HOUSING
IMPELLER
Impeller Diameter
Altitude
Ambient temperature:
Relativehumidity
Carbon steel
Aluminum Casting
300mm
≤ 2000m .
-20°C to +40°C
≤95% (at 25°C)
Explosion-proof Class
Ex d II B T4 Gb
Ex：Explosion Protection (防爆標誌)
d：Flameproof enclosure (隔離型)
II：Gas Vapor (氣體 蒸氣)
B：Ethylen (乙烯)
T4：135°C (135°C)
Gb：Explosion gas atmospheres(用於爆炸性氣體環境的設備)
Zone 1 and Zone 2 for explosive gas hazardous locations withClass II Class B Group T4 and below
Ex：Explosion Protection (防爆標誌)d：Flameproof enclosure (隔離型)
II：Gas Vapor (氣體 蒸氣)
B：Ethylen (乙烯)
T4：135°C (135°C)
Gb：Explosion gas atmospheres(用於爆炸性氣體環境的設備)
Zone 1 and Zone 2 for explosive gas hazardous locations withClass II Class B Group T4 and below