Summary of Contents for Vag ZETA
- Page 1 Operating and Maintenance Instructions VAG ZETA Knife Gate Valve ® Version with AUMA electrical multiturn actuator (EA) KAT-B2 2410 Edition 8 - 30-11-2017...
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Page 2: Table Of Contents
Table of Contents General VAG reserves the right to make technical changes and use materials of similar or better quality without prior notice. 1.1 Safety The pictures used are typical and non-binding. 1.2 Proper use Transport and Storage 2.1 Transport 2.2 Storage... -
Page 3: Safety
„VAG Installation and Ope- ration Instructions for Valves“. Arbitrary alterations of this pro- 3.1 Features and function description duct or parts supplied are not allo- wed. VAG will not assume any liability for consequential damage due to non-compliance The VAG ZETA Knife Gate Valve is a gate valve in full-flange de- ®... -
Page 4: Applications
Upon delivery, the tight sealing of the valve is only guaran- teed Attention! Exception! up to its maximum permissible operating pressure. VAG ZETA control valve with VAG control orifice. The ZETA control ® ® The valve has been designed for operation in liquids. If it... -
Page 5: Assembly Instructions And Fittings
When connecting the valve to the pipeline flanges with through- holes, use hexagon head screws and nuts with washers on both Wrong Right Wrong Picture 3: Assembly of the VAG ZETA Knife Gate Valve ® Connection parts for flange connection, wafer type Flanges Wafer-type DN 50...600... - Page 6 DN 80...200 DN 250...300 DN 400 DN 500...600 DN 700 DN 800 DN 900 DN 1000 Blind thread hole Through hole ¡ DN 1200 DN 1400 Picture 4: Blind thread hole and through hole VAG Operating and Maintenance Instructions • 6...
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Page 7: Putting The Valve Into Operation
The pressure exerted on the closed valve must not exceed the 5.2.1 Using the handwheel, first turn the knife of the ZETA Knife ® maximum permissible operating pressure (see Table 3). -
Page 8: Maintenance And Service
(10) can be easily re-tensioned without dismantling black threaded cap or a stem protection tube (15). VAG does not the valve. To do this, evenly turn the screws of the thrust piece (2) assume any liability for failures resulting from modified or remo- by approx. - Page 9 Electric actuator • Scraper profile • U-profiled qasket • • Lateral seal • • Sliding rod • Compression profile Protection cap or stem protection tube Table 4: Parts list and recommended spare part units VAG Operating and Maintenance Instructions • 9...
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Page 10: Trouble-Shooting
Leak at the outlet of the 6.3.2 Damaged lateral seal knife Clean the knife and lubricate it See also Section 6.1! Open the valve, remove the protection panel, clean the Damaged lateral seal knife and lubricate it VAG Operating and Maintenance Instructions • 10... -
Page 11: How To Contact Us
Fax: +49 (621) 749-2153 info@vag-group.com http://www.vag-group.com Service Our service hotline can be reached 24/7 world-wide. In case of emergency, please contact us by phone Service hotline: +49 621 - 749 2222 Service per E-Mail: service@vag-group.com VAG Operating and Maintenance Instructions • 11... - Page 12 info@vag-group.com...