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
BDM-II Type Parameters and Dimensions
Constructed from high-quality carbon steel, brass, or stainless steel, this mechanical cable clamping device features robust waterproofing performance. It is suitable for non-armored cable entry in increased safety enclosures.
| Thread Specifications | Applicable Cable Diameter Sealing Range (Φ) | Thread Length | Overall Length | Opposite Side/Maximum Outer Diameter S (Φ) | ||
| Imperial | American | Metric | ||||
| G1/2" | NPT1/2 | M20x1.5 | 8~12 | 15 | 43 | 27/30 |
| G3/4" | NPT3/4 | M25x1.5 | 12~17 | 15 | 45 | 32/35 |
| G1" | NPT1 | M32x1.5 | 15~22 | 17 | 49 | 38/42 |
| G1 1/4" | NPT1 1/4 | M40x1.5 | 20~28 | 17 | 53 | 45/50 |
| G1 1/2" | NPT1 1/2 | M50x1.5 | 28~36 | 17 | 58 | 55/61 |
| G2" | NPT2 | M63x1.5 | 35~48 | 19 | 64 | 68/74 |
| G2 1/2" | NPT2 1/2 | M75x1.5 | 45~56 | 24 | 73 | 85/94 |
| G3" | NPT3 | M90x1.5 | 55~73 | 26 | 74 | 100/110 |
| G4" | NPT4 | M115x2 | 68~91 | 28 | 81 | 125/135 |
| Explosion-Proof Marking | Protection Rating |
|---|---|
| Ex eb IIC Gb, Ex ta IIIC Da | IP66 |
Product Features
1. Manufactured from high-quality carbon steel; materials can be customized to stainless steel or brass upon customer request;
2. Thread specifications can be specially fabricated or designed with different thread sizes at each end according to customer requirements.
Applicable Scope
1. Suitable for Zone 1 and Zone 2 locations in explosive gas environments;
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 IIIA, IIIB, and IIC explosive dust atmospheres;
5. Widely used for clamping and sealing cables in hazardous environments such as oil extraction, refining, chemical processing, and military applications.
