PVDF Butterfly Pneumatic Actuated Valve
A PVDF Butterfly Pneumatic Actuated Valve is a quarter-turn flow control valve made from PVDF (Polyvinylidene Fluoride) material, operated automatically by a pneumatic (air-powered) actuator to open, close, or regulate the flow of fluids in a piping system. It is a corrosion-resistant plastic butterfly valve operated by compressed air instead of electricity, ideal for hazardous or high-speed automation environments.
The PVDF Butterfly Pneumatic Actuated Valve is an automated flow control valve designed for highly corrosive and demanding industrial applications. The A PVDF Butterfly Pneumatic Actuated Valve offers outstanding chemical resistance, high mechanical strength, and long-term durability. It is equipped with a pneumatic actuator that enables fast and efficient remote operation, making it ideal for process automation in industries such as chemical processing, oil, gas treatment, and semiconductor manufacturing.
- Chemical Resistance
- Low Maintenance Requirement
- Low Thermal Conductivity
- Long Service Life
- Easy Installation
- Corrosion Resistance
PVDF Butterfly Pneumatic Actuated Valve Details
D – Diameter
DN – Diameter Nominal
PN – Pressure Nominal
A min / A max – Bolt Circle Diameter
B2 – Lower Body Height
B4 / B7 – Upper Assembly Height
E – Actuator Width
f – Bolt Hole Diameter
H – Overall Body Width
T1 – Actuator Housing Length
U – Stem/Mounting Depth
| d | DN | PN | A min | A max | B2 | E | f | H | B4 | U |
| 50 | 40 | 16 | 95 | 109 | 60 | 86 | 19 | 132 | 209 | 4 |
| 63 | 50 | 16 | 115 | 125.5 | 70 | 86 | 19 | 147 | 215 | 4 |
| 75 | 65 | 10 | 128 | 144 | 80 | 86 | 19 | 165 | 222 | 4 |
| 90 | 80 | 10 | 145 | 160 | 93 | 94 | 19 | 185 | 253 | 12 |
| 110 | 100 | 10 | 165 | 190 | 107 | 104 | 19 | 211 | 110 | 8 |
| 125 | 140 | 10 | 204 | 215 | 120 | 104 | 23 | 240 | 297 | 8 |
| 160 | 150 | 10 | 230 | 242 | 134 | 120 | 23 | 268 | 325 | 8 |
| 225 | 200 | 10 | 280 | 298 | 161 | 134 | 23 | 323 | 399 | 8 |
| 280 | 250 | 10 | 350 | 350 | 210 | 163 | 22 | 405 | 453 | 12 |
| 315 | 300 | 8 | 400 | 400 | 245 | 163 | 22 | 475 | 510 | 12 |
| Parameter | Typical Specification |
| Valve Type | Butterfly, quarter‑turn flow control |
| Body Material | PVDF thermoplastic |
| Disc Material | PVDF or reinforced PVDF |
| Seat Material | EPDM / FKM (Viton) / PTFE |
| Actuator Type | Pneumatic (Double‑Acting or Spring‑Return) |
| Size Range | ~2″ to 12″ (DN50 to DN300) typical |
| Pressure Rating | Up to ~10 bar (~145 psi) |
| Temperature Range | ~‑20 °C to +120 °C (dependent on seat) |
| Air Supply Pressure | ~5.5–7 bar (80–100 psi) |
| Rotation Angle | 90° (quarter‑turn) |
| Control Signals / Options | Solenoid valves, limit switches, positioners (optional) |
| Mounting Standard | ISO 5211 actuator mounting pad (common) |
Corrosion-Resistant Construction: PVDF body ensures excellent resistance to a wide range of aggressive chemicals and UV exposure.
Automated Operation: Pneumatic actuator allows fast, reliable, and remote actuation for precise flow control.
Lightweight & Durable: Compact design with high impact resistance and minimal maintenance needs.
Tight Shut-Off: High-performance sealing elements ensure leak-free operation in both directions.
Flexible Mounting: Suitable for vertical or horizontal installation depending on pipeline requirements.
Fail-Safe Options: Available in double-acting or spring return (fail-open/fail-close) configurations.
Easy Integration: Compatible with various control systems and accessories (limit switches, solenoid valves, positioners).
Typical Working Pressure at 20°C
| Valve Size (DN) | Size (Inch) | Pressure Rating (Bar) | Pressure Rating (PSI) | DIN Rating | ANSI Equivalent |
| DN40 – DN150 | 1½” – 6″ | 10 bar | 150 psi | PN10 | Class 150 |
| DN200 – DN300 | 8″ – 12″ | 6 – 10 bar | 90 – 150 psi | PN6 / PN10 | Class 150 |
| DN350 – DN600 | 14″ – 24″ | 6 bar | 90 psi | PN6 | Class 150 (limited) |
Temperature vs Pressure Derating (Typical for PVDF)
| Temperature (°C) | Maximum Working Pressure (Bar) |
| 20°C | 10 bar |
| 40°C | 8 bar |
| 60°C | 6 bar |
| 80°C | 4 bar |
| 100°C | 2 – 3 bar |
| 120°C (Maximum Limit) | ≤ 2 bar |
Pneumatic Actuator Operating Air Pressure
| Parameter | Typical Range |
| Air Supply Pressure | 4 – 8 bar |
| Recommended Operating Pressure | 5 – 6 bar |
| Maximum Air Pressure | 8 bar |
Custom Product Manufacturing Available
If you are searching for customized product designs that meet your requirements, don’t worry. Petron Thermoplast also offers custom product manufacturing services to meet the unique needs of various industries. Work with our expert engineers to create custom designs suited for your application.
Benefits of Using PVDF Butterfly Pneumatic Actuated Valve
1️. Excellent Chemical & Corrosion Resistance
- Made from PVDF (Polyvinylidene Fluoride)
- Highly resistant to acids, alkalis, and solvents
- Ideal for aggressive chemical environments
- Longer service life compared to metal valves in corrosive systems
2️. Fast & Reliable Pneumatic Operation
- Quick quarter-turn (90°) operation
- Suitable for high-cycle applications
- Consistent performance in automated systems
- Ideal for emergency shut-off applications
3️.Safe for Hazardous Areas
- No electrical components required (basic models)
- Suitable for explosive or flammable environments
- Reduces risk of sparks
- Can be used in ATEX-type installations (with proper certification)
4. Good Flow Characteristics
- Low pressure drop
- Compact design
- Suitable for large-diameter piping
- Efficient throttling (with positioner)
5️. Lightweight & Easy Installation
- PVDF body is lighter than metal valves
- Reduced structural support requirements
- Easy to handle and install
- Lower transportation costs
6️. Low Maintenance & Long Service Life
- Corrosion-resistant material
- Minimal internal wear
- Smooth bore reduces scaling and buildup
- Simple mechanical structure
Types of PVDF Butterfly Pneumatic Actuated Valve
1️. By Valve Body Design
Wafer Type
- Installed between two flanges
- Lightweight and compact
- Cost-effective
- Suitable for medium-pressure applications
Lug Type
- Threaded lugs allow bolting to pipeline
- One side of piping can be removed without shutting entire system
- Better mechanical support than wafer type
Flanged Type
- Full flange ends
- Stronger and more rigid
- Suitable for large-diameter pipelines
- Better sealing stability
2️. By Pneumatic Actuator Type
Single Acting (Spring Return)
- Air to open (or close)
- Spring returns valve to preset safe position
- Fail-safe design
Double Acting
- Air required for both opening and closing
- More torque output
- Faster operation
3️. By Control Function
| Type | Description | Application |
| On/Off Type | Fully open or fully closed | Isolation service |
| Modulating Type (with Positioner) | Partial opening control (4–20mA / 0–10V) | Flow regulation |
| Quick Exhaust Type | Rapid closing using exhaust valves | Emergency systems |
4️. By Sealing Material
Seat Material | Application |
EPDM | Water & mild chemicals |
FKM (Viton) | Oils & higher temperature fluids |
PTFE | Strong acids & solvents |
Applications of PVDF Butterfly Pneumatic Actuated Valve
Process Industry
High Purity Applications
Electronic Industry
Electrical Industry
Semi-conductors Industry
Pharmaceutical Industry
Solar power panels
Sugar Industry
Paper & Pulp Industry
Nuclear Power Industry
Automotive Industry
DI water plants
Why Choose Petron Thermoplast?
At Petron Thermoplast, PVDF Butterfly Pneumatic Actuated Valve specializes in manufacturing world-class sewerage & drainage systems for both industrial and commercial applications, and PVDF systems that find applications in industrial and infrastructure projects. Petron Thermoplast robust distribution network, combined with best-in-class technology, is set to create a strong & sustainable partnership in the valve Industry.
Petron Thermoplast provides, according to your need, chemical resistance, lightweight construction, cost efficiency, and low maintenance in low-to-medium pressure systems of PVDF Butterfly Pneumatic Actuated Valve. With a wide portfolio of reliable and application-specific solutions, Petron Thermoplast supports chemical, gas, and oil industries with valves designed for durability, performance, and operational confidence.
