The ninth oil production plant of Daqing Oilfield controls the decline in the old area "due to the policy of Tibet"

2024-03-08

In the first two months of this year, the ninth oil production plant of Daqing Oilfield used diversified means to continuously strengthen the potential of the old area, and crude oil production increased by 195,000 tons year-on-year.

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Petrochemical industry downstream demand weakened, the economy fell slightly

2024-03-01

As the northern Hemisphere enters winter in November, temperatures are generally cooler, economic activity weakens and demand falls.

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What is the balance hole of the ball valve

2024-01-26

First, the function of the ball valve balance holeThe balance hole is also called the compensation hole, which refers to a channel inside the ball valve, generally located between the two sealing surfaces above and below the ball. Its role is to balance the pressure on both sides when adjusting t…

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The cumulative gas production of a single well in Fuling Shale Gas Field is 400 million cubic meters, setting a domestic record

2023-12-22

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The first integrated development project of pumped storage and conventional hydropower in the country has started construction

2023-12-08

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How should the valve sealing gasket be installed?

2023-11-24

Sealing gasket is a sealing part often used in machinery, equipment, etc., is a sealing material, but also an indispensable part of machinery and equipment, so it is very important to know how to install sealing gasket. The correct installation can ensure the sealing performance of the machinery …

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Maintenance and upkeep of valves

2023-09-01

Valve storage and maintenance1. The purpose of storage and maintenance is to prevent valve damage or reduce quality during storage. In fact, improper storage is one of the important reasons for valve damage.2. Valves should be kept in an orderly manner. Small valves should be placed on shelves, w…

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Working Principle and Application of Self operated Regulating Valve

2023-08-25

Working principle of self operated regulating valve:The operation of a self operated regulating valve is based on a basic principle: to use the energy of the process fluid to adjust the position of the valve. These valves integrate a self regulating mechanism that can respond to fluctuations in p…

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Can globe and gate valves be mixed?

2023-07-28

Due to some similarities in appearance between globe valves and gate valves, as well as their ability to cut off in pipelines, many circle members who do not have much contact with valves may confuse the two. In fact, if carefully observed, the difference between globe valves and gate valves is q…

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Warmly celebrate the official opening of the website of Tianjin Huayou Hanwel Technology Development Co.,Ltd.

2023-06-29

Tianjin Huayou Hanwei Technology Development Co., Ltd. (HYIHW for short) is a technological service-oriented enterprise specializing in petrochemical, ship and ocean engineering, power plant valve and actuator repair and maintenance. The company was established in 2003 with a registered capital o…

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