国产国产人免费人成免费视频,亚洲 卡通 欧美 制服 中文,又硬又粗进去好爽免费,亚洲日韩aⅴ在线视频

current location: Home   >> News >> Company news

All welded ball valve characteristics

All - welded ball valves have the following five main 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. All-welded ball valve connection: there are welding, thread, flange and other options for users. 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.


林西县| 原阳县| 南丰县| 东光县| 万荣县| 房产| 玉树县| 新源县| 郴州市| 广宁县| 深州市| 塔城市| 安达市| 英吉沙县| 梧州市| 绥芬河市| 安西县| 南昌市| 临武县| 皋兰县| 密山市| 营山县| 门头沟区| 武鸣县| 闻喜县| 婺源县| 双桥区| 同德县| 阜新市| 孝感市| 靖远县| 永吉县| 盘山县| 赣榆县| 平乡县| 嘉兴市| 宁远县| 镇赉县| 红河县| 扎兰屯市| 汕尾市|