Vag EKN H-Series Operation And Maintenance Instructions Download | Manualshive

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KAT 1310-B Edition 6_21-03-17

Operation and Maintenance Instructions

VAG EKN

®

Butterfly Valve H, M and B-Series

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Summary of Contents for EKN H-Series

Page 1: ...KAT 1310 B Edition 6_21 03 17 Operation and Maintenance Instructions VAG EKN Butterfly Valve H M and B Series...

Page 2: ...eam of the valve 8 4 2 2 Gear positions 10 4 3 Installation position 11 4 4 Assembly instructions and fittings 12 5 Set up and operation of the valve 12 5 1 Visual inspection and preparation 12 5 2 Fu...

Page 3: ...luid may emerge from the pipeline or the valve The pipeline must be emp tied completely before the valve is dismantled Special care needs to be taken in case of residue which may continue flowing 1 2...

Page 4: ...y Valve For valves that have been factory packed in transport crates wooden crates the centre of gravity of the entire unit must be taken into account The centre of gravity is marked on each side of t...

Page 5: ...an be calculated either using the VAG UseCAD Planning Software or the following calculation rules Cavitation limits After the upstream and downstream pressures of the valve as well as the flow rate ha...

Page 6: ...ssure applied to the closed valve must not exceed its rated pressure The VAG EKN Butterfly Valve has its limit stop in the gearbox This stop limits both the open and the closed position Due to the aut...

Page 7: ...perational pressure of the medium is maintained on the opposite side of the disk The UVV lock is operated by pushing the movable bolts when required with a handwheel radially in the direction of the p...

Page 8: ...assembly in drinking water pipelines suitable sealing mate rials lubricants and process materials must be used which are approved for use in drinking water pipelines Before putting the valve into oper...

Page 9: ...Valve at elbows and branches unfavourable ideal 3 X DN EKN EKN favourable EKN When installing a butterfly valve downstream of a control valve or a plunger valve make sure that there is enough space b...

Page 10: ...ation of the VAG EKN Butterfly Valve 4 2 2 Gear positions The gear can be turned by 90 around the drive shaft A Flow on shaft side seat surface on the outlet side gear on the right B Flow on the side...

Page 11: ...al position without restrictions with the gear facing up or down in the pipelines In case of valves with larger nominal diameters a special design of the valve must be selected due to the load of the...

Page 12: ...e it is connected to are aligned and level with each other Welding works on the pipeline must be performed be fore the valves are installed to prevent damage to the seals and the corrosion protection...

Page 13: ...to be observed and the external source of energy must be switched off and isolated Special care needs to be taken in case of hot surfaces Touching hot surfaces may result in burns Even when the de vic...

Page 14: ...G EKN Butterfly Valve with VAG HYsec hydraulic brake and lift unit 7 1 General safety instructions Prior to the performance of inspection and mainte nance work on the valve or its assemblies shut off...

Page 15: ...M and B Design and sub assemblies VAG Operation and Maintenance Instructions 15 A A B B C C D D E E F F Fuer diese Unterlagen behalten wir uns alle Rechte auch fuer den Fall der Patenterteilung und de...

Page 16: ...ofile seal 3 emerges from the body Unfasten the retaining ring screws 5 1 Remove retaining ring 1 and sealing ring 3 Clean the disk 2 in the sealing zone Check the seat ring in the body for damage or...

Page 17: ...es of retaining ring screws Picture 23 Tightening torques of retaining ring screws Bearing flange fixing screws Table 2 Tightening torques of bearing flange fixing screws Picture 24 Anzugsmomente Lage...

Page 18: ...n matter Gear blocked Undo block No electrical connection of elec tric actuator Establish electrical connection Unfavourable flow and impair ment of movement Change installation position Leaks in the...

Page 19: ...arl Reuther Str 1 68305 Mannheim Germany Phone 49 621 749 0 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 emergenc...

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