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VAT 29 Series, Инструкции по установке, эксплуатации и обслуживанию

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Installation, Operating & Maintenance Instructions 

Series 29, DN 25 - 50 (I.D. 1" - 2")

 

 

 

 

VAT Vakuumventile AG, CH-9469 Haag, Switzerland 
Tel +41 81 771 61 61   Fax +41 81 771 48 30   [email protected]   www.vatvalve.com 

257676ED

 

2006-05-11 

8/13 

 

3 Operation 

 

3.1 Normal 

operation 

 
Valve is closed by a spring (NC) 
Valve is opened pneumatically 
 
 

3.2 Operating 

states 

 
- No compressed air pressure: 

Valve is closed 

- Compressed air pressure to «S»:  Bypass (soft-pump opening) is open, main valve is closed 
- Compressed air pressure to «M»:  Main valve is open 
 
 

3.3  Operation under increased temperature 

 
See «1.1 Technical data» 
 
 

3.4  Behavior in case of compressed air pressure drop 

 
Valve closed: Valve remains closed and leaktight 
Valve open:  Valve closes leaktight 
 
 

3.5  Behavior in case of power failure 

 
Valve with solenoid: 

Valve closes leaktight with of a spring 

Valve without solenoid:  Behavior is undefined — depending on the customer’s installation 
 
 

3.6  Adjustment of the soft-pump opening (intermediate position) 

 

 

The compressed air pressure 
at «M» and «S» must be 
switched off.  
 
The rod can be turned to the 
desired position with an Allen 
wrench (Allen key). 
 
At the lowest scale value, the 
conductance is minimal. By 
turning the rod counter-
clockwise the conductance of  
the soft-pump opening 
increases. At the highest scale 
value, the conductance is 
maximal. 

conductance diagram

DN40

DN25

DN50

0.00

1.00

2.00

3.00

4.00

5.00

6.00

7.00

8.00

9.00

10.00

11.00

12.00

13.00

14.00

0

1

2

3

4

5

6

7

8

9

10

soft pump position

c

onduc

ta

n

c

e

 [

l/

s

] a

t 

1

 ba

r

 

Содержание 29 Series

Страница 1: ... 31 41 29134 KA H E 11 21 31 41 The fabrication number is indicated on each product as per the label below or similar made in Switzerland Fabrication No patented 29 A Fabrication number Explanation of symbols Read declaration carefully before you start any other action Keep body parts and objects away from the valve opening Attention Hot surfaces do not touch Product is in conformity with EC guide...

Страница 2: ...s or any other reproduction processes nor may it be manipulated with electronic systems duplicated or distributed without written permission from VAT Offenders are liable to pay damages The original VAT firmware and updated state of the art versions of the VAT firmware are intended for use with VAT products The VAT firmware contains a limited time unlimited user license The VAT firmware may not be...

Страница 3: ...tion 6 2 3 3 Position indicator options 7 3 Operation 8 3 1 Normal operation 8 3 2 Operating states 8 3 3 Operation under increased temperature 8 3 4 Behavior in case of compressed air pressure drop 8 3 5 Behavior in case of power failure 8 3 6 Adjustment of the soft pump opening intermediate position 8 4 Trouble shooting 9 5 Maintenance repairs 9 5 1 Replacement of vacuum seals 10 5 1 1 Dismounti...

Страница 4: ... Pressure range valve open 1 x 10 8 mbar to 1 2 bar abs Molecular flow conductance DN 25 14 l s 1 DN 40 45 l s 1 DN 50 80 l s 1 Differential pressure on the plate in opening direction 1 2 bar in closing direction 1 2 bar Differential pressure at opening 1 bar in either direction Admissible temperature Valve body 0 150 C Actuator 0 120 C Position indicator 0 80 C Option 120 C Solenoid 0 80 C Cycles...

Страница 5: ... be treated with care and kept clean 2 2 Installation into the system DN nom I D Axial tensile or compressive force FA Torque moment M mm inch N lbf Nm lbf ft 25 1 70 16 3 2 2 40 1 100 22 6 4 5 50 2 150 34 11 8 A combination of both forces FA and M is prohibited Please contact VAT 2 3 Connections 2 3 1 Compressed air connection Connect compressed air only when valve is installed into the system mo...

Страница 6: ...not be touched Make sure that the control voltage is in accordance with the voltage stated on the solenoid The plug for the solenoid is supplied with the valve Connections Solenoid MV 2 1 power 2 1 MV Coil of solenoid Position indicator open closed Admissible temperature 80 C standard Lo Position indicator open Lagemelder offen Indicateur de position ouvert Lg Position indicator closed Lagemelder ...

Страница 7: ...ur de position fermé 1 2 3 4 Lg Lo bk gn wh rd Lo Position indicator open Lagemelder offen Indicateur de position ouvert Lg Position indicator closed Lagemelder geschlossen Indicateur de position fermé 6 5 4 3 2 1 6 5 1 2 Lg Lo D sub plug 9 pin M8 plug 4 pin Lo Position indicator open Lagemelder offen Indicateur de position ouvert Lg Position indicator closed Lagemelder geschlossen Indicateur de p...

Страница 8: ...losed Valve remains closed and leaktight Valve open Valve closes leaktight 3 5 Behavior in case of power failure Valve with solenoid Valve closes leaktight with of a spring Valve without solenoid Behavior is undefined depending on the customer s installation 3 6 Adjustment of the soft pump opening intermediate position The compressed air pressure at M and S must be switched off The rod can be turn...

Страница 9: ...ng out any maintenance or repairs please contact VAT It has to be individually decided whether the maintenance repair can be performed by the customer or has to be carried out by VAT The fabrication number on the valve made in Switzerland Fabrication No patented A Fabrication number has always to be specified All supplies e g compressed air electrical power must be disconnected for removal install...

Страница 10: ...h alcohol Put new O ring 1 on plate groove and press it crosswise at 4 points into the groove Press O ring uniformly into groove 5 1 3 Replacement of plate seal intermediate position Remove bottom plate 4 DN 40 and DN 50 by removing the screws 2 DN 25 by turning the bottom plate 4 with an Allen wrench Allen key Stick a needle into the O ring 3 and pull it out of groove Attention Do not damage the ...

Страница 11: ...Operating Maintenance Instructions Series 29 DN 25 50 I D 1 2 VAT Vakuumventile AG CH 9469 Haag Switzerland Tel 41 81 771 61 61 Fax 41 81 771 48 30 CH vatvalve com www vatvalve com 257676ED 2006 05 11 11 13 Drawing ...

Страница 12: ...s is to ensure that the appropriate spare parts are supplied Item Description Additional information 1 Plate seal O ring 3 Plate seal O ring for intermediate position 4 Bottom plate 5 Bottom seal O ring 6 Bonnet seal O ring 1 3 5 6 Seal kit vacuum VAT vacuum grease N 6951 011 10 g Solenoid Item Description Voltage 10 Ordering No 12 VDC 244106 24 VDC 235683 48 VDC 244108 110 VDC 244118 24 VAC 50 60...

Страница 13: ...xpense whether consequential special incidental direct or otherwise caused by arising out of or connected with the manufacture delivery including any delay in or failure to deliver packaging storage or use of any product sold or delivered by VAT shall fail to conform to the foregoing warranty or to the description thereof contained herein the purchaser thereof as its exclusive remedy shall upon pr...

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