碳钢升降式止回阀H41H-16C 升降式碳钢止回阀H41H-16C

衬氟升降式止回阀H41F46-10C 止回阀H41F46-10C

软密封止回阀HC44X-10C 软密封法兰止回阀HC44X-10C

微阻缓闭止回阀HH44X-16C 缓闭微阻止回阀HH44X-16C

铸铁升降式止回阀H41T-16 升降式铸铁止回阀H41T-16

铸铁旋启式止回阀H44T-10旋启式铸铁止回阀H44T-10

碳钢旋启式止回阀H44H-16C 旋启式碳钢止回阀H44H-16C

衬氟止回阀H42F46-16C 衬氟法兰止回阀H42F46-16C

HH47X-16C蝶式缓冲止回阀SPHH47X-16蝶式缓冲止回阀

HH44X-16C微阻缓闭止回阀SPHH44X-16微阻缓闭止回阀

HC44X-10软密封止回阀 SPHC44X-10软密封止回阀

H76X-16铸铁蝶型止回阀 SPH76X-16铸铁蝶型止回阀

H76W-16P不锈钢对夹启式止回阀SPH76W-16P对夹止回阀

H76H-16对夹双瓣式蝶形止回阀SPH76H-16对夹双瓣止回阀

H71W-16P不锈钢对夹升降式止回阀SPH71W-16P止回阀