<p>Main features<br>1. Multiple pressure units:<br>The pressure gauge can display multiple pressure units, such as psi, bar, MPa, etc., to meet different application requirements.<br>2. Temperature measurement function:<br>Some pressure gauges also integrate temperature measurement functions, which can display pressure and temperature at the same time, providing more comprehensive data.<br>3. High precision:<br>The pressure gauge usually has high precision and can provide accurate pressure readings to ensure the safety and efficiency of the system.<br>4. Durability:<br>The pressure gauge is made of durable materials, such as stainless steel or high-strength plastic, which can withstand harsh working environments.<br>5. Easy to install and use:<br>The pressure gauge has a simple design, is easy to install and use, and is usually connected to the system through a threaded interface.</p>

<p>Main features<br>1. Single pressure gauge design:<br>The pressure gauge is used to measure the pressure in the system, and the unit can be psi or bar.<br>The pressure gauge is also marked with a temperature scale, which can measure the temperature of the refrigerant at the same time.<br>2. Manual regulating valve:<br>The manual regulating valve is used to control the flow of refrigerant, thereby adjusting the pressure in the system.<br>The regulating valve usually has a handle for easy operation.<br>3. Connection interface:<br>Single-gauge valves usually have an interface that connects to the corresponding side of the refrigeration system (high-pressure side or low-pressure side).<br>The interface usually uses a standard threaded connection for easy installation and removal.<br>4. Material:<br>Single-gauge valves are usually made of corrosion-resistant materials, such as brass or stainless steel, to adapt to different refrigerants and working environments.</p>

&lt;p&gt;Main features&lt;br&gt;1. Single pressure gauge design:&lt;br&gt;The pressure gauge is used to measure the pressure in the system, and the unit can be psi or bar.&lt;br&gt;The pressure gauge is also marked with a temperature scale, which can measure the temperature of the refrigerant at the same time.&lt;br&gt;2. Manual regulating valve:&lt;br&gt;The manual regulating valve is used to control the flow of refrigerant, thereby adjusting the pressure in the system.&lt;br&gt;The regulating valve usually has a handle for easy operation.&lt;br&gt;3. Connection interface:&lt;br&gt;Single-gauge valves usually have an interface that connects to the corresponding side of the refrigeration system (high-pressure side or low-pressure side).&lt;br&gt;The interface usually uses a standard threaded connection for easy installation and removal.&lt;br&gt;4. Material:&lt;br&gt;Single-gauge valves are usually made of corrosion-resistant materials, such as brass or stainless steel, to adapt to different refrigerants and working environments.&lt;/p&gt;

&lt;p&gt;Main features&lt;br&gt;1. Single pressure gauge design:&lt;br&gt;The pressure gauge is used to measure the pressure in the system, and the unit can be psi or bar.&lt;br&gt;The pressure gauge is also marked with a temperature scale, which can measure the temperature of the refrigerant at the same time.&lt;br&gt;2. Manual regulating valve:&lt;br&gt;The manual regulating valve is used to control the flow of refrigerant, thereby adjusting the pressure in the system.&lt;br&gt;The regulating valve usually has a handle for easy operation.&lt;br&gt;3. Connection interface:&lt;br&gt;Single-gauge valves usually have an interface that connects to the corresponding side of the refrigeration system (high-pressure side or low-pressure side).&lt;br&gt;The interface usually uses a standard threaded connection for easy installation and removal.&lt;br&gt;4. Material:&lt;br&gt;Single-gauge valves are usually made of corrosion-resistant materials, such as brass or stainless steel, to adapt to different refrigerants and working environments.&lt;/p&gt;

&lt;p&gt;Main features&lt;br&gt;1. Single pressure gauge design:&lt;br&gt;The pressure gauge is used to measure the pressure in the system, and the unit can be psi or bar.&lt;br&gt;The pressure gauge is also marked with a temperature scale, which can measure the temperature of the refrigerant at the same time.&lt;br&gt;2. Manual regulating valve:&lt;br&gt;The manual regulating valve is used to control the flow of refrigerant, thereby adjusting the pressure in the system.&lt;br&gt;The regulating valve usually has a handle for easy operation.&lt;br&gt;3. Connection interface:&lt;br&gt;Single-gauge valves usually have an interface that connects to the corresponding side of the refrigeration system (high-pressure side or low-pressure side).&lt;br&gt;The interface usually uses a standard threaded connection for easy installation and removal.&lt;br&gt;4. Material:&lt;br&gt;Single-gauge valves are usually made of corrosion-resistant materials, such as brass or stainless steel, to adapt to different refrigerants and working environments.&lt;/p&gt;

&lt;p&gt;Main features&lt;br&gt;1. Single pressure gauge design:&lt;br&gt;The pressure gauge is used to measure the pressure in the system, and the unit can be psi or bar.&lt;br&gt;The pressure gauge is also marked with a temperature scale, which can measure the temperature of the refrigerant at the same time.&lt;br&gt;2. Manual regulating valve:&lt;br&gt;The manual regulating valve is used to control the flow of refrigerant, thereby adjusting the pressure in the system.&lt;br&gt;The regulating valve usually has a handle for easy operation.&lt;br&gt;3. Connection interface:&lt;br&gt;Single-gauge valves usually have an interface that connects to the corresponding side of the refrigeration system (high-pressure side or low-pressure side).&lt;br&gt;The interface usually uses a standard threaded connection for easy installation and removal.&lt;br&gt;4. Material:&lt;br&gt;Single-gauge valves are usually made of corrosion-resistant materials, such as brass or stainless steel, to adapt to different refrigerants and working environments.&lt;/p&gt;

&lt;p&gt;Main features&lt;br&gt;1. Single pressure gauge design:&lt;br&gt;The pressure gauge is used to measure the pressure in the system, and the unit can be psi or bar.&lt;br&gt;The pressure gauge is also marked with a temperature scale, which can measure the temperature of the refrigerant at the same time.&lt;br&gt;2. Manual regulating valve:&lt;br&gt;The manual regulating valve is used to control the flow of refrigerant, thereby adjusting the pressure in the system.&lt;br&gt;The regulating valve usually has a handle for easy operation.&lt;br&gt;3. Connection interface:&lt;br&gt;Single-gauge valves usually have an interface that connects to the corresponding side of the refrigeration system (high-pressure side or low-pressure side).&lt;br&gt;The interface usually uses a standard threaded connection for easy installation and removal.&lt;br&gt;4. Material:&lt;br&gt;Single-gauge valves are usually made of corrosion-resistant materials, such as brass or stainless steel, to adapt to different refrigerants and working environments.&lt;/p&gt;

&lt;p&gt;Main features&lt;br&gt;1. Dual pressure gauge design:&lt;br&gt;The blue pressure gauge is usually used to measure the pressure on the low-pressure side, and the unit can be psi or bar.&lt;br&gt;The red pressure gauge is used to measure the pressure on the high-pressure side, and the unit can also be psi or bar.&lt;br&gt;The pressure gauge is also marked with a temperature scale, which can measure the temperature of the refrigerant at the same time.&lt;br&gt;2. Manual regulating valve:&lt;br&gt;The manual regulating valve is used to control the flow of refrigerant, thereby adjusting the pressure in the system.&lt;br&gt;The regulating valve usually has two handles, which control the flow on the high-pressure side and the low-pressure side respectively.&lt;br&gt;3. Connection interface:&lt;br&gt;Dual gauge valves usually have two interfaces, which are connected to the high-pressure side and the low-pressure side of the refrigeration system respectively.&lt;br&gt;The interface usually adopts standard threaded connection for easy installation and disassembly.&lt;br&gt;4. Safety device:&lt;br&gt;Some dual gauge valves are equipped with safety devices, such as pressure relief valves, to prevent damage caused by excessive system pressure.&lt;br&gt;5. Material:&lt;br&gt;Dual gauge valves are usually made of corrosion-resistant materials, such as brass or stainless steel, to adapt to different refrigerants and working environments.&lt;/p&gt;

&lt;p&gt;Main features&lt;br&gt;1. Dual pressure gauge design:&lt;br&gt;The blue pressure gauge is usually used to measure the pressure on the low-pressure side, and the unit can be psi or bar.&lt;br&gt;The red pressure gauge is used to measure the pressure on the high-pressure side, and the unit can also be psi or bar.&lt;br&gt;The pressure gauge is also marked with a temperature scale, which can measure the temperature of the refrigerant at the same time.&lt;br&gt;2. Manual regulating valve:&lt;br&gt;The manual regulating valve is used to control the flow of refrigerant, thereby adjusting the pressure in the system.&lt;br&gt;The regulating valve usually has two handles, which control the flow on the high-pressure side and the low-pressure side respectively.&lt;br&gt;3. Connection interface:&lt;br&gt;Dual gauge valves usually have two interfaces, which are connected to the high-pressure side and the low-pressure side of the refrigeration system respectively.&lt;br&gt;The interface usually adopts standard threaded connection for easy installation and disassembly.&lt;br&gt;4. Safety device:&lt;br&gt;Some dual gauge valves are equipped with safety devices, such as pressure relief valves, to prevent damage caused by excessive system pressure.&lt;br&gt;5. Material:&lt;br&gt;Dual gauge valves are usually made of corrosion-resistant materials, such as brass or stainless steel, to adapt to different refrigerants and working environments.&lt;/p&gt;

&lt;p&gt;Main features&lt;br&gt;1. Dual pressure gauge design:&lt;br&gt;The blue pressure gauge is usually used to measure the pressure on the low-pressure side, and the unit can be psi or bar.&lt;br&gt;The red pressure gauge is used to measure the pressure on the high-pressure side, and the unit can also be psi or bar.&lt;br&gt;The pressure gauge is also marked with a temperature scale, which can measure the temperature of the refrigerant at the same time.&lt;br&gt;2. Manual regulating valve:&lt;br&gt;The manual regulating valve is used to control the flow of refrigerant, thereby adjusting the pressure in the system.&lt;br&gt;The regulating valve usually has two handles, which control the flow on the high-pressure side and the low-pressure side respectively.&lt;br&gt;3. Connection interface:&lt;br&gt;Dual gauge valves usually have two interfaces, which are connected to the high-pressure side and the low-pressure side of the refrigeration system respectively.&lt;br&gt;The interface usually adopts standard threaded connection for easy installation and disassembly.&lt;br&gt;4. Safety device:&lt;br&gt;Some dual gauge valves are equipped with safety devices, such as pressure relief valves, to prevent damage caused by excessive system pressure.&lt;br&gt;5. Material:&lt;br&gt;Dual gauge valves are usually made of corrosion-resistant materials, such as brass or stainless steel, to adapt to different refrigerants and working environments.&lt;/p&gt;