Explosion Proof Union BHJ-A

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Technical Parameter

Explosion proof sign	Ex db IIC Gb / Ex eb IIC Gb / Ex tb IIIC T80℃ Db
Thread size	G1/2-G4", "NPT1/2-NPT4", "M20-M110" threads of various sizes are available for users to choose;
Degree of protection	IP66

Type A Double Inner

Thread size			Total length	Thread length L1 (external thread)	Thread length L2 (internal thread)	Opposite side S	Maximum outside diameter	Inner bore（Φ)
Imperial	American	Metric
G 1/2	NPT 1/2	M20x1.5	42	-	18	34	37	15
G 3/4	NPT 3/4	M25x1.5	42		18	38	42	20
G 1	NPT 1	M32x1.5	48		21	45	50	25
G 1 1/4	NPT 1 1/4	M40x1.5	48		21	55	61	32
G 1 1/2	NPT 1 1/2	M50x1.5	49		21	65	72	38
G 2	NPT 2	M63x1.5	52		23	81	86	48
G 2 1/2	NPT 2 1/2	M75x1.5	59		26	98	106	62
G 3	NPT 3	M90x1.5	67		30	113	119	75
G 4	NPT 4	M115x2	71		32	136	140	100

Type B Double Inner

Thread size			Total length	Thread length L1 (external thread)	Thread length L2 (internal thread)	Opposite side S	Maximum outside diameter	Inner bore（Φ)
Imperial	American	Metric
G 1/2	NPT 1/2	M20x1.5	56	17	18	34	37	15
G 3/4	NPT 3/4	M25x1.5	59	17	18	38	42	20
G 1	NPT 1	M32x1.5	66	20	21	45	50	25
G 1 1/4	NPT 1 1/4	M40x1.5	66	20	21	55	61	32
G 1 1/2	NPT 1 1/2	M50x1.5	67	20	21	65	72	38
G 2	NPT 2	M63x1.5	72	22	23	81	86	48
G 2 1/2	NPT 2 1/2	M75x1.5	83	25	26	98	106	62
G 3	NPT 3	M90x1.5	93	28	30	113	119	75
G 4	NPT 4	M115x2	90	30	32	136	140	100

Type C Double Inner

Thread size			Total length	Thread length L1 (external thread)	Thread length L2 (internal thread)	Opposite side S	Maximum outside diameter	Inner bore（Φ)
Imperial	American	Metric
G 1/2	NPT 1/2	M20x1.5	69	-	18	34	37	15
G 3/4	NPT 3/4	M25x1.5	72		18	38	42	20
G 1	NPT 1	M32x1.5	80		21	45	50	25
G 1 1/4	NPT 1 1/4	M40x1.5	80		21	55	61	32
G 1 1/2	NPT 1 1/2	M50x1.5	81		21	65	72	38
G 2	NPT 2	M63x1.5	87		23	81	86	48
G 2 1/2	NPT 2 1/2	M75x1.5	99		26	98	106	62
G 3	NPT 3	M90x1.5	109		30	113	119	75
G 4	NPT 4	M115x2	115		32	136	140	100

Product Features

1. It is made of high-quality carbon steel or stainless steel, and the material can be stainless steel according to user requirements;

2. Thread specifications can be customized according to user requirements, such as NPT, metric thread, 等.

Installation Dimensions

適用範圍

1. It is applicable to the places in Zone 1 and Zone 2 of explosive gas environment;

2. It is applicable to the places in Zone 21 和 22 of combustible dust environment;

3. Suitable for IIA, IIB and IIC explosive gas environment;

4. Applicable to T1-T6 temperature group;

5. It is widely used for clamping and sealing cables in dangerous environment places such as petroleum exploitation, oil refining, 化工, gas station, 等.