Q42F-16P,Q42H-16P120度Y型三通球阀,软密封120度三通球阀,硬密封120度Y型球阀

Q42H,Q42F,Q42Y135度Y型三通球阀,不锈钢Y型三通球阀,135度牛角球阀

Q42FQ42F135度Y型三通球阀、Q42H135度球阀