DQM-II Series Explosion Proof...

Explosion Protection Type

• Standards: CENELEC, IEC, NEC
• Zones:
  • Zone 1 and Zone 2
  • Zone 21 and Zone 22
  • Class I, Zone 1 and Zone 2
  • Class I, Division 1, Groups A, B, C, D

Product Parameters

• Explosion Protection:
  • IECEx (Gas and dust): Ex d IIC Gb, Ex e IIC Gb, Ex tb IIIC Db IP66
  • ATEX (Gas and dust): II 2 G Ex d IIC Gb, II 2 G Ex e IIC Gb, II 2 D Ex tb IIIC Db IP66
• Product Type: DQM-II
• Material: Stainless steel or nickel-plated brass
• Degree of Protection: IP66
• Ambient Temperature: -60°C to +100°C
• Connection Thread: Metric thread is standard; G thread or NPT thread is optional

Product Classification & Origin

• HS Code: 401693, 391740, 730799, 790700, 760900
• Country of Origin: China

Professional Overview

• Applicable Industries: The explosion-proof cable gland is a critical sealing device for equipment enclosures used in industries like petroleum, natural gas, mining, metallurgy, military, and nuclear power.
• Credibility: Our glands hold certificates from ATEX, IECEx, and EAC, ensuring compatibility with hazardous application environments.
• CTA: Contact us for customized solutions or quotes regarding professional lighting and technical service support.

FAQ

• Q1: What is a “Dual-Certified” cable gland?
  • A1: It holds two different explosion-protection certifications (e.g., ATEX & IECEx) to meet high regulatory and reliability standards.
• Q2: How to verify compliance of an installed gland?
  • A2: Check for cracks or corrosion, ensure specifications match the equipment, and confirm all locking nuts are tightened.
• Q3: When to use an explosion-proof plug?
  • A3: For sealing unused ports or when cables are temporarily removed for maintenance to maintain enclosure integrity.
• Q4: Why is a matching gland critical?
  • A4: A substandard gland can create a leak path that nullifies the protection of expensive equipment, posing a catastrophic risk.