Model Meaning
Implementation Standard
GB/T3836.1、GB/T3836.2、GB/T3836.31、IEC60079-0、IEC60079-1、IEC60079-31
Technical Parameter
IIB
IIC-I
IIC-II
Product Features
1. Stainless steel shell, after high-speed shot peening, the surface is subject to high-voltage electrostatic spraying;
2. Exposed stainless steel fasteners with high anti-corrosion performance;
3. There are many ways and specifications for the inlet and outlet;
4. Inlet and outlet threads can be specially made into metric threads, NPT threads and other forms;
5. Steel pipe or cable wiring is acceptable.
Installation Dimensions
IIB
| Explosion-proof Marking | Protection Rating | Thread Specification | Cable Specification | A | B | C | D |
|---|---|---|---|---|---|---|---|
| Ex db IIB Gb, Ex tb IIIC T80°C Db | IP66 | NPT1/2" | Φ7mm-Φ10mm | 165 | 95 | 62 | / |
| NPT3/4" | Φ9mm-Φ14mm | 165 | 95 | 62 | 105 | ||
| NPT1" | Φ12mm-Φ18mm | 175 | 110 | 67 | 110 | ||
| NPT1 1/4" | Φ15mm-Φ28mm | 198 | 110 | 85 | / | ||
| NPT1 1/2" | Φ18mm-Φ30mm | 198 | 110 | 85 | / |
IIC-I
IIC-II
| Explosion-proof Marking | Protection Rating | Thread Specification | Cable Specification | A | B | C | D |
|---|---|---|---|---|---|---|---|
| Ex db IIC Gb, Ex tb IIIC T80°C Db | IP66 | G1/2" | Φ7mm-Φ10mm | 170 | 105 | 82 | / |
| G3/4" | Φ9mm-Φ14mm | 170 | 105 | 82 | 125 | ||
| G1" | Φ12mm-Φ18mm | 185 | 105 | 82 | / | ||
| G1 1/4" | Φ15mm-Φ25mm | 200 | 116 | 87 | / | ||
| G1 1/2" | Φ18mm-Φ28mm | 215 | 116 | 87 | / | ||
| G2" | Φ25mm-Φ38mm | 260 | 260 | 110 | / |
Ceiling Box
Applicable Scope
1. It is applicable to the places in Zone 1 and Zone 2 of explosive gas environment;
2. It is applicable to the places in Zone 21 and 22 of combustible dust environment;
3. Suitable for IIA, IIB and IIC explosive gas environment;
4. Applicable to T1-T6 temperature group;
5. It is applicable to the connection of electric wires and cables in dangerous environments such as petroleum exploitation, oil refining, chemical industry, gas station, offshore oil platforms, oil tankers, metal processing, etc.
