蝶形一片式（一PC）球阀

http://www.klevalve.com/qdqf/   气动球阀
http://www.klevalve.com/fdqf/193.htm   气动三通内螺纹球阀
http://www.klevalve.com/fdqf/192.htm 气动三通法兰球阀
http://www.klevalve.com/tjqf/191.htm   气动法兰式V型球阀
http://www.klevalve.com/fdqf/189.htm    标准气动球阀
http://www.klevalve.com/fdqf/201.htm   气动三片式球阀
http://www.klevalve.com/tjqf/190.htm   气动对夹式V型球阀
http://www.klevalve.com/gxqf/174.htm   管线球阀
http://www.klevalve.com/tjqf/173.htm   V型调节球阀
http://www.klevalve.com/pxxztjf/172.htm   偏心旋转调节球阀