The 300-ft.-lb. class work tool provides 1,310 blows per minute at a hydraulic flow rate of 17.2 gpm The 300-ft.-lb. class HB880 features an automatic pressure regulator that ensures maximum ...

"A major construction stage - the hydraulic tests of the strong hull ... fourth multipurpose nuclear-powered submarine in the Yasen-class series (Project 885) designed by the St.