2
Printed in Italy - EE162/0704
VML
Slow safety solenoid valve
Class A – Group 2
The VML type valve is a slow opening single-stage
solenoid valve, normally closed.
This type of device is suitable for air or gas blocking and
releasing controls, required in gas power burners,
atmospheric gas boilers, furnaces and others gas
consuming appliances.
The VML type valves are made in accordance with
EN161 standard (EC type examination certificate no.
0063AQ1350).
1- Features
Large range for inlet/outlet connections, from 3/8” to
3" pipes sizing.
Provided with G1/4” pressure gauge on two sides in
the inlet pressure chamber. Others gauge points on
request.
Optional G1/8” connection for closed position
indicator micro switch (on request from 3/4" to 3").
Fine mesh filter incorporated prevents dirty
contamination of the seal seat.
Maximum operating pressure 200 mbar or 360
mbar.
Suitable for air and non-aggressive gases (EN 437,
1, 2 and 3 families).
Easy adjustable flow rate, rapid stroke and opening
time.
Qualified for continuous service (100% ED) and
endless ON/OFF cycles.
Coil insulation is class H (180°C).
Terminal box with PG connector.
The large models are provided with a power saving
electronic device, to reduce power consumption and
working temperature.
Valves are 100% tested by computerized testing
machineries and are fully warranted.
For valve identification see the following charts.
WARNING
-
This control must be installed in compliance with
the laws in force.
-
Read instructions before use.
-
Elettromeccanica Delta S.p.a. reserves the right
to update or make technical changes without
prior notice.
Fig. 1
2- Technical specifications
Connections
……………….. Gas threaded ISO 7/1
from Rp3/8 to Rp2
Flanged PN16 - ISO 7005
DN 40, DN 80
Voltage rating ………………
230 VAC 50/60 Hz
Voltage on request
…………110 VAC 50/60 Hz
Voltage tolerance
…………. -15% / +10%
Power consumption
………. see charts
Environment temperature
… -15°C / +60°C
Max. working pressure
…….200 / 360 mbar
Flow capacity
……………… see charts
Disc sealing …..
……………
NBR
Closing time
………………. < 1 second
Opening time
…………….... adjustable from 4 to 25 s
Protection class
…………… IP 54 (EN 60529)
Cable gland
………………... PG09
Overall dimensions
……….. see charts