Ex d Breather Drain Plug



Metalmech manufactures Ex d Breather Drain Plugs certified to IECEx, ATEX, EAC & PESO standards, Gas Protection: Ex d / Ex db IIC Gb | Ex e / Ex eb IIC Gb / Gc (Zone 1 & Zone 2) & Dust Protection: Ex t / Ex tb IIIC Db | Ex tc IIIC Dc (Zone 21 & Zone 22). This Ex-Proof Breather Drain enables reliable pressure equalization and automatic condensation drainage while preserving the safety integrity of electrical enclosures in explosive atmospheres.
Metalmech breather drain plugs (available in nickel-plated brass or 316 stainless steel with metric M16, M20, M25 and NPT thread types) effectively prevent moisture buildup and pressure differentials in both gas and dust hazardous areas.
| IP Rating | IP66 |
|---|---|
| IECEx Ex d Certificate No. | IECEx DNV 25.0139U |
| ATEX Ex d Certificate No. | DNV 25 ATEX 18020U |
| EAC Certificate No. | Certification in Progress |
| PESO Certificate No. | Certification in Progress |
| Thread Type | Metric & NPT |
| Protection Type | Ex d, Ex e, Ex t |
| Material | Brass (CuZn39Pb3), Stainless Steel (SS304/SS316L) |
| Finishing | Natural Brass or Nickel Plated |
| Accessories | Teflon Washer, Castellated Locknut |
| Ambient | lECEx/ATEX : -55° C < Ta < +160° C |
|---|---|
| Temperature | EAC : -60° C < Ta < +130° C |
| Gas Group | II A, II B |
| EPL (Equipment Protection Level) | Gas Zone 1 & Zone 2 (Gb / Gc) and Dust Zone 21 & Zone 22 (Db / Dc) environments |
| Material Code | Brass Natural Finish : B1 Brass Nickel Plated : B2 Electro Less Nickel Plated : B3 SS304 : X4 SS316L : X6 |
Breather Plug Ex-d Specification
| CODE Ex "d" | THREAD SIZE 'B' | THREAD LENGTH 'L' | PROTRUSION LENGTH 'F' | HEXAGON SIZE | ||
| METRIC | NPT | A/F | A/C | |||
|---|---|---|---|---|---|---|
| MM-BRD-0 | M16x1.5 | 3/8" | 15.00 | 10.00 | 20.00 | 22.00 |
| MM-BRD-1 | M20x1.5 | 1/2" | 15.00 | 10.00 | 26.00 | 29.00 |
| MM-BRD-2 | M25x1.5 | 3/4" | 15.00 | 10.00 | 30.00 | 33.00 |





























