適用范圍Application
1區、2區危場所.
IIA、IIB、IIC類爆炸性氣體環境
Can be used Zone 1 and Zone 2 dangerous places.
Can be used in IIA,IIB,IIC group explosive atmosphere.
型號含義Model implication
產品特點 Features
防爆標志:Exd II.
優質碳素鋼制成。
螺紋規格可根據用戶要求特制.
符合GB3836-2000,IEC60079 標準要求。
Ex-mark:Exd II.
Made of good carbon-steel.
The thread specification can be provided particularily by user.
Suitable for GB3836-2000,IEC60079 standard request.