MY-55 Compressed gas regulator made in China

Compressed gas regulator made in China,

Carbon Dioxide All-copper Pressure Regulating Valve, Pressure Reducing Valve, Pressure Reducing Gauge and Pressure Gauge, Argon Pressure Regulator

Model: MY-55

Measurement Range: 0 - 15 (MPa)

Purpose: Mixed gas

Name: Mixed gas pressure regulator

Material: Copper electroplating

Net weight: 1.1 KG

Features: The overall structure is compact and has good sealing performance. Standard gas, methane, oxygen, argon, nitrogen, carbon dioxide, acetylene, propane... etc.

can all be used with this pressure regulator.

 Name: Mixed gas pressure regulator

 Inlet connection thread: G5/8

 Outlet connection thread: M8

 hose The mixed gas pressure regulator is a device used to regulate the pressure of mixed gases. The following is a detailed introduction to it:

### Definition and Function The mixed gas pressure regulator is mainly applied in scenarios where multiple gases need to be mixed in a certain proportion for relevant operations, such as in some specific welding processes and gas protection experiments. In these cases, mixed gases composed of different gases such as oxygen, argon, and carbon dioxide in a certain proportion will be used. Its key function is to reduce the high-pressure mixed gas stored in the gas cylinder to a stable working pressure required by the subsequent equipment (such as welding torches, experimental instruments, etc.), ensuring that the mixed gas can be supplied smoothly and continuously to meet the corresponding process requirements. ### Structural Features

- **Multiple Gas Interfaces**: It usually has multiple gas inlets to connect to different types of gas sources. Moreover, the design of each interface will consider adapting to the valve specifications of different gas cylinders to facilitate connection operations.

- **Precision Pressure Reducing and Adjusting Components**: It contains key components such as adjusting springs, diaphragms, and pressure reducing valves inside, which are similar to those of ordinary single-gas pressure regulators. However, it has higher requirements in terms of precision and adapting to the characteristics of mixed gases. For example, the diaphragm should be able to adapt to the corrosion and deformation effects that may be caused by different gas components, ensuring that the pressure can still be accurately adjusted under the long-term use and the action of multiple gases. The design of the pressure reducing valve should be able to precisely control the flow and pressure changes of different gases during the pressure reduction process, so that the pressure of the mixed gas is uniform and stable after the overall pressure reduction. - **Pressure Display Device**: It is generally equipped with a pressure gauge, which can display the high-pressure value of the mixed gas before entering the pressure regulator and the low-pressure value after pressure reduction in real time, facilitating operators to intuitively understand the pressure situation and conduct adjustment operations in a timely manner.

 ### Working Principle When the high-pressure mixed gas enters the mixed gas pressure regulator from the gas cylinder through the pipeline, it first acts on the pressure reducing valve. The pressure of the gas overcomes the acting force of components such as the adjusting spring and pushes open the pressure reducing valve, allowing the mixed gas to enter the low-pressure chamber. As the gas pressure in the low-pressure chamber gradually increases, it will push the elastic components such as the diaphragm to deform. Through the linkage mechanism, feedback is given to the pressure reducing valve, causing its opening degree to gradually decrease until a balanced state is reached. At this time, the mixed gas is output at a stable set pressure and supplied to the subsequent equipment for use.

### Classification

 - **Classification by Adjustment Stages**: - **Single-stage Mixed Gas Pressure Regulator**: It has a relatively simple structure and a lower cost. It can meet the ordinary application scenarios where the precision requirements for the pressure of mixed gases are not particularly high, such as the conventional mixed gas pressure reduction used in simple small welding operations. However, its output pressure is relatively more affected by fluctuations in the inlet pressure, and the pressure adjustment range will be relatively narrower.

 - **Multi-stage Mixed Gas Pressure Regulator**: Through multi-stage pressure reduction methods, it can more accurately control the final output pressure of the mixed gas. It has a wide pressure adjustment range and good output pressure stability. It can perform excellently even in complex processes where there are large fluctuations in the inlet pressure or high precision requirements for the pressure of mixed gases (such as in the welding of some high-precision electronic components and gas protection processing of special materials). However, its structure is complex and the cost is relatively high. - **Classification by Types of Applicable Mixed Gases

**: There are special mixed gas pressure regulators suitable for oxygen-argon mixed gases, carbon dioxide-argon mixed gases, hydrogen-nitrogen mixed gases, etc. They have been optimized in terms of material selection and internal structure design according to the physical and chemical characteristics of different mixed gases (such as gas density, corrosiveness, flammability, etc.) to ensure that the pressure reduction and adjustment of the corresponding mixed gases are safe, reliable, and efficient.

 ### Precautions for Use

- **Correct Model Selection**: It is necessary to accurately select the appropriate model and specification of the mixed gas pressure regulator according to factors such as the actual composition of the mixed gas used, the required flow range, the expected pressure adjustment precision, and the requirements of the supporting equipment for gas pressure, so as to avoid affecting the use effect or even causing safety hazards due to improper model selection. - **Installation Specifications**: During installation, it is necessary to strictly follow the requirements of the instruction manual, correctly connect each gas interface, ensure that the connection is firm and the sealing is good to prevent the leakage of mixed gases. At the same time, attention should be paid to ensuring that the installation position and direction of the pressure regulator meet the requirements, which is convenient for operation and observing the pressure gauge readings.

- **Regular Calibration and Maintenance**: Since the mixed gas pressure regulator is in a complex gas environment for a long time and is related to the use safety, it is necessary to regularly calibrate it, check the accuracy of the pressure gauge, the flexibility of the pressure reducing valve, the sealing performance, etc. If any problems are found, relevant parts should be repaired or replaced in time to ensure that it is always in a good working state.

 - **Safe Operation**: Given that many mixed gases have the dangers of being flammable, explosive, oxidizing, asphyxiating, etc., it is necessary to strictly abide by relevant safety regulations during the operation process. For example, when opening and closing gas valves, the operation should be slow to prevent sudden pressure changes. In the place of use, corresponding ventilation facilities, fire extinguishing equipment and other safety guarantee measures should be equipped to ensure that the use process is safe.