碟型微阻缓闭式消声止回阀/DHH44H-10C-DN500
面议
碟型微阻缓闭式消声止回阀/DHH44H-10C-DN500
面议
斜盘式止回阀/PXH44H-150LB-DN200
面议
蝶式缓冲止回阀/HH47X-10C-DN600
面议
排渣止回阀/PH44H-10C-DN200
面议
蝶形对夹双瓣式止回阀/H76H/X-10C-DN600
面议
蝶型双瓣式国标止回阀/H76X/H-10C-DN800
面议
*止回阀/HC42X-10C-DN800
面议
对夹式双瓣止回阀/H76X-10C-DN800
面议
H44H-600LB-DN200/高压止回阀
面议
H44H-10C-DN200/碳钢旋启式止回阀
面议
H41H-16C-DN200/碳钢升降式止回阀
面议
蝶式止回阀/H76X-10C-DN400/H76W
面议