Info Balance Valve. This part is compatible with (but not limited to) the following models: NH 10,000lb Industrial Hydraulic WinchNH 15,000lb Industrial Hydraulic WinchRV8 8,000lb (3.6 Ton) Industrial Hydraulic Short Drum WinchRV10 10,000lb (4.5 Ton) Industrial Hydraulic WinchRV15 15,000lb (6.8 Ton) Industrial Hydraulic Winch RV18 18,000lb (8.1 Ton) Industrial Hydraulic Winch