Rev. 0040201000 1617 englisch
page 2-1
BR 015 - ZIVA
®
-G
BR 013 - GESA
®
BR 012 - ZESA
®
BR 014 - ZIVA
®
-Z
Operating and installation instructions
Butterfly valves
1.0 General information on operating
instructions .................................................. 2-2
2.0 Notes on possible dangers........................2-2
2.1 Significance of symbols ...................................... 2-2
2.2 Explanatory notes on safety information ............. 2-2
3.0 Storage and transport ............................... 2-2
4.0 Description.................................................. 2-3
4.1 Scope of applications ......................................... 2-3
4.2 Operating principles ............................................ 2-3
4.3 Diagram - assembly ............................................ 2-4
4.4 Technical data - remarks ..................................... 2-6
4.5 Marking ............................................................... 2-6
5.0 Installation................................................... 2-7
5.1 General remarks on installation .......................... 2-7
5.2 Installation of accessories ................................... 2-7
5.3 Conversion from notch lever to lock lever ........... 2-8
5.4 Retrofitting the THErmo-Appliance
(ZESA
®
THEA / GESA
®
THEA) ............................ 2-9
5.5 Converting or retrofitting lever
(ZIVA
®
-Z / ZIVA
®
-G).......................................... 2-10
5.6 Installation instructions for mounting in pipe
systems .............................................................2-11
6.0 Putting the valve into operation ............. 2-12
7.0 Care and maintenance............................. 2-12
7.1 Changing seat and O-ring seal
(ZIVA
®
-Z / ZIVA
®
-G).......................................... 2-13
7.2 Tightening torques............................................. 2-14
7.2.1 Bolt material A4-70
2-14
7.2.2 Bolt material 4.6 - ARI-Data sheet
(acc. to EN1515-1) ...................................... 2-15
7.2.3 Bolt material 5.6 - acc. to EN1515-4 ........... 2-15
8.0 Troubleshooting ....................................... 2-16
9.0 Troubleshooting table ............................. 2-16
10.0 Dismantling the valve or the top part .. 2-17
11.0 Regional Standards................................ 2-17
12.0 Warranty / Guarantee ............................. 2-17
Contents