JUDU through conduit slab vate Valve complies with API 6D standards. The full bore design makes the valve suitable for pigging operations. The valve seat and gate surface can be self-cleaning, reducing maintenance requirements. The floating valve seat design and the spring installation ensure that the valve seat and gate always maintain close contact to achieve a perfect seal. The valve has a two-way sealing capability, which improves its reliability and safety under different working conditions.