790 UHV Beam Stopper - Installation, Operating & Maintenance Instructions Series 79, DN 63-200

Sep 26, 2026

Installation, Operating & Maintenance Instructions for the VAT Beamstopper (with water cooling) using a pneumatic actuator, valid for specified valve ordering numbers 79036, 79040, 79044 and 79046 with E14/24/34/44 configurations. Includes safety symbol explanations and guidance to disconnect electrical power and compressed air, keep body parts away from the valve opening, handle hot surfaces, and manage hazards from loaded springs and/or air cushions. Provides contents covering product use, technical data, installation steps, connections for compressed air/electrical/cooling water, operation modes, bake out procedures, and troubleshooting.

LanguageEnglish

CategoryTechnology

FormatPDF

Pages12

Reading Time30 min

AccessFree to download

Use of product

Technical data

Installation

Unpacking

Installation into the system

Connections

Compressed air connection

Electrical connection

Cooling water connection

Operation

Normal operation

Operation under increased temperature

Bake out

Behavior in case of compressed air pressure drop

Behavior in case of power failure

Trouble shooting

Installation, Operating & Maintenance Instructions Series 79, DN 63-200 (I.D. 2½" -8") | Beamstopper (with water cooling) with pneumatic actuator
This manual is valid for the valve ordering number(s):
79036- . E14/24/34/44
79040- . E14/24/34/44
79044- . E14/24/34/44
79046- . E14/24/34/44
The fabrication number is indicated on each product as per the label below (or similar): | | | | | | | --- | --- | --- | --- | --- | --- | |
| | | 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 airlines. 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! | | | | | | | | | | | | | VAT Vakuumventile AG, CH-9469 Haag, Switzerland 277482EC 1/12 Tel +41 81 771 61 61 Fax +41 81 771 48 30 [CH@vatvalve.com](CH@vatvalve.com) [www.vatvalve.com](www.vatvalve.com 2009-03-05)[ 2009-03-05](www.vatvalve.com 2009-03-05) Installation, Operating & Maintenance Instructions Series 79, DN 63-200 (I.D. 2½" -8") | Imprint:
Manufacturer | VAT Vakuumventile AG, CH-9469 Haag, Switzerland | | | | | --- | --- | --- | --- | --- | | | Website
[www.vatvalve.com](www.vatvalve.com) | Phone
+41 81 771 61 61 | Fax
+41 81 771 48 30 | Email
[CH@vatvalve.com](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 | | | | | Copyright | © VAT Vakuumventile AG 2008
No part of these Instructions may be reproduced in any way (photocopies, microfilms or anyother 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](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. | | | | VAT Vakuumventile AG, CH-9469 Haag, Switzerland 277482EC 2/12 Tel +41 81 771 61 61 Fax +41 81 771 48 30 [CH@vatvalve.com](CH@vatvalve.com) [www.vatvalve.com](www.vatvalve.com 2009-03-05)[ 2009-03-05](www.vatvalve.com 2009-03-05) Installation, Operating & Maintenance Instructions Series 79, DN 63-200 (I.D. 2½" -8") Contents: 1 Use of product .......................................................................................................................................................... 4 1.1 Technical data.................................................................................................................................................... 4 2 Installation................................................................................................................................................................. 4 2.1 Unpacking ..........................................................................................................

FAQs

Which valve ordering numbers are covered by this manual for the Beamstopper with water cooling and pneumatic actuator?

The manual is valid for ordering numbers 79036, 79040, 79044, and 79046, each with configurations E14/24/34/44.

What key safety actions are emphasized before starting work?

Read the installation and the enclosed general safety instructions carefully, and follow symbol warnings such as disconnecting electrical power and compressed airlines, keeping body parts and objects away from the valve opening, and not touching parts under voltage.

What connection types and operational conditions are addressed in the instructions?

The contents include compressed air connection, electrical connection, and cooling water connection, and operation sections covering normal operation, increased temperature, bake out, compressed air pressure drop behavior, and power failure behavior.

Sep 26, 2026

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