ACV300 No-Slamming hydraulic check valve is a kind of slow-closing check valve which consists of the main valve, check valve, needle valve, ball valve, microform filter, and pressure gauge. Using hydraulic automatic operation, it can make the main valve get the best opening and closing speed. Prevent water hammer caused by valve slamming at closing, in order to achieve the effect of slow closing and silencing.

Based on the functional requirements, select the type of hydraulic control valve, and then according to the pipeline transport medium, temperature, building standards, and the requirements of the end-users, etc., determine the valve body and sealing parts of the material. Commonly valve body materials are cast iron, copper iron, brass, PVC, etc., and sealing and lining materials are brass alloy, plastic, steel, cemented carbide, rubber, etc. The valve body material should match the pipeline material.

The pipe section connected to the hydraulic control valve should not have air plugging, or gas blocking phenomenon. In the high position of the pipe network and other air storage sections should be set up automatic air vent valve.

Constructed with punched holes for unparalleled precision and long-lasting durability, these extension tubes ensure smooth adjustment and reliable performance. Spring buttons, featuring flat top faces, facilitate effortless length adjustment while maintaining a secure hold.

To summarize: the float valve opens when the ball is below the liquid level, and the main valve then opens to start the water supply. When the float valve reaches the liquid level, it closes. The main valve also closes and the water supply stops.

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A water pump control valve is a kind of hydraulic control valve, pump control valve consists main valve and its attached conduit, pilot valve, needle valve, ball valve, pressure gauge, and other components. According to the purpose, function, and application can evolve into remote control float valve, pressure reducing valve, no slamming hydraulic check valve, flow control valve, pressure relief valve, hydraulic electric control valve, pump control valve, etc. Water pump control valves in the pipeline generally are installed horizontally direction, and upstream should be installed a filter valve, in order to easy to drain.

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ACV100 remote float control valve is mainly used in pipelines to cut off, distribute and change the flow direction of the medium, it is a kind of hydraulic control valve which is widely used in recent years, and it has the following features.

Step 3. When the tank water consumption, the liquid level drops, the float valve opens to drain, the pressure in the upper chamber of the diaphragm gradually decreases, and the main plug opens to supply water under medium power.

The pressure relief/sustaining valve consists of the main valve, pressure relief/sustaining pilot valve, needle valve, ball valve, microform filter, and pressure gauge. It can be used as both a pressure relief valve and a pressure sustaining valve by automatic hydraulic operation. When used as a pressure relief valve, the pressure in the water supply line can be maintained below the set safety value; when used as a pressure sustaining valve, the water pressure upstream of the main valve can be maintained above the set value to keep the water supply pressure upstream of the main valve.

The application of hydraulic control valves must be qualified by the manufacturer’s inspection, a variety of signs complete, and technical data meet the requirements.

Step 1. Open the needle valve and ball valve on the tubing, and slowly open the shut-off valve (gate valve) in front of the main valve. The medium in the tubing flows the needle valve, upper chamber, ball valve, and float ball into the tank. The diaphragm upper chamber outlet is not closed to create effective pressure. The main valve opens under the pressure of the medium and starts to supply water to the tank.

Note: Below size DN450 pipeline select diaphragm type, but above DN500 size we recommend customer to select cylinder type.

Pipe inlet through the gate valve and filter, into the remote float control valve, the initial state needle valve, ball valve, float control valve is normally open, water through the filter, needle valve, control room, ball valve, float control valve into the tank, at this time the control room does not form pressure, the main valve is open, the water tower ( tank ) water supply. When the water level of the water tower ( tank ) rises to a set height, the float ball floats to close the float control valve, the water pressure in the control room rises, pushing the main valve to close, and the water supply stops. When the water level drops, the float valve reopens, the water pressure in the control room drops, and the main valve opens again to continue the water supply, maintaining the set height of the liquid level.

The automatic control valves rely on the energy of the medium to automatically control the water level, pressure reduction, pressure relief, pressure holding, regulation, check, eliminate water hammer, switch, and many other functions.

Find the reason why the float valve can not shut off the water, you typically need to drain the water first, and then check the accessories inside, especially to check if the float ball is damaged or sensitivity failure, etc., and then targeted to solve the problem. The float valve can not shut off the water for the following reasons.

With a closed length of 2 foot 10 inches and a range of useful length adjustment from 3 foot 4 inches to 4 foot 8 inches. This extension tube provides flexibility and adaptability to suit various project requirements. Experience superior performance and reliability with the Crain 502 3″ Extension Tube. Designed to meet the demands of professional carpet installers. Net weight: 6 lbs.

The differential pressure bypass valve is mainly used in air conditioning systems where has a differential pressure between the supply water and the feedback water, and it is set at a fixed value. The differential pressure bypass control valve can improve the utilization of the system, reduce noise, and prevent damage to system equipment from excessive differential pressure.

The hydraulic control valve is a self-lubricating valve body using water, without the need for additional oil lubrication, if you experience damage to the internal parts of the main valve, according to the following instructions for disassembly.

THINKTANK Since 2005, offers over a decade of expertise in designing, manufacturing, and globally selling top-quality control valves, ensuring superior fluid control solutions.

Enhance the reach and versatility of your stretcher with the Crain 502 3″ Extension Tube, meticulously engineered for precision, durability, and seamless integration with your existing equipment. Each No. 502 Extension Tube Section extends your stretcher’s length by up to 4 feet 8 inches in 4-inch increments. It provides ample extension for various carpet stretching applications.

The nominal pressure of the hydraulic control valve has 0.6, 1.0, 1.6, 2.5, and 4.0MPa. The working pressure should be less than the nominal pressure, and the safety factor should be more than 35%.

If the pipeline uses flanged ends, then the hydraulic control valve should also use flanged ends. If the pipeline uses groove ends, then the valve should use groove ends also.

Precisely located within the inner tube. Spring buttons retain the outer tube securely during transport, ensuring hassle-free mobility and storage. Compatible with other standard size diameter poles, the Crain 502 Extension Tube offers seamless integration and compatibility with your existing equipment.

ACV200 Pressure reducing valve is a kind of valve used in the parallel water supply system of firefighting and lives, which is used to deploy the direction of water supply. When a fire breaks out and a large amount of water is urgently needed for fire fighting, the domestic water supply is immediately cut off to ensure sufficient water for fire fighting. When the fire fighting stops and the water pressure decreases, the valve automatically opens to resume the domestic water supply. The valve makes the system not need to set up a special separate water supply pipeline for firefighting, which greatly saves construction costs and water consumption.

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Hydraulic control valves in the project should be set up with sufficient space for management, operation, installation, and maintenance, and should meet the requirements of the pipeline to the valve.

An automatic control valve is also known as a hydraulic control valve, which is a valve that uses the pressure of water in the pipe network to control the opening and closing and adjust the opening of the valve. The automatic control valve not only saves labor, and costs but also power. It is widely used in hydraulic irrigation, high buildings, fire-fighting systems, municipal water supply and drainage, power plants, and other water supply network systems.

With a customer base that includes over 42 of the world’s leading engineering&contractors and international valve brands, THINKTANK Valves offers cost-effective valves that help our customers achieve automated process control without paying high prices.

The diaphragm divides the main valve into two upper and lower chambers. Through its pressure difference to achieve the main valve switch control.

In brief, we can describe it in three steps, and the following animation can show the working principle of the valve more vividly.

I am the author of this article, and also the CEO and marketing director of THINKTANK, with 15 years of experience in the industrial valve industry. If you have any questions, you can contact me at any time.

The above content does not cover all the knowledge of hydraulic control valves. THINKTANK engineers will expand the content to the specific applications and projects of each model step by step. THINKTANK has many years of experience in manufacturing hydraulic control valves, if you have any questions or purchasing demands, please feel free to contact our sales representatives.

Step 2. As the liquid level in the tank rises, the float valve closes, the diaphragm upper chamber outlet is closed, and the pressure in the diaphragm upper chamber gradually rises, because the area of the diaphragm is larger than the area of the main plug, the differential pressure causes the main valve to gradually close, and the main valve stops supplying water.

The remote float control valve consists of the main valve and a small float valve. The small float valve acts as a pilot valve and is installed in the tank or pool to determine the installation position according to the level of liquid to be controlled. There are also needle valves and ball valves on the pilot pipe.

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Flow control valves are used in pipelines where the distribution pipe needs to control the flow and pressure, keeping the predetermined flow constant, limiting the excessive flow to a predetermined value, and reducing the upstream high pressure appropriately, even if the pressure upstream of the main valve changes, it will not affect the flow downstream of the main valve. In case of emergency, the ACV400 flow control valve can cut off the flow to avoid losses. It has high control sensitivity, safety & reliability, easy commissioning, and long service life.

There are many types of automatic control valves, here we take the remote control float control valve as an example to learn its working principle.

It consists of the main valve and associated tube, needle valve, ball valve, pressure gauge, etc. Based on different functions and working conditions, it can be evolved into a remote float control valve, pressure reducing valve, slow-closing check valve, flow control valve, pressure holding\pressure relief valve, solenoid control valve, pump control valve, differential pressure bypass valve, emergency shut-off valve, pipe force valve, lever float valve, hydraulic automatic valve, multi-spray hole pressure reducing valve, constant water level valve and other products. Especially in waterworks, you can see many types of automatic control valves.

Application: It is suitable for the automatic water supply system of commercial electric water boilers, heat pumps, air-conditioning cooling towers, water storage towers, water storage tanks, pools, etc. in high buildings.

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ACV remote float ball control valve directly uses liquid level control without other devices and energy, easy maintenance, high accuracy of liquid level control,  and reliable shutoff. Also, this valve is not affected by water pressure. The remote float ball control valve is widely used for liquid level control in water towers, buildings, waterworks, and other water supply pipeline systems.

The quick pressure relief valve is a kind of emergency shut-off valve used in the water supply system where fire-fighting water and domestic water are connected in parallel and used to deploy the direction of the water supply. When a fire occurs, firefighting urgently needs a large amount of water, and immediately cut off the domestic water to ensure sufficient water for firefighting; when firefighting stops water pressure decreases, and the valve automatically opens and is normally open to restore the domestic water supply.

With expertise in valves and rich experience in the oil&gas, chemical industry, textile mills, power plants, and sugar mills. THINKTANK has become the premier manufacturer of next-generation precision control valves.

The emergency shut-off valve makes the system no need to set up a special fire-fighting separate water supply network, which greatly saves construction costs and water consumption. Valve control sensitivity is high, safe and reliable, easy to debug, and long service life.

There are various types of automatic control valves in THINKTANK, we will introduce them one by one for the material, design, features, application, and installation.

The electronic water control valve(solenoid control valve) is a hydrodynamic operated valve with a solenoid valve as the pilot valve. Commonly used for automatic control in water supply and sewage and industrial systems, the control response is accurate and fast. According to the electric signal remote control to open and close the pipeline system, to achieve remote operation.

The ACV400 flow control valves use hydraulic self-control, no other devices and energy, easy maintenance, and stable flow control. This series of control valve products are widely used in high buildings, domestic areas, and other water supply pipeline systems and city water supply projects.

After earning my bachelor's degree in mechanical engineering from Zhejiang Normal University in 2008, l was fortunate enough to begin my career with Siemens, Fisher, and YTC, focusing on control valve accessories. Over the past dozen years, l've poured my heart and energy into understanding technology and fluid solutions for control valves. Now, as the marketing director for THINKTANK, a trusted branch of the Taiwan STONE valve group, I can't help butf eel proud of how far we've come. Our knowledge isn't just reaching professionals like engineer and valve distributors; it's also inspiring the next generation of automation college students. l genuinely hope you're enjoying our articles and finding them helpful.Your thoughts, questions, and feedback mean the world to me, so please don't hesitate to reach out to marketing[at]cncontrolvalve.com. Whether you're a seasoned expert or just curious about the field, I'm here to connect, share, and learn together.

The hydraulic control valve on the main body of the arrow direction must be consistent with the flow direction of the pipeline system.