Pumping units of the BG11 type are designed to injure at nominal pressure of 2.5 MPa (25 kgf/cm 2 ) and BG11-1 are designed for injection under the nominal pressure of 0.5 MPa (5 kgf/cm 2 ) a constant in size and direction of the flow of mineral oil with kinematic viscosity from 17 to 400 mm 2/ C (SST) at an oil temperature from 283 to 328 K (from 10 to55 O ) to the lubricant systems of machine tools and other machines
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