Model Meaning
Implementation Standard
GB/T3836.1、GB/T3836.2、GB/T3836.3、GB/T3836.31、IEC60079-0、IEC60079-1、IEC60079-7、IEC60079-31
Technical Parameter
| Model | Thread Type and Specifications | Explosion-Proof Marking | Protection Rating | Corrosion Resistance Rating |
|---|---|---|---|---|
| BFSD | NPT1/2、NPT3/4、NPT1、NPT1 1/4、NPT1 1/2、NPT2、NPT2 1/2、NPT3、NPT4 | Ex db IIC Gb, Ex eb IIC Gb, Ex tb IIIC Da | IP66 | WF1 WF2 |
| M10×1.5、M12×1.5、M16×1.5、M18×1.5、M20×1.5、M25×1.5、M32×1.5、M40×1.5、M50×1.5、M63×1.5、M75×1.5 、M75×2、M90×1.5、M90×2、M100×1.5、M100×2、M110×1.5、M110×2、M115×1.5、M115×2 | Ex db IIC Gb, Ex eb IIC Gb, Ex tb IIIC Da |
|||
| G1/2"、G3/4"、G1"、G11/4"、G1 1/2"、G2"、G2 1/2"、G3"、G4" | Ex db IIC Gb, Ex eb IIC Gb |
| Thread Specifications | L (mm) | L1 (mm) | C (mm) | ΦD (mm) | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Imperial | Metric | US Standard | I | II | III | I | II | III | I | II | III | I | II | III |
| G1/2" | M20x1.5 | NPT1/2 | 22 | 22 | 20 | 17 | 17 | 17 | 27 | 10 | 10 | 30 | 30 | / |
| G3/4" | M25x1.5 | NPT3/4 | 22 | 22 | 20 | 17 | 17 | 17 | 32 | 10 | 10 | 36 | 36 | / |
| G1" | M32x1.5 | NPT1 | 26 | 26 | 20 | 20 | 20 | 17 | 38 | 10 | 10 | 42 | 42 | / |
| G1 1/4" | M40x1.5 | NPT1 1/4 | 26 | 26 | 20 | 20 | 20 | 17 | 47 | 19 | 19 | 52 | 52 | / |
| G1 1/2" | M50x1.5 | NPT1 1/2 | 26 | 26 | 20 | 20 | 20 | 17 | 55 | 19 | 19 | 60 | 60 | / |
| G2" | M63x1.5 | NPT2 | 30 | 30 | 22 | 22 | 22 | 19 | 69 | 19 | 19 | 70 | 70 | / |
| G2 1/2" | M75x1.5 | NPT2 1/2 | 32 | / | 24 | 24 | / | 21 | 83 | / | 19 | 88 | / | / |
| G3" | M90x1.5 | NPT3 | 34 | / | 24 | 24 | / | 21 | 95 | / | 19 | 100 | / | / |
| G4" | M115x2 | NPT4 | 34 | / | 24 | 24 | / | 21 | 122 | / | 19 | 127 | / | / |
Product Features
1. Manufactured from materials such as Q235, H59, 304, 316, and ZL102, featuring a smooth and bright finish for easy installation and use;
2. Thread specifications can be customized to meet user requirements, including NPT, metric threads, and others.
Applicable Scope
1. Suitable for Zone 1 and Zone 2 locations in explosive gas atmospheres;
2. Suitable for Class IIA, IIB, and IIC explosive gas atmospheres;
3. Suitable for Zone 21 and Zone 22 explosive dust atmospheres;
4. Suitable for Class IIC, IIC, and IIC explosive dust atmospheres;
5. Widely used for cable sealing in hazardous environments such as oil extraction, refining, chemical processing, and military applications.
