E = 3/4”-16UNF x5.74”, 单刀双掷,1/2”NPT 接口
EM = M20x146mm,单刀双掷, M20x1.5 接口
区域认证
0 = IECEx/ATEX Ex ia IIC, Ex tb IIIC
1 = IECEx/ATEX Ex db IIC , Ex tb IIIC
2 = 一般用途
3 = EAC Ex ia IIC, Ex tb IIIC
4 = EAC Ex db IIC, Ex tb IIIC
5 = NEPSI Ex db IIC, Ex tb IIIC
6 = NEPSI Ex ia IIC, Ex tb IIIC