What does the electric globe valve electric head three claws mean

These three teeth are used to transmit torque between the valve and the motorized head.

The picture shows the stem nut for the electric valve.

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.

The stem axis of the globe valve is perpendicular to the seat sealing face. The relatively short opening or closing stroke of the stem and the very reliable shut-off action make this valve ideal for use as a shut-off or adjustment and throttling of the medium.

An electric valve is just an actuator, which means that the valve is opened and closed by a motor, and can be used for many types of valve bodies.

1. The structure is simple, and the manufacturing and maintenance are relatively convenient.

2. The working stroke is small and the opening and closing time is short.

3. Good sealing, small friction between sealing surfaces, and long service life.

4. The structure of the globe valve body is straight-through, direct flow and right-angle. Straight-through is the most common structure, but its fluid has the most resistance. The direct flow fluid has less resistance and is mostly used for fluids containing solid particles or high viscosity.

The right-angle valve body is mostly forged, which is suitable for shut-off valves with small passage and high pressure.

5. The friction of the sealing surface in the process of opening and closing is smaller than that of the gate valve, and it is wear-resistant.

6. There is usually only one sealing surface, and the manufacturing process is good and easy to maintain.

7. The electric actuator is easy to operate.

Electric globe valve and flange gate valve are the same type of valve as the bridge posture trap, which is composed of two parts: electric actuator or Minnian pneumatic actuator and globe valve, the difference is that its closing part is a valve body, and the valve body rotates around the center line of the valve body to achieve opening and closing. Gate valves are mainly used in pipelines to cut off, distribute and change the flow direction of the medium. In fact, if you want to know the specific structure, it is best to ask in the store

A globe valve can be called a shut-off valve or a throttle valve. The difference between a manual shut-off valve and an electric shut-off valve is that the valve body is the same.

Manual shut-off valve refers to the valve that is manually or manually operated by switch, and is generally used in a place far away from the working place for normally open or normally closed (infrequent switching) or close to the working place (often opening or adjusting). The electric globe valve refers to the removal of the handwheel in the same valve body and the configuration of electric actuator to control the switch and adjust or remote control switch and adjustment, which is suitable for various occasions. With the development of modern industry, more and more factories (projects) have chosen industrialized automatic control methods.

The younger brother expressed his opinion for the first time, if there were any differences or opinions. We can talk about it.

The shut-off valve is generally used for shut-off, but it can also be used for throttling. The valve body of the manual shut-off valve and the electric shut-off valve is the same, and the driving mode is different, one uses hand and the other uses electricity.

When the shut-off valve is installed, the medium can enter from the bottom of the spool and from above. The advantage of the medium entering from the bottom of the valve core is that the packing is not under pressure when the valve is closed, the service life of the packing can be prolonged, and the packing can be replaced under the pressure of the pipeline in front of the valve. The disadvantage of the medium entering from the bottom of the valve core is that the driving torque of the valve is large, about times that of the upper entry, the axial force of the valve stem is large, and the valve stem is easy to bend.

For this reason, the medium enters from below, which is generally only suitable for small-diameter globe valves (below DN50), and the mode of medium flowing from above DN200 is used for globe valves above DN200. The electric shut-off valve generally adopts the way that the medium enters from above.

The disadvantage of the way the medium enters from above is the opposite of the way it enters from below. In fact, it can flow in both directions, but the angle is different.

Electric globe valve, the working principle of the American standard gate valve is to rely on the rotary valve to make the valve unblocked or occluded. The gate valve switch is lightweight, small in size, can be made into a large diameter, reliable sealing, simple structure, easy maintenance, sealing surface and spherical surface are often in a closed state, not easy to be eroded by the medium, and has been widely used in various industries.

Electric globe valves are mainly used in pipelines to cut off, distribute and change the flow direction of the medium. Electric globe valve is a new type of valve that is widely adopted, which has the following advantages:

1. The fluid resistance is small, and its resistance coefficient is equal to that of the pipe section of the same length.

2. Simple structure, small size and light weight.

3. Tight and reliable, the sealing surface material of the gate valve is widely used plastic, with good sealing, and has been widely used in vacuum systems.

4. Easy to operate, fast opening and closing, from full open to full closed, only need to rotate 90°, which is convenient for long-distance control.

5. Easy maintenance, simple structure of gate valve, sealing ring is generally movable, and it is more convenient to disassemble and replace.

6. When fully open or fully closed, the sealing surface of the gate body and the valve seat is isolated from the medium, and the erosion of the sealing surface of the valve will not be caused when the medium passes. 7. Wide range of application, from small to a few millimeters in diameter, from high vacuum to high pressure. When the ball rotates 90 degrees, the sphere should be fully present at the inlet and exit, thus cutting off the flow.

The model of the gate valve is indicated by the type of gate valve Z, the drive mode of the gate valve, the connection mode of the Kaizao lap gate valve, the structure of the gate valve, the sealing material, and the code of the valve body material.

1. The gate valve type code is Z;

2. The code of the rock displacement group movement mode of the gate valve is indicated by letters, and the common ones are 2-electro-hydraulic, 9-electric, 6-pneumatic, 5-bevel gear transmission, 3-turbine worm; Manual does not need to be written out.

3. The connection form code of the gate valve is indicated by letters, 1-internal thread, 2-external thread, 4-flange type, 6-welding, 7-pair clamp type, 9-clamp, 0-ferrule sleeve;

4, gate valve structure form code, 0-elastic ram, 1-open rod wedge single ram, 2-open rod wedge double ram, 3-open rod parallel single ram, 4-open rod parallel double ram, 5-dark rod wedge single ram, 6-dark rod wedge double ram staring, 7-dark rod parallel single ram, 9-dark rod parallel double ram;

5. The sealing material or lining material is R-austenitic stainless steel, T-copper alloy, X-rubber, S-plastic, N-nylon plastic, F-fluoroplastic, H-CR stainless steel, Y-cemented carbide, J-lining rubber, and M-Monel alloy;

6. The valve body material code is Z-gray cast iron, K-malleable cast iron, Q-ductile iron, T-copper and alloy, C-carbon steel, P-chromium-nickel stainless steel, R-chromium-nickel-molybdenum stainless steel, V-chromium-molybdenum vanadium steel. For example, for electric, flange connection, open rod wedge double gate, the sealing surface material is directly processed from the valve body, and the nominal pressure valve body material is gray cast iron gate valve

Z942W-1 Electric Wedge Double Gate Gate Valve.