Single screw pumps type H1V 14/80-9/63 and electric pump units on their basis

Single screw pumps type H1V 14/80-9/63 and electric pumping units on their basis are designed for pumping of commercial oil leaks from drainage tanks into the main pipeline.
Electric pumps belong to general purpose products of I type (recoverable) GOST 27.003-90, and are designed for operation in macroclimatic regions with temperate and cold climate at ambient air temperature from plus 40 º? to minus 60 º?. Climatic version UHL of placement category 1 (placement category 2 is allowed) according to GOST 15150-69.
Electric pumps are designed for operation in explosive zones of class 2 according to GOST 30852.9-2002 and classes B-1 and B1g according to PUE, in which explosive mixtures of category IIA, IIB according to GOST 30852.11-2002 may be formed, explosion group of the mixture T3 according to GOST 30852.5-2002.

The electric pump units consist of a single screw vertical pump, an electric drive and a manhole for mounting on the tank manhole.
According to the principle of operation single screw ...