半径（mm）, 防爆标志Ex-mark
BNG□-700xG1/2, 13, 1/2, 700, 80, Exd II等效于II2GEExd II (欧标)
BNG□-1000xG1/2, 13, 1/2, 1000, 80,
BNG□-700xG3/4, 20, 3/4, 700, 110,
BNG□-1000xG3/4, 20, 3/4, 1000, 110,
BNG□-700xG1, 25, 1, 700, 145,
BNG□-1000xG1, 25, 1, 1000, 145,
BNG□-700xG1/4, 32, 1 1/4, 700, 180,
BNG□-1000xG1/4, 32, 1 1/4, 1000, 180,
BNG□-700xG1 1/2, 40, 1 1/2, 700, 210,
BNG□-1000xG1 1/2, 40, 1 1/2, 1000, 210,
BNG□-700xG2, 50, 2, 700, 250,
BNG□-1000xG2, 50, 2, 1000, 250,
BN