10C-DN100,
H41F46-10C-DN32, H41F46-10C-DN40, H41F46-10C-DN50,
H40F46-0.6,H40F46-1.0,H40F46-06,H40F46-10, 衬氟升降式止回阀
H40F46-0.6C,H40F46-1.0C,H40F46-06C,H40F46-10C,
H42H-16,H42H-25,H42H-40,H42H-64,H42H-100,不锈钢内螺纹止回阀
H42H-1.6,H42H-2.5,H42H-4.0,H42H-6.4,H42H-10.0,
H42H-1.6C,H42H-2.5C,H42H-4.0C,H42H-6.4C,H42H-10.0C,
H12H-6.0,H12H-16,H12H-60,H12H-160,不锈钢内螺纹止回阀
H44F46-10,H44F46-10C,H44F46-16,H44F46-16C,旋启式衬氟止回阀
H44F46-1.0,H44F46-1.6,H44F46-1.0C,H44F46-1.6C,