HDPE Union Ball Valve
An HDPE Union Ball Valve is a type of ball valve made from High-Density Polyethylene (HDPE) that features union ends, allowing it to be easily installed, removed, or maintained without cutting the pipeline. It controls fluid flow using a rotating ball mechanism (quarter-turn operation), providing quick shut-off and leak-proof performance in piping systems.
The HDPE Union Ball Valve is a robust and corrosion-resistant valve designed for efficient on/off control in HDPE piping systems. It features a union-type construction, allowing easy installation, maintenance, and removal without disturbing the pipeline. Widely used in water supply, chemical handling, and irrigation systems, this valve ensures long service life and dependable performance in harsh conditions.
- Chemical Resistance
- Low Maintenance Requirement
- Low Thermal Conductivity
- Long Service Life
- Easy Installation
- Corrosion Resistance
HDPE Union Ball Valve Details
*Technical Diagram
*Technical Data
| Parameter | Details |
| Valve Type | Union Ball Valve (Single Union / Double Union) |
| Material (Body) | High-Density Polyethylene (HDPE) |
| Material Grade | PE100 / PE80 |
| Ball Material | HDPE / Polypropylene (PP) |
| Seal Material | EPDM / NBR / FKM (Viton) |
| Operation | Manual (lever operated) / Actuated (optional) |
| Working Principle | Quarter-turn (90° rotation) ball mechanism |
| Connection Type | Union ends (Socket fusion / Threaded / Butt weld) |
| Design Type | Single Union / Double Union |
| Size Range | DN20 mm to DN110 mm (¾” to 4”) |
| Pressure Rating | PN 10 / PN 16 |
| Temperature Range | -10°C to +60°C (typical) |
| Flow Type | Full bore (low pressure drop) |
| Flow Direction | Bi-directional |
| Density (HDPE) | Approx. 0.94 – 0.96 g/cm³ |
| Color | Black (UV stabilized) |
| Standards | ISO 4427 / EN 12201 / ASTM D3350 |
| Installation | Easy installation with union joints (removable without cutting pipe) |
| Leakage Performance | Leak-proof sealing with O-rings |
| Chemical Resistance | Excellent resistance to acids, alkalis, and corrosive fluids |
| Maintenance | Low; easy dismantling and O-ring replacement |
| Service Life | Long life (typically 50+ years under normal conditions) |
| Applications | Water supply, irrigation, chemical processing, wastewater systems |
Union-Type Body Design: Enables easy disassembly and maintenance without cutting the pipe.
Full Bore Flow: Minimizes pressure drop and allows smooth fluid transfer.
High Chemical Resistance: Suitable for aggressive media including acids, alkalis, and solvents.
Corrosion-Free Construction: HDPE body resists rust, scaling, and UV exposure.
Low Torque Operation: Smooth lever action for user-friendly flow control
Compact and Lightweight: Easy to install, especially in tight or mobile applications.
Double O-Ring Sealing: Ensures leak-free performance even under high pressure.
Manual or Actuator Compatible: Can be customized for automation if needed.
| PN Rating | Maximum Pressure (Bar) | Approx. Pressure (PSI) | Typical Application |
| PN 10 | 10 bar | ~145 psi | Water supply, irrigation systems |
| PN 16 | 16 bar | ~232 psi | Industrial and 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 Union Ball Valve
Easy Installation & Removal
The union ends allow quick dismantling and reinstallation without cutting the pipeline.
Leak-Proof Performance
Provides tight sealing with O-rings and ball seats, ensuring zero or minimal leakage.
Excellent Corrosion Resistance
HDPE is highly resistant to chemicals, acids, and alkalis, making it ideal for harsh environments.
Lightweight Design
Much lighter than metal valves, making handling and installation easier.
Durability & Long Service Life
Offers long-lasting performance (50+ years) with minimal degradation.
Smooth Flow with Low Pressure Loss
Full bore design ensures low friction and efficient fluid flow.
Low Maintenance
Easy to clean, repair, and replace internal parts like O-rings.
Quick Operation
Quarter-turn (90°) operation allows fast opening and closing.
No Rust or Scaling
Does not corrode, rust, or form scale, ensuring consistent operation.
Cost-Effective
Lower installation, maintenance, and lifecycle costs compared to metal valves.
Types of HDPE Union Ball Valve
Single Union Ball Valve
- Has one union end
- Allows partial removal from one side only
- Used in less critical or low-maintenance systems
Double Union Ball Valve (True Union Type)
- Has two union ends (both sides)
- Valve can be completely removed without cutting the pipe
- Most widely used in industrial applications
Socket Fusion Union Ball Valve
- Connected by heat fusion (socket welding)
- Provides strong, leak-proof joints
Threaded Union Ball Valve
- Uses BSP/NPT threads
- Suitable for small pipelines and easy installation
Butt Weld Union Ball Valve
- Joined by butt fusion welding
- Used for permanent, high-strength connections
Flanged Union Ball Valve
- Connected using flanges and bolts
- Ideal for large-size industrial pipelines
2-Way Union Ball Valve
- Standard type with one inlet and one outlet
- Used for on/off flow control
3-Way Union Ball Valve (L-Port / T-Port)
- Allows diverting or mixing of flow
- Used in complex piping systems
Manual Union Ball Valve
- Operated by handle/lever
Actuated Union Ball Valve
- Operated using electric or pneumatic actuators
- Suitable for automated systems
Applications of HDPE Union Ball 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?
There are many reasons to choose the HDPE Union Ball Valve by Petron Thermoplast. Here are some of the most important: Our high-quality HDPE Union Ball Valve products are backed by a 100% satisfaction guarantee. We offer competitive prices and fast delivery times for HDPE Union Ball Valve. We have a wide range of HDPE Union Ball Valve products to meet your needs, from standard grades to custom alloys. Our team of experts is available to help you find the right product for your application. According to your requirement, for a specific size or thickness in HDPE Union Ball Valve, contact our sales professionals, and they will provide you with precise sizes available in stock and confirm the delivery schedule to your nearest port.
