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Professional 2 Way Control Valve Manufacturer

  • Features ports – an inlet and an outlet port.  
  • Inexpensive to shop for and install.  
  • Lower fee for pumping and distribution device.  
  • Reduced or removed device balancing.  
  • Long longlife,Cheaper upkeep fee.  

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    BCST your Expert 2 Way Control Valve Supplier in China

    BCST 2-way control valves have inlet and outlet connections determined in an easy on/off packages and variable go with the drift structures uncovered to adjustments in temperature, flows, and pressure. These valves can lessen the cost of operations with the aid of using decreasing the pump output absorbed running heating and cooling device at exclusive speeds.

    BCST 2-way control valve is right for heating and cooling warm oil, water, and steam packages. 2 –way control valves are widely utilized in diverse industries along with wood, automobiles, food, steam, transportation, and petroleum.

    BCST your One-Stop 2 Way Control Valve Solution in China

    BCST substantial choice of 2-way control valves gives the fine answer to your requirements. BCST is a skilled and experienced 2-way control valve producer. As an ISO-registered company, BCST has a robust expert heritage and informed personnel with over 20 generations of producing and export experience.

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    BCST your BEST Supplier for 2 Way Control Valve

    BCST has advanced 2-way control valves with its very own specifications that meet the maximum vital primary concepts of process control. Our products are CE, SIL2 and RoHS approved. BCST is one of the main dependable and strong 2-way control valves producers in China. If you`re trying to find a skilled producer for your subsequent project, with robust technical heritage, expert team, and budget-pleasant merchandise, BCST is your maximum appropriate choice.

    Video- 2 way control valve

    BCST 2 Way Control Valve Quality Control

    • Technical software caculation
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    • CAD drawing confirmation  


    • Installation
    • Calibration
    • Chemical Analysis
    • Mechanical Propery
    • dimension Checks
    • Visual Checks
    • Non-destruction Examination

    Hydrostatic Test

    • Shell test
    • Sealing test
    • Leakage test
    • Air test
    • Function test
    • CNC machining
    • Visual checks
    • Dimensional checks
    • Liquid penetration test

    Outlook Treatment

    • Surface Polish
    • Painting
    • Visual inspection
    • Thickness checks
    • Visual checks
    • Liquid penetration
    • Test
    • Hardness test
    • Lapping
    • Dimensional checks


    • Marking
    • Exported wooden box

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    BEST 2 Way Control Valve Manufacturer from China

    Table of Contents

    2 Way Control Valve -FAQ

    How you can maintain the 2-way control valve?

    · Inspect your 2-way control valve regularly:  

    The physical inspection of the 2-way control valve is very important and conduct this activity after every 3 months. This is essential as well for checking the leakages in the tubing including the pressure gauges. It assures the proper working of the 2-way control valve and informs about the abnormalities if any exist. Must follow the instructions mentioned in the manual of the 2-way control valve. Even, you can visit the official website of the manufacturers for all the details about the 2-way control valve.

    · Cleaning the strainers:

    The pilot system is dependent on the supply of clean water that is usually taken from the inlet of the 2-way control valve. You can install the clean-type strainers at the outlet of the 2-way control valve. Usually, 3-5 seconds are suitable for cleaning the screen of the strainer. Your experience along with the 2-way control valve will help you in talking about the flush and differ from the municipal system. There is an installation of the ball valve on the plug of flushing. This permits the operators to flush regularly whenever inside the 2-way control valve. Certainly, this helps get rid of the problems that later on arise like the plugged strainers can keep the 2-way control valve open.

    · Shut off valves of the pilot system:  

    There are three isolating cocks placed on the main 2-way control valve. Their location is on the strainer located on the upper stream at the side of the 2-way control valve. There is a pilot for reducing the pressure locating at downstream. There is an isolating cock for turning quarterly towards the closing position. Then, returning to the open position is enough. The opening position is only whenever the isolating cock inline in with the body of the 2-way control valve.

    · Air present in the pilot system:

    The presence of the air can cause disturbance in the pilot system. It can show false readings and cause poor working of the 2-way control valve. Bleed air is from the bonnet of the 2-way control valve. If the 2-way control valve is along with the position indicator and on its top is the bleed cock. You can open it slightly whenever you start turning the handle in the clockwise direction. Moreover, bleeding the air is from the highest point of the 2-way control valve. If the running water clears out, no air bubbles are visible in the position indicator’s glass closing the bleed cock. If there is any presence of the air then the water becomes the white foam. Keep running the water until and unless there is no presence of the air.

    What are the troubleshooting issues present in the 2-way control valve and suitable solutions to solve them?

    Spring tension in the packing box

    If the spring tension is not working properly, then replace it as early as possible. It allows the secure tightness of the 2-way control valve’s stem. You have to do this activity every beginning or at least once a year.

    Presence of the dirt and dust on the 2-way control valve and actuator stems whenever the 2-way control valve is in the heavy environment

    There are chances that the dirt and dust can damage the 2-way control valve. Must clean and check the working of the 2-way control valve before operating.

    Improper working of the pneumatic or electric actuators

    Mostly, the actuators are free from maintenance. The main concern is to inspect the actuator diaphragm and stem seal whenever there are leakages.

    The issue arising in the body gasket

    Checking of the body gasket is also necessary regarding the leakages.

    Loosing of the couplings and screwed parts

    Fasten and tighten all the components of the 2-way control valve including the mounting kit as well. It is important to receive assurance for the efficiency and working long period.

    Leakages and loosing of the package box

    · Check your 2-way control valve at least once a time in a month to prevent the leakages

    · Also, inspect the internal energizing packs for at least 6 months.

    Which industries use the 2-way control valve and why do they use it?

    · Marine industry:

    The 2-way control valve plays a major role in the marine industry. It is dependent on the sizes of the ships and requirements for treating the wastewater along with the power generation. The size of the shop helps in determining how to use the 2-way control valve. It is also helpful in loading, storing the power supply, and facilitating along with the water for different applications.

    figure 2 2-way control valve in the marine industry

    · Food industry:

    Many issues arise while handling the control of the flowing fluid and temperature. Its solution is the 2-way control valve. It is famous in the food and beverages industry for managing the coming feed and taking the finished products to the warehouses. The major task performed by the 2-way control valve is to help in controlling the temperature and delivering an accurate response.

    · Pipeline industry:

    Some issues arise in the pipeline industry. The 2-way control valve helps in transporting the gases and liquids from the sources delivered to the destinations. It is also useful in terms of optimizing the working conditions of the pipes.

    · Oil and gas industry:

    You cannot ignore the role of the 2-way control valve in the oil and gas industry. They assist in managing the flow rate, providing guidance to the refinery procedures, and isolating the equipment of the crude oils. The 2-way control valve helps in controlling the processes according to the temperature and pressure present in the oil and gas industry. The working of the 2-way control valve is according to the size of the flowing passages and working through the pneumatic or hydraulic signals sent by the system. The automation procedures of the 2-way control valve can work remotely compared to the operator that is monitoring the processes continuously.

    Why you should use the 2-way control valve for hot water, steam, and transferring the oil?

    The connection of the 2-way control valve is along with the regulators of the temperature and pressure that help manage the variety of industrial processes, marine installations, and centrally heating of the plants. There are some significant benefits of using the 2-way control valve that is as follows:

    · Low leakage rate:

    The leakage rate in the 2-way control valve is just 0.01% which shows less leakage throughout the 2-way control valve whenever in the closing position. It is along with the optimized regulations. The meaning of low leakage is protecting the system, lifetime is longer, and protecting the system.

    · Easy to maintain:

    The mounting of the spindle sealing on the top of the 2-way control valve helps in easy maintaining the 2-way control valve. Therefore, the downtime is low and reduces the risk of destruction. You can easily access the seat of the 2-way control valve, the plug is easy to excess and exchange.

    · Lightweight and compact design:

    The compact design provides saving of approximately 50% in terms of height. This makes the 2-way control valve suitable for the applications. It also helps in transporting, saving space, and no longer needing the supportive structure. Moreover, you can install the 2-way control valve in both horizontal and vertical directions as well. The spindle facilitates along with the flexibility, saving the cost of installation and making the low down time because of the easy accessibility to the 2-way control valve/ actuator.

    What are the selection criteria for the 2-way control valve?

    The selection of the material plays an important role in the specifications of the 2-way control valve. it is received assurance about the compatibility along with the wetted parts of the 2-way control valve and medium passing through them. The sizing is also an important factor to determine the size and diameter of the pipe. You must also consider the flow rate and the width that is between the flanges of the pipes of the 2-way control valve. The concern of the material is not limited to the wetted parts as it also includes the involvement of the materials used in the body of the 2- way control valve. For example, the use of the  2-way control valve in the food processing industry has to be resistant and able to wash out the chemicals. It is the demand to use the stainless steel in the body of the 2-way control valve. Some of the valves need lining to bring improvement against the corrosive fluids. You can also use PTFE to make wear resistance. They are also available in brass so it is easy to fit along with the flanges in a short time. You can even remove it from the pipeline for sanitization at an internal level. The famous styling of the 2-way control valve has no contact with the parts of metal. Instead of this, the actuators are available to provide flexibility and elements are available for opening and closing the passages for the 2-way control valve. Even you get rid of internal parts of metal inside the stream of the fluid. You have to consider these while selecting and using the 2-way valve control.

    What is the difference between the 2-way control valve and the 3-way control valve?

    The 2-way control valve and 3- way control valve is very common to use in industrial applications. The definition of these valves is according to the number of ports. Therefore, more differences exist between both of them so go through and choose any one of them depending on your requirements.

    Working operation of the 2-way control valve:

    Whenever the fluid starts entering from the inlet of the 2-way control valve, the particular position of the plug indicates the amount of fluid that should leave the outlet. Whenever the position of the spindle and plug is in an upward direction, the 2-way control valve closes completely. Whenever the plug and spindle are in a downward direction, the 2-way control opens. The accurate positioning of the plug helps in controlling the flow rate in the whole of the 2-way control valve.

    The use of the 2-way control valve in the hot water or chilled applications

    In a few of the hot water or chilled applications, 2-way control valve are the most suitable ones. You need to adjust the plug and spindle to make sure that the system is working. The working of the 2-way control valve has to work in the maximum range of efficiency. You can do these activities whenever the particularly whenever the 2-way control valve is 30 to 80% open. The proper functioning of the 2-way control valve in this range prevents the 2-way control valve from any damage and increases its life of the 2-way control valve. While you are using the 2-way control valve, there is a prominent increase in the efficiency of the process and it also reduces the working cost. The 2-way control valve facilitates its users along with its capability to operate the cooling and heating systems at different flow rates.

    Working operation of the 3-way control valve:

    The components of 3-way control are similar to the 2-way control valve. The difference lies just because of one more extra port. The controlling of the 3-way control valve is through the pneumatic or electric actuators. The purpose of using these valve is for diverting the flowing fluids or mixing them from the inlets and output delivers from one outlet. Whenever you the 3-way control valve as the mixing of the valves, fluids enter from 2 inlets entering and mixing in the body of the 3-way control. Later on, the transmission is from the port. The mixing of the fluids along with the various temperature and pressure. They all combine and pass through the outlet along with the particular properties. When you are using the 3-way control valve as the diverging valve, one port works as the inlet and 2 ports work as the outlet. When the plug and spindle are in an upward direction, one port gets blocked and then allowed to flow from only one direction.

    figure 5 working of the 3-way working valve

    Uses of the 2-way control valve:

    • On/off applications–àopen or closes the flow of the 2-way control valve immediately
    • Variation in the flowing systems-àThe use of the 2-way control valve is the changes in the temperature, flow, and pressure of the system.

    Uses of the 3-way control valve:

    • Mixing of the valves–àThere is the mixing of the fluids from the two of the inlets and getting delivered from one outlet
    • Diverging of the valves-àThe functionality of the single port is as the inlet and the purpose of port A along with the port B is the outlet

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