日本一道本-国产一级二级毛片-人人草人人-免费69视频-天堂网最新版资源在线-亚洲天堂av中文字幕-在线亚洲自拍-亚洲第一毛片18我少妇-在线天天干-91在线综合-少妇高潮喷水久久久久久久久久-新婚之夜玷污岳丰满少妇在线观看-日本亲近相奷中文字幕-亚洲小视频在线播放-好男人社区www在线官网-亚洲高清偷拍一区二区三区-丝袜视频国产在线播放

current location: Home   >> News >> Company news

All - welded 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.

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.


寻乌县| 和平区| 大关县| 贵阳市| 祁阳县| 永定县| 晋江市| 林口县| 蚌埠市| 吉隆县| 广平县| 彭州市| 建湖县| 民丰县| 镇赉县| 罗山县| 乡城县| 麻栗坡县| 鲁甸县| 伊宁市| 南和县| 铁力市| 南丰县| 永州市| 石泉县| 湾仔区| 宝山区| 望江县| 莱阳市| 阿巴嘎旗| 色达县| 鄂伦春自治旗| 淮南市| 衡阳县| 灵台县| 泾源县| 庆城县| 雷山县| 云浮市| 沁阳市| 东海县|