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HLBM□- Series Explosion-proof Stopping Plugs

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HLBM□- Series Explosion-proof Stopping Plugs

HLBM□- Series Explosion-proof Stopping Plugs

HLBM□- Series Explosion-proof Stopping Plugs

HLBM□- Series Explosion-proof Stopping Plugs

HLBM□- Series Explosion-proof Stopping Plugs

Explosion protection

-IECEx(IEC)

-ATEX(CENELEC,EN)

-China Ex(GB)

Application in hazardous area

-Zone 1 and Zone 2

-Zone 20,Zone 21 and Zone 22

This series product has 6 structure types for selection:internalhexagon,external hexagon,internal fixed,external fixed,etc.
Can be customized upon request.
Used for spare inlets on explosion-proof equipment.

Product Description

Nomenclature

Selection Table and Outline Dimension

Thread specification			A(mm)		B (mm)	C (mm)	Φ D (mm)	Φ E(mm)		L (mm)
G	M	NPT	Q235/304/ 316/Brass	ZL102	B (mm)	C (mm)	Φ D (mm)	Q235/304/ 316/Brass	ZL102	L (mm)
_	M16X1.5	_	10 10	_	17	23	26	23		17
G1/2	M20X1.5	NPT1/2	10	8	17	27	30	27	29	17
G3/4	M25X1.5	NPT3/4	10 10	8	17	32	36	32	35	17
G1	M32X1.5	NPT1	10	10	20	38	42	38	42	20
G11/4	M40X1.5	NPT11/4	10 18	10	20	47	52	47	52	20
G11/2	M50X1.5	NPT11/2	19	10	20	55	60	55	60	20
G2	M63X1.5	NPT2	19	10	22	69	70	69	73	22
G21/2	M75X1.5	NPT21/2	10 19	_	24	83	88	83	_	24
_	M80X1.5	_	10 18	_	24	85	90	85	_	24
_	M85X1.5	_	19	_	24	90	95	90	_	24
G3	M90X1.5	NPT3	19	_	24	06 83	100	95	_	24
G4	M110X1.5	NPT4	19	_	24	122	127	122	_	24

Weight

Type	Weight (kg)	Type	Weight (kg)	Type	Weight (kg)
HLBM41-G1/2/AL	0.01	HLBM42-G1/2/AL	0.02	HLBM43-G1/2/AL	0.02
HLBM41-G3/4/AL	0.02	HLBM42-G3/4/AL	0.02	HLBM43-G3/4/AL	0.02
HLBM41-G1/AL	0.05	HLBM42-G1/AL	0.04	HLBM43-G1/AL	0.04
HLBM41-G11/4/AL	0.07	HLBM42-G11/4/AL	0.06	HLBM43-G11/4/AL	0.07
HLBM41-G11/2/AL	0.1	HLBM42-G11/2/AL	0.08	HLBM43-G11/2/AL	0.09
HLBM41-G2/AL	0.15	HLBM42-G2/AL	0.14	HLBM43-G2/AL	0.16
HLBM41-G21/2/AL	0.31	HLBM42-G21/2/AL	0.2	HLBM43-G21/2/AL	0.24
HLBM41-G3/AL	0.47	HLBM42-G3/AL	0.28	HLBM43-G3/AL	0.34
HLBM41-G4/AL	0.83	HLBM42-G4/AL	0.45	HLBM43-G4/AL	0.56
HLBM41-G1/2/Q	0.05	HLBM42-G1/2/Q	0.05	HLBM43-G1/2/Q	0.05
HLBM41-G3/4/Q	0.08	HLBM42-G3/4/Q	0.07	HLBM43-G3/4/Q	0.08
HLBM41-G1/Q	0.14	HLBM42-G1/Q	0.12	HLBM43-G1/Q	0.13
HLBM41-G11/4/Q	0.22	HLBM42-G11/4/Q	0.18	HLBM43-G11/4/Q	0.2
HLBM41-G11/2/Q	0.29	HLBM42-G11/2/Q	0.23	HLBM43-G11/2/Q	0.27
HLBM41-G2/Q	0.46	HLBM42-G2/Q	0.41	HLBM43-G2/Q	0.47
HLBM41-G21/2/Q	0.92	HLBM42-G21/2/Q	0.59	HLBM43-G21/2/Q	0.72
HLBM41-G3/Q	1.37	HLBM42-G3/Q	0.83	HLBM43-G3/Q	1
HLBM41-G4/Q	2.42	HLBM42-G4/Q	1.3	HLBM43-G4/Q	1.63

Installation Schematic View

Technical Specifications

Ex marking Gas M,NPT thread Ex II 2 G Ex db IIC Gb Ex db IIC Gb Ex db IIC Gb

E xII 2 G Ex eb IIC Gb Ex eb IIC Gb Ex eb IIC Gb

G thread Ex II 2G Exeb IIC Gb Ex eb IIC Gb Ex eb IIC Gb

Dust M,NPT thread Ex II D Ex ta IlIC Da Ex ta IIIC Da Ex tD A20 IP66/IP67

Conformity to
standards IEC60079-0,IEC60079-1,IEC60079-7,IEC60079-31
EN 60079-0,EN 60079-1,EN 60079-7,EN 60079-31
GB3836.1,GB3836.2,GB3836.3,GB12476.1,GB12476.5

Material Stopping plug Stainless steel,Q235 carbon steel (galvanized),brass (nickel plated)

Aluminum alloy,powder coated,industrial gray with dark lines texture (RAL7035)

Aluminum alloy,oxidated surface

Sealing ring (Washer)
(Exclude NPT thread) Silicone rubber O-ring

PTFE washer

Degree of protection IP66,IP67

Working
temperature Q235 Carbon steel -20℃~+100℃

Stainless steel Aluminum
alloy,brass -60℃~+100℃

Thread specification M16X1.5～M110X1.5(When opening holes in the matching enclosure,the inside needs to
be fixed with a lock nut.)

NPT1/2~NPT4

G1/2~G4 (When opening holes in the matching e type enclosure,the inside needs to be
fixed with a lock nut.)

Outline and installation dimensions

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