HQ45X-10、HQ45X-16HQ45X无磨损球形止回阀
面议HQ45X-10、HQ45X-16HQ45X无磨损球形止回阀
面议HQ44X-10C,HQ44X-16CHQ44X无磨损球形止回阀PN10~PN16
面议HQ11X-10、HQ11X-16HQ11X滑道滚球形止回阀 微阻无磨损球形止回阀PN10~PN16
面议HC44X-10、HC44X-25HC44X橡胶瓣止回阀PN10~PN25
面议H74HH74H对夹圆片式止回阀PN10~PN40
面议H72HH72H对夹式止回阀PN10~PN420
面议H71H、H71WH71H、H71W型对夹升降式止回阀PN10~PN40
面议H44W-16P、H44W-16R、H44W-16RLH44W不锈钢旋启式止回阀,法兰旋启式止回阀,防腐止回阀
面议H44F46H44F46旋启式衬氟止回阀/耐腐蚀衬氟止回阀
面议H42W-16P、H42W-16R、H42W-25P、H42W-25RH42W不锈钢立式止回阀/304、316不锈钢立式止回阀
面议H42T/DRVZH42T/DRVZ*式止回阀/铸铁立式消声止回阀
面议H42H,H42YH42H铸钢立式止回阀/碳钢立式止回阀PN16~PN25
面议