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Summary of Contents for KSB 4EYS
- Page 1 KSB Mechanical Seal 4EYS / 4EYT Installation/Operating Manual...
- Page 2 All rights reserved. The contents provided herein must neither be distributed, copied, reproduced, edited or processed for any other purpose, nor otherwise transmitted, published or made available to a third party without the manufacturer's express written consent. Subject to technical modification without prior notice. © KSB SE & Co. KGaA, Frankenthal 13/08/2020...
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Page 3: Table Of Contents
Safety instructions for operation........................ 16 Emissions ................................. 16 Operating limits.............................. 17 Maintenance............................ 18 Maintenance/inspection.......................... 18 Trouble-shooting.......................... 19 Related Documents .......................... 20 General assembly drawings with list of components................... 20 9.1.1 Mechanical seal 4EYS......................... 20 9.1.2 Mechanical seal 4EYT......................... 21 Dimensions.............................. 22 9.2.1 4EYS .............................. 22 9.2.2 4EYT .............................. 23 Certificate of Decontamination...................... 24 Index .............................. -
Page 4: General
In the event of damage, immediately contact your nearest KSB Service centre to maintain the right to claim under warranty. -
Page 5: Safety
This applies to, for example: – Arrow indicating the direction of rotation – Markings for connections – Fitting direction ▪ The operator is responsible for ensuring compliance with all local regulations not taken into account. 4EYS / 4EYT 5 of 28... -
Page 6: Intended Use
Observe all legal requirements. ▪ The design of mechanical seals always produces a small amount of leakage. ▪ Higher leakage may occur especially in the running-in phase. The leakage must be drained off in a controlled way 4EYS / 4EYT 6 of 28... -
Page 7: Safety Information For Maintenance, Inspection And Installation
The warranty relating to the operating reliability and safety of the mechanical seal supplied is only valid if the mechanical seal is used in accordance with its intended use. Any damage caused by dry running shall be excluded from the warranty. 4EYS / 4EYT 7 of 28... -
Page 8: Transport/Storage/Disposal
1. On transfer of goods, check each packaging unit for damage. 2. In the event of in-transit damage, assess the exact damage, document it and notify KSB or the supplying dealer and the insurer about the damage in writing immediately. -
Page 9: Return To Supplier
4. Always complete and enclose a certificate of decontamination when returning the mechanical seal. Always indicate any safety measures and decontamination measures taken. NOTE If required, a blank certificate of decontamination can be downloaded from the following web site: www.ksb.com/certificate_of_decontamination 4EYS / 4EYT 9 of 28... -
Page 10: Disposal
Collect greases and other lubricants during dismantling. 2. Separate and sort the mechanical seal materials, e.g. by: - Metals - Plastics - Greases and other lubricants 3. Dispose of materials in accordance with local regulations or in another controlled manner. 4EYS / 4EYT 10 of 28... -
Page 11: Description
Anti-twist lock of mating ring Without lock With lock 4EYS Type series, type 4EYS Overall length N, specially developed for use in single mechanical seal arrangement 4EYT Overall length K, specially developed for use in tandem arrangement 4.3 Materials ▪ Depending on the application ▪... -
Page 12: Configuration And Function
Design Mechanical seal for installation in pump sets and other rotating machinery in accordance with the manufacturer's instructions. KSB’s mechanical seal 4EYS / 4EYT is a cartridge seal that has been especially developed for use in pumps of the Etabloc SYT and Etanorm SYT type series. Type series 4EYS with nominal diameter D1 and installation dimension L1N is equivalent to... -
Page 13: Installation/Dismantling
▪ Face run-out of the shaft in relation to the vertical connection surface of the casing: – Shaft speed ≤ 750 rpm: 0.2 mm max. Lubricants must be compatible with all fluids used. They must not be aggressive to the secondary sealing elements. 4EYS / 4EYT 13 of 28... -
Page 14: Installing The Mechanical Seal
ü The back pull-out unit has been removed from the pump casing and safely positioned and secured in a horizontal position. ü The original 4EYS / 4EYT mechanical seal is fully assembled and undamaged. NOTE If any installation instructions or an installation sequence are specified in the product literature of the pump/machinery into which the mechanical seal is to be installed, they must be observed. -
Page 15: Removing The Mechanical Seal
3. Jointly remove O-ring 412.52 and mating ring 475 from mating ring carrier 476. 4. Carry out further dismantling instructions given in the operating manual of the pump/machinery. 5.5 Tightening torques Table 5: Tightening torques Thread [Nm] 4EYS / 4EYT 15 of 28... -
Page 16: Operation
NOTE If a reduction in leakage cannot be observed or if other failures occur, the mechanical seal must be shut down, removed from the system and sent to KSB for inspection. 4EYS / 4EYT... -
Page 17: Operating Limits
Maximum temperature of the buffer fluid [°C] Oil-based fluid (mineral) Water-based fluid NOTE Take appropriate measures (e.g. cooling the reservoir) to ensure that the buffer fluid does not exceed the temperature limits. Sliding velocity Fluid temperature 4EYS / 4EYT 17 of 28... -
Page 18: Maintenance
The seal faces should be reworked and all elastomer joint rings and springs should be replaced by new ones. KSB is available for inspecting the mechanical seal. 4EYS / 4EYT 18 of 28... -
Page 19: Trouble-Shooting
NOTE Prior to conducting any work on the mechanical seal during the warranty period contact the manufacturer. KSB Service will be pleased to help you. Non-compliance with this instruction will lead to forfeiture of any and all rights to claims for damages. -
Page 20: Related Documents
9 Related Documents 9 Related Documents 9.1 General assembly drawings with list of components 9.1.1 Mechanical seal 4EYS 412.53 412.52 Fig. 3: Sectional view, left A-A, right B-B Fig. 4: Cross-section axis Table 8: List of components Part No. Description Part No. Description 412.52/.53... -
Page 21: Mechanical Seal 4Eyt
9.1.2 Mechanical seal 4EYT 412.53 Fig. 5: Sectional drawing Fig. 6: Cross-section axis Table 9: List of components Part No. Description Part No. Description 412.53 O-ring Spring Primary ring Torque-transmitting element Thrust ring Grub screw Mating ring Circlip 4EYS / 4EYT 21 of 28... -
Page 22: Dimensions
9.2 Dimensions 9.2.1 4EYS 2 x M6 x 20° Fig. 7: Dimensions With seat lock Without seat lock Table 10: 4EYS dimensions [mm] 52,5 56,5 16,5 60 48,5 11,5 2 63,5 To determine the safety distance between rotating and stationary components these dimensions are recommended as maximum dimensions. -
Page 23: 4Eyt
The mechanical seal manufacturer may supply a mechanical seal shorter than the dimension indicated. Any differences in length should be compensated by means of a spacer which should also be supplied by the manufacturer of the mechanical seal. 4EYS / 4EYT 23 of 28... -
Page 24: Certificate Of Decontamination
We confirm that the above data and information are correct and complete and that dispatch is effected in accordance with the relevant legal provisions....................................Place, date and signature Address Company stamp Required fields 4EYS / 4EYT 24 of 28... -
Page 25: Index
Index Index Certificate of Decontamination 24 Design 11 Designation 11 Disposal 10 Event of damage 4 Key to safety symbols/markings 5 Other applicable documents 4 Personnel 6 Qualification 6 Return to supplier 9 Safety 5 Safety awareness 6 Specialist personnel 6 Tightening torques 15 Training 6 Warnings 5 Warranty claims 4 4EYS / 4EYT 25 of 28... - Page 28 KSB SE & Co. KGaA Johann-Klein-Straße 9 • 67227 Frankenthal (Germany) Tel. +49 6233 86-0 www.ksb.com...
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