
GB/T3836.1、GB/T3836.2、GB/T3836.3、GB/T3836.31、IEC60079-0、IEC60079-1、IEC60079-7、IEC60079-31



| Thread Specifications/Model | BGM-Z | Cable Outer Diameter φ (mm) | BGM-H | Cable Outer Diameter φ (mm) | BGM-P | Cable Outer Diameter φ (mm) | |||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| A | B | A | B | A | B | ||||||
| M20x1.5 | NPT1/2 | G1/2" | 89 | 57 | 8~10 | 94 | 74 | 8~10 | 88 | 61 | 8~10 |
| M25x1.5 | NPT3/4 | G3/4" | 98 | 72 | 10~14 | 100 | 74 | 10~14 | 100 | 74 | 10~14 |
| M32x1.5 | NPT1 | G1" | 109 | 86 | 12~17 | 106 | 74 | 12~17 | 111 | 83 | 12~17 |
| M40x1.5 | NPT1 1/4 | G1 1/4" | 112 | 82 | 15~23 | 114 | 98 | 15~23 | 130 | 116 | 15~23 |
| M50x1.5 | NPT1 1/2 | G1 1/2" | 116 | 95 | 17~26 | 134 | 98 | 17~26 | 130 | 121 | 17~26 |
| M63x1.5 | NPT2 | G2" | 149 | 12 | 25~35 | 142 | 120 | 25~35 | 140 | 143 | 25~35 |
| M75x1.5,M75x2 | NPT2 1/2 | G2 1/2" | 150 | 125 | 29~38 | 185 | 130 | 29~38 | 175 | 181 | 29~38 |
| M90x1.5,M90x2 | NPT3 | G3" | 165 | 148 | 33~51 | 193 | 140 | 33~51 | 190 | 191 | 33~51 |
| M100x1.5,M100x2, M110x1.5,M110x2, M115x1.5,M115x2 | NPT4 | G4" | 176.5 | 191 | 41~72 | ||||||
1. Cast aluminum alloy housing with high-pressure electrostatic powder coating;
2. Vertical (Z) type features cast steel housing—specify when ordering if required;
3. Pipe thread connections available; metric and NPT threads customizable;
4. Excellent sealing and explosion-proof performance;
5. Multiple product specifications to meet on-site installation requirements.
6. Explosion-proof markings: Ex db IIC Gb, Ex eb IIC Gb, Ex ta IIIC Da







1. Suitable for Zone 1 and Zone 2 locations in explosive gas environments;
2. Suitable for Class IIA, IIB, and IIC explosive gas environments;
3. Suitable for Zone 21 and Zone 22 locations in explosive dust environments;
4. Suitable for Class IIIA, IIIB, and IIC explosive dust environments;
5. Suitable for temperature classes T1 to T6;
6. Widely used for clamping and sealing cables in hazardous environments such as petroleum extraction, refining, chemical processing, and military applications.