Description
ATEX Breather Drain Type BD (Ex d IIC Gb)
The ATEX Breather Drain Type BD (Ex d) is engineered for hazardous area enclosures requiring safe pressure equalization and moisture drainage. Certified for Ex d IIC Gb and Ex tb IIIC Db environments, this device is ideal for Zone 1/21 applications in oil & gas, chemical, and industrial installations where maintaining enclosure integrity is critical.
Designed for robust field performance, the BD breather drain allows enclosures to “breathe” while preventing ingress of contaminants. Available in multiple thread sizes and materials including nickel-plated brass and 316 stainless steel, it delivers high durability across extreme temperatures from -50°C to +80°C. With IP66/IP68 and NEMA 4X protection, it ensures long-term reliability in harsh and corrosive environments while maintaining explosion-proof protection standards.
Key Features:
✅ ATEX & IECEx Certified – Ex d IIC Gb, Ex tb IIIC Db (Zone 1/21)
✅ Designed for pressure equalization and moisture drainage in Ex d enclosures
✅ IP66 / IP68 and NEMA 4X rated for harsh industrial environments
✅ Temperature range: -50°C to +80°C (material dependent)
✅ Available in Nickel Plated Brass and 316 Stainless Steel
✅ Thread options: 1/2″ NPT and M20 metric
✅ Nitrile O-ring standard for sealing and ingress protection
✅ High corrosion resistance for offshore and chemical applications
✅ Maintains enclosure integrity while allowing air exchange
📦 Package Options:
🔹 BD.1/2.N – 1/2″ NPT Nickel Plated Brass (Available as a Single Unit or Box of 25)
🔹 BD.1/2.S – 1/2″ NPT 316 Stainless Steel (Available as a Single Unit or Box of 25)
🔹 BD.20.S.NT – M20 316 Stainless Steel -Nitrile O-ring (Available as a single unit or Box of 25)
ATEX Breather Drain Type BD Technical Specifications:
| Feature | Details |
|---|---|
| Product Type | ATEX Breather Drain Type BD (Ex d) |
| Certification | Ex d IIC Gb, Ex tb IIIC Db |
| Hazardous Area Rating | Zone 1 / Zone 21 |
| Ingress Protection | IP66 / IP68 (with O-ring or sealant) |
| NEMA Rating | NEMA 4X |
| Temperature Range | -50°C to +80°C |
| Material Options | Nickel Plated Brass / 316 Stainless Steel |
| Thread Options | 1/2" NPT, M20 |
| O-Ring Material | Nitrile (standard), Silicone optional |
| Function | Pressure equalization & moisture drainage |
| Standards | IEC/EN 60079-0, 60079-1, 60079-31 |
| North America Compliance | Class I Division 1, Class II, Class III |
| Impact Resistance | 7 Nm |
| Installation | Male threaded, with O-ring or sealant |
Certifications & Compliance:
🔗 ATEX / IECEx – Explosion protection for gas and dust atmospheres (Ex d IIC Gb, Ex tb IIIC Db)
🔗 NEC / CEC – Class I Division 1, Class II, Class III compliance
🔗 IEC 60079 Standards – Compliance with IEC/EN 60079-0, 60079-1, 60079-31
🔗 NEMA 4X – Protection against corrosion, water ingress, and harsh environments
🔗 IP66 / IP68 – Dust-tight and protected against powerful water jets and immersion
🔗 Download Datasheet
Applications of ATEX Breather Drain Type BD:
🔹 Oil & Gas
🔹 Chemical Plants
🔹 Mining
🔹 Offshore Platforms
🔹 Industrial Enclosures
What’s in the Box?
📦 1x ATEX Breather Drain Type BD
📦 1x Nitrile O-Ring (pre-installed where applicable)
📦 1x Documentation Kit
Ordering & Shipping Details
📦 Lead Time: Typically 2–4 weeks (confirm on request)
📍 Shipping Terms: Worldwide / Expedited Options
💳 Payment Options: Credit Card, PayPal, Net 30 Terms
FAQs:
What is the purpose of a breather drain?
It allows air exchange to prevent pressure build-up while safely draining moisture from hazardous area enclosures.
Is this suitable for Zone 1 environments?
Yes, it is certified for Zone 1 (gas) and Zone 21 (dust) hazardous areas.
What materials are available?
Nickel plated brass and 316 stainless steel for corrosion resistance.
Does it maintain explosion protection?
Yes, it is designed to preserve the integrity of Ex d flameproof enclosures.