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Operation and Installation Manual Ball Valves Postfach (PLZ 32503) 100 341 ■ Oberbecksener Str. 78 ■ D-32547 Bad Oeynhausen ■ Telefon (05731) 7900-0 ■ Telefax (05731) 7900-199 ■ http://www.end.de

© by END-Armaturen GmbH & Co. KG All rights reserved. END-Armaturen GmbH & Co. KG claims copyright over this documentation. This documentation may neither be altered, expanded , reproduced nor passed to third parties without the written agreement of END-Armaturen GmbH & Co. KG . This restriction also applies to the corresponding drawings. END-Armaturen GmbH & Co. KG has the right or change parts of the valves and armatures at any time without prior or direct notice to the client. The contents of this publication are subject to change without notice. This publication has been written with...

2.5 Symbols and their signification 6 3.1.1 Safety advices for mounting 7 3.1.2 Safety advice for adjustment/starting 7 3.1.3 Safety advice for maintaining / repairing 8 5.4.1 Mounting with threaded connection 12 5.4.2 Mounting with welded connection 13 5.4.2.1 Disassembly of the center part of the ball valve 13 5.4.2.2 Welding of the connection ends 14 5.4.2.3 Mounting of the center part 15 5.4.3 Mounting with flanged connection 16 5.5.2 Exchange of the ball and the sealing 19 5.5.2.1 3-part ball valve with threaded or welded connection 19 5.5.2.2 Multiple part ball valve with flanged...

Foreword 1 Foreword Dear customer, Dear assembler / user, these operation and installation manuals are intended to give you the knowledge, which is necessary for you to be able to carry out the mounting and adjustment of the ball valves rapaidly and correctly. Please read these instructions carefully and pay particular attention to the advice and warning notes. Only instructed and qualified mechanician should mount, adjust or maintain the ball valves. If you have any questions in relation to the ball valves we shall be pleased to answer them. The telephone number will be found on the inside...

General advice 2.1 Validity These mounting and installation manual is valid for the standard version of the ball valves. 2.2 Inward monitoring Please check • directly after delivery the ball valves for any transport damages and defi- ciencies. • with reference to the accompanying delivery note the number of parts. Do not leave any parts in the package. 2.3 Complaints Claims for replacement or goods which relate to transport damage can only be considered valid if the delivery company is notified without delay. In case of returns (because of transport damage / repairs), please make a damage...

Symbols and their signification 2.5 Symbols and their signification Paragraphs which are identified with this symbol contain very important advices; this also includes advices for averting health risks. Observe these paragraphs without fail! Paragraphs which are identified with this symbol contain very important advices, this also includes how to avoid damage to property. Observe these papgraphs without fail! This symbol indicates paragraphs which contain comments / advices or tips. This spanner identifies the description of actions which you should carry out.

Safety advice Depending on the technical circumstances and the time under and at which the armatures and valves are mounted, adjusted and commissioned, you must take into account particular safety aspects in each case! If, for example, a pneumatic actuator works a slide in an operational chemical plant, the potential hazards of commissioning have another dimension from that when this is only being carried out for test purposes an a „dry“ part of the plant in the assembly room! Since we do not know the circumstances at the time of the mounting/adjustment/commissioning, you may find advices...

Safety advice If necessary, set up warning signs in order to prevent the inadvertent starting up or shutting down of the device / machine / plant.! By ending the adjustment check the correct function and should the occasion arise the position of the slide / valve / flap. Check the function of the limit switches (option)! Check, whether the slide / valve / flap will be closed totally, if the control signals the appropriate limit stop! Through suitable measures, prevent links being trapped by moving actuating elements! Check the right function of all safety devices (for example emergency push...

Safety Advice If you ascertain a damage of the armature/valve, isolate the device from the mains. Please observe the safefy advices. Do not mount, start or adjust the armature/valve if itself, the pipes or a mounted actuator will be damaged. After the maintenance or repair check the right function of the armature/valve and the tightness of the pipe connections. Also check the function of the accessories e.g. actuators, limit switches, etc. Device safety The armatures/valves • are quality products which are produced in accordance to the recognized industrial regulations. • eft the...

Name-plate 4 Name-plate In some cases the armatures/valves will be provided with a name- plate, which permitts a definite identification of the armatures/valves and shows the most important technical data to you. The name-plate should not be displaced or changed omation GmbH & Co. KG Bad Oeynhausen 1 - 7901-0 www.end.de 22050 END-Armaturen GmbH & Co. KG D-32547 Bad Oeynhausen +49 (0)5731 - 7901-0 www.end.de Art. No.: AE311028 Serial: 220885 Pressure range (PS): 16 bar Pilot pressure: - bar Temperature range (TS): -20°C ... +180°C Size (DN): 50 / G2" Testing pressure (PT): 60 bar Fluidgroup:...

Ball valves 5.1 General Before you are mount, adjust, start, operate or disassemble a ball valve you have to read the Safety advices If you have not read the safety advices until now, read this important advices now and turn back to this point. Ball valves will be used to cut off medium flow. It should only be used clean liquids and gases, on which the material of the ball valve will be resistant. Pollution or using outside the nominal pressure range and/or the nominal temperature range should causes damages on the armature especially on the seals. In some cases you have to install an...