国产a精品视频,2020黄片在线免费观看,久久亚洲精品女人黄,亚洲国产一级在线观看在,久久精品毛片免费不卡,免费国产a深夜影院

current location: Home   >> News >> Company news

Four-way ball valve features

Four-way ball valve has the following features:

1, small fluid resistance: the ball and the valve body of the connection pipe section is equal, and the ball channel is connected by an arc, medium through the ball is, the fluid resistance is small.

2, good sealing performance: the seat is made of PTFE material with certain elastic deformation and high strength, which ensures the stability of the valve with good sealing performance.

3, long service life: valve core and light see the neck material USES austenitic stainless steel, PTFE seat material, can achieve good corrosion resistance, prolong the service life of the valve.



平陆县| 汽车| 平利县| 梁河县| 林芝县| 上栗县| 和顺县| 黎川县| 嘉黎县| 东兴市| 通许县| 四平市| 桑植县| 宜黄县| 海门市| 佛冈县| 沈丘县| 通辽市|