60
Solenoid Safety Valves
For fuel oil EL, L, M, S according to DIN 51603
TECHNICAL DATA
Function
2/2 electromagnetic safety shut-off valve and rapid action device actuated in oil-firing
equipment according to DIN 32725 (DIN EN 264). TÜV tested. Used as well in connec-
tion with atomizing oil burners according to DIN 4787 and oil firing systems with steam
boilers according to TRD 411.
Port sizes
G1/2 / flange
Mounting
Direct pipe mounting or with two threaded holes at the lower connection area (please
refer to dimensional drawing).
Mounting position
Unrestricted
Material specifications
Valve body from brass. Internal parts from stainless steel. Bearing plate from ruby and
elastomere from oil resistant viton (FKN).
Pressure range
Please refer to the table.
Switching times
With fuel oil EL and alternating current coils:
321 H types: switch-on operation approx. 300 ms,
switch-off operation approx. 50 ms
121 G types: switch-on operation approx.50 ms,
switch-off operation approx. 20 ms
Media
Fuel oil EL, L, M, S (DIN 51603), please refer to the table.
Filter
Filters according to DIN 32727 must be connected in series to the 321 H/F valve
Authorized minimum
temperature
0 - + 160°C
Ambient temperature
0 °C to 60 °C
Flow factors
kv = 2 to 60 (please refer to the table). The tolerance concerning flow factors is +/- 15 %.
Electrical components
121 G and 321 H types:
High temperature and high capacity coil with screw terminal connection.
Coil housing
Metallic housing covered with epoxy resin, 360° rotating, with Pg11 cable screwing.
System of protection IP 44. Galvanized metallic housing, 360° rotating, with Pg11 cable
screwing. System of protection IP 67.
Voltage
( alternating current only )
115 V / 50 HZ - 120 V / 60 Hz (T1)
Voltage tolerances
+ 10 % to - 10% of the line voltage.
Insulation class
H 180 °C for 483824 and 483541coils .
Switch-on time
100 % admissible.
Power rating
19 Watt
