Safety Valves User Manual

Series LPV-A/F, LPV-D/F Seite 2
9530-060-en Revision 01
TM 7464 Edition 02/2009
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 Component identification ............................ 4
1.3 Screw-in tools for seats ............................... 4
1.4 Tightening torques ....................................... 4
1.5 P r es s u r e- t em p e r at u re - d ia gr a m . . .. . .. .. . .. . .. . .. . 4
2 Notes on safety 6
2.1 Intended use ................................................ 6
2.2 For the customer / operator ......................... 6
2.3 Improper operation ...................................... 6
3 Safety notes for applications in
potentially explosive areas based on
the Directive 94/9/ EC (Atex 95) 7
3.1 Intended use ................................................ 7
4 Safety note for valves, certified to
Clean Air Act (TA-Luft) 8
5 Transport, storage and disposal 8
5.1 S t o r a g e . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
5.2 Return consignments .................................. 8
5.3 D i s p o s a l . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
6 Installation 9
6.1 Sizing of the outlet line ................................ 9
6.2 Sizing of the outlet line ................................ 9
6.2.1 Admissible back pressure 9
6.2.2 Drainage of condensate 9
6.2.3 Discharge conditions and reaction forces 10
6.3 Valve connecting dimensions .................... 10
6.4 Flange caps and gaskets ........................... 10
6.5 W e i g h t s . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 0
6.6 Direction of flow and installation position .. 10
6.7 Grounding .................................................. 10
7 Operation 11
7.1 Initial commissioning .................................. 11
7.2 S hu t do wn . .. . .. . .. . .. . .. . .. . .. . .. . .. .. . .. . .. . .. . .. . .. . .. . .. . 1 1
7.3 Recommissioning ...................................... 11
7.4 Improper operation and their consequences
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 1
8 Malfunctions 12
9 Maintenance 12
9.1 S c r e w c o n n e c t i o n s . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 2
9.2 C l e a n i n g . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 2
9.3 Modification of the low-pressure safety valve
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 2
9.4 Changing the test gauge pressure ............. 13
9.5 Replacement of components ..................... 13
9.5.1 Subassembly shut-off element 13
9.5.2 Dismantling of the plug 13
9.5.3 Dismantling of the seat 13
9.5.4 Installation of the seat 13
9.5.5 Installation of the plug 13
9.6 T ests ..... ...... ...... ..... ...... ..... ...... ..... ...... ..... ... 14
9.6.1 Stroke 14
9.6.2 Test pressure 14
10 Drawings 14
10.1 L e g e n d . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 4
10.2 Dimension drawing stroke control . . . . . . . . . . . . . . 1 5
10.3 Sectional drawing LPV-A/F ........................ 15
10.4 Sectional drawing LPV-d/F ........................ 16
10.5 Dimensional drawing LPV-A/F ................... 17
10.6 Dimensional drawing LPV-D/F ................... 18
Relevant documents
 Data sheet
 Declaration of conformity
 Form for Safety Information Concerning the
Contamination QM 0912-16-2001_en
 Drawing of weights 9530-00-4070
On request:
 VDTÜV data sheet "Safety valve 100" in German
 VdTÜV data sheet "Certified Chemical Safety
Valves 1058" in German