Explosion Proof Engine

YBX3-series explosion proof engine has advantages such as excellent Flame-proof property, high efficiency, energy saving, large temperature rise margin, long operation life, good property, low vibration, advanced Flame-proof structure, good starting performance, good-looking appearance, high reliability and no sparking while operating. This series of motor is mainly applied to drive equipment of coal mine, petroleum and gas, petrochemical industry, such as water pump, blower, compressor, conveyor and other machines.

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Description

Technical Parameters

Brief Introduction

YBK3 series explosion proof engine shall be manufactured in accordance with patterns and documents meeting flameproof requirement approved by regulated program. Parts constituting flameproof casing of motor include: frame, end cover, bearing inner cover, terminal box base, terminal box cover, insulator, junction hopper as well as ferrules and seal rings of various line outlets and inlets.

Processing of flameproof surface shall strictly follow dimensional tolerance, surface roughness, form and location tolerance, flameproof surface width, etc. as required by drawing; pay special attention that minimum values of processing depth and flameproof distance of hole or screw hole on the flameproof junction surface must meet regulations of drawing.

Implement static pressure test on flameproof overall casing or casing parts; test pressure shall meet related regulations of static pressure test prescribed within GB 3836.2 Explosive Environment Part 2: Flameproof Casing "d" Protected Equipment.

Main Technical Parameters

Frame	H180L
No. of Poles	4P, 6P, 8P
Power Scope	11~22kW
Voltage	380V/660V
Frequency	50/60Hz
Speed	750rpm, 1000rpm, 1500rpm
Protection Grade	IP55
Insulation Class	F
Mounting Type	IM B3
Connection	Delta/Y
Mark of Explosion-proof	Exd I Mb, Exd II BT4Gb, Exd II CT4 Gb
Cooling Type	IC411, IC416
Efficiency Class	IE3
Duty	S1
Vibration	≤1.3mm/s
Ambient Temperature	-15℃ ～ +40℃
Altitude	≤1000m
Humidity	Average monthly peak relative humidity is 90%