HLS ATEX Certified Type D Stopping Plugs – Nickel Plated Brass & Stainless Steel

HLS Type ‘D’ Stopping Plugs are engineered to safely seal unused cable gland or conduit entries in explosion-proof (Ex d) enclosures. Designed for hazardous environments such as oil & gas, chemical processing, and industrial plants, these plugs maintain enclosure integrity while preserving ATEX, IECEx, and NEC/CEC certifications.

Built for durability and reliability in the field, these stopping plugs are available in Nickel Plated Brass and 316 Stainless Steel, offering excellent resistance to corrosion and extreme temperatures. With IP66/IP68 protection and NEMA 4X rating, they ensure long-term performance in harsh environments, even when exposed to dust, water, and aggressive industrial conditions.

Key Features:

✅ ATEX & IECEx Certified – Suitable for Zone 1, Zone 21 hazardous areas
✅ No OS – Mechanical safety component for hazardous enclosures
✅ IP66 / IP68 & NEMA 4X Rated – Protection against dust, water, and corrosion
✅ Compatible with Metric & NPT Threads – Flexible installation options
✅ Durable Materials – Nickel Plated Brass (-100°C to +150°C) & Stainless Steel (-100°C to +850°C)
✅ Secure Sealing – Maintains explosion-proof enclosure integrity
✅ Thread Sealant or O-Ring Options – Enhanced ingress protection
✅ High Impact Resistance – Rated up to 7Nm
✅ Multiple Sizes Available – 1/2", 3/4", 1", M20, M25

📦 Package Options:

🔹 Single Unit: Ideal for replacements or small installations
🔹 Box of 25 Units: Bulk option for large-scale industrial projects
🔹 Available in Nickel Plated Brass (NPB) and Stainless Steel (SS)
🔹 Multiple thread sizes: 1/2", 3/4", 1", M20, M25

HLS Type D Stopping Plugs Technical Specifications:

Feature	Details
Product Type	Type D Stopping Plug (External Socket)
Application	Sealing unused cable/conduit entries in hazardous areas
Certifications	ATEX, IECEx, NEC/CEC
ATEX Rating	Ex d IIC Gb, Ex tb IIIC Db
Hazardous Area	Zone 1, Zone 21
Ingress Protection	IP66 / IP68 (with seal), IP54 (without seal)
NEMA Rating	NEMA 4X
Material Options	Nickel Plated Brass (NPB), 316 Stainless Steel (SS)
Temperature Range	NPB: -100°C to +150°C / SS: -100°C to +850°C
Thread Types	Metric, NPT (others on request)
Available Sizes	1/2", 3/4", 1", M20, M25
Sealing Options	O-Ring or Thread Sealant
Impact Resistance	7 Nm
Packaging Options	1 Unit or Box of 25 Units

Certifications & Compliance:

🔗 ATEX CERTIFIED: – Certified for explosive atmospheres (Ex d IIC Gb, Ex tb IIIC Db)
🔗 IECEx – Compliance with IEC/EN 60079-0, 60079-1, 60079-31
🔗 NEC/CEC – Class I Division 1 Groups A, B, C, D; Class II Groups E, F, G; Class III
🔗 NEMA 4X – Protection against corrosion and harsh environments
🔗 IP66 / IP68 – Dust-tight and water-resistant (with seal)
🔗 Download Datasheet

Applications of HLS Type D Stopping Plugs:

🔹 Oil & Gas
🔹 Chemical Plants
🔹 Mining
🔹 Labs
🔹 Manufacturing

What’s in the Box?

📦 1x Stopping Plug (or Box of 25 Units depending on selection)
📦 1x Thread Seal / O-Ring (if applicable)
📦 1x Documentation Kit

Ordering & Shipping Details

📦 Lead Time: 1–2 Weeks (Typical, subject to availability)
📍 Shipping Terms: Worldwide / Expedited Options
💳 Payment Options: Credit Card, PayPal, Net 30 Terms

FAQs:

What is the purpose of a stopping plug?
Stopping plugs seal unused entries in explosion-proof enclosures to maintain certification and prevent ingress of dust or moisture.

Are these plugs suitable for Zone 1 environments?
Yes, they are certified for ATEX Zone 1 and IECEx hazardous areas.

What materials are available?
Nickel Plated Brass and 316 Stainless Steel for different environmental and corrosion requirements.

Do these plugs come in bulk options?
Yes, each variant is available as a single unit or in a box of 25 units.