BRAHMA EG25 Series Manual

Solenoid gas valves with 3/4” and 1” connections and operating pressure up to 500 mbar

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EG25* ... EG30* ... SERIES
SOLENOID GAS VALVES WITH 3/4" AND
1"
CONNECTIONS
PRESSURE UP TO 500 mbar
2708_r04
AND
OPERATING

GENERAL DESCRIPTION

This series of solenoid valves are of normally closed type,
suitable for civil and industrial applications, supplied with
alternate or direct current and inclusive of inside rectification
circuit which permitted to make actions as silent as possible;
a wire-net filter on the inlet avoids the entrance of dirt
of > 1 mm.
There is the possibility to have a fast opening or a slow
opening valve (obtained by special hydraulic shock-
absorber), with flow adjustment and fast opening initial flow
adjustment.
All versions can be connected with suitable fixing brackets,
provided with by-pass solenoid valves and pressure plugs
upstream and downstream.
Gas valves of this series, conforming to EN161, have a CE
type Certificate (CE Reg. N° 63AQ0626) in accordance to
European Directives 90/396 and 93/68.
− EC- type certification in accordance with the new
European Gas Appliances Regulation (EU) 2016/426
(GAR);
− conformity to EC Low-voltage directive 2014/35/EU

TECHNICAL FEATURES

Class:
Group:
Supply voltage (1):
Operating temperature:
Closing time:
Opening time:
Protection degree:
Mounting:
Body:
Core hitch:
(1) Versions with different supply voltages are available.
A
2
230 Vac / 50-60 Hz
110 Vac / 50-60 Hz
-10°C / +60°C
 1s
 1s (quick opening
versions only)
GMO IP54
GFD IP54
vertical and horizontal
die-cast aluminium
PG9
1/6

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Summary of Contents for BRAHMA EG25 Series

  • Page 1 EG25* ... EG30* ... SERIES SOLENOID GAS VALVES WITH 3/4” AND GENERAL DESCRIPTION This series of solenoid valves are of normally closed type, 1” CONNECTIONS OPERATING suitable for civil and industrial applications, supplied with PRESSURE UP TO 500 mbar alternate or direct current and inclusive of inside rectification circuit which permitted to make actions as silent as possible;...
  • Page 2 DIRECTIONS FOR INSTALLATION AND MAINTENANCE SOLENOID VALVES CONNECTIONS • It is possible to connect two valves with two fixing brackets This valve is a safety appliance and should not be and an O-ring to guarantee the sealing. The whole system is modified.
  • Page 3 DIRECTIONS FOR EG25*L... AND EG30*L... VALVES DIRECTIONS FOR EG25*SR... AND EG30*SR... VALVES ADJUSTMENT ADJUSTMENT Flow adjustment Flow adjustment To adjust the gas flow, you have to remove one of the two After removing protection rotating screws used to fasten the lag group (the not enamelled one, counterclockwise, rotate clockwise the screw marked with 1 marked with 4 in Fig.
  • Page 4 OVERALL DIMENSIONS EG25*.3*GFD See note below EG25*S.3*GMO EG25*SR.3*GMO EG25*L.3*GMO EG25*.1*GFD See note below EG25*SR.1*GMO EG25*L.1*GMO EG25*S.1*GMO EG30*SR.5*GMO EG30*L.5*GMO EG30*S.5*GMO EG30*GFD See note below EG30*SR.2*GMO EG30*L.2*GMO EG30*S.2*GMO Note: “GFD” and “GMO” connections don’t affect the gas valve’s overall dimensions, which remain the same.
  • Page 5 DIAGRAM PRESSURE DROP mbar FLOW RATE A : Standard flow rate m /h of NATURAL GAS relative density 0.554 B : Standard flow rate m /h of LPG relative density 1.54 C : Standard flow rate m /h of TOWN GAS relative density 0.411 D : Standard flow rate m /h of AIR relative density 1 2708_r04...
  • Page 6 The device contains electronic components and cannot therefore be disposed of as normal household waste. For the disposal procedure, please refer to the local rules in force for special waste. ATTENTION --> Company Brahma S.p.A. declines any responsibility for any damage resulting from Customer tampering with the device. BRAHMA S.p.A.

This manual is also suitable for:

Eg30 seriesEg25 l seriesEg30 l seriesEg25 s.3 gmo seriesEg25 sr.3 gmo seriesEg25 l.3 gmo series ... Show all

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