Low-torque wear-resistant ball valve

The utility model relates to a low-torque wear-resistant ball valve which comprises a valve body, an auxiliary valve body, a valve seat and a valve ball, the valve body is detachably connected with the auxiliary valve body, the valve ball is rotatably connected between the valve body and the auxiliary valve body, the valve seat is arranged between the valve ball and the valve body/the auxiliary valve body, the low-torque wear-resistant ball valve further comprises a smearing ring and a solid lubricant, the smearing ring is connected with the valve seat in a clamped mode, and the solid lubricant is connected with the smearing ring in a clamped mode. The smearing ring abuts against the valve ball, containing holes distributed in the circumferential direction are formed in the direction, facing the valve ball, of the smearing ring, and solid lubricating agents are arranged in the containing holes. According to the utility model, the smearing ring used for smearing the solid lubricant in real time is arranged bet