Richter NKP Series Butterfly Valves - Manual (Page 2)

Series NKL, NKLP, NKS, NKSP, NK, NKP
Page 2
9520-070-en Revision 04
TM 7113 Edition 05/2008
List of Contents
List of Contents 2
Relevant documents 2
1 Technical data 3
1.1 Type code.................................................... 3
1.2 Name plate, CE and body markings ........... 4
1.3 Tightening torques....................................... 5
1.4 Dimensions.................................................. 6
1.5 Flow rate value kv [m³/h] ............................ 6
1.6 Weights (ca. kg) ......................................... 6
1.7 Pressure-temperature-diagram ................... 7
1.8 Breakaway torques...................................... 7
1.9 Cavitation coefficient z for 75% duty ........... 7
2 Notes of safety 8
2.1 Intended use................................................ 8
2.2 For the customer / operator......................... 8
2.3 Improper operation ...................................... 8
3 Safety notes for applications in
potentially explosive areas based on
the Directive 94/9/ EC (Atex 95)
9
3.1 Intended use................................................ 9
4 Safety note for valves, certified to
Clean Air Act (TA-Luft) 10
5 Transport, storage and disposal 10
5.1 Storage ...................................................... 10
5.2 Transport preparations .............................. 10
5.3 Return consignments ................................ 10
5.4 Transport securing device ......................... 10
5.5 Disposal..................................................... 11
6 Installation 11
6.1 Installation possibilities.............................. 11
6.2 Flange caps and gaskets .......................... 11
6.3 Direction of flow and installation position..11
6.4 Installation..................................................11
6.4.1 Additional advice for shut-off and control
butterfly valve with actuator
12
6.5 Earthing......................................................12
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 13
9 Maintenance 13
9.1 Notes for assembly ....................................13
9.1.1 Safety stuffing box: 14
9.2 Valve actuation ..........................................14
9.2.1 Actuated with lever 14
9.2.2 Actuated by means of worm gear 14
9.2.3 Remotely actuated 14
9.2.4 Required breakaway torque 14
9.3 Options.......................................................14
9.3.1 Safety stauffing box 14
9.3.2 Monitoring connection 14
9.3.3 Proximity switch 15
9.4 Tests ..........................................................15
10 Drawings 15
10.1 Legend .......................................................15
10.2 Safety stuffing box (Option) .......................15
10.3 Sectional and dimensional drawing NKL ...16
10.4 Sectional and dimensional drawing NKS...17
10.5 Sectional and dimensional drawing NK .....18
10.6 Connecting dimensions worm gear ...........19
10.7 Section Antrieb ..........................................19
10.8 Dimensional drawing NKLP .......................20
10.9 Dimensional drawing NKSP ......................21
10.10 Dimensional drawing NKP ....................22
Relevant documents
Declaration of conformity acc. to the EC Pressure
Equipment Directive 97/23/EG
Form for Safety Information Concerning the Con-
tamination QM 0912-16-2001_en
For NKLP, NKSP or NKP 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
Change from manual operationto power operation
Dimen. 9520-00-4212