HDPE Butterfly Valve
An HDPE Butterfly Valve is a type of quarter-turn flow control valve made from High-Density Polyethylene (HDPE) in which a circular disc (butterfly) rotates inside the pipe to regulate, start, or stop the flow of fluid. The valve operates by turning the disc 90°, allowing full flow when open and blocking flow when closed. The HDPE Butterfly Valve is a high-performance flow control device made from High-Density Polyethylene (HDPE), designed for industrial applications involving corrosive fluids, chemicals, and water systems.
The HDPE Butterfly Valve is a high-performance flow control device designed for industrial applications involving corrosive fluids, chemicals, and water systems. Constructed from High-Density Polyethylene (HDPE), this valve offers exceptional resistance to chemicals and corrosion, making it ideal for demanding environments such as chemical processing plants and water treatment facilities systems.
- Chemical Resistance
- Low Maintenance Requirement
- Low Thermal Conductivity
- Long Service Life
- Easy Installation
- Corrosion Resistance
HDPE Butterfly Valve Details
*Technical Drawing
*Technical Data
| Category | Parameter | Details / Specification |
| Valve Design | Valve Type | Butterfly Valve |
| Valve Design | Wafer Type / Lug Type / Flanged | |
| Size Range | 50 mm to 400 mm (custom sizes available) | |
| Pressure Rating | PN6 / PN10 / PN16 | |
| Flow Path | Full bore (low pressure drop) | |
| Operation | Operation Type | Manual Lever / Gear Operated / Pneumatic / Electric |
| Flow Control | Quarter-turn (90° rotation) | |
| Materials | Body & Disc Material | High-Density Polyethylene (HDPE) |
| Body Construction | One-piece molded HDPE | |
| Seal Material | EPDM / Viton | |
| Mechanical | Density | 0.94 – 0.96 g/cm³ |
| Tensile Strength | 22 – 26 MPa | |
| Flexural Modulus | 900 – 1000 MPa | |
| Elongation at Break | > 600% | |
| Hardness | 60 – 65 Shore D | |
| Environmental | Temperature Range | -20°C to +60°C |
| Chemical Resistance | Excellent (acids, alkalis, chemicals) | |
| Corrosion Resistance | Very high (non-metallic) | |
| UV Resistance | Good (with carbon black additives) | |
| Installation | End Connections | Flanged / Socket Weld / Butt Fusion |
| Leakage | Leak-proof sealing design | |
| Standards | ISO, DIN, ASTM compliant |
Material Durability: Made from high-quality HDPE for superior chemical resistance and long service life.
Corrosion Resistant: Ideal for aggressive media and outdoor installations due to excellent UV and corrosion resistance.
Lightweight Construction: Easier to handle, install, and maintain compared to metal valves.
Leak-Proof Design: Offers tight sealing with minimal leakage, suitable for low to medium pressure applications.
Smooth Operation: Equipped with a 90-degree rotational disc for quick open/close functionality.
Versatile End Connections: Available with options like flanged, spigot, or socket ends for compatibility with different piping systems.
Low Maintenance: Non-metallic design resists scale and biological build-up.
| PN Rating | Pressure (Bar) | Pressure (PSI) | Typical Application |
| PN6 | 6 bar | ~87 PSI | Low-pressure systems (irrigation, drainage) |
| PN10 | 10 bar | ~145 PSI | Water supply, general industrial use |
| PN16 | 16 bar | ~232 PSI | High-pressure water lines, chemical systems |
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 HDPE Butterfly Valve
1. Excellent Corrosion Resistance
- HDPE material is highly resistant to acids, alkalis, and chemicals
- Does not rust like metal valves
- Suitable for chemical and wastewater applications
2. Lightweight & Easy Installation
- Much lighter than metal valves
- Easy to handle, transport, and install
- Reduces labor and installation cost
3. Cost-Effective Solution
- Lower initial cost compared to metal valves
- Minimal maintenance and long service life reduce overall cost
4. High Durability & Long Service Life
- Resistant to wear, corrosion, and environmental effects
- Maintains performance over long periods even in harsh conditions
5. Low Maintenance Requirement
- Simple design with fewer moving parts
- Less wear and tear → reduced maintenance needs
6. Quick & Easy Operation
- Quarter-turn (90°) operation allows fast opening and closing
- Requires low torque for operation
7. Compact & Space-Saving Design
- Slim and compact structure
- Ideal for installation in limited space systems
8. Low Pressure Drop
- Smooth flow path when fully open
- Helps maintain system efficiency and reduce energy loss
9. Leak-Proof Performance
- Tight sealing design reduces leakage
- Improves safety and operational efficiency
Types of HDPE Butterfly Valve
Wafer Type HDPE Butterfly Valve
- Installed between two pipe flanges
- Lightweight and compact
- Cost-effective and widely used
Lug Type HDPE Butterfly Valve
- Has threaded inserts (lugs) on both sides
- Allows easy removal without disturbing pipeline
- Suitable for maintenance-friendly systems
Flanged Type HDPE Butterfly Valve
- Comes with flanges on both ends
- Strong and suitable for large pipelines
- Used in high-flow industrial applications
Butt-Weld / Fusion Type HDPE Butterfly Valve
- Connected using butt fusion or electrofusion
- Provides leak-proof joints
- Common in HDPE piping systems
Concentric (Centric) Butterfly Valve
- Disc and shaft are centered
- Soft-seated design
- Suitable for low to medium pressure systems
Eccentric (Offset) Butterfly Valve
- Disc is slightly offset from center
- Reduces friction and wear
Actuated HDPE Butterfly Valve
- Pneumatic Actuated
- Electric Actuated
- Used in automated industrial systems
Soft Seated Butterfly Valve
- Uses rubber (EPDM, Viton)
- Provides tight sealing
- Suitable for water and chemicals
Metal Seated Butterfly Valve
- Used in higher temperature applications
- More durable but less common in HDPE systems
Applications of HDPE Butterfly 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?
Petron Thermoplast has been a leading name in the chemical industry. We are offering certified, durable, and reliable HDPE Butterfly Valve solutions for all kinds of water, fluid, and chemical systems. You can worry free investing in Petron Thermoplast’s HDPE Butterfly Valve, ensuring the performance, longevity, and peace of mind.
