Novel multifunctional valve

The utility model provides a novel multifunctional valve which comprises a valve body, a filter valve cover is arranged at the top end of the valve body, a nameplate is arranged at the top end of thevalve body, a valve seat is arranged at one end of the valve body, a valve shaft is arranged in the valve seat, valve plates are arranged on the two sides of the valve shaft, the valve shaft extends to the top end of the valve body, and a turbine head is arranged at the top end. Wherein the valve shaft is connected with the turbine head, a filter screen is arranged in the valve body, the filter valve deck is right opposite to the filter screen, a check valve frame is further arranged in the valve body, a check valve O-shaped ring is arranged at the joint of the filter screen and the check valve frame, the check valve frame is provided with a check valve clack, and the check valve clack is provided with a check valve sealing gasket. A check valve spring is arranged on the side, right facingthe filter screen, of the