美女视频永久黄网站免费观看国产-美女特黄-美女天堂网-美女天天操-美女天天色-美女脱了内裤张开腿让男人桶网站

Information

Oil production machinery

API C Series Pumping Units

Detailed description

Product Outline

The API C series pumping unit is one kind of convention beam pumping unit, which selects the crank balanced method. It is the most common, an application scope broadest surface power equipment in field production oil .

The products conform to API Spec 11E " Specification for Pumping Units " and other related standards.

Technical Features

1. Carry out the design using the modulation and the hypothesized technique of manufacture, optimize the product structure pattern, the spare parts have high level of “the standardization, the universalization, the seriation”. 

2. Strength of key parts is calculated with the finite element analysis, the property is stable, the reliability is high.

3. The structure is reasonable, work smooth, low noise, the operation maintenance is convenient.

4. In the reducer use the symmetrical divergence type double circular arc or the involute double helical gear transmission, its seal is good, the noise is low, the revolution is steady, it is reliable and durable. 

5. The beam is H-beam steel structure, which has high strength, good rigidity, large carrying capacity. 

6. The horse head is hanging structure, when carrying out workover, the horse head will be unloaded off .

7. Support is a three-legged structure, convenient in installation, simple operation.

圖片.png

圖片.png

圖片.png

Related labels:

国产av熟女一区二区三区 | 91最懂男人的午夜社区 | 性色av一区二区三区夜夜嗨 | 欧美性猛交xxxx乱大交丰满 | 亚洲午夜av久久久精品影院色戒 | 少妇熟女天堂网av | 久久不见久久见免费影院www日本 | 久久久久亚洲av无码a片 | 大肉大捧一进一出好爽视频 | 久久久老熟女一区二区三区 | 亚洲av无码日韩av无码网站冲 | 十八禁无遮挡99精品国产 | 欧美人伦禁忌dvd放荡欲情 | 日日噜狠狠噜天天噜av | 风流老熟女一区二区三区 | 亚洲 欧美 国产 制服 动漫 | 日日噜噜夜夜爽爽 | 精品久久无码中文字幕 | 黑人巨大跨种族video | 91日本在线视频 | 亚洲乱码av中文一区二区 | 99r精品视频 | 性色av免费网站 | 日韩电影一区二区三区 | 久久久久成人精品无码中文字幕 | 日本va欧美va精品发布 | 无码gogo大胆啪啪艺术 | 东方aⅴ免费观看久久av | 久久中文字幕免费 | 成人亚洲欧美日韩在线 | 日本乱子人伦在线视频 | 粉嫩av久久一区二区三区 | 野花社区视频在线观看 | 国产无套内射久久久国产 | 国产精品成人免费 | 亚洲av午夜福利精品一区 | 国产亚洲一区二区在线观看 | 91久久婷婷国产综合精品青草 | 人妻仑乱a级毛片免费看 | 女人高潮久久久叫人喷水 | 国产精品久久久久久超碰 |