H46-6.4-DN250,H46-6.4-DN300,H46-10.0-DN50,H46-10.0-DN65, H46-10.0-DN80,H46-10.0-DN100,H46-10.0-DN125,H46-10.0-DN150,H46-10.0-DN200,H46-10.0-DN250,H46-10.0-DN300,对夹双瓣旋启式止回阀

H77-1.0-DN200,H77-1.0-DN250,H77-1.0-DN300,H77-1.0-DN350,H77-1.0-DN400,H77-1.0-DN450,H77-1.0-DN500,H77-1.0-DN600,H77-1.0-DN700,H77-1.0-DN800,H77-1.0-DN900,H77-1.0-DN1000,H77-1.0-DN1200,对夹蝶型止回阀

H76X-16-DN350,H76X-16-DN400,H76X-16-DN450,H76X-16-DN500,H76X-16-DN600,H76X-16-DN700,H76X-16-DN800,H76X-16-DN900,H76X-16-DN1000,对夹双瓣旋启式止回阀

PH44H-16C-DN450,PH44H-16C-DN500,PH44H-25-DN80,PH44H-25-DN100, PH44H-25-DN150,PH44H-25-DN200,PH44H-25-DN-250,PH44H-25-DN300,PH44H-25-DN350,PH44H-25-DN400,PH44H-25-DN450,PH44H-25-DN500,排渣止回阀

H41Y-100P-DN40,H41Y-100P-DN50,H41Y-100P-DN65,H41Y-100P-DN80,H41Y-100P-DN100,H41Y-100P-DN125, H41Y-100P-DN150,H41Y-100P-DN200,高温高压止回阀

H41Y-100I-DN32,H41Y-100I-DN40,H41Y-100I-DN50,H41Y-100I-DN65,H41Y-100I-DN80, H41Y-100I-DN100,H41Y-100I-DN125,H41Y-100I-DN150,不锈钢升降式止回阀

BH41W-16.0-DN50,BH41W-16.0-DN65,BH41W-16.0-DN80,BH41W-16.0-DN100,BH41W-16.0-DN125,BH41W-16.0-DN150, BH41W-16.0-DN200,BH41W-16.0-DN250,BH41W-16.0-DN300,夹套保温止回阀

HH48X-2.0-DN125,HH48X-2.0-DN150,HH48X-2.0-DN200,HH48X-2.0-DN250,HH48X-2.0-DN300,HH48X-2.5-DN40,HH48X-2.5-DN50,HH48X-2.5-DN65,HH48X-2.5-DN80, HH48X-2.5-DN125,HH48X-2.5-DN150,HH48X-2.5-DN200,HH48X-2.5-DN250,HH48X-2.5-DN300,微阻缓闭蝶式消声止回阀

DYH41X-1.6-DN150,DYH41X-1.6-DN200,DYH41X-1.6-DN250,DYH41X-1.6-DN300,DYH41X-1.6-DN350, DYH41X-1.6-DN400,DYH41X-1.6-DN450,DYH41X-1.6-DN500,DYH41X-1.6-DN600,DYH41X-1.6-DN700,DYH41X-1.6-DN800,DYH41X-1.6-DN900,DYH41X-1.6-DN1000,快闭止回阀

DY30BX-2.5-DN125,DY30BX-2.5-DN150,DY30BX-2.5-DN200,DY30BX-2.5-DN250, DY30BX-2.5-DN300,DY30BX-2.5-DN350,DY30BX-2.5-DN400,DY30BX-2.5-DN450,DY30BX-2.5-DN500,DY30BX-2.5-DN600,DY30BX-2.5-DN700,DY30BX-2.5-DN800,缓开快闭止回阀