Related Manuals for KSB 4STC
Summary of Contents for KSB 4STC
- Page 1 KSB Mechanical Seal 4STC For the Amarex KRT, Sewatec and Amacan Type Series 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 11/03/2022...
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Page 3: Table Of Contents
General drawings with list of components.................... 20 9.1.1 Variant with axially secured primary ring carrier ................ 20 9.1.2 Variant without axially secured primary ring carrier............... 21 9.1.3 Variant with clamped mating ring carrier.................. 22 Certificate of Decontamination...................... 23 Index .............................. 24 4STC 3 of 26... -
Page 4: General
In the event of damage, immediately contact your nearest KSB service facility to maintain the right to claim under warranty. -
Page 5: Key To Safety Symbols/Markings
In conjunction with one of the signal words this symbol indicates a hazard involving electrical voltage and identifies information about protection against electrical voltage. Machine damage In conjunction with the signal word CAUTION this symbol indicates a hazard for the machine and its functions. 4STC 5 of 26... -
Page 6: Safety
– Hazards to persons due to electrical, thermal, mechanical and chemical effects and explosions – Failure of important product functions – Failure of prescribed maintenance and servicing practices – Hazard to the environment due to leakage of hazardous substances 4STC 6 of 26... -
Page 7: Safety Awareness
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. 4STC 7 of 26... -
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 4STC 9 of 26... -
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. 4STC 10 of 26... -
Page 11: Description
4 Description 4 Description 4.1 General description ▪ KSB mechanical seal Mechanical seal for installation in pump sets and other rotating machinery in accordance with the manufacturer's instructions. 4.2 Product information as per Regulation No. 1907/2006 (REACH) For information as per chemicals Regulation (EC) No. 1907/2006 (REACH), see https:// www.ksb.com/ksb-en/About-KSB/Corporate-responsibility/reach/... -
Page 12: Configuration And Function
9 by springs 12. O-rings 11 and 14 are fitted for secondary sealing. On type series 4STC thrust ring 13 engages with primary ring 10 and primary ring carrier 3, thus preventing rotation of primary ring 10 without hindering its axial movability. Sealing between primary ring carrier 3 and discharge cover 2 is provided by O-ring 4. -
Page 13: Installation/Dismantling
– Shaft diameter > 100 mm: 0.10 mm max. ▪ Face run-out of the shaft in relation to the vertical connection surface of the casing: Lubricants must be compatible with all fluids used. They must not be aggressive to the secondary sealing elements. 4STC 13 of 26... -
Page 14: Installing The Mechanical Seal
ü The relevant documentation for installing the mechanical seal is being observed. 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 KSB’s mechanical seal 4STC is fully assembled and undamaged. ü Assembly aids are available. NOTE... -
Page 15: Removing The Mechanical Seal
5. Carry out further dismantling instructions given in the pump’s operating manual. 5.5 Tightening torques Table 5: Tightening torques Thread [Nm] 4STC 15 of 26... -
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. 4STC... -
Page 17: Operating Limits
Table 6: Operating limits (nominal diameter, sliding velocity, maximum pressure to be sealed off and temperature limits depending on the material combination and fluid.) Type series Max. pressure to be sealed off Carbon/SiC SiC/ SiC/WC Max. [m/s] [bar] [bar] [bar] [°C] 4STC +200 Sliding velocity Fluid temperature 4STC 17 of 26... -
Page 18: Maintenance
▪ When a system maintenance inspection or pump maintenance inspection is conducted, the mechanical seal should also be inspected. 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. 4STC 18 of 26... -
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
Fig. 3: Sectional drawing Table 7: List of components Part No. Description Part No. Description Jacking thread Mating ring Shaft Mating ring carrier Bearing housing Spring for mechanical seal 412.52/.53/.54/.55 O-ring Parallel pin Primary ring Hexagon head bolt 4STC 20 of 26... -
Page 21: Variant Without Axially Secured Primary Ring Carrier
Table 8: List of components Part No. Description Part No. Description Suction cover Mating ring Shaft Mating ring carrier 412.52/.53/.54/.55 O-ring Spring for mechanical seal Primary ring Spacer sleeve Primary ring carrier 562.52/.53 Parallel pin Thrust ring Grub screw 4STC 21 of 26... -
Page 22: Variant With Clamped Mating Ring Carrier
Fig. 5: Sectional drawing Table 9: List of components Part No. Description Part No. Description Suction cover Thrust ring Shaft Mating ring Impeller Mating ring carrier 412.52/.53/.54 O-ring Spring for mechanical seal Primary ring 562.52/.53 Parallel pin Primary ring carrier 4STC 22 of 26... -
Page 23: 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 field 4STC 23 of 26... -
Page 24: Index
Index Index Certificate of Decontamination 23 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 6 Safety awareness 7 Specialist personnel 6 Tightening torques 15 Training 6 Warnings 5 Warranty claims 4 4STC 24 of 26... - Page 26 KSB SE & Co. KGaA Johann-Klein-Straße 9 • 67227 Frankenthal (Germany) Tel. +49 6233 86-0 www.ksb.com...