Pumps and units electric pumps semi-submersible type NV-M are designed for application in chemical, petrochemical, oil refining and other industries for pumping neutral, flammable and combustible liquids (oil; petroleum products; heavily contaminated drainage water mixed with petroleum products; water) from underground collection tanks, as well as for pumping aggressive liquids.
The units are manufactured in climatic version U1, U2, U3, UHL1, UHL2, UHL3 according to GOST 15150. The units are designed for operation in hazardous areas of class 1 and 2 (according to GOST IEC 60079-10-1), category IIB and IIA (according to GOST R IEC 60079-20-1), temperature classes T4 and/or T3, T2, T1 (according to GOST R IEC 60079-20-1) in accordance with GOST 31438.1 and assigned explosion protection marking according to GOST 31610.0. The pump, which is part of the unit, has the explosion protection design and marking II Gb with IIB T4 X. The unit has the explosion protection designation Ex II Gb IIB T4 X.
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