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Petrochemical industry downstream demand weakened, the economy fell slightly

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

What is the balance hole of the ball valve

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…

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

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

A brief introduction to the open spherical gate valve

The opening and closing part of the gate valve is a gate, and the direction of movement of the gate is perpendicular to the direction of the fluid. The gate valve can only be fully opened and fully closed, and is not suitable for adjustment and throttling. The gate has two sealing surfaces. The t…

What is the function of the diversion hole of the stainless steel flat gate valve with diversion

What is the function of the diversion hole of the stainless steel plate gate valve with diversion?Stainless steel slab gate valve with diversion is a sliding valve whose closing parts are parallel gates. The closing part can be a single ram or a double ram with a stretching mechanism in between.…

Important breakthroughs have been made in the development of key technical equipment for deepwater oil and gas development in my country

On May 11, my countrys first domestically produced deepwater subsea oil tree was installed in the sea area of Yinggehai, Hainan. This equipment is an important part of the subsea oil and gas production system engineering demonstration project led by CNOOC, marking a key step in the development of…

Standards and specifications for pressure testing of valves

The standards and specifications for valve pressure testing are as follows:1. In general, the valve is not subject to strength test, but the repaired valve body and bonnet or the valve body and bonnet with corrosion damage should be tested for strength. For the safety valve, its constant pressure…