Explosion-Proof Flexible Conduit BNG

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Model Meaning

Implementation Standard

GB/T3836.1、GB/T3836.2、GB/T3836.3、GB/T3836.31、IEC60079-0、IEC60079-1、IEC60079-7、IEC60079-31

Technical Parameter

Model	Pipe Diameter (mm)	Thread Specification		Explosion-Proof Marking	Protection Rating	Length (mm)
BNG	15	US Standard	NPT1/2	Ex eb IIC Gb, Ex tb IIIC Db	IP66	200~5000
	20		NPT3/4
	25		NPT1
	32		NPT1 1/4
	40		NPT1 1/2
	50		NPT2
	70		NPT2 1/2
	80		NPT3
	100		NPT4
	15	Metric	M20×1.5	Ex db IIC Gb, Ex eb IIC Gb, Ex tb IIIC Db
	20		M25×1.5
	25		M32×1.5
	32		M40×1.5
	40		M50×1.5
	50		M63×1.5
	70		M75×1.5、M75×2
	80		M90×1.5、M90×2
	100		M100×1.5、M100×2 M110×1.5、M110×2 M115×1.5、M115×2
	15	Imperial	G1/2"
	20		G3/4"
	25		G1"
	32		G1 1/4"
	40		G1 1/2"
	50		G2"
	70		G2 1/2"
	80		G3"
	100		G4"

Installation Dimensions

Product Features

1. Features include dye resistance, corrosion resistance, water resistance, aging resistance, excellent flexibility, robust construction, and reliable performance;

2. Thread specifications can be customized per customer requirements, such as NPT or metric threads;

3. Offers oil resistance, acid resistance, corrosion resistance, wear resistance, aging resistance, waterproofing, flame retardancy, and excellent flexibility;

4. Flexible tube lengths can be specially processed according to user specifications.

Applicable Scope

1. Suitable for Zone 1 and Zone 2 locations in explosive gas environments;

2. Suitable for Class IIA, IIB, and IIC explosive gas environments;

3. Suitable for Zone 21 and Zone 22 locations in explosive dust environments;

4. Suitable for Class IIIA, IIIB, and IIC explosive dust environments;

5. Widely used for cable entry/exit connections in explosion-proof electrical equipment within hazardous environments such as petroleum extraction, refining, chemical processing, and military applications, or for connections in situations where steel pipe routing presents significant bending challenges.