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KTR Kupplungstechnik
GmbH
D-48407 Rheine
POLY
Torsionally flexible couplings types,
not failsafe
PKZ, PKD, PKA,
and their combinations
according to Standard 94/9/EC
(ATEX 95) for finish bored, pilot
bored and unbored couplings
Schutzvermerk
Gezeichnet:
ISO 16016 beachten.
Geprüft:
POLY
Operating-/Assembly Instructions
11.03.10 Pz/Bru
16.03.10 Pz
KTR-N
sheet:
edition:
Type PKZ
Type PKD
Type PKA
Ersatz für:
KTR-N vom 25.04.07
Ersetzt durch:
49610 EN
1 of 24
9

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Summary of Contents for KTR POLY PKZ Series

  • Page 1 Type PKZ according to Standard 94/9/EC (ATEX 95) for finish bored, pilot bored and unbored couplings Type PKD Type PKA Schutzvermerk Gezeichnet: 11.03.10 Pz/Bru Ersatz für: KTR-N vom 25.04.07 ISO 16016 beachten. Geprüft: 16.03.10 Pz Ersetzt durch:...
  • Page 2: Table Of Contents

    Marking of Coupling for the Hazardous Area 5.6 Starting 5.7 Breakdowns, Causes and Elimination 5.8 EC Certificate of Conformity according to the EC Standards 94/9/EC dated 23 March 1994 Schutzvermerk Gezeichnet: 11.03.10 Pz/Bru Ersatz für: KTR-N vom 25.04.07 ISO 16016 beachten. Geprüft: 16.03.10 Pz Ersetzt durch:...
  • Page 3: Technical Data

    2700 2350 2200 1850 1600 1400 1300 1150 1050 1) For peripheral speeds of more than v=30 m/sec a dynamical balancing is necessary. Schutzvermerk Gezeichnet: 11.03.10 Pz/Bru Ersatz für: KTR-N vom 25.04.07 ISO 16016 beachten. Geprüft: 16.03.10 Pz Ersetzt durch:...
  • Page 4 DIN EN ISO 4762 screw size screw length tightening torque T [Nm] 1) quantity for the complete coupling Schutzvermerk Gezeichnet: 11.03.10 Pz/Bru Ersatz für: KTR-N vom 25.04.07 ISO 16016 beachten. Geprüft: 16.03.10 Pz Ersetzt durch:...
  • Page 5 Table 6: cap screws DIN EN ISO 4762 coupling size quantity for cap screws DIN EN ISO 4762 screw size screw length tightening torque T [Nm] 1) each coupling flange Schutzvermerk Gezeichnet: 11.03.10 Pz/Bru Ersatz für: KTR-N vom 25.04.07 ISO 16016 beachten. Geprüft: 16.03.10 Pz Ersetzt durch:...
  • Page 6 (e. g. combinations with brake drums, brake disks, overload systems like torque limiters, impellers etc.) are not allowed for the use in hazardous areas. A separate checking must be made. Schutzvermerk Gezeichnet: 11.03.10 Pz/Bru Ersatz für: KTR-N vom 25.04.07 ISO 16016 beachten. Geprüft: 16.03.10 Pz Ersetzt durch:...
  • Page 7: Hints

    Typical drives with endangered torsional vibration are e. g. drives with diesel engines, piston pumps, piston compressors etc. On request KTR makes the coupling selection and the torsional vibration calculation.
  • Page 8: General Hints To Danger

    Humid storage rooms are not suitable. Please make sure that there is no condensation. The best relative air humidity is under 65 %. Schutzvermerk Gezeichnet: 11.03.10 Pz/Bru Ersatz für: KTR-N vom 25.04.07 ISO 16016 beachten. Geprüft: 16.03.10 Pz Ersetzt durch:...
  • Page 9: Assembly

    DIN EN ISO 4762 steel 1) Component 2D, 3D and 5 is balanced in assembled condition. picture 7: POLY, type PKD Schutzvermerk Gezeichnet: 11.03.10 Pz/Bru Ersatz für: KTR-N vom 25.04.07 ISO 16016 beachten. Geprüft: 16.03.10 Pz Ersetzt durch:...
  • Page 10 DIN EN ISO 4762 1) for the complete coupling (dimension elastomer elements - see tables 7 and 8). 2) each coupling flange Schutzvermerk Gezeichnet: 11.03.10 Pz/Bru Ersatz für: KTR-N vom 25.04.07 ISO 16016 beachten. Geprüft: 16.03.10 Pz Ersetzt durch:...
  • Page 11: Assembly Of The Coupling (General)

    • Fasten the cam or the pocket section by tightening the setscrews DIN EN ISO 4029 with cup point (tightening torque see table 1). picture 11: coupling assembly Schutzvermerk Gezeichnet: 11.03.10 Pz/Bru Ersatz für: KTR-N vom 25.04.07 ISO 16016 beachten. Geprüft: 16.03.10 Pz Ersetzt durch:...
  • Page 12: Assembly Of The Type Pkd

    Having set the coupling into operation, the tightening torque of the screws and wear of elastomer elements have to be inspected in usual maintenance intervals. Schutzvermerk Gezeichnet: 11.03.10 Pz/Bru Ersatz für: KTR-N vom 25.04.07 ISO 16016 beachten. Geprüft: 16.03.10 Pz Ersetzt durch:...
  • Page 13: Assembly Of The Type Pka

    Having set the coupling into operation, the tightening torque of the screws and wear of elastomer elements have to be inspected in usual maintenance intervals. Schutzvermerk Gezeichnet: 11.03.10 Pz/Bru Ersatz für: KTR-N vom 25.04.07 ISO 16016 beachten. Geprüft: 16.03.10 Pz Ersetzt durch:...
  • Page 14: Hint Regarding The Finish Bore

    4 Assembly 4.6 Hint Regarding the Finish Bore KTR supplies unbored or pilot bored coupling parts and spare parts on explicit customer´s request. These parts are additionally labelled with the symbol C A U T I O N ! The orderer is responsible for all subsequently made machinings to unbored or pilot bored and to finish machined coupling parts and spare parts.
  • Page 15: Spares Inventory, Customer Service Addresses

    A basic requirement to guarantee the operational readiness of the coupling is a stock of the most important spare parts on site. Contact addresses of the KTR partners for spare parts and orders can be obtained from the KTR homepage under www.ktr.com.
  • Page 16: Enclosure A

    Device class I of category M2 (coupling is not approved for device category M1). Permissible ambient temperature - 30 °C to + 80 °C. Schutzvermerk Gezeichnet: 11.03.10 Pz/Bru Ersatz für: KTR-N vom 25.04.07 ISO 16016 beachten. Geprüft: 16.03.10 Pz Ersetzt durch:...
  • Page 17: Control Intervals For Couplings In

    After having reached the limit of wear Δs the elastomer elements must max. be exchanged immediately, irrespective of the inspection intervals. picture 21: POLY type PKZ Schutzvermerk Gezeichnet: 11.03.10 Pz/Bru Ersatz für: KTR-N vom 25.04.07 ISO 16016 beachten. Geprüft: 16.03.10 Pz Ersetzt durch:...
  • Page 18: Approximate Values Of Wear

    17,5 15,3 17,5 16,1 18,7 16,1 18,7 18,4 19,6 10,3 22,9 18,4 10,3 19,6 22,9 22,2 10,6 23,9 23,7 11,3 28,6 21,8 24,8 Schutzvermerk Gezeichnet: 11.03.10 Pz/Bru Ersatz für: KTR-N vom 25.04.07 ISO 16016 beachten. Geprüft: 16.03.10 Pz Ersetzt durch:...
  • Page 19: Permissible Coupling Materials In The

    Any mechanical rework to couplings that are used in hazardous areas require an explicit release by KTR. The orderer must send a drawing to KTR acc. to which the manufacture must be made. KTR checks this drawing and returns it to the orderer with approval.
  • Page 20 In case of paintings up to 200 µm no electrostatic load can be expected. Multiple coatings that are thicker than 200 µm are prohibited for explosion group llC. Schutzvermerk Gezeichnet: 11.03.10 Pz/Bru Ersatz für: KTR-N vom 25.04.07 ISO 16016 beachten. Geprüft: 16.03.10 Pz Ersetzt durch:...
  • Page 21: Breakdowns, Causes And Elimination

    • Components are exchanged by mistake/put together incorrectly. • A wrong or no elastomer elements is inserted into the coupling. • No original KTR parts (purchased parts) are used. • Old elastomer elements/already worn out elastomer elements or superposed elastomer elements are used.
  • Page 22 E of the elastomer elements coupling) 3) check coupling parts and exchange damaged coupling parts 4) checking of wear see under point Control Schutzvermerk Gezeichnet: 11.03.10 Pz/Bru Ersatz für: KTR-N vom 25.04.07 ISO 16016 beachten. Geprüft: 16.03.10 Pz Ersetzt durch:...
  • Page 23 A T T E N T I O N ! KTR does not assume any liabilities or guarantees regarding the use of spare parts and accessories which are not provided by KTR and for the damages resulting herefrom.
  • Page 24 EC Standard 94/9/EC dated 23 March 1994 and to the legal regulations The manufacturer - KTR Kupplungstechnik GmbH, D-48432 Rheine - states that the POLY couplings described in these mounting instructions and explosion-proof designed correspond to Article 1 (3) b) of Standard 94/9/EC and comply with the general Safety and Health Requirements according to enclosure II of Standard 94/9/EC.

This manual is also suitable for:

Poly pkd seriesPoly pka series

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