H44H-16C、H44H-25C、H44H-40C铸铁（钢）旋启式止回阀
面议
H44H-16C、H44H-25C、H44H-40C铸铁（钢）旋启式止回阀
面议
H41T-16、H41T-16C立式铸铁消声止回阀
面议
HC44X-10、HC44X-16、HC44X-16C橡胶瓣止回阀
面议
HH44X-10c微阻缓闭式止回阀
面议
HH49X-16C、HH49H-16C、HH48H-16C微阻缓闭式止回阀
面议
H71W-10T、H71W-16T对夹式铜止回阀
面议
H41W-16P、H41W-16R、H41W-16RL不锈钢升降式止回阀
面议
H42W-16P、H42W-16R不锈钢立式法兰止回阀
面议
HQ41X-10、HQ41X-16法兰无磨损球形止回阀
面议
DHH74X蝶式缓冲止回阀
面议H44F46-16C、H44F46-16P法兰立式衬氟止回阀
面议H42F46-16C、H42F46-16P全衬氟立式止回阀
面议