Forged steel axial-flow type check valve

The utility model discloses a forged steel axial flow type check valve which comprises a valve body, a valve shaft, a valve clack, a spring and a clack support, the valve shaft is sleeved with the spring, the two ends of the spring are connected with the clack support and the valve clack respectively, the clack support is provided with a channel, an extending part is arranged on the outer side of the clack support in the circumferential direction, and a plurality of guide holes are formed in the extending part in the circumferential direction. A plurality of guide holes are formed in the valve clack, a plurality of guide columns in one-to-one correspondence and sliding connection with the guide holes are arranged on the valve clack, the diameter of each guide column is matched with the inner diameter of each guide hole, an anti-abrasion sleeve is arranged on the inner wall of the channel, the valve shaft is in sliding connection with the inner wall of the anti-abrasion sleeve, and a detachable protective cove