The pneumatic quick-release butterfly valve is a diverter merger or flow direction switching device. This valve is mainly composed of valve body, disc, sealing ring, transmission and stem. When the disc rotates in the valve body, the medium can be circulated or closed.
Pneumatic quick-release butterfly valves have the characteristics of simple structure, easy operation, good sealing performance, wear resistance, and corrosion resistance. It is commonly used in situations where quick switching and flow regulation are required, such as chemical, petroleum, power, food, and other industrial fields.
When installing and using pneumatic quick-release butterfly valves, you need to pay attention to the following points:
Ensure that the valve is installed in the correct position and in accordance with the specified orientation.
Before use, the valve needs to be thoroughly inspected to ensure that it is intact.
During use, the valve needs to be regularly inspected and maintained to ensure its normal operation.
When operating the valve, it is necessary to follow the specified operating steps to avoid misoperation or damage to the valve.
PneumaticQuick-install butterfly valveIt is an important fluid control equipment and has been widely used in the industrial field. During use, it is necessary to pay attention to its installation and use requirements to ensure its normal operation and extend its service life.
| Model representation method | ||||||||||||
| WH | -600 | —Q1 | —C1 | —F | —16 | —P | —25 | —D1 | —B | —W2 | —B2 | —L |
| >1. Weiheng brand | >2. Drive mode | >3. Valve body type | >4. Connection method | >5. Sealing material | >6. Nominal pressure | >7. Valve body material | >8. Nominal diameter | >9. Control mode | >10. Explosion-proof level | —20~150℃ | >12. Accessory options | >13. Three flows |
| 1~7 mandatory options, 8~13 optional | ||||||||||||
| 1 codename | 5 codename | Sealed material | 10 code | Explosion-proof rating | |
| WH | Weiheng brand | F | PTFE | B | ExdIl BT4 Gb explosionproof and explosion-proof type |
| PPL | Para-polyphenylene | BZ | ExdllCT5 Gb explosion-proof and explosion-proof type | ||
| 2 codename | Drive mode | H | Metal hard seal | BC | Exdll CT6 Gb explosionproof and explosion-proof type |
| 600 | Pneumatic actuator series | Y | cemented carbide | BM | ExmbllT4 Gb cast explosion-proof type |
| 900 | Electric actuator system | X1 | Ding Qing rubber NBR | BA | Exiall CT6Ga intrinsically safe and explosion-proof |
| 2001 | Column plastic actuator angle seat valve series | X2 | Natural rubber NR | ||
| 2002 | Stainless steel actuator angle seat valve series | X3 | EPDM | 11 codenames | Medium temperature |
| X4 | Viton rubber FPM | W1 | -20-80C | ||
| 3 codename | Body type | X5 | Food grade silicone rubber SI | W2 | -20-150C |
| Q1 | Two-way valve | F46 | Fully lined polyperfluoroethylene FEP | W3 | -20-250C |
| Q2 | Three-way valve | PFA | Fully lined with soluble PTFE PFA | W4 | -29-425C |
| Q3 | Four-way valve | F4 | Fully lined PTFE | W5 | -29-650C |
| Q4 | Stationary ball valve | N | nylon | W6 | -196-60C |
| Q5 | V-ball | TC | Lined ceramic | ...... | ...... |
| Q6 | Low profile ball valve | J | Rubber lining | It has a special temperature that can be designed and manufactured according to customer requirements | |
| Q7 | Sanitary grade ball valves | PEEK | Polyether ether ketone | ||
| Q8 | Plastic ball valves | W | When the ring | 12 codenames | Accessory selection |
| Q9 | High Vacuum Ball Valve | ...... | ...... | B1 | 2-position, 3-way solenoid valve |
| Q10 | Fluorine ball valve in the whole village | Other special sealing materials can be designed and manufactured according to customer requirements | B2 | 2-position 5-way solenoid valve | |
| Q11 | Cryogenic ball valves | B3 | 2-position 3-way explosion-proof solenoid valve | ||
| Q12 | Insulated ball valve | 6 codename | Nominal pressure | B4 | 2-position 5-way explosion-proof solenoid valve |
| Q13 | Eccentric hemispherical valve | ...... | ...... | B5 | Filter pressure reducing valve |
| Q14 | Tank bottom valve | B6 | Limit switch | ||
| Q15 | Ceramic ball valves | 7 codename | Body material | B7 | Explosion-proof limit switch |
| D1 | Centerline soft-sealed butterfly valve | Q | Ductile iron HT200 | B8 | Hand manipulation mechanism |
| D2 | 3. Eccentric butterfly valve | C | carbon steel | B9 | Locator |
| D3 | Sanitary Butterfly Valve | P | Stainless steel 304 | ...... | ...... |
| D4 | Plastic butterfly valve | R | Stainless steel 316 | ||
| D5 | Ventilation butterfly valve | PL | Stainless steel 304L | 13 codenames | Three flows |
| D6 | Fluorine butterfly valve in the whole village | RL | Stainless steel 316L | L | Tee L-type BC switching |
| D7 | High vacuum butterfly valve | U | PVC UPVC | T1 | Tee T-type C-port switch |
| D8 | Powder butterfly valve | PP | Reinforced polypropylene RPP | T2 | Tee T-type AB switching |
| Z1 | Gate valve | L | Aluminum alloy | T3 | Tee T-type AC switching |
| Z2 | Knife gate valve | ...... | ...... | T4 | Tee T-type B-port switch |
| J1 | Globe valve | Other special valve body materials can be designed and manufactured according to customer requirements | |||
| J2 | Bellows cut stop valve | ||||
| J3 | Angle seat valve | 8 codename | It is called the path | ||
| F1 | Upward expansion discharge valve | ...... | ...... | ||
| F2 | Downward discharge valve | ||||
| Other special valve body materials can be designed and manufactured according to customer requirements | 9 code | Control mode | |||
| Z | Standard switch type | ||||
| 4 codenames | Connection | T1 | Integral switching type | ||
| C1 | Female thread | T2 | Overall adjustment | ||
| C2 | By order | T3 | RS485 bus type | ||
| C3 | Male thread | D1 | Double acting | ||
| C4 | flange | D2 | Double-acting adjustment type | ||
| C5 | KF vacuum chuck | E1 | Uni-acting normally closed | ||
| C6 | weld | E2 | Single-acting normally closed regulation type | ||
| C7 | Pair clip | E3 | Single-acting and always open | ||
| C8 | Clamps | E4 | Single-acting normally open adjustment type | ||
Pneumatic Quick-Release Butterfly Valve
The Pneumatic Quick-Release Butterfly Valve is an advanced valve solution designed to provide fast and efficient flow control in industrial piping systems. Featuring a pneumatic actuator and a quick-release mechanism, this valve ensures rapid operation, easy maintenance, and enhanced reliability in demanding applications. Its robust construction and efficient design make it ideal for industries such as chemical processing, water treatment, HVAC, and food & beverage. The quick-release feature significantly reduces downtime, offering a highly efficient solution for systems that require frequent maintenance or adjustment.
Before delving into the detailed specifications and applications, let's first highlight the key features and benefits of the Pneumatic Quick-Release Butterfly Valve:
Pneumatic Actuation: Ensures fast, reliable control for rapid valve opening and closing, reducing operational time.
Quick-Release Mechanism: Allows for easy valve disassembly and maintenance, minimizing downtime and operational disruptions.
Corrosion-Resistant: Constructed with high-quality materials like stainless steel, the valve is resistant to corrosion and wear, ensuring long-term durability in harsh environments.
Energy Efficiency: Pneumatic operation provides energy-efficient performance, reducing overall operational costs.
Compact Design: The valve’s compact form makes it ideal for space-constrained installations.
Minimal Maintenance: Due to the simple and robust design, the valve requires minimal maintenance, leading to cost savings over time.
The Pneumatic Quick-Release Butterfly Valve is built with environmental sustainability and industry regulations in mind. It complies with key environmental standards and safety requirements to ensure that it meets the demands of modern industrial applications while also protecting the environment.
The valve is fully RoHS compliant, ensuring that no hazardous substances like lead, mercury, or cadmium are used in its construction. This makes it environmentally friendly and suitable for applications where safety and sustainability are a priority.
Manufactured in facilities certified with ISO 14001, the valve meets stringent environmental management standards. The certification ensures that the valve production process minimizes its carbon footprint and environmental impact.
The pneumatic actuator used in the valve is designed to optimize energy consumption, providing low-power operation without compromising on performance. This makes it suitable for energy-efficient systems and applications that require cost-effective solutions.
Constructed with stainless steel or alloy materials, the valve offers exceptional resistance to corrosion, making it highly durable and long-lasting in even the most challenging industrial environments. This minimizes the need for frequent replacements, promoting sustainability.

Proper operation of the Pneumatic Quick-Release Butterfly Valve ensures optimal performance and longevity. Below are the key operational instructions:
Step 1: Ensure that the valve is the correct size and type for the system by referencing the technical specifications (see below).
Step 2: Attach the valve to the pipeline, ensuring that the flanged ends (or wafer-style) are properly aligned and tightened.
Step 3: Connect the pneumatic actuator to the air supply and confirm that the air pressure is within the recommended range (typically 4-8 bar).
Step 4: Ensure that the quick-release mechanism is installed correctly, with sufficient space for easy disassembly and maintenance.
Step 1: To open the valve, activate the pneumatic actuator, which will rotate the butterfly plate and allow flow through the pipeline.
Step 2: To close the valve, reverse the pneumatic actuator’s signal. The butterfly plate will rotate to block the flow, sealing the valve shut.
Step 3: The quick-release mechanism allows the valve to be disassembled quickly for maintenance or inspection, without the need for additional tools or complex procedures.
Refer to the Maintenance Procedures section for regular checks and cleaning schedules.
If the valve fails to open or close properly, inspect the pneumatic actuator and check for blockages or insufficient air pressure.
If there is leakage around the valve seals, check the seals for wear and replace them if necessary.
Below is a detailed parts list for the Pneumatic Quick-Release Butterfly Valve. This list includes the main components that make up the valve and their respective functions:
| Part Name | Description |
|---|---|
| Valve Body | Made from stainless steel or alloy materials, it provides corrosion resistance and durability. |
| Butterfly Disc | The disc that rotates to control the flow of fluid through the valve. |
| Pneumatic Actuator | Provides the force needed to open and close the valve. Typically double-acting or spring-return. |
| Seals | Made from PTFE or Viton for leak-proof sealing under high-pressure conditions. |
| Quick-Release Mechanism | Allows for fast disassembly and easy maintenance of the valve without the need for special tools. |
| Stem | The component that connects the actuator to the butterfly disc. |
| Air Supply Connection | The fitting that connects the actuator to the pneumatic air supply. |
| Position Indicator | An indicator that shows whether the valve is open or closed. |
The Pneumatic Quick-Release Butterfly Valve is highly versatile and can be used in a variety of applications. Below are several examples of its use in different industries:
Challenge: Chemical processing plants often require valves that can handle corrosive and high-temperature fluids while maintaining tight flow control.
Solution: The Pneumatic Quick-Release Butterfly Valve offers precise control and corrosion resistance, making it ideal for managing chemical fluids in pipelines.
Challenge: Water treatment systems require valves that provide accurate flow regulation and are resistant to environmental corrosion.
Solution: The valve’s pneumatic actuator ensures quick, reliable operation, while its stainless steel body resists the harsh conditions of water treatment processes.
Challenge: In the food and beverage industry, valves need to meet strict sanitary standards while offering reliable flow control.
Solution: The Pneumatic Quick-Release Butterfly Valve provides easy disassembly for cleaning and maintenance, making it an excellent choice for food processing plants.
Challenge: HVAC systems often require valves that can operate under varying temperatures and pressures while providing efficient flow control.
Solution: The valve’s energy-efficient pneumatic actuator and quick-release feature make it ideal for temperature-sensitive systems such as HVAC.
The Pneumatic Quick-Release Butterfly Valve is a high-performance solution for industrial flow control systems requiring quick maintenance and reliable operation. With its pneumatic actuation, quick-release mechanism, and corrosion-resistant materials, this valve is ideal for use in industries such as chemical processing, water treatment, food and beverage, and HVAC systems. By adhering to environmental standards and providing easy maintenance, it ensures long-term reliability and cost-effective performance.
For more information on the Pneumatic Quick-Release Butterfly Valve, or to place an order, please contact our sales team.
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