Printed in Italy - EE167/0105
EVRM-NA
Safety solenoid valves for gas Manual reset - Normally open DN10 … DN200
EVRM-NA6 / EVRM-NA9
Certified Quality System
www.elektrogas.com
Page 1: ...Printed in Italy EE167 0105 EVRM NA Safety solenoid valves for gas Manual reset Normally open DN10 DN200 EVRM NA6 EVRM NA9 Certified Quality System www elektrogas com ...
Page 2: ...vent dirty contamination of the seal seat except brass models Maximum operating pressure 500 mbar Suitable for air and non aggressive gases EN 437 1 2 and 3 families Coil insulation is class H 180 C Terminals with DIN 43650 plug and PG connector Valves are 100 tested by computerized testing machineries and are fully warranted For valve identification see the following charts WARNING This control m...
Page 3: ...min max adjustable pressure switches leakage tester or other gas equipments Flanged models are provided with gauges in the outlet chamber too Brass models are available without gauges only On request valves are supplied with a G1 8 connection on the bottom to installed a closed position indicator micro switch from 3 4 to 8 An adapting rod is provided too 5 Coil features Coil and DIN plug are provi...
Page 4: ...MNA7D DN 80 EVRMNA8A EVRMNA8B EVRMNA8C EVRMNA8D DN 100 EVRMNA9A EVRMNA9B EVRMNA9C EVRMNA9D DN 125 EVRMNA93A EVRMNA93B EVRMNA93C EVRMNA93D DN 150 EVRMNA95A EVRMN95B EVRMNA95C EVRMNA95D DN 200 EVRMNA98A EVRMN98B EVRMNA98C EVRMNA98D Fig 3 Connections Overall dimensions mm Model Threaded Flanged Max Pressure mbar Power Consump 230VAC W A B C D Int h Weight Kg EVRMNA0 O Rp 3 8 500 16 30 58 115 130 0 4 ...
Page 5: ...tural gas Town gas Air V m h 1 3 4 OT 3 8 OT 1 2 OT 1 OT 1 2 3 8 3 4 1 2 1 DN 200 Liquid gas 8 Loss of pressure Formula of conversion from air to other gases 15 C 1013 mbar dry Gas type Specific gravity Kg m K Air 1 25 1 00 Natural Gas 0 80 1 25 Town Gas 0 57 1 48 Liquid Gas 2 08 0 77 ...
Page 6: ... 225 85 Rp1 340 125 Rp1 475 160 Rp1 DN40 610 200 50 Rp2 DN50 1100 250 50 DN65 1600 50 DN80 2400 50 DN100 5000 80 DN125 6000 160 DN150 7600 160 DN200 7600 160 Fig 4 Valve may be mounted with coil in horizontal or vertical position Coil may be oriented 360 degrees in any direction 10 Electrical connections IEC 730 1 Check correspondence between valve voltage rating and line power supply before makin...
Page 7: ... Do not use tools because a lip damage could result 10 Remove the filter and blow it with compressed air 11 Reassemble the valve following the inverse sequence Flanged models 1 Close ball valve upstream the system 2 Unscrew the knob 3 Using an Allen key remove the screws on the upper flange in cross way The gas in the valve will come out during this step 4 Check the main O ring and the rod O ring ...
