MISTRAL 451 BL D2

Industrial Vacuum Systems / Explosion Proof Vacuums / Electrical Single-Phase

Single-phase ETL Intertek Certified Industrial Vacuum for Combustible Dust

The MISTRAL 451 BL D2 is Delfin Industrial’s best in-class vacuum. This compact model is the perfect solution to handle dry and mobile cleaning of even combustible dust. NFPA 660 compliant & ETL Class II, Divsion 2 certified, this vacuum is equipped with a brushless spark-free motor (average life 15,000 hours) to prevent any sparks. The highly efficient filter system (Class M primary filter, optional H14 HEPA filter) guarantees the total safety of vaccuming operations. The stainless steel tank makes this vacuum corrosion resistant.

Technical features

ETL Certified for Class II, Division 2 Hazardous Locations, Groups F & G

Compact and portable
Constructed with powder coated steel
Spark-free brushless motor (up to 15,000 hour life expectancy)
Grounded
Roll-out stainless steel AISI304 collection tank
Integrated manual filter cleaning system

Delfin Industrial Corporation_Explosion Proof Brochure_July 2025_compressed

Technical Data

Technical Data		MISTRAL 451 BL D2
Certification		ETL Class II Div. 2
Groups		F,G
Voltage	V – Hz	115 – 60 1~
Power	HP (kW) – Amps	1.5 (1.1) – 9.6
Max Water Lift	inH20 (mmH2O)	90.6 (2300)
Max Airflow	CFM (m³/h)	121.8 (207)
Noise Level (EN ISO 3744)	dB(A)	74
Suction Inlet	in (mm)	3 (80)
Primary Filter Type		Star
Material – Efficiency	IEC 60335-2-69	Polyester – Class ANT M
Filter Surface Area	ft² (m²)	22 (2)
Cleaning system		Manual
Collection tank		Collection tank AISI304 Stainless steel
Capacity	gal (lt)	12 (45)
Dimensions (WxLxH)	in (cm)	23x25x53 (58x63x135)
Weight	lb (kg)	121 (55)