欧美一区二区三区日韩I天天色综合色I一区二区色I首尔之春在线观看Iwww.av在线播放I日韩一区二区精品I涩漫天堂I亚洲欧美日韩另类I丰满少妇影院I天堂在线免费视频Iwww色婷婷I免费看a网站I国产成人在线电影I九色丨蝌蚪丨成人I日日干日日摸I老头老太做爰xxx视频I精品人妻人人做人人爽夜夜爽I色婷婷av一区二区Iav大片免费在线观看I欧美brazzersI黄色一级带I中国美女一级片I欧美激情在线观看视频I欧美精品少妇I中出中文字幕

current location: Home   >> News >> Company news

Welding ball valve structure and characteristics

1. The valve adopts carbon steel seamless steel pipe pressed into shape as an integral welded ball valve.

2. The stem is made of AISI303 stainless steel, and the valve body is made of AISI304 stainless steel, which has been finished and ground, and has excellent sealing performance and corrosion resistance.

3. Carbon reinforced PTFE inclined surface elastic sealing ring is used to seal the surface of the sphere under negative pressure, so that the sealing can reach zero leakage, long service life and other advantages.

4. Connection method of the valve: welding, thread and flange are available for users to choose. Transmission mode: handle, turbine, pneumatic, electric and other transmission structure, flexible and portable switch.

5. The valve is compact in structure, light in weight, easy to keep warm and easy to install. This valve is normally installed horizontally.

6. Integrated welding ball valve from foreign advanced technology, combined with the actual situation in China developed, to replace the import of domestic.

Widely used in natural gas, oil, heating, chemical and thermoelectric pipe network and other long - distance pipeline field.


主站蜘蛛池模板: 延津县| 八宿县| 浏阳市| 宣武区| 金塔县| 杨浦区| 白沙| 平远县| 色达县| 普兰店市| 若羌县| 建德市| 宜春市| 溧水县| 师宗县| 贡嘎县| 广宗县| 博湖县| 阳东县| 盘锦市| 林芝县| 西充县| 江津市| 泰和县| 曲水县| 安达市| 中宁县| 朔州市| 山丹县| 庆安县| 闵行区| 新郑市| 衡阳县| 旬阳县| 康乐县| 神农架林区| 阜新市| 犍为县| 扬州市| 临邑县| 清水河县|