Description
HLS ATEX Breather Drain M20 Stainless Steel – BE.20.S.NT
The HLS BE.20.S.NT Breather Drain is a stainless steel M20 explosion-protected component designed for hazardous area enclosures. It enables safe pressure equalization while allowing moisture to drain, maintaining enclosure integrity in demanding oil & gas, chemical, and industrial environments.
Engineered for Exe applications, this breather drain is certified for use in Zone 1 and Zone 21 hazardous locations. Built from 316 stainless steel with a nitrile O-ring, it ensures durability, corrosion resistance, and reliable sealing performance. It supports IP66 protection when installed correctly, making it ideal for harsh field conditions.
Key Features:
✅ ATEX & IECEx certified for Zone 1 / Zone 21 hazardous areas
✅ Suitable for Exe IIC Gb & Ex tb IIIC Db applications
✅ IP66 ingress protection with O-ring or thread sealant
✅ M20 male thread (metric, 1.5mm pitch – 6g fit)
✅ 316 stainless steel construction for corrosion resistance
✅ Nitrile O-ring (standard) for secure sealing
✅ Allows enclosure ventilation and moisture drainage
✅ Compatible with NEC/CEC Class I Zone 1 installations
✅ Certified for clearance hole applications with castellated nut
📦 Package Options:
🔹 BE.20.S.NT – M20 Stainless Steel Breather Drain with Nitrile O-Ring (1 unit and 25 units box)
HLS ATEX Breather Drain Technical Specifications:
| Feature | Details |
|---|---|
| Product Type | Breather Drain (Type BE) |
| Model | BE.20.S.NT |
| Thread Size | M20 (Metric, 1.5mm pitch, 6g fit) |
| Material | 316 Stainless Steel |
| O-Ring Material | Nitrile (Standard) |
| Hazardous Certification | ATEX & IECEx Zone 1 / Zone 21 |
| Protection Type | Exe IIC Gb & Ex tb IIIC Db |
| Ingress Protection | IP66 / NEMA 4X (with O-ring or sealant) |
| Temperature Range | -50°C to +80°C (material dependent) |
| Impact Resistance | 7 Nm |
| Application | Enclosure ventilation and drainage |
| Standards | IEC/EN 60079-0, 60079-7, 60079-31 |
Certifications & Compliance:
🔗 ATEX / IECEx – Exe IIC Gb & Ex tb IIIC Db (Zone 1 / Zone 21)
🔗 IEC/EN 60079 Standards – Compliance for explosive atmospheres
🔗 NEC/CEC – Class I Zone 1 compliance
🔗 IP66 / NEMA 4X – Protection against dust and water ingress
🔗 Download Datasheet
Applications of HLS Breather Drain:
🔹 Oil & Gas
🔹 Chemical Plants
🔹 Offshore Platforms
🔹 Industrial Enclosures
🔹 Hazardous Area Control Panels
What’s in the Box?
📦 1x HLS Breather Drain M20 Stainless Steel (BE.20.S.NT)
📦 1x Nitrile O-Ring
📦 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 function of a breather drain?
It allows air exchange while preventing moisture buildup inside hazardous area enclosures.
Is this product suitable for Zone 1 environments?
Yes, it is certified for use in Zone 1 and Zone 21 hazardous locations.
What ingress protection does it provide?
Up to IP66 when installed with O-ring or thread sealant.
What material is used?
316 stainless steel for high corrosion resistance in harsh environments.




























