Hy41W－16T/P氧气止回阀
H49J矿浆三通换向止回阀
H47H定压止回阀
CKH641H快速抽气止回阀
GLH41-16节能止回阀
PXH44H斜盘式止回阀
PH44Y PH44H-10排渣止回阀
HWH44H缓闭重锤止回阀
H664Y抽气止回阀
H48Y空排止回阀
H47FF衬氟微阻缓闭止回阀
GLH41H/Y//WGLH41H/Y//W贯流式止回阀
phtt4c耐磨排渣止回阀
YQ98004型过滤活塞式缓闭止回阀
NRVB*止回阀
0577-67989545
0577-67983306
