Burkert Type 0742 - Manual (Page 9)

9
Application conditions of the devices
5.8. maximum permitted ambient
temperature
Please observe the maximum permitted ambient temperature indicated
for each type under application conditions of the coil!
design maximum permitted ambient
temperature
74. -40 ... +40 °C
75. -40 ... +50 °C
(-40 ... +55 °C when T3)
5.9. Application in petrol pumps
Danger!
risk of explosion by opening the device!
• The device is a closed system. It must not be removed!
danger of explosion!
• If devices are used in gasoline pumps to control gasoline as
Category 2, a valve body made of metal (brass, aluminum or
stainless steel) must be used.
The devices may also be used to control gasoline in Category 2 if there
is no air and no oxygen in the closed system.
This also applies to starting and switching off the system.
Model with over-
stretched coil
Block-screwed
model
The solenoid coils are mounted on the fitting using either 4 cylinder
head screws M4 x 58 (flange model) or a central attachment
M14 x 1.5 (overstretched model).
The solenoid coils may be removed by the manufacturer
only!
The valves always represent a closed system.
english
PTB 02 ATEX 2173 X