乳欲人妻奶水,性饥渴寡妇肉乱免费视频,联合早报网手机中文,女性到达顶峰有想尿床的症状吗

Home / Product

Product

American

American standard gate valve

Nominal pressure:PN1.0~42.0MPa
Nominal diameter:DN15~1500mm

The seal of the gate valve on both sides and the travel of the gate plate are a certain number of degrees, so that the gate valve becomes a wedge type, and then the valve acts on the central axis of the pipeline, which is used in the switch of the pipeline and the container. Wedge gate valves are widely used in petroleum industry, chemical plants, and some thermal power stations.

Design standard: API 600, GB/T 12234

Relatively small flow resistance design

The torque of the switch is small

There is no direction limit to the flow of the medium

The seal is stable and can be applied to various working conditions for a long time

The valve has an upper seal design

The valve stem is sealed with flexible graphite and graphite packing

Pressure seal structure

Solid ram design

Hidden stem valve stem design

And jacket insulation design


Product range

Body material: carbon steel, stainless steel, alloy steel, duplex stainless steel

Caliber: 1/2~60(DN15~1500)

Pressure: Class150~2500(PN10~PN420)

Connection: RF, RTJ, BW

Operating temperature: -110℃~+560℃

Operation mode: hand wheel, bevel gear, electric, pneumatic


主站蜘蛛池模板: 宁乡县| 奈曼旗| 翼城县| 罗平县| 潍坊市| 南和县| 鹿邑县| 修武县| 凤阳县| 集安市| 彭阳县| 凭祥市| 勃利县| 玉屏| 利津县| 库车县| 石屏县| 岱山县| 湟中县| 甘南县| 兴仁县| 常熟市| 新乡县| 阳朔县| 东源县| 双城市| 夏邑县| 十堰市| 郸城县| 淮阳县| 长兴县| 广昌县| 柳林县| 普兰县| 高要市| 兴山县| 聂荣县| 延庆县| 丰都县| 调兵山市| 彭州市|