Hydraulic torque wrench
A hydraulic torque wrench is a tool made to apply torque on a fastener to accomplish appropriate tightening or loosening of a connection through the use of hydraulics methods. A torque wrench is applied to the nut either directly or in conjunction with an impact socket. Hydraulic torque wrenches is a prearranged, with controlled amount of torque to a properly lubricated fastener.
Flange bolting with hydraulic torque wrench.
Hydraulic Torque Wrench
Four narrow clearance hydraulic torque wrenches on a flange.
Dedicated Low Profile Square Drive Hydraulic Wrench