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ELEKTROGAS – TECHNICAL MANUAL 

 9-12 

 

 

 

Standards and 
approvals 

The  valve  design  meets  current  European  approval  requirements  regarding  safety  shut-off 
functions on gaseous fuels. 

 

These products conform with the Pressure Equipment Directive (97/23/EC) and the certification 
has been issued by the notified body: 

 

C.S.I. Spa

 

 

 

Viale Lombardia 20  

 

I-20021 Bollate (MI) 
 
 
 
 
 
 
The following standards/technical specifications have been fulfilled: 
 

Electromagnetic Compatibility (89/336/EC) 

Low Voltage Directive (73/23/EC) 

 
 
 
 
Quality Management System is certified according to UNI EN ISO 9001 and the monitoring is 
carried out by the notified body: 
 
Kiwa Gastec Italia Spa. 
Via Treviso, 32/34 
I- 31020 San Vendemiano (TV) 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 

Содержание EVRM-6NA

Страница 1: ...elektrogas com EVRM NA EVRM 6NA Safety solenoid valves for gas Manual reset Normally open DN10 DN200 EE167 0510...

Страница 2: ...ed in the 1 2 and 3 families EN 437 Two range of operating pressure low pressure 0 600 mbar and medium pressure 0 6 bar The valves are normally not powered allowing a remarkable energy saving An incor...

Страница 3: ...f the presence of gas the valve remains under power and does not allow reset When the causes for locking have been eliminated valve must be opened manually Fig 1 The 6NA versions are provided with a d...

Страница 4: ...th Ex proof marking for use in Zone 2 according to 94 9 EC Directive ATEX Technical specifications Tab 1 Connections Gas threaded ISO 7 1 from Rp3 8 to Rp2 Flanged PN16 ISO 7005 from DN40 to DN200 Vol...

Страница 5: ...6 9 5 85 96 138 165 0 8 Rp 1 16 12 0 85 96 138 165 0 8 Rp 11 4 16 20 0 120 153 170 203 1 6 Rp 11 2 16 26 0 120 153 170 203 1 6 Rp 2 16 40 0 106 156 175 213 1 9 DN 40 1 16 26 0 150 193 170 245 110 4x18...

Страница 6: ...AIR GAS V k V Gas flow chart Pressure drop Fig 4 Formula of conversion from air to other gases Tab 3 15 C 1013 mbar dry Gas type Specific gravity Kg m GAS k 25 1 Air 1 25 1 00 Natural gas 0 80 1 25 T...

Страница 7: ...ce with the characteristic Kvs value which is shown in table 2 The selection of the valve requires the calculation of the Kv under the operating conditions Considering only subcritical pressure drops...

Страница 8: ...6F DN 50 1 B C GW H HW 110 VAC 24 VDC 12 VDC EVRMNA7 EVRM6NA7 DN 65 EVRMNA8 EVRM6NA8 DN 80 EVRMNA9 EVRM6NA9 DN 100 EVRMNA93 EVRM6NA93 DN 125 EVRMNA95 EVRM6NA95 DN 150 EVRMNA98 DN 200 B _ G H _ 1 Optio...

Страница 9: ...EC and the certification has been issued by the notified body C S I Spa Viale Lombardia 20 I 20021 Bollate MI The following standards technical specifications have been fulfilled Electromagnetic Compa...

Страница 10: ...move the end caps and make sure no foreign body is entered into the valve during handling THREADED MODELS Put sealing agent onto the pipe thread Avoid excessive quantities which could enter in the val...

Страница 11: ...cording to printed designation Pull back the cable and insert the terminal block into the housing Screw back the gland nut make sure that the grommet is locked on the cable Insert the screw and gasket...

Страница 12: ...ing If necessary replace them Remove the spring and blow it with compressed air Check the spring is corrosion free Clean the disc assembly with a clean cloth and compressed air Grease the rod O ring C...

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