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KTR Kupplungstechnik
GmbH
D-48407 Rheine
Type HEW1
Please note protection
Drawn:
mark ISO 16016.
Verified:
BoWex-ELASTIC
Operating/Assembly Instructions
Type HEW and HEW-ZS
BoWex-ELASTIC
highly flexible flange couplings types
HEW1, HEW2 and their combinations
according to standard 94/9/EC (ATEX 95)
for finish bored, pilot bored and unbored couplings
BoWex-ELASTIC
highly flexible flange couplings types
HEW-ZS and their combinations
for finish bored, pilot bored and unbored couplings
Type HEW-ZS
08.11.11 Pz/Hk
09.11.11 Pz
®
KTR-N
Sheet:
Edition:
®
Type HEW2
®
Replaced for:
KTR-N valid from 08.04.04
Replaced by:
40114 EN
1 of 20
5
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Summary of Contents for KTR BoWex-ELASTIC HEW1
- Page 1 BoWex-ELASTIC highly flexible flange couplings types HEW-ZS and their combinations for finish bored, pilot bored and unbored couplings Type HEW-ZS Please note protection Drawn: 08.11.11 Pz/Hk Replaced for: KTR-N valid from 08.04.04 mark ISO 16016. Verified: 09.11.11 Pz Replaced by:...
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Page 2: Table Of Contents
5.6 Starting 5.7 Breakdowns, causes and elimination 5.8 Certificate of Conformity according to the EG Standards 94/9/EG dated 23 March 1994 Please note protection Drawn: 08.11.11 Pz/Hk Replaced for: KTR-N valid from 08.04.04 mark ISO 16016. Verified: 09.11.11 Pz Replaced by:... -
Page 3: Technical Data
6500 20000 2250 5500 16500 2850 7000 21000 1200 3600 9000 27000 1250 3750 G 80 1600 4800 2000 6000 Please note protection Drawn: 08.11.11 Pz/Hk Replaced for: KTR-N valid from 08.04.04 mark ISO 16016. Verified: 09.11.11 Pz Replaced by:... -
Page 4: D-48407 Rheine
(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. Please note protection Drawn: 08.11.11 Pz/Hk Replaced for: KTR-N valid from 08.04.04 mark ISO 16016. Verified: 09.11.11 Pz Replaced by:... -
Page 5: Hints
Typical drives with dangerous torsional vibration are e. g. drives with diesel engines, piston pumps, piston compressors etc. On request KTR will perform the coupling selection and the torsional vibration calculation. -
Page 6: Proper Use
4 Assembly Basically the coupling is supplied in individual parts. Before assembly the coupling has to be inspected for completeness. Please note protection Drawn: 08.11.11 Pz/Hk Replaced for: KTR-N valid from 08.04.04 mark ISO 16016. Verified: 09.11.11 Pz Replaced by:... -
Page 7: Components Of The Couplings
Table 4: cylinder head screws DIN EN ISO 4762 Size G 80 G 125 Quantity z (component 4.3) Quantity z (component 6) Please note protection Drawn: 08.11.11 Pz/Hk Replaced for: KTR-N valid from 08.04.04 mark ISO 16016. Verified: 09.11.11 Pz Replaced by:... -
Page 8: Hint Regarding The Finish Bore
(KTR-Standard) If a feather key is intended to be used in the hub, it should correspond to the tolerance ISO JS9 (KTR-Standard) with normal operating conditions or ISO P9 with heavy operating conditions (frequently alternating torsional direction, shock loads, etc.). -
Page 9: Assembly Of The Coupling
8. Table 8: cylinder head screws DIN EN ISO 4762 Size G 80 G 125 Tightening torque [Nm] Please note protection Drawn: 08.11.11 Pz/Hk Replaced for: KTR-N valid from 08.04.04 mark ISO 16016. Verified: 09.11.11 Pz Replaced by:... -
Page 10: Displacements - Alignment Of The Couplings
In case of a use in hazardous areas for the explosion group IIC (marking II 2GD c IIC T X), only half of the displacement figures (see table 10) are permissible. Please note protection Drawn: 08.11.11 Pz/Hk Replaced for: KTR-N valid from 08.04.04 mark ISO 16016. Verified: 09.11.11 Pz Replaced by:... - Page 11 = 70 % Example 2: K = 60 % K = 40 % K = K + K 100 % total Please note protection Drawn: 08.11.11 Pz/Hk Replaced for: KTR-N valid from 08.04.04 mark ISO 16016. Verified: 09.11.11 Pz Replaced by:...
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Page 12: 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 at www.ktr.com. -
Page 13: Enclosure A
Hints and Instructions Regarding the Use in Hazardous Areas Type HEW1and HEW2: Hub / Elastomer part / Coupling flange Attachment A only applies for BoWex-ELASTIC HEW1 and HEW2. 5.1 Use in Hazardous Areas According to the Regulations Conditions of operation in hazardous locations ®... -
Page 14: Control Intervals For Couplings In
Visual inspection of the elastomer part (fractures, holes or similar). ® Illustration 12: BoWex-ELASTIC (type HEW1) Please note protection Drawn: 08.11.11 Pz/Hk Replaced for: KTR-N valid from 08.04.04 mark ISO 16016. Verified: 09.11.11 Pz Replaced by:... -
Page 15: Checking Of Torsional Backlash
When reaching the torsional backlash S the elastomer part must be replaced. Illustration 13: marking of the elastomer part and the hub Please note protection Drawn: 08.11.11 Pz/Hk Replaced for: KTR-N valid from 08.04.04 mark ISO 16016. Verified: 09.11.11 Pz Replaced by:... -
Page 16: Approximate Values Of Wear
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. KTR does not assume any warranty claims resulting from insufficient remachining. -
Page 17: Starting
In case of paintings up to 200 µm no electrostatic load can be expected. Multiple coatings exceeding a thickness of 200 µm are prohibited for explosion group llC. Please note protection Drawn: 08.11.11 Pz/Hk Replaced for: KTR-N valid from 08.04.04 mark ISO 16016. Verified: 09.11.11 Pz Replaced by:... - Page 18 Tightening torques are fallen below/exceeded. Components are replaced by mistake/put together incorrectly. No original KTR parts (purchased parts) are used. Old elastomer parts/already worn out elastomer parts or elastomer parts that were stored too long are used.
- Page 19 A T T E N T I O N ! KTR does not assume any liabilities or warranties regarding the use of spare parts and accessories which are not provided by KTR and for the damages resulting herefrom. Please note protection Drawn: 08.11.11 Pz/Hk...
- Page 20 EC type test certificate IBExU01ATEXB004_05 X were in part replaced by updated versions. KTR Kupplungstechnik GmbH as the manufacturer confirms that the product mentioned above is in accordance with the specifications of the new standards, too.
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