HDPE Flanged Valve
An HDPE Flanged Valve is a type of valve made from High-Density Polyethylene (HDPE) that is connected to a pipeline using flanged ends (bolted connections) for easy installation, removal, and maintenance. An HDPE flanged valve is a valve assembly in which the valve body (HDPE or lined with HDPE) is provided with flanges on both ends, allowing it to be bolted to pipes, fittings, or equipment. It is used to control, regulate, or isolate the flow of liquids or gases, especially in corrosive and chemical environments.
The HDPE Flanged Valve is a robust and durable flow control valve designed with flanged end connections, offering easy integration into industrial piping systems, this valve is ideal for applications requiring high chemical resistance, such as water treatment, chemical processing, and irrigation systems. Its flanged design allows for secure bolted connections, ensuring reliable sealing and ease of maintenance. An HDPE flanged valve is a valve with flanged ends made of HDPE, used to control fluid flow in pipelines through bolted flange connections.”
- Chemical Resistance
- Low Maintenance Requirement
- Low Thermal Conductivity
- Long Service Life
- Easy Installation
- Corrosion Resistance
HDPE Flanged Valve Details
*Technical Drawing
*Technical Data
| Parameter | Specification |
| Product Name | HDPE Flanged Valve |
| Material (Body) | High-Density Polyethylene (HDPE) |
| Other Materials | PP / PVDF / Stainless Steel (internal parts) |
| Design Type | Full bore / 2-piece or 3-piece design |
| Connection Type | Flanged (ANSI / DIN / BS standards) |
| Size Range | 25 mm to 200 mm (up to 315 mm in some designs) |
| Pressure Rating | PN10 / PN16 (6–16 bar range possible) |
| Temperature Range | -10°C to +60°C (up to ~80°C in some designs) |
| Seal Material | EPDM / NBR / FKM (Viton) |
| Seat Material | PTFE (Teflon) |
| Operation Type | Manual (lever/handwheel) or actuated (electric/pneumatic) |
| Flow Type | Full bore (low pressure drop) |
| Standards Compliance | ISO 4427, DIN 8074, ANSI B16.5 |
| Hydraulic Test Pressure | Body: ~150 PSI, Seat: ~100 PSI |
| Chemical Resistance | Excellent resistance to acids, alkalis, solvents |
| Corrosion Resistance | 100% corrosion-free (non-metallic body) |
| Mounting Method | Bolted flange connection with gasket |
| Color | Typically Black (UV stabilized) |
| Service Life | 50+ years (typical HDPE systems) |
| Applications | Water supply, chemical processing, wastewater, irrigation |
Flanged End Connections: Enables secure, leak-proof, and standardized mounting to piping systems.
High Chemical Resistance: Inert to a wide range of corrosive chemicals and solvents.
Corrosion-Free Body: Made entirely from HDPE for long service life in harsh environments.
Full Bore Design: Ensures unobstructed flow and minimizes pressure drops.
Smooth Operation: Low-torque handle operation for user-friendly flow control.
Easy Maintenance: Bolted flanges allow for quick installation, inspection, and replacement.
Weather & UV Resistant: Suitable for outdoor and industrial use in extreme conditions.
Compatible with Actuation: Can be fitted with electric or pneumatic actuators.
| Valve Size (DN / mm) | Pressure Nominal (PN) | Pressure (Bar) | Typical SDR / Design Class | Remarks |
| DN 25 – 50 mm | PN10 / PN16 | 10 / 16 bar | SDR 11 | Common for water & chemical pipelines |
| DN 63 – 110 mm | PN10 / PN16 | 10 / 16 bar | SDR 11 | Industrial and chemical use |
| DN 125 – 200 mm | PN10 / PN16 | 10 / 16 bar | SDR 11 / SDR 17 | Medium to high flow systems |
| DN 225 – 315 mm | PN10 | 10 bar | SDR 17 | Large diameter pipelines |
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 Flanged Valve
1. Corrosion & Chemical Resistance
- Made from HDPE material → fully resistant to:
- Acids
- Alkalis
- Corrosive chemicals
- Ideal for chemical, wastewater, and aggressive fluid system
2. Easy Installation & Maintenance
- Flanged connections allow:
- Quick bolting to pipes and equipment
- Easy removal for maintenance or replacement
- No welding required for installation
3. High Strength & Durability
- Can withstand working pressures up to PN16 (16 bar)
- HDPE construction provides impact resistance and flexibility
- Long service life (50+ years)
4. Leak-Proof Sealing
- Uses EPDM/NBR gaskets and smooth flanged surfaces
- Ensures tight, leak-free connections
- Safe for pressurized chemical pipelines
5. Wide Temperature & Pressure Range
- Operates at -10°C to 60°C (up to ~80°C in some designs)
- Suitable for low to medium-pressure pipelines
6. Lightweight Design
- Easier to handle than metal valves
- Reduces installation labor and cost
7. Compatible with Automation
- Can be manual (lever/handwheel) or actuated (electric/pneumatic)
- Integrates with SCADA/DCS systems in chemical plants
8. Smooth Flow & Low Pressure Drop
- Full bore design minimizes turbulence and friction loss
- Maintains pipeline efficiency
9. Environmentally Friendly
- Non-metallic → corrosion-free, long-lasting, low maintenance
- Reduces material replacement and waste
10. Safe & Reliable
- Suitable for hazardous chemicals, wastewater, and industrial fluids
- Reduces risk of leaks, contamination, and accidents
11. High Durability & Long Service Life
- Resistant to wear, chemicals, and environmental factors
- Maintains performance over long periods
Types of HDPE Flanged Valve
1. Ball Type HDPE Flanged Valve
- Rotating ball with a bore to control flow
- Quarter-turn (90°) lever or actuated
- Chemical processing, water treatment, effluent systems
2. Gate Type HDPE Flanged Valve
- Sliding gate/disc moves vertically to start or stop flow
- Handwheel or actuator
- Industrial pipelines, irrigation, chemical plants
3. Butterfly Type HDPE Flanged Valve
- Rotating disc pivots in the flow stream
- Quarter-turn lever, handwheel, or actuator
- Water distribution, wastewater, chemical industries
4. Check Type HDPE Flanged Valve
- Allows flow in one direction only (prevents backflow)
- Automatic (spring-loaded or swing)
- Pump discharge, chemical pipelines, water networks
5. Diaphragm Type HDPE Flanged Valve
- Flexible diaphragm regulates or isolates flow
- Manual, pneumatic, or electric actuator
- Chemical dosing, corrosive liquid handling
6. Actuated HDPE Flanged Valve
- Ball, butterfly, or diaphragm valve with actuator
- Electric, pneumatic, or hydraulic control
- Hazardous chemical plants, automated water systems
Applications of HDPE Flanged 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?
In the field of Oil, gas, water fluid, and chemical injection technology, Petron Thermoplast Company played a leading role, known for innovation and reliability. Petron Thermoplast has engineered high performance HDPE Flanged Valves that maximize mixing efficiency and durability. Their design is patented to ensure consistent performance across a wide range of flow rates and pressures.
Petron Thermoplast HDPE Flanged Valves are particularly favored in chemical treatment applications due to their precision, long service life, and compatibility with corrosive water.
