Pn 16 cocks with female female and female male connection for pressure gauges 压力表用带内螺纹内螺纹和内螺纹外螺纹连接的pn 16
2.
Home economics - safety release devices with built - in stopcock and two g 1 2 male union connections for domestic appliances using mains supplied gaseous fuels 家庭经济.家用管道燃气设备用带嵌入式旋塞和双g1 2外螺纹连接的安全释放装置
3.
The male x female thread end connecting eliminates the need for special pipe connectors and gives flexibility when connecting pipe systems of different design 外螺纹连接端口内螺纹连接端口避免配置专用的管道连接件，便得接连不同结构的管道系统时具有灵活性。
