| 适用范围 | - 1区、2区危险场所。
- IIA、IIB、IIC类爆炸性气体环境。
| | 产品特点 | - 优质碳素钢制成。
- 防爆标志:Exd II。
- 螺纹规格可根据用户要求特制。
- 符合GB3836-2000,IEC60079标准要求。
| | 型号含义 |  | | 外形示意 |  | | A | B | D | L | G | | 30 | 27 | 25 | 40 | 1/2" | | 36 | 32 | 31 | 40 | 3/4" | | 42 | 38 | 37 | 48 | 1" | | 52 | 47 | 46 | 48 | 11/4" | | 60 | 55 | 54 | 48 | 11/2" | | 70 | 66 | 65 | 54 | 2" | | 88 | 83 | 82 | 54 | 21/2" | | 100 | 95 | 94 | 60 | 3" | | 127 | 122 | 121 | 60 | 4" | |  | | A | B | C | D | L | G | | 30 | 27 | 25 | 13 | 40 | 1/2" | | 36 | 32 | 31 | 18 | 40 | 3/4" | | 42 | 38 | 37 | 25 | 48 | 1" | | 52 | 47 | 46 | 32 | 48 | 11/4" | | 60 | 55 | 54 | 38 | 48 | 11/2" | | 70 | 66 | 65 | 50 | 54 | 2" | | 88 | 83 | 82 | 65 | 54 | 21/2" | | 100 | 95 | 94 | 75 | 60 | 3" | | 127 | 122 | 121 | 100 | 60 | 4" | |  | | A | B | D | L | G | | 25 | 22 | 13 | 40 | 1/2" | | 30 | 27 | 18 | 40 | 3/4" | | 40 | 35 | 24 | 48 | 1" | | 50 | 45 | 32 | 48 | 11/4" | | 58 | 52 | 38 | 48 | 11/2" | | 67 | 62 | 50 | 54 | 2" | | 85 | 80 | 65 | 54 | 21/2" | | 98 | 93 | 75 | 60 | 3" | | 125 | 120 | 100 | 60 | 4" | | |