7
ANDERSON GREENWOOD
5910C PRESSURE/VACUUM RELIEF VALVE WITH INTEGRATED
FLAME ARRESTER (ATEX APPROVED)
SPECIAL CONDITIONS FOR SAFE USE
Marking on Pressure/Vacuum Relief Valve with integrated Flame Arrester (ATEX Approved)
For IIA only the manufacturing is intended for sizes 2" (DN 50) to 8" (DN 200) for Types 5910C
WARNING
FLAME ARRESTERS HAVE INSTALLATION AND APPLICATION LIMITS
TYPE DESIGNATION IN ACCORDANCE WITH ISO 16852
DEF
L
U
/D = N/A
BC: c
Ex. Gp IIA
T
0
= 60°C
WARNING
FLAME ARRESTERS HAVE INSTALLATION AND APPLICATION LIMITS
TYPE DESIGNATION IN ACCORDANCE WITH ISO 16852
DEF
L
U
/D = N/A
BC: b; t
BT
= 1 min
Ex. Gp IIA
T
0
= 60°C
Warning label for 5910C without short time burn protection
Warning label for 5910C with short time burn protection
WARNING PLATE INFORMATION EXPLAINED
WARNING PLATE FIELD
MARKING
DEF
"DEF" - Deflagration
L
U
/D
"N/A" - Suitable for End of Line use only
BC*
"b" - Short time burn (1 minute)
"c" - no burn time
Ex. Gp
"IIA" - Suitable for MESG
≥
0.94 mm
T
0
"60°C" - Maximum Operational Temperature
* For short time burning flame arresters, additional external safety equipment is required, such as a
temperature sensor. Additional safety equipment is required to ensure appropriate corrective measures
are taken within 0.5 x t
BT
to protect the system if an abnormal temperature is detected. Never disconnect or
remove these devices in active process system.
