Electric hard closed eccentric hemispherical valve ZK940H 10 DN 1600 weight

Here are some of the well-known brands recognized in the valve industry, which are widely recognized and have a high reputation. While rankings may vary depending on time and market conditions, the following brands are generally considered to be among the top brands in the valve industry:

The following influential first-line brands of water system valves and industrial valves can be used as a reference, but for reference only: Suzhou Neway Valve, Shanghai Guanlong Valve, Shanghai Qizhong Valve, Sanhua, Su Yan, Shentong, Su Valve, Nanfang, Jiang.

First, the word Yao. The above manufacturers are only estimates and references, and the specific situation may vary or fluctuate at any time due to changes in a series of factors such as changes in the market, the size of the competition pattern, and the stability of product quality. As an indispensable key device in industrial production and civil facilities, the quality and reputation of the valve brand directly affect the satisfaction and trust of users.

These brands are known in the valve industry for their innovative technology, high-quality products and reliability. It is important to note that the market and industry are evolving rapidly, and different rankings may vary depending on time and region. For the most up-to-date ranking information, it is recommended to refer to industry reports, professional organizations or market research data for more detailed and accurate information.

Hello, this weight is not fixed, after all, the actual production of each factory has its own factory standard (except for the connection size and pressure test need to meet the standard), and there is basically no hard requirement, and the weight is estimated to be about 5 tons.

I did the math, it should be.

The electric hard sealing eccentric hemispherical valve opens and closes frictionlessly, which completely solves the problem that the traditional valve affects the sealing due to the friction between the sealing surfaces.

Xingyang Rixin Yuanhao Bureau Pass 185 He-957-00157 Dianwei Tongbu.

DN stands for Path. A trembling sock hood from DN100-DN1400.

Flange, also known as flange disc or flange. A flange is a part that connects between pipes and pipes, and is used for the connection between pipe ends; There are also flanges used on the inlet and outlet of the equipment, which are used for the connection between two equipment, such as the reducer flange. Flange connection or flange joint refers to the detachable connection of flanges, gaskets and bolts connected to each other as a set of combined sealing structures.

Pipe flange refers to the flange used for piping in piping installation, and used in equipment refers to the inlet and outlet flange of equipment. There are holes in the flanges, and the bolts make the two flanges close together. The flanges are sealed with gaskets.

Flange sub-threaded connection (threaded connection) flange, welded flange and clip flange. The flanges are used in pairs, and the wire flange can be used for low-pressure pipes, and the welded flange is used for pressures above four kilograms. A gasket is added between the two flanges and then bolted.

The flange thickness is different for different pressures, and the bolts they use are also different. When the pump and valve are connected to the pipeline, the parts of these equipment and equipment are also made into corresponding flange shapes, also known as flange connections. All the connecting parts that are bolted around the periphery of the two planes and closed at the same time are generally called "flanges", such as the connection of ventilation ducts, this kind of parts can be called "flange parts".

However, this connection is only a part of the equipment, such as the connection between the flange and the pump, so it is not good to call the pump "flange parts". Relatively small ones, such as valves, can be called "flange parts".

If you are referring to a butt weld flange, the single weight is about 369 kg.

The new standard flat welded flange is only available in GB9119-2010, with a flange thickness of 100mm and a unit weight of about 600 kg.

The standard of the Ministry of Machinery, also known as the old standard flat welded flange, weighs about 335 kg per unit.

Double eccentric hemispherical valve: the use of eccentric valve body, eccentric ball and valve seat, valve stem for rotation movement in the common trajectory automatic centering, closing the process of tighter and tighter, fully achieve the purpose of good sealing. The ball and seat of the valve are completely separated, which eliminates the wear of the sealing ring, overcomes the problem of constant wear of the traditional ball seat and the sealing surface of the ball, and the non-metallic elastic material is embedded in the metal seat, and the metal surface of the valve seat is well protected.

The product features are as follows:

1. Sealing pair (valve core, valve seat) - bimetal, metal spherical ring with hard sealing, fire and explosion proof;

2. The sealing is tight, the sealing of the valve core and the valve seat is spherical line contact, and zero leakage is achieved by three-dimensional eccentricity;

3. The valve core of the sealing pair is left with a compensation amount, and when the valve is used for a long time and the sealing pair is worn, it only needs to loosen the limit bolt on the handwheel side, and then rotate a little when it is closed, which can still achieve reliable sealing and prolong the service life.

Fourth, the compression sleeve can be unscrewed, the valve seat can be adjusted or replaced, and the valve can still be used, which avoids the drawbacks of scrapping the whole unit after the sealing failure of many valves.

It is mainly used in pulverized coal injection in the iron and steel industry, slurry, mother liquor and alumina powder transportation in the alumina industry, hydraulic (or dry) ash removal in the power industry, petrochemical industry, gas industry and other occasions.

The PQ340H is a model of double eccentric hemispherical valve.

The pressure relief hole plays a problem with the closing force! A certain kind of ball valve made by Shanghai Qigao valve is this kind of pressure relief hole.

<> it depends on how high the pressure you are, Gongsun Chen said that the pressure is not the same, and the connection flange is not the same, this is my judgment Kai Chun's family, and it is not necessary if the length of others is like this.

The pneumatic eccentric hemispherical valve relies on the rotating key spike valve chain to make the valve unblocked or blocked. The ball valve switch is lightweight, small in size, can be made into a large caliber, reliable sealing, simple structure, easy maintenance, sealing draft balance surface and spherical surface are often blocked in a closed state, not easy to be eroded by the medium.

Manual eccentric hemispherical valve is a kind of ball valve, its working principle is to control the opening and blocking of the valve through the rotary valve, the sealing performance of the manual eccentric hemispherical valve is more reliable, and the structure is not too complicated, and the maintenance is simple. One of its greatest advantages is that it is not susceptible to media corrosion.

For some working conditions have certain requirements for equipment, manual eccentric hemispherical valve is the first choice, mainly because of its compact structure and light weight. Excerpt from.

Introduction to the structural characteristics of manual eccentric hemispherical valve:

1) Use eccentricity to reduce friction and improve service life. It is beneficial to be used in some fields with harsh working conditions;

2) The fluid resistance is small, and the full-bore ball valve basically has no flow resistance;

3) The switch is frictionless, the seal is not easy to wear, and the opening and closing torque is small;

For specific information about the manual eccentric hemispherical valve DN300, you can ask Hubei Biaoguang Valve!

Landlord, you ask this is very general, the valve is not so simple, you have to provide this valve for where to use, and then you have to choose according to the medium, you can consult Shanghai Qigao valve, they will give you help!