VAT 570 Series Istruzioni per il montaggio

Installation, Operating & Maintenance Instructions

Series 570, DN 63 (2 ½")

VAT Vakuumventile AG, CH-9469 Haag, Switzerland

Tel +41 81 771 61 61 Fax +41 81 771 48 30 [email protected] www.vatvalve.com

604181EA

2013-07-18

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All-Metal Gate Valve

Single acting pneumatic actuator with closing

spring

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

57036- . E11

57036- . E21

57036- . E31

57036- . E41

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

below (or similar):

made in Switzerland

Fabrication No.:

patented

. .

570..–.. .. –..../....

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 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 570, DN 63 (2 ½")

VAT Vakuumventile AG, CH-9469 Haag, Switzerland

Tel +41 81 771 61 61 Fax +41 81 771 48 30 [email protected] www.vatvalve.com

604181EA

2013-07-18

2/14

Imprint:

Manufacturer

VAT Vakuumventile AG, CH-9469 Haag, Switzerland

Website

www.vatvalve.com

Phone

+41 81 771 61 61

Fax

+41 81 771 48 30

[email protected]

Publisher

VAT Vakuumventile AG, CH-9469 Haag, Switzerland

Editor

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 570, DN 63 (2 ½")

VAT Vakuumventile AG, CH-9469 Haag, Switzerland

Tel +41 81 771 61 61 Fax +41 81 771 48 30 [email protected] www.vatvalve.com

604181EA

2013-07-18

3/14

Contents:

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

1.1 Technical data.................................................................................................................................................... 4

2Installation................................................................................................................................................................. 4

2.1 Unpacking .......................................................................................................................................................... 4

2.2 Installation into the system................................................................................................................................. 4

2.3 Connections ....................................................................................................................................................... 5

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

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

3Operation.................................................................................................................................................................. 8

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

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

3.3 Bake out............................................................................................................................................................. 8

3.4 Behavior in case of compressed air pressure drop ............................................................................................ 9

3.5 Behavior in case of power failure ....................................................................................................................... 9

4Trouble shooting ....................................................................................................................................................... 9

5Maintenance & repairs............................................................................................................................................ 10

5.1 Preventive Maintenance................................................................................................................................... 10

6Drawing................................................................................................................................................................... 11

7Spare parts ............................................................................................................................................................. 12

8Warranty ................................................................................................................................................................. 14

Installation, Operating & Maintenance Instructions

Series 570, DN 63 (2 ½")

VAT Vakuumventile AG, CH-9469 Haag, Switzerland

Tel +41 81 771 61 61 Fax +41 81 771 48 30 [email protected] www.vatvalve.com

604181EA

2013-07-18

4/14

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

Pressure range extreme UHV to 5 bar (abs)

Differential pressure on the gate 5 bar in either direction

Max. differential pressure at opening 1 bar ( 1bar with reduced cyclelife)

Admissible temperature: Valve body

-open 450°C

-closed 350°C

Pneumatic actuator 150°C / option: radiation resistant E6Gy 140°C (for max.100h)

Position indicator 80°C (option: 200°C)

Solenoid 80°C

Position indicator: Contact rating ≤ 50 V AC / DC; ≤ 1.2 A (80°C version)

≤ 50 V AC / DC; ≤ 1 A (200°C version)

Solenoid see tag on solenoid

Further data according to VAT catalogue «Vacuum Valves 2008»

2 Installation

2.1 Unpacking

Be carefull during opening the boxes and nylon bag, do not contaminate the valve.

Pay attention that valve and flanges are not damaged when the valve is lifted out of the box and handled

afterwards.

2.2 Installation into the system

The valve must not support other components and has to be protected from forces of the system (e.g. by bellows

sections).

Installation, Operating & Maintenance Instructions

Series 570, DN 63 (2 ½")

VAT Vakuumventile AG, CH-9469 Haag, Switzerland

Tel +41 81 771 61 61 Fax +41 81 771 48 30 [email protected] www.vatvalve.com

604181EA

2013-07-18

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2.3 Connections

2.3.1 Compressed air connection

Connect compressed air and electrical power only if

- valve is installed into the vacuum system

- moving parts cannot be touched

Attention: Check if the circlip connecting the lid to the cylinder is in the proper position.

Connection: internal thread R 1/8“ (1/8“ NPT for USA)

Connection for compressed air supply:

Compressed air pressure (min. - max. overpressure): 6 - 9 bar / 85 - 130 psig

Use only clean, dry or slightly lubricated air!

Without solenoid

Connection «open» for air supply

With solenoid

Connection «1» for air supply, connections «3» for exhaust

Installation, Operating & Maintenance Instructions

Series 570, DN 63 (2 ½")

VAT Vakuumventile AG, CH-9469 Haag, Switzerland

Tel +41 81 771 61 61 Fax +41 81 771 48 30 [email protected] www.vatvalve.com

604181EA

2013-07-18

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2.3.2 Electrical connection

Do not touch electrical parts under voltage!

Connect electrical power only if

- valve is installed into the vacuum system

- moving parts cannot be touched

Verify that mains voltage matches voltage stated on the solenoid!

Socket for position indicator and solenoid are supplied with the valve.

Wiring diagrams:

Solenoid

power

MV = coil of solenoid

Position indicators for max. 80°C contact rating ≤ 50 V AC / DC; ≤ 1.2 A

Standard position indicator

with make contact switches

Double position indicator

with make contact switches - two each (option)

Lo = position indicator «open»

Lg = position indicator «closed»

Lo = position indicator «open»

Lg = position indicator «closed»

Position indicator with double throw switches

(option)

Double position indicator with double throw

switches - two each (option)

Lo = position indicator «open»

Lg = position indicator «closed»

Lo = position indicator «open»

Lg = position indicator «closed»

Installation, Operating & Maintenance Instructions

Series 570, DN 63 (2 ½")

VAT Vakuumventile AG, CH-9469 Haag, Switzerland

Tel +41 81 771 61 61 Fax +41 81 771 48 30 [email protected] www.vatvalve.com

604181EA

2013-07-18

7/14

Position indicator for max. 80°C contact rating ≤ 50 V AC / DC; ≤ 1.2 A

Position indicator radiation resistant 10E6Gy with make contact switches

Lo = position indicator «open»

Lg = position indicator «closed»

Position indicators for max. 200°C contact rating ≤ 50 V AC / DC; ≤ 1 A

Single position indicator with double throw switches

(option)

Double position indicator with double throw

switches (option)

Lo = position indicator «open»

Lg = position indicator «closed»

Lo = position indicator «open»

Lg = position indicator «closed»

Position indicator for max. 80°C contact rating ≤ 50 V AC / DC; ≤ 1.2 A

Common plug for pos. indicator and solenoid, pos. indicator with make contact switches (option)

power

Lo = position indicator «open»

Lg = position indicator «closed»

Installation, Operating & Maintenance Instructions

Series 570, DN 63 (2 ½")

VAT Vakuumventile AG, CH-9469 Haag, Switzerland

Tel +41 81 771 61 61 Fax +41 81 771 48 30 [email protected] www.vatvalve.com

604181EA

2013-07-18

8/14

3 Operation

3.1 Normal operation

Opening of closed valve

- without solenoid:

air supply to connection plate

- with solenoid:

supply specified control voltage to the coil

Closing of open valve

- without solenoid:

air release through connection plate

- with solenoid:

release control voltage

Attention! Acertain that the circlip connecting the lid to the cylinder is correctly in place. Even with disconnected supply,

loaded springs and/or air cushions in cylinders can be potential hazards.

3.2 Operation under increased temperature

See «1.1 Technical data»

3.3 Bake out

Valve: 450°C in open position / 350°C in closed position

Actuator: 150°/ option: radiation resistant E6Gy 140°C (for max.100h)

Position indicator: 80°C (option: 200°C)

Solenoid 80°C

Heating and cooling rate: 60°C/h

Operate the valve only after the bake-out temperature has been stable for two hours. If actuation during bake-out is

required, the heating and cooling rate from 200°C to 450°C must not exceed 30°C/h.

Temperature differences exceeding 30°C throughout the valve are not allowed. They may affect the performance of the

valve.

Installation, Operating & Maintenance Instructions

Series 570, DN 63 (2 ½")

VAT Vakuumventile AG, CH-9469 Haag, Switzerland

Tel +41 81 771 61 61 Fax +41 81 771 48 30 [email protected] www.vatvalve.com

604181EA

2013-07-18

9/14

3.4 Behavior in case of compressed air pressure drop

Valve closed: valve remains closed and leaktight

Valve open: valve closes

3.5 Behavior in case of power failure

solenoid: Valve closed: valve remains closed and leaktight

Valve open: valve closes

Emergency operation at power failure

Solenoid is provided with a slotted screw to operate the valve in case of a power failure (with compressed air available)

Standard solenoid

To close the valve:

Turn the slotted screw counter-clockwise to its stop

To open the valve:

Turn the slotted screw clockwise to its stop

For remote operation make sure that the slotted screw is turned

counter-clockwise to its stop.

4 Trouble shooting

Failure

Check

Action

Valve mechanism does not move

Power available?

Check voltage!

Compressed air available

Check air pressure!

Slotted screw of solenoid in proper

position?

Check slotted screw!

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 570, DN 63 (2 ½")

VAT Vakuumventile AG, CH-9469 Haag, Switzerland

Tel +41 81 771 61 61 Fax +41 81 771 48 30 [email protected] www.vatvalve.com

604181EA

2013-07-18

10/14

5 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

. .

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

A – . . . . . .

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.

5.1 Preventive Maintenance

Instruction how to change the VATRING (Don’t touch inside valve parts without gloves)

Item number refer to the drawing on page 10.

- Open the valve and remove the bonnet screws (Pos.69).

- Remove valve insert and bonnet seal (Pos.36/2).

- When opening or tightening screw (Pos.67) the bellows must be protected against turning (torsion) shown on

the next page.

- Remove VATRING.

- Take a lint free tissue dabbed with alcohol and clean all sealing surfaces (plate, bonnet, body seat and VATRING).

- Check sealing surfaces (visually) for scratches.

- Clean VATRING and plate with clean and dry compressed air.

- Place VATRING on sealing surface of the plate.

- Align VATRING parallel with the frontal of the plate.

- Place holding ring on top of plate.

- Insert screw (Pos.67), protect bellow against turning, tighten screw (torque see list).

- Place new bonnet seal (fig.36/2) exactly like shown on next page (fitting position)!

- Put valve insert back into valve body and tighten bonnet screws in crosswise order (torque see list).

closing torque of screw with venting hole (pos. 67)

15 Nm

closing torque of bonnet screw (pos. 69)

15 Nm

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