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BNG- Series Explosion-proof Flexible Conduits

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BNG- Series Explosion-proof Flexible Conduits

BNG- Series Explosion-proof Flexible Conduits

BNG- Series Explosion-proof Flexible Conduits

Explosionprotection

-China Ex(GB)

Application in hazardous area

-Zone 1 and Zone 2Zone20

-Zone 21 and Zone 22

Flame-proof (Type ‘d’)structure.The middle part of BNG-g flexible conduitis stainlesssteel flexible pipe and network pipe,and the joints at both ends are made of stainless steel.The middle part of BNG-S flexible conduit is a rubber tube reinforced with a metal mesh tube,and the joints at both ends are made of carbon steel
Widely used in the connection between explosion-proofboxes orexplosion-proof lamps and pipes,to protect cables from damage and corrosion resistance.

Product Description

Nomenclature

Selection Table

Thread specification			Pipe nominal diameter (mm)	Pipe internal diameter (mm)		Length L(mm)	Minimum bending radius (mm)
G	M	NPT	Pipe nominal diameter (mm)	BNG-g	BNG-S	Length L(mm)	Minimum bending radius (mm)
1/2	M20X1.5	1/2	15	12.5	13	700	80
1/2	M20X1.5	1/2	15	12.5	13	1000	80
3/4	M25X1.5	3/4	20	17.5	17	700	110
3/4	M25X1.5	3/4	20	17.5	17	1000	110
1	M32X1.5	1	25	23	20	700	145
1	M32X1.5	1	25	23	20	1000	145
11/4	M40X1.5	11/4	32	30.5	28	700	180
11/4	M40X1.5	11/4	32	30.5	28	1000	180
11/2	M50X1.5	11/2	40	35	34	700	210
11/2	M50X1.5	11/2	40	35	34	1000	210
2	M63X1.5	2	50	45.5	46	700	250
2	M63X1.5	2	50	45.5	46	1000	250

Weight

Thread	Type	Weight of 1 meter long middle flexible tube (kg)	Weight of joints at both ends (kg)	Type	Weight of 1 meter long middle flexible tube (kg)	Weight of joints at both ends (kg)	Type	Weight of1 meter long middle flexible tube(kg)	Weight of joints at both ends (kg)
G1/2	BNG-g-A	0.5	0.26	BNG-g-B	0.5	0.27	BNG-g-C	0.5	0.28
G3/4	BNG-g-A	0.7	0.36	BNG-g-B	0.7	0.41	BNG-g-C	0.7	0.45
G1	BNG-g-A	0.9	0.42	BNG-g-B	0.9	0.48	BNG-g-C	0.9	0.53
G11/4	BNG-g-A	1.1	0.6	BNG-g-B	1.1	0.74	BNG-g-C	1.1	0.88
G11/2	BNG-g-A	1.6	1.1	BNG-g-B	1.6	1.2	BNG-g-C	1.6	1.4
G2	BNG-g-A	1.9	1.8	BNG-g-B	1.9	2.1	BNG-g-C	1.9	2.3
G1/2	BNG-S-A	0.4	0.26	BNG-S-B	0.4	0.27	BNG-S-C	0.4	0.28
G3/4	BNG-S-A	0.6	0.36	BNG-S-B	0.6	0.41	BNG-S-C	0.6	0.45
G1	BNG-S-A	0.75	0.42	BNG-S-B	0.75	0.48	BNG-S-C	0.75	0.53
G11/4	BNG-S-A	0.83	0.6	BNG-S-B	0.83	0.74	BNG-S-C	0.83	0.88
G11/2	BNG-S-A	1.5	1.1	BNG-S-B	1.5	1.2	BNG-S-C	1.5	1.4
G2	BNG-S-A	1.8	1.8	BNG-S-B	1.8	2.1	BNG-S-C	1.8	2.3

Note:M thread and NPT thread refer to the corresponding G thread weight above.

Technical Specifications

Ex marking Gas Ex d IIC Gb

Dust Ex tD A20 IP65

Conformity to standards GB3836.1,GB3836.2,GB12476.1,GB12476.5

Enclosure
material BNG-g Stainless steel 304 as standard.If special requirements,please specify
when ordering.

BNG-S The middle part is a rubber tube reinforced with a metal mesh tube with Q235
galvanized joints at both ends

Degree of protection IP65

Ambient temperature -20℃~+60℃

Structure type Female/Female,Female/Male,Male/Male,G1/2～G2 as standard.
Special requirements,such as Metric thread(M)(1.5mm pitch),NPT thread,
please specify when ordering.

Outline and installation dimensions

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