Richter NKS-N Series, Инструкция по установке и эксплуатации

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Series NKS-N, NKSP-N
Page 2
9520-021-en
Revision 17
TM 10477 Edition 05/2022
List of Contents
List of Contents ........................................ 2
Relevant documents ................................. 2
1 Technical data ...................................... 3
1.1 Type plate, CE and body markings ............. 3
1.2 Tightening torques ....................................... 4
1.3 Weights (approx. kg) ................................... 4
1.4 Dimensions .................................................. 5
1.5 Flow rate value kv100 [m³/h] ....................... 5
1.6 Pressure-temperature diagram ................... 6
1.7 Residual spring travel and residual spring
forces ...........
Error! Bookmark not defined.
1.8 Actuating torques ........................................ 6
1.9 Cavitation coefficient z for 75% duty ........... 6
2 Notes on safety .................................... 7
2.1 Intended use ................................................ 7
2.2 For the customer / operator ......................... 7
2.3 Improper operation ...................................... 7
3 Safety notes for applications in
potentially explosive areas based on
the Directive 2014/34/ EC (ATEX) ....... 8
3.1 Intended use ................................................ 8
4 Safety note for valves, certified to
Clean Air Act (TA Luft) ........................ 9
5 Transport, storage and disposal ........ 9
5.1 Storage ........................................................ 9
5.2 Transport preparations ................................ 9
5.3 Return consignments .................................. 9
5.4 Transport securing .................................... 10
5.5 Disposal ..................................................... 10
6 Installation .......................................... 11
6.1 Direction of flow and installation position ... 11
6.2 Installation .................................................. 11
6.2.1 Additional advice for shut-off and control
butterfly valve with actuator
11
6.3 Grounding .................................................. 11
7 Operation ............................................ 12
7.1 Initial commissioning .................................. 12
7.2 Improper operation and their consequences .
............................................................... 12
7.3 Shutdown ................................................... 12
7.3.1 Additional advice for shut-off and control
butterfly valve with actuator
12
8 Malfunctions ...................................... 12
9 Maintenance ....................................... 13
9.1 Notes on dismantling ................................. 13
9.1.1 Dismantling of the valve 13
9.2 Notes for assembly .................................... 13
9.2.1 Assembly of the valve 13
9.3 Shut-off element ........................................ 14
9.4 Valve actuation .......................................... 15
9.4.1 Actuated with lever 15
9.4.2 Actuated by means of worm gear 15
9.4.3 Remotely actuated 15
9.4.4 Required breakaway torque 15
9.5 Tests .......................................................... 15
10 Drawings ............................................ 16
10.1 Legend ....................................................... 16
10.2 Anti-blowout stem ...................................... 16
10.3 Sectional drawing NKS-N with lever
assembly DN 50-100 ................................. 17
10.4 Sectional drawing NKS-N with lever
assembly DN 150-350 ............................... 18
10.5 Dimensional drawing NKS-N with lever
assembly .................................................... 19
10.6 Connecting dimensions worm gear ........... 20
10.7 Connecting dimensions actuator ............... 20
Relevant documents
♦
EG-Declaration of conformity
♦
Declaration of conformity FDA & 97/48/EG
♦
Manufacturer Declaration ATEX Directive
2014/34/EU
♦
Manufacturer Declaration TA-Luft
♦
Form for Safety Information Concerning the
Contamination QM 0912-16-2001_en
♦
For NKSP-N operating manual for actuator
On request :
♦
Installation and inspection regulations for centric
shut-off valves of the series NK/NKP, NKL/NKLP,
NKS/NKSP, QM No. 0910-08-1005
♦
Connection dimension for actuator
Dimen. 9520-00-4212