Explosion-proof Threaded Plug

Technical Data

1.Explosion-proof Type

• Standards Implemented: CENELEC, IEC, NEC
• Applicable Hazardous Areas: Zone 1, Zone 2 for IIA-IIC explosive gas atmospheres; Zone 21, Zone 22 combustible dust environments Widely used in petroleum, chemical, warehouse, food, pharmaceutical, military industries for electrical cable entry.
• Ex Marking: Gas protection: Ex db ⅡC Gb / Ex eb ⅡC Gb / Ex tb ⅢC Db

2.Product Parameters

• Product Type: BSD-series explosion-proof stopping plug
• Certification: Ex db ⅡC Gb / Ex eb ⅡC Gb / Ex tb ⅢC Db
• Material: H62 brass, SS304, 316 stainless steel; sealing part: nitrile rubber; surface: nickel-plated and passivated
• Exposed Fixing Parts: External threaded plug body
• Rated Voltage: Not specified on datasheet
• Rated Current: Not specified on datasheet
• Degree of protection: IP66
• Ambient temperature: Not marked on this datasheet
• Cable cross-section: Not applicable, used for hole blocking instead of cable passing-through
• Cable entry: Metric M, NPT, G thread
• Cable joint: External male thread for screwing into equipment thread hole for sealing blank-off

3.Product Classification & Origin

HS Code:8536909000
Country of Origin: China

4.Applicable Industries

• Applicable Industries: This product is widely used for electrical equipment sealing in petroleum, chemical, warehouse, food, pharmaceutical and military industries.
• Applicability: It is applicable to Zone 1, Zone 2 IIA-IIC explosive gas atmospheres and Zone 21, Zone 22 combustible dust hazardous locations for blank-off of unused threaded holes on explosion-proof enclosures.
• Practical Performance: Available in brass and stainless-steel material options with multiple thread specifications of M, NPT and G, it adopts nickel-plating and passivation surface treatment for good anti-corrosion assembling performance.
• Safety Performance: It complies with explosion-proof marking Ex db ⅡC Gb / Ex eb ⅡC Gb / Ex tb ⅢC Db and achieves IP66 protection grade with nitrile rubber seal to realize reliable hole-blocking sealing in explosive hazardous areas.

5.Credibility

MMALATEX explosion-proof products comply with strict international standards and hold complete ATEX, IECEX and EAC certifications to ensure compliant operation in global markets. This series of explosion-proof products is engineered for extreme working conditions with IP65/IP66/IP67 protection ratings, delivering excellent resistance to water, dust and corrosion. We provide customers with in-depth supporting services, including comprehensive technical support, complete warranty services and worldwide logistics support. Wherever your project is located, MMALATEX ensures smooth project delivery and provides safe and reliable solutions for hazardous areas.

6.FAQs

Q1: What sealing material is adopted for BSD-series explosion-proof stopping plug?

A1: Its sealing component is made of nitrile rubber.

 

Q2: What thread types does BSD explosion-proof stopping plug support?

A2: It supports metric M thread, NPT American thread and G British thread.

 

Q3: What surface treatment is applied to BSD-series explosion-proof stopping plug?

A3: The surface is treated with nickel-plating and passivation.