Combined with generally ribs and bolt gasket to prevent screw loosening and leakage. 0 ~ 30MPa pressure. The bolt joint leakage of oil, water and other media can be effectively prevented

size:  M6,M8, M10(G1/8”),M12,M14(G1/4”),M16,M18(G3/8”),M20,M22(G1/2”),M24,M27(G3/4”),M30,M33(G1”),M36,M39,M42(G11/4”),M45,M48(G11/2”),M52,M60(G2”)