H77X-16Q对夹软密封止回阀

对夹衬胶止回阀 H77J-10Q

高压旋启式止回阀H44Y-160/H44Y-250

H44H-16,H44H-16C,H44Y-16C旋启式止回阀,法兰旋启式止回阀

H41H-16,H41H-16C,H41Y-16C升降式止回阀

对夹蝶式止回阀

H76H对夹式双瓣止回阀

ZLH41H轴流式止回阀

460型微闭止回阀

HH44Z,HH44X,HH44T,HH44H,微阻缓闭止回阀

HH46X,HH47X,HH48X,HH49X,消声缓闭蝶式止回阀

WQH45X WQH44X微阻球形止回阀