VAT 284 Series Assembly instructions

Installation, Operating & Maintenance Instructions

Series 284, DN 16, 25, 40, 63 (ID 5/8”, 1”, 1½”, 2½”)

Series 285, DN 16, 25, 40, 63 (ID 5/8”, 1”, 1½”, 2½”)

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 268249EF

2011-07-14 1/8

UHV Angle valve

●with manual actuator,

This manual is valid for the valve ordering number(s):

284..

285..

The fabrication number is indicated on each product as per the label

below (or similar):

made in Switzerland

Fabrication No.:

patented

. .

–

....

–

.. . ./.. . .

–

... ...

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 guidelines,

if applicable!

Loaded springs and/or air cushions are potential

hazards!

Disconnect electrical power and compressed air

lines. Do not touch parts under voltage!

Wear gloves!

Read these «Installation, Operating & Maintenance Instructions» and the enclosed «General

Safety Instructions» carefully before you start any other action!

Installation, Operating & Maintenance Instructions

Series 284, DN 16, 25, 40, 63 (ID 5/8”, 1”, 1½”, 2½”)

Series 285, DN 16, 25, 40, 63 (ID 5/8”, 1”, 1½”, 2½”)

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 268249EF

2011-07-14 2/8

Imprint:

VAT Vakuumventile AG, CH-9469 Haag, Switzerland

Manufacturer

Website

www.vatvalve.com

Phone

+41 81 771 61 61

Fax

+41 81 771 48 30

CH@vatvalve.com

Publisher VAT Vakuumventile AG, CH-9469 Haag, Switzerland

Editor VAT Vakuumventile AG, CH-9469 Haag, Switzerland

Print VAT Vakuumventile AG, CH-9469 Haag, Switzerland

No part of these Instructions may be reproduced in any way (photocopies, 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.

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 used for purposes other than those intended nor is it

permitted to make copies of the VAT firmware. In particular, it is strictly forbidden to give

copies of the VAT firmware to other people.

The use of trade names, brand names, trademarks, etc. in these Instructions does not entitle

third parties to consider these names to be unprotected and to use them freely. This is in

accordance with the meaning of the laws and acts covering brand names and trademarks.

Installation, Operating & Maintenance Instructions

Series 284, DN 16, 25, 40, 63 (ID 5/8”, 1”, 1½”, 2½”)

Series 285, DN 16, 25, 40, 63 (ID 5/8”, 1”, 1½”, 2½”)

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 268249EF

2011-07-14 3/8

Contents:

1Use of product .......................................................................................................................................................... 4

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

2Installation................................................................................................................................................................. 5

2.1 Unpacking.......................................................................................................................................................... 5

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

3Operation.................................................................................................................................................................. 5

3.1 Normal operation................................................................................................................................................ 5

3.2 Operation under increased temperature............................................................................................................ 5

4Maintenance & repairs.............................................................................................................................................. 6

4.1 Replacement of vacuum seals........................................................................................................................... 6

4.1.1 Dismantling of "actuator/plate assembly"................................................................................................. 6

4.1.2 Replacement of plate seal ....................................................................................................................... 7

4.1.3 Installation of "actuator/gate assembly"................................................................................................... 7

5Drawing..................................................................................................................................................................... 7

6Spare parts ............................................................................................................................................................... 8

7Warranty................................................................................................................................................................... 8

Installation, Operating & Maintenance Instructions

Series 284, DN 16, 25, 40, 63 (ID 5/8”, 1”, 1½”, 2½”)

Series 285, DN 16, 25, 40, 63 (ID 5/8”, 1”, 1½”, 2½”)

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 268249EF

2011-07-14 4/8

1 Use of product

Use product for clean and dry indoor vacuum applications under the conditions indicated in chapter «Technical data» only!

Other applications are only allowed with the written permission of VAT.

1.1 Technical data for standard valve

Leak rate - body ≤5 .10-10 mbar ls-1

- valve seat ≤1 .10-9 mbar ls-1

Pressure range 1 .10-10 mbar to 5bar, abs

Admissible differential pressure on the plate

in opening direction ≤2bar

in closing direction ≤5bar

Differential pressure at opening ≤1bar in either direction

Admissible temperature: valve body 0 - 150°C

hand wheel 0 - 120°C

Cycles until first service 10’000 (Tmax 80°C; differential pressure max 1bar)

Technical data for valve with specific options according to «product data sheet».

Product data sheet on request.

Installation, Operating & Maintenance Instructions

Series 284, DN 16, 25, 40, 63 (ID 5/8”, 1”, 1½”, 2½”)

Series 285, DN 16, 25, 40, 63 (ID 5/8”, 1”, 1½”, 2½”)

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 268249EF

2011-07-14 5/8

2 Installation

2.1 Unpacking

Before unpacking the valve, make sure that the packaging is in impeccable condition and the valve has not suffered

damage.

Note! The plastic packing material and/or protective covers may only be removed immediately before the valve is

mounted into 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 .ft

16 5/825 6 1 0.8

25 1“ 70 16

3 2.2

40 1½ 100 22 6 4.5

63 2½ 200 45 18 13

A combination of both forces «FA» and «M» is prohibited. Please contact VAT.

3 Operation

3.1 Normal operation

The valve is fully open when the green marking on the spindle is visible.

3.2 Operation under increased temperature

See «1.1 Technical data»

If you need any further information, please contact one of our service centers. You can find the addresses on our website:

http://www.vat.ch

Installation, Operating & Maintenance Instructions

Series 284, DN 16, 25, 40, 63 (ID 5/8”, 1”, 1½”, 2½”)

Series 285, DN 16, 25, 40, 63 (ID 5/8”, 1”, 1½”, 2½”)

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 268249EF

2011-07-14 6/8

4 Maintenance & repairs

Under clean operating conditions, the valve does not require any maintenance during the specified cycle life.

Contamination from the process may influence the function and requires more frequent maintenance.

Before carrying 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 . .

. . . . . – . . . . – . . . . / . . . .

– . . . . . .

Fabrication number

has always to be specified.

All supplies (e. g. compressed air, electrical power) must be disconnected for removal/installation of the valve from/into

the system and for maintenance work.

Even with disconnected supply, loaded springs and/or air cushions in cylinders can be potential hazards.

Keep fingers and objects away from the valve opening!

Products returned to VAT must be free of harmful substances such as e.g. toxical, caustic or microbiological ones. If

products are radioactively contaminated, fill in the VAT form «Contamination and Radiation Report» and send it with the

product. The form is available at VAT. The maximum values indicated in the form must not be exceeded.

4.1 Replacement of vacuum seals

The item numbers in brackets refer to the drawing on page 7

4.1.1 Dismantling of "actuator/plate assembly"

•Untighten and remove screws (60) uniformly and crosswise

•Carefully withdraw "actuator/plate assembly" from valve body

•Remove bonnet seal (62) from groove

Installation, Operating & Maintenance Instructions

Series 284, DN 16, 25, 40, 63 (ID 5/8”, 1”, 1½”, 2½”)

Series 285, DN 16, 25, 40, 63 (ID 5/8”, 1”, 1½”, 2½”)

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 268249EF

2011-07-14 7/8

4.1.2 Replacement of plate seal

•Pick O-ring (61) with a needle and pull it out of groove

Attention: Do not damage the sealing surface!

•Check condition of sealing surface and clean it with alcohol

•Put new O-ring (61) on gate groove and press it into groove, in crosswise order, at 4 locations

•Press whole O-ring uniformly into groove

4.1.3 Installation of "actuator/gate assembly"

•Check condition of sealing surfaces at bonnet and valve seat and clean sealing surfaces with alcohol

•Put bonnet seal (62) into groove

•Carefully insert "actuator/gate assembly". Do not cant!

•Insert all bonnet screws (60) finger tight. Once all screws are finger tight, tighten each screw

1/8th of a turn in a cross wise action using an appropriate torque wrench / allen key. Repeat

the process until all screws are tight taking care not to exceed the maximum torque of

DN 16 25 40 63

Nm 4 4 10 12

•Perform function and leak test

5 Drawing

1) Please make sure that the bonnet seal is mounted like shown.

Installation, Operating & Maintenance Instructions

Series 284, DN 16, 25, 40, 63 (ID 5/8”, 1”, 1½”, 2½”)

Series 285, DN 16, 25, 40, 63 (ID 5/8”, 1”, 1½”, 2½”)

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 268249EF

2011-07-14 8/8

6 Spare parts

Please specify the fabrication number of the valve (see yellow label on valve) when ordering spare parts. This is

to ensure that the appropriate spare parts are supplied.

Item Description

15 Bellows feedthrough

26 Manual actuator complete

30 Handle

61 Plate seal (O-ring)

62 Bonnet seal

7 Warranty

Each product sold by VAT Vakuumventile AG (VAT) is warranted to be free from the manufacturing defects that adversely

affect the normal functioning thereof during the warranty period stated in VAT's «Terms of Sale» immediately following

delivery thereof by VAT, provided that the same is properly operated under conditions of normal use and that regular,

periodic maintenance and service is performed or replacements made, in accordance with the instructions provided by

VAT. The foregoing warranty shall not apply to any product or component that has been repaired or altered by anyone

other than an authorized VAT representative or that has been subject to improper installation or abuse, misuse,

negligence or accident. VAT shall not be liable for 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 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 prompt notice to VAT of any such defect or failure and upon the return of the product, part or component in question

to VAT at its factory, with transportation charges prepaid, and upon VAT's inspection confirming the existence of any

defect inconsistent with said warranty or any such failure, be entitled to have such defect or failure cured at VAT's factory

and at no charge therefor, by replacement or repair of said product, as VAT may elect. VAT MAKES NO WARRANTY OR

REPRESENTATION OF ANY KIND, EXPRESS OR IMPLIED, (INCLUDING NO WARRANTY OR MERCHANTABILITY),

EXCEPT FOR THE FOREGOING WARRANTY AND THE WARRANTY THAT EACH PRODUCT SHALL CONFORM TO

THE DESCRIPTION THEREOF CONTAINED HEREIN, and no warranty shall be implied by law.

Furthermore, the «Terms of sale» at the back of the price list are applicable.

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