Complete Kit for Gimbal 9-16 Mount - In line Pressure Relief Valve with Gauges and 87” Hoses with ½” Flush Face Couplers or 3/4" Flush Face Couplers For Drives 9,000 FT-LBS to 16,000 FT-LBS with Gimbal Mount Ready to Use SYSTEM Pressure gauges are mounted to the valve to monitor pressure. Use on its own, or with your existing drive unit ECV. The Inline Relief Valve should also be mounted as close as is possible to the drive unit. ADJUST PRESSURE Adjust pressure to your drive unit independently from the parent machine. This allows for maximum torque adjustment of the drive unit and ensures that screw anchors are not subjected to excessive torque resulting in damage or destruction of the screw anchor. RELIEF PROTECTION Offers secondary relief protection to the hydraulic drive unit.