以上标准和本标准不适用于医用电气设备、发爆器、发爆器试验仪和点火电路试验仪
至于你所提到的"EX2DB4",本人实在是没见过类似你的标准,疑为你误抄了此型号或符号.
常见符号为"EXDⅠ/Ⅱ BT3"
"EX"为通用符号,表示EXPLOSIVE
V30D-075 RKNN-
V30D-140RDNLN400-M
QXR18
QXR86RVGA-L续为350bar,峰值为420bar流量Qmax:65至365 l/min。
常用型号有:
V30D-075 RKNN-
V30D-140RDNLN400-M
V30D-045 RKVLN-2-
V30D-250RDNLLSN
V30D-045RKN-1-1-N-2-
V30D-140RKNLN400-M
V30D-140 RDNLSN-200-V30D-140 RDNLSN-
NN
RVIA-LNN
RVBA-LQN
RVCA-LQN
RVEA-LQN
RVGA-LQN
RVIA-LQN
RVBA-LWN
RVCA-LWN
RVEA-LWN
RVGA-LWN
RVIA-LWN
RVBA-LAV
RVCA-LAV
RVEA-LAV
RVGA-LAV
RVIA-LAV
RVBA-LBV
RVCA-LBV
RVEA-LBV
RVGA-LBV
RVIA-LBV
RVBA-LCV
RVCA-LCV
RVEA-LCV
RVGA-LCV
RVIA-LCV
RVBA-LNV
RVCA-LNV
RVEA-LNV
RVGA-LNV
RVIA-LNV
RVBA-LQV
RVCA-LQV
QXR09
QXR
QXR09
QXR
QXR
QXR
QXR12
QXR
QXR09
QXR86
QXR
QXR
V30D-045 RKVLN-2-
V30D-250RDNLLSN
V30D-045RKN-1-1-N-2-
V30D-140RKNLN400-M