HH44X、HH44T、HH44H型微阻缓闭止回阀PN10~PN25
面议HH44X、HH44T、HH44H型微阻缓闭止回阀PN10~PN25
面议H41W、H41Y、H41H不锈钢升降式止回阀/法兰升降式止回阀PN10~PN6
面议H7B41X-16C型铸钢液控止回阀
面议H71H、H71W型对夹升降式止回阀PN10~PN40
面议H42H铸钢立式止回阀/碳钢立式止回阀PN16~PN25
面议H14W-16P、H14W-16R型卧式不锈钢内螺纹止回阀
面议H72H对夹式止回阀PN10~PN420
面议H42T/DRVZ式止回阀/铸铁立式消声止回阀
面议H41Y、H41H型法兰连接升降式钢制止回阀PN16~PN100
面议H74H对夹圆片式止回阀PN10~PN40
面议H42W不锈钢立式止回阀/304
面议H44Y、H44H型旋启式法兰钢制止回阀PN16~PN25
面议