1. The role of water balance. The Check Valve Industrial is reasonable, ensuring reliable fresh air distribution in different areas.
2. The function of energy-saving and precise control of air volume. On the premise of ensuring the fresh air volume, the system runs energy-saving and low-consumption
3. It is widely used in the industrial waste gas treatment industry, which can accurately control waste gas emissions and prevent the backflow of toxic waste gas.
4. The effect of reducing noise. It can effectively reduce wind noise and other noise in the air duct, especially in the exhaust system of industrial production and office buildings, replacing exhaust fans, significantly reducing noise, saving energy, and maintaining continuous ventilation.

The Check Valve with nothing to do with the pipeline pressure is used in the central fresh air system and exhaust system to effectively ensure the continuous new air volume and exhaust volume effectively and accurately control the air volume and reduce noise. They are usually used in a large area in the air duct system of the central fresh air system and exhaust system of hotels, hospitals, office buildings, and other places to replace traditional manual valves and exhaust fans.

Check Valve Duct Damper Control has a range:

The Check Valve  is suitable for industrial waste gas treatment, civil building HVAC systems, ventilation equipment in school laboratories, and hospital ventilation and exhaust systems. It is one of the vital equipment to control ventilation modes in various environments. Its main features are flexible operation, low noise, small leakage (closed type leakage> 0.5%), wide operating temperature range, reliable structure, safe and convenience.

Warrantry time: 1 year

• Product spec: Custom
• Material: 100% polypropylene
• Shape: round or square
• Contact information
• Email: Leyte@chian-xicheng.com

The Butterfly Valve is made of PP/PVC material, which is resistant to acid and alkali corrosion. The working principle of the PP/PVC plastic manual air valve is the same as that of the PP/PVC electric air valve, except that the electric actuator is changed to a pneumatic actuator, and the air pipe is controlled by a third-party plate solenoid valve. The switch realizes the opening and closing of the Manual Damper.

Butterfly Valve is suitable for application environments with explosion-proof requirements such as chemical plants and laboratories. Used in PVC ventilation duct system, connected with PVC air duct. It is used for exhaust control of corrosive gas, corrosion resistance and acid resistance. Manual Damper have complete specifications, and are equipped with PP/PVC air ducts, elbows, tees, and reducers to form a complete PP/PVC ventilation duct system. The pneumatic actuator of the PP/PVC plastic manual air valve can be selected according to the specifications of the air valve. torque.

Butterfly Valve is a kind of non-closed butterfly valve, which is widely used in universities, chemical industry, biology, electric power, energy, environmental engineering, etc. During the production process, the medium temperature is less than or equal to 90℃, and the nominal pressure is less than 0.1Mpa. Connect, open and close or adjust the medium, usually installed at the top of the fume hood, PVC suction hood, and at the entrance of the pipeline of the spray tower to be used as the switching direction of the exhaust gas flow of the spray tower

• Warrantry time: 1 year
• Product spec: Custom
• Material: 100% polypropylene
• Shape: round or square
• Contact information
• Email: Leyte@chian-xicheng.com
• Whatsapp: +86 19925135783

The The Restricts Air Flow Valve produced by Xicheng EP Ltd. is mainly used in PP material ventilation duct system, connected with PP air duct, used for corrosive gas extraction and exhaust control, anti-corrosion acid and alkali resistance, PP electric air valve specifications Complete, supporting PP air ducts, elbows, tees, and variable diameters are used to form a complete PP ventilation duct system. The damper body below ø315 is injection-molded, and the body above ø315 is custom-made by coil.

The Restricts Air Flow Valve is a kind of non-sealed butterfly valve, which is widely used in colleges, chemical, biological, electric power, energy, environmental engineering, etc. in the production process, the medium temperature is less than or equal to 90 ℃, and the nominal pressure is less than 0.1Mpa. , Open and close or adjust the medium, usually installed on the top of the fume hood, the PP suction hood and the inlet of the pipeline of the one-use-one-standby spray tower, as a switch to the exhaust gas flow direction of the PP spray tower.

The Restricts Air Flow Valve

The Restricts Air Flow Valve is installed in the PP pipeline system. Through manual operation or PLC automatic control technology, the PP electric air valve can be opened and closed according to the needs. Drive the rotation of the butterfly valve blade to achieve a 90-degree angle, achieve the purpose of opening and closing, and have a feedback indication function. Through the differential pressure detection device, after closing the air valve, the signal is transmitted to the PLC system, so as to control the PP fan inverter to reduce the speed and save energy.

The Restricts Air Flow Valve

Voltage: AC220V
Current: <0.1A
Torque: 8N/m
Switch stroke: 6 seconds

The Restricts Air Flow Valve performance characteristics

PP material processing, acid and alkali corrosion resistance, strong anti-corrosion performance;
Both ends of the Analog Electric Damper are designed with sockets and flanges, and flanges can also be welded;
High-strength actuator, all-copper design, switch life more than 20,000 times;
The inner and outer walls are smooth and the wind resistance is small.

The Restricts Air Flow Valve specifications and models

The Restricts Air Flow Valve industry application

Workshop ventilation system
Chemical fresh air system
Laboratory ventilation system
HVAC system

• Warrantry time: 1 year
• Product spec: Custom
• Material: 100% polypropylene
• Shape: round or square
• Contact information
• Email: Leyte@chian-xicheng.com
• Whatsapp: +86 19925135783

1. The role of water balance. The PVC Swing Check Valve Industrial is reasonable, ensuring reliable fresh air distribution in different areas.

2. The function of energy-saving and precise control of air volume. On the premise of ensuring the fresh air volume, the system runs energy-saving and low-consumption

3. It is widely used in the industrial waste gas treatment industry, which can accurately control waste gas emissions and prevent the backflow of toxic waste gas.

4. The effect of reducing noise. It can effectively reduce wind noise and other noise in the air duct, especially in the exhaust system of industrial production and office buildings, replacing exhaust fans, significantly reducing noise, saving energy, and maintaining continuous ventilation.

The PVC Swing Check Valve Industrial with nothing to do with the pipeline pressure is used in the central fresh air system and exhaust system to effectively ensure the continuous new air volume and exhaust volume effectively and accurately control the air volume and reduce noise. They are usually used in a large area in the air duct system of the central fresh air system and exhaust system of hotels, hospitals, office buildings, and other places to replace traditional manual valves and exhaust fans.

The PVC Swing Check Valve Industrial has a range:

The PVC Swing Check Valve Industrial is suitable for industrial waste gas treatment, civil building HVAC systems, ventilation equipment in school laboratories, and hospital ventilation and exhaust systems. It is one of the vital equipment to control ventilation modes in various environments. Its main features are flexible operation, low noise, small leakage (closed type leakage> 0.5%), wide operating temperature range, reliable structure, safe and convenience.

• Warrantry time: 1 year
• Product spec: Custom
• Material: 100% polypropylene
• Shape: round or square
• Contact information
• Email: Leyte@chian-xicheng.com
• Whatsapp: +86 19925135783

The Manually Operated Air Auct Air Volume Damper is made of PP/PVC material, which is resistant to acid and alkali corrosion. The working principle of the PP/PVC plastic manual air valve is the same as that of the PP/PVC electric air valve, except that the electric actuator is changed to a pneumatic actuator, and the air pipe is controlled by a third-party plate solenoid valve. The switch realizes the opening and closing of the Manual Damper.

Manually Operated Air Auct Air Volume Damper is suitable for application environments with explosion-proof requirements such as chemical plants and laboratories. Used in PVC ventilation duct system, connected with PVC air duct. It is used for exhaust control of corrosive gas, corrosion resistance and acid resistance. Manually Operated Air Auct Air Volume Damper have complete specifications, and are equipped with PP/PVC air ducts, elbows, tees, and reducers to form a complete PP/PVC ventilation duct system. The pneumatic actuator of the PP/PVC plastic manual air valve can be selected according to the specifications of the air valve. torque.

Manually Operated Air Auct Air Volume Damper is a kind of non-closed butterfly valve, which is widely used in universities, chemical industry, biology, electric power, energy, environmental engineering, etc. During the production process, the medium temperature is less than or equal to 90℃, and the nominal pressure is less than 0.1Mpa. Connect, open and close or adjust the medium, usually installed at the top of the fume hood, PVC suction hood, and at the entrance of the pipeline of the spray tower to be used as the switching direction of the exhaust gas flow of the spray tower

• Warrantry time: 1 year
• Product spec: Custom
• Material: 100% polypropylene
• Shape: round or square
• Contact information
• Email: Leyte@chian-xicheng.com
• Whatsapp: +86 19925135783

The Polyethylene Plastic Damper is made of PP/PVC material, which is resistant to acid and alkali corrosion. The working principle of the PP/PVC plastic manual air valve is the same as that of the PP/PVC electric air valve, except that the electric actuator is changed to a pneumatic actuator, and the air pipe is controlled by a third-party plate solenoid valve. The switch realizes the opening and closing of the Manual Damper.

Polyethylene Plastic Damper is suitable for application environments with explosion-proof requirements such as chemical plants and laboratories. Used in PVC ventilation duct system, connected with PVC air duct. It is used for exhaust control of corrosive gas, corrosion resistance and acid resistance. Manual Damper have complete specifications, and are equipped with PP/PVC air ducts, elbows, tees, and reducers to form a complete PP/PVC ventilation duct system. The pneumatic actuator of the PP/PVC plastic manual air valve can be selected according to the specifications of the air valve. torque.

Polyethylene Plastic Damper is a kind of non-closed butterfly valve, which is widely used in universities, chemical industry, biology, electric power, energy, environmental engineering, etc. During the production process, the medium temperature is less than or equal to 90℃, and the nominal pressure is less than 0.1Mpa. Connect, open and close or adjust the medium, usually installed at the top of the fume hood, PVC suction hood, and at the entrance of the pipeline of the spray tower to be used as the switching direction of the exhaust gas flow of the spray tower

• Warrantry time: 1 year
• Product spec: Custom
• Material: 100% polypropylene
• Shape: round or square
• Contact information
• Email: Leyte@chian-xicheng.com
• Whatsapp: +86 19925135783

The Constant Air Volume dampers (CAV) is made of PP/PVC material, which is resistant to acid and alkali corrosion. The working principle of the PP/PVC plastic manual air valve is the same as that of the PP/PVC electric air valve, except that the electric actuator is changed to a pneumatic actuator, and the air pipe is controlled by a third-party plate solenoid valve. The switch realizes the opening and closing of the Manual Damper.

Constant Air Volume dampers (CAV) is suitable for application environments with explosion-proof requirements such as chemical plants and laboratories. Used in PVC ventilation duct system, connected with PVC air duct. It is used for exhaust control of corrosive gas, corrosion resistance and acid resistance. Manual Damper have complete specifications, and are equipped with PP/PVC air ducts, elbows, tees, and reducers to form a complete PP/PVC ventilation duct system. The pneumatic actuator of the PP/PVC plastic manual air valve can be selected according to the specifications of the air valve. torque.

Constant Air Volume dampers (CAV) is a kind of non-closed butterfly valve, which is widely used in universities, chemical industry, biology, electric power, energy, environmental engineering, etc. During the production process, the medium temperature is less than or equal to 90℃, and the nominal pressure is less than 0.1Mpa. Connect, open and close or adjust the medium, usually installed at the top of the fume hood, PVC suction hood, and at the entrance of the pipeline of the spray tower to be used as the switching direction of the exhaust gas flow of the spray tower

• Warrantry time: 1 year
• Product spec: Custom
• Material: 100% polypropylene
• Shape: round or square
• Contact information
• Email: Leyte@chian-xicheng.com
• Whatsapp: +86 19925135783

The CAV Damper/Constant Air Damper produced by Xicheng EP Ltd. is mainly used in PP material ventilation duct system, connected with PP air duct, used for corrosive gas extraction and exhaust control, anti-corrosion acid and alkali resistance, PP electric air valve specifications Complete, supporting PP air ducts, elbows, tees, and variable diameters are used to form a complete PP ventilation duct system. The damper body below ø315 is injection-molded, and the body above ø315 is custom-made by coil.

CAV Damper/Constant Air Damper is a kind of non-sealed butterfly valve, which is widely used in colleges, chemical, biological, electric power, energy, environmental engineering, etc. in the production process, the medium temperature is less than or equal to 90 ℃, and the nominal pressure is less than 0.1Mpa. , Open and close or adjust the medium, usually installed on the top of the fume hood, the PP suction hood and the inlet of the pipeline of the one-use-one-standby spray tower, as a switch to the exhaust gas flow direction of the PP spray tower.

CAV Damper/Constant Air Damper

The CAV Damper/Constant Air Damper is installed in the PP pipeline system. Through manual operation or PLC automatic control technology, the PP electric air valve can be opened and closed according to the needs. Drive the rotation of the butterfly valve blade to achieve a 90-degree angle, achieve the purpose of opening and closing, and have a feedback indication function. Through the differential pressure detection device, after closing the air valve, the signal is transmitted to the PLC system, so as to control the PP fan inverter to reduce the speed and save energy.

CAV Damper/Constant Air Damper parameters

Voltage: AC220V
Current: <0.1A
Torque: 8N/m
Switch stroke: 6 seconds

CAV Damper/Constant Air Damper performance characteristics

PP material processing, acid and alkali corrosion resistance, strong anti-corrosion performance;
Both ends of the Analog Electric Damper are designed with sockets and flanges, and flanges can also be welded;
High-strength actuator, all-copper design, switch life more than 20,000 times;
The inner and outer walls are smooth and the wind resistance is small.

CAV Damper/Constant Air Damper specifications and models

CAV Damper/Constant Air Damper industry application

Workshop ventilation system
Chemical fresh air system
Laboratory ventilation system
HVAC system

• Warrantry time: 1 year
• Product spec: Custom
• Material: 100% polypropylene
• Shape: round or square
• Contact information
• Email: Leyte@chian-xicheng.com
• Whatsapp: +86 19925135783

The Electric Dampers HVAC produced by Xicheng EP Ltd. is mainly used in PP material ventilation duct system, connected with PP air duct, used for corrosive gas extraction and exhaust control, anti-corrosion acid and alkali resistance, PP electric air valve specifications Complete, supporting PP air ducts, elbows, tees, and variable diameters are used to form a complete PP ventilation duct system. The damper body below ø315 is injection-molded, and the body above ø315 is custom-made by coil.

Electric Dampers HVAC is a kind of non-sealed butterfly valve, which is widely used in colleges, chemical, biological, electric power, energy, environmental engineering, etc. in the production process, the medium temperature is less than or equal to 90 ℃, and the nominal pressure is less than 0.1Mpa. , Open and close or adjust the medium, usually installed on the top of the fume hood, the PP suction hood and the inlet of the pipeline of the one-use-one-standby spray tower, as a switch to the exhaust gas flow direction of the PP spray tower.

Electric Dampers HVAC

The Electric Dampers HVAC is installed in the PP pipeline system. Through manual operation or PLC automatic control technology, the PP electric air valve can be opened and closed according to the needs. Drive the rotation of the butterfly valve blade to achieve a 90-degree angle, achieve the purpose of opening and closing, and have a feedback indication function. Through the differential pressure detection device, after closing the air valve, the signal is transmitted to the PLC system, so as to control the PP fan inverter to reduce the speed and save energy.

Electric Dampers HVAC parameters

Voltage: AC220V
Current: <0.1A
Torque: 8N/m
Switch stroke: 6 seconds

Electric Dampers HVAC performance characteristics

PP material processing, acid and alkali corrosion resistance, strong anti-corrosion performance;
Both ends of the Analog Electric Damper are designed with sockets and flanges, and flanges can also be welded;
High-strength actuator, all-copper design, switch life more than 20,000 times;
The inner and outer walls are smooth and the wind resistance is small.

Electric Dampers HVAC specifications and models

Electric Dampers HVAC industry application

Workshop ventilation system
Chemical fresh air system
Laboratory ventilation system
HVAC system

• Warrantry time: 1 year
• Product spec: Custom
• Material: 100% polypropylene
• Shape: round or square
• Contact information
• Email: Leyte@chian-xicheng.com
• Whatsapp: +86 19925135783

The Manual Damper is made of PP/PVC material, which is resistant to acid and alkali corrosion. The working principle of the PP/PVC plastic manual air valve is the same as that of the PP/PVC electric air valve, except that the electric actuator is changed to a pneumatic actuator, and the air pipe is controlled by a third-party plate solenoid valve. The switch realizes the opening and closing of the Manual Damper.

Manual Damper is suitable for application environments with explosion-proof requirements such as chemical plants and laboratories. Used in PVC ventilation duct system, connected with PVC air duct. It is used for exhaust control of corrosive gas, corrosion resistance and acid resistance. Manual Damper have complete specifications, and are equipped with PP/PVC air ducts, elbows, tees, and reducers to form a complete PP/PVC ventilation duct system. The pneumatic actuator of the PP/PVC plastic manual air valve can be selected according to the specifications of the air valve. torque.

Manual Damper is a kind of non-closed butterfly valve, which is widely used in universities, chemical industry, biology, electric power, energy, environmental engineering, etc. During the production process, the medium temperature is less than or equal to 90℃, and the nominal pressure is less than 0.1Mpa. Connect, open and close or adjust the medium, usually installed at the top of the fume hood, PVC suction hood, and at the entrance of the pipeline of the spray tower to be used as the switching direction of the exhaust gas flow of the spray tower

• Warrantry time: 1 year
• Product spec: Custom
• Material: 100% polypropylene
• Shape: round or square
• Contact information
• Email: Leyte@chian-xicheng.com
• Whatsapp: +86 19925135783