reference 513431 or VacAir reference VA513431 to help identify the correct replacement vanes. |
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The KTN 25 uses the Rietschle 513431 carbon vane specification, which is shared with several other Rietschle vacuum pump and compressor models. Selecting replacements by the correct model and OEM reference helps avoid confusion between applications.
VacAir identifies the KTN 25 replacement under reference VA513431, measuring 85 × 39 × 4 mm. The compressor requires six vanes, with a 24 mm minimum permitted vane height.
Our 513431 master replacement vane page consolidates the OEM reference and compatible applications, while this KTN 25 page provides model-specific maintenance information.
VacAir has supplied industrial vacuum pump spares since 1996, combining replacement component supply with technical assistance and engineering services. Our operations are supported by an ISO 9001:2015 quality management system.
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