成人片男女做受在线观看,97精品久久天干天天蜜,国产成人亚洲精品在线看,狠狠做五月深爱婷婷天天综合

Your Position: Home > News > Company News

Precautions before starting operation of roots pump of oil filter

2019/8/1??????view:

  Roots pump can not be used alone before starting operation. It must be equipped with a pre-vacuum pump recommended by our company's professional and technical personnel before it can be put into use.

  When lifting a vacuum pump, it can be lifted at the screw of the lifting ring matched by the pump. A complete set of vacuum oil filters shall not be lifted at the screw of the lifting ring matched by the pump. If the pump has no lifting screw, the vacuum pump can be carried by forklift or other means of transport.

  The motor connecting frame and motor fan protective cover of the pump are semi-enclosed. It is strictly forbidden to use hands or other tools to contact the high-speed rotating coupling and motor fan blades when the pump is running, so as to avoid unnecessary harm to you.

  There shall be no restriction on the exhaust of vacuum pumps or the installation of any cut-off valves in the exhaust pipeline. Vacuum pump is also a compressor. If the motor has no overload protection device when the pump has a high inlet pressure, it will produce extremely high pressure at the outlet of the vacuum pump. This high pressure will cause damage to the vacuum equipment or harm to the personnel.

  Vacuum pumps are precision machines. When installing the intake and exhaust pipes or valves of vacuum pumps, it is strictly forbidden that any foreign bodies enter the pump chamber to avoid unnecessary serious consequences. Once a foreign body enters the pump chamber, the foreign body inside the pump chamber must be cleaned up, otherwise starting the vacuum pump is strictly prohibited. If the quality of the intake and exhaust pipes is too heavy, they must be supported to avoid the impact on the accuracy of vacuum pumps.

  Pumps should not be used to suck gases containing more than 20% oxygen and other flammable and explosive gases. Unless appropriate protective devices and other inert gases are used, explosions will occur and vacuum pumps will be destroyed and personnel injured.

  When Roots vacuum pump is running, it is strictly forbidden to open the oil tank, add and unload the oil screw plug, otherwise it will cause serious damage to the pump.

  In order to prevent the oil mist discharged from the front vacuum pump and the long-term impact of the pumped gas on the field operators and the environment, the gas discharged from the vacuum pump should not be directly discharged into closed workshops or buildings without good ventilation.

  When the pump is running, it is not allowed to touch the hot surface of the vacuum pump directly by hand. Generally, when working at low pressure, the surface temperature of the pump should not exceed 90 C. When operating at high pressure, the surface temperature of the pump may exceed 100 C.

  Before disassembling or maintaining the vacuum pump, it is necessary to cut off the power supply of the vacuum oil filter and allow the power supply to be connected only after confirming that the vacuum pump has been fully installed.

  Suddenly starting the vacuum pump during the maintenance of the vacuum pump will cause damage to the equipment or personnel.


四虎影视久久久免费| 亚洲精品一区二区国产精华液| 波多野结衣在线精品视频| 亚洲熟妇色自偷自拍另类| 天天天天天日日日日日日| 天堂草原电视剧在线观看| 久久久久久精品免费免费英国| 色偷偷久久一区二区三区| 欧亚日韩在线一区二区三区| 97久久久久人妻精品专区| 日韩av时尚潮流在线观看| 55夜色66夜色国产精品视频| 99九九视频只有精品15| 无遮挡免费视频在线播放| 东京干在线观看| 中文字幕乱码在线伦视频| 精品一线二线三线无人区| 久国产乱子精品免费视频| 亚洲国产精品第一区二区| 日本无乱码高清在线观看| 无码日韩精品一区二区。| 精品国产亚洲午夜精品av| 91天在线观看亚洲国产| 亚洲雏8~12S仙踪林| 日韩一区二区精品免费观看| 国产精品久久毛片| 伦理片激情亚洲欧美在线| 尤物网在线观看欧美日韩| 尤物传媒在线观看免费视频| 国产成人a视频精品网站| 欲求不满的人妻精品天堂| 亚洲国产日韩a在线播放| 老司机午夜一区二区三区| 最新在线你懂的| 亚洲伦理精品国产成人一区| 色欲色香天天天综合无码www| 免费萌白酱国产一区二区| 欧美日韩v在线观看不卡| 中文无码亚洲精品字幕| 四虎精品国产一区二区三区| 黄色工厂在线观看h视频|