background image

 

Installation, Operating & Maintenance Instructions 

Series 244, DN 10 - 50 (I.D.

⅝" - 2") 

Series 245, DN 16 - 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 

258343EE

 

2013-09-16 

3/14 

 

Contents: 

 
1

 

Use of product ........................................................................................................................................................... 4

 

1.1

 

Technical data for standard valve ....................................................................................................................... 4

 

2

 

Installation ................................................................................................................................................................. 5

 

2.1

 

Unpacking .......................................................................................................................................................... 5

 

2.2

 

Installation into the system ................................................................................................................................. 5

 

2.3

 

Connections ....................................................................................................................................................... 5

 

2.3.1

 

Compressed air connection ...................................................................................................................... 5

 

2.3.2

 

Electrical connection ................................................................................................................................ 6

 

3

 

Operation .................................................................................................................................................................. 8

 

3.1

 

Normal operation ................................................................................................................................................ 8

 

3.2

 

Operation under increased temperature ............................................................................................................. 8

 

3.3

 

Behavior in case of compressed air pressure drop ............................................................................................ 8

 

3.4

 

Behavior in case of power failure ....................................................................................................................... 8

 

4

 

Trouble shooting ....................................................................................................................................................... 8

 

5

 

Maintenance & repairs .............................................................................................................................................. 9

 

5.1

 

Replacement of vacuum seals ......................................................................................................................... 10

 

5.1.1

 

Dismount "actuator/gate assembly" ........................................................................................................ 10

 

5.1.2

 

Replacement of plate seal ...................................................................................................................... 10

 

5.1.3

 

Replacement of feedthrough O-ring (15/3) ............................................................................................. 11

 

5.1.4

 

Mount "actuator/plate assembly" ............................................................................................................ 12

 

6

 

Drawing ................................................................................................................................................................... 12

 

7

 

Spare parts ............................................................................................................................................................. 13

 

8

 

Warranty ................................................................................................................................................................. 14

 

 

 

Summary of Contents for 244 Series

Page 1: ...ated on each product as per the label below or similar made in Switzerland Fabrication No patented 24 A Fabrication number Explanation of symbols Read declaration carefully before you start any other...

Page 2: ...ies microfilms 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 T...

Page 3: ...into the system 5 2 3 Connections 5 2 3 1 Compressed air connection 5 2 3 2 Electrical connection 6 3 Operation 8 3 1 Normal operation 8 3 2 Operation under increased temperature 8 3 3 Behavior in ca...

Page 4: ...onductance in high vacuum DN 10 3 l s 1 DN 16 5 l s 1 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 2 bar in closing direction 5 bar Differential...

Page 5: ...the system Unprotected sealing surfaces must be treated with care and kept clean 2 2 Installation into the system DN nom I D Axial tensile or compressive force FA Bending moment M mm inch N lbf Nm lbf...

Page 6: ...sion P bar MPa min max 4 0 4 8 0 8 P bar MPa M5 1 8 Position indicator open closed Admissible temperature 80 C standard Position indicator open closed Admissible temperature 120 C option Lo Position i...

Page 7: ...ftung Echappement MV Coil solenoid valve Spule Steuerventil Bobine de l lectrovanne overpressure berdruck surpression P bar MPa min max 4 0 4 8 0 8 P bar MPa M5 1 8 6 5 4 3 2 1 2 1 6 5 3 4 Lg Lo 1 2...

Page 8: ...losed pneumatically 3 2 Operation under increased temperature See 1 1 Technical data 3 3 Behavior in case of compressed air pressure drop Valve closed valve opens Valve open valve remains open 3 4 Beh...

Page 9: ...d 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 compr...

Page 10: ...te assembly Remove 4 screws 60 uniformly and crosswise Attention Loaded spring Withdraw actuator gate assembly carefully from body pneumatic actuator Remove bonnet seal O ring 62 from groove 5 1 2 Rep...

Page 11: ...refully open vice and remove relaxed insert Remove the parts 26 11 26 5 26 4 and 15 1 from plate 15 2 by axially disperse the parts Pick feedthrough O ring 15 3 with a needle and pull it out of groove...

Page 12: ...ww vatvalve com 258343EE 2013 09 16 12 14 5 1 4 Mount actuator plate assembly Check and clean sealing surfaces of bonnet flange and valve seat Put bonnet seal O ring 62 into body Carefully insert actu...

Page 13: ...feedthrough complete 15 1 Feedthrough end piece 15 2 Plate 15 3 Shaft feedthrough O ring 26 Actuator complete 26 2 Piston 26 4 Support bushing 26 5 Spring 26 7 O ring for pneumatic actuator 26 8 O rin...

Page 14: ...any damage loss or expense 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 delive...

Reviews: