K22JK-8W (G1/4),K22JK-10W (G3/8),K22JK-15W (G1/2),K22JK-20W (G3/4),气控换向阀 K22JK-25W (G1),K22JK-32W (G11/4),K22JK-40W (G11/2),K22JK-50W (G2), K22JK-8TW (G1/4),K22JK-10TW (G3/8),K22JK-15TW (G1/2),K22JK-20TW (G3/4), K22JK-25TW (G1),K22JK-32TW (G11/4),