CPVC Gate Valve
A CPVC Gate Valve is a type of isolation valve made from Chlorinated Polyvinyl Chloride (CPVC) material that is used to start or stop the flow of liquids in a piping system. It operates by lifting or lowering a flat or wedge-shaped gate inside the valve body to allow or block the flow. When the gate is fully lifted, the valve provides minimal flow resistance. When fully closed, it completely stops the flow. CPVC gate valves are commonly used in chemical processing, water treatment, and industrial piping systems due to their excellent corrosion resistance, high temperature tolerance, and chemical durability.
The CPVC Gate Valve is a manually operated valve designed for the complete shut-off or full opening of fluid flow in a pipeline. This valve is engineered for applications requiring high chemical resistance and performance under elevated temperatures. The gate mechanism moves vertically between the seats, providing a straight-through flow with minimal pressure drop. It is commonly used in chemical processing, water treatment, and other industrial piping systems where reliable shutoff is essential.
- Chemical Resistance
- Low Maintenance Requirement
- Low Thermal Conductivity
- Long Service Life
- Easy Installation
- Corrosion Resistance
CPVC Gate Valve Details
Size (DN): Nominal Diameter Size
Size (Inch): Nominal Pipe Size
D: Outer Body Diameter
b: Body Component Thickness
k: Bolt Circle Diameter
h: Component Height Dimension
d: Pipe Outside Diameter
Weight (kg): Total Mass Kilograms
L: Total Face Length
H: Total Overall Height
W: Body Width Dimension
C: Connection Center Distance
A: Overall Actuator Height
K: Coil Width Dimension
S: Socket Connection Diameter
B: Center To Top
E: Body End Width
F: Handwheel Outer Diameter
| Sizes | A | B | C | D | E | F |
| 1/2” | 5-1/8 | 1-1/4 | 2-13/16 | 4-1/8 | 2-5/8 | 2-11/16 |
| 3/4” | 5-1/8 | 1-1/4 | 2-13/16 | 4-1/8 | 2-5/8 | 2-11/16 |
| 1” | 5-13/32 | 1-7/8 | 3-5/16 | 4-5/16 | 2-5/8 | 2-15/16 |
| 1-1/4” | 8-1/16 | 1-9/16 | 3-9/16 | 6-5/8 | 3-7/16 | 3-15/16 |
| 1-1/2” | 8-1/16 | 1-9/16 | 3-9/16 | 6-1/2 | 3-7/16 | 3-15/16 |
| 2” | 9-13/16 | 1-7/8 | 3-15/16 | 6-15/16 | 3-7/16 | 4-7/16 |
| 2-1/2” | 14-5/16 | 3-9/16 | 7-11/16 | 12-1/16 | 6-11/16 | 7-1/4 |
| 3” | 14-5/16 | 2-15/16 | 6-11/16 | 12-1/16 | 6-11/16 | 7-1/4 |
| 4” | 16 | 3-3/8 | 7-15/16 | 13-1/4 | 8 | 7-9/16 |
| Parameter | Specification |
| Material (Body) | CPVC (Chlorinated Polyvinyl Chloride) |
| Gate / Wedge Material | CPVC / PVC |
| Stem Material | Stainless Steel / CPVC |
| Seal / Seat Material | EPDM / FKM (Viton) |
| Valve Type | Rising Stem / Non-Rising Stem |
| Operation | Manual (Handwheel) |
| Nominal Size Range | ½” to 8” (DN15 – DN200) |
| Connection Types | Socket, Threaded (BSP/NPT), Flanged |
| End Standards | ASTM, ANSI, DIN, BS |
| Pressure Rating | PN10 / PN16 |
| Max Working Pressure | Up to 10–16 bar @ 23°C |
| Temperature Range | 0°C to 95°C (max ~93°C typical) |
| Flow Type | Full bore (minimal restriction) |
| Flow Direction | Bidirectional |
| Leakage Class | Tight shut-off |
| Standards | ASTM D1784, ISO 16135 |
| Installation | Horizontal or vertical |
| Density | ~1.45–1.58 g/cm³ |
| Color | Grey / Off-white |
| Corrosion Resistance | Excellent against acids, alkalis, and salts |
| Chemical Resistance | Suitable for aggressive chemicals |
| Surface Finish | Smooth internal bore → low friction loss |
| Thermal Resistance | Higher temperature resistance than PVC |
| Mechanical Strength | Good tensile and impact strength |
| Weight | Lightweight compared to metal valves |
| Durability | Long service life, non-corrosive |
| Scaling Resistance | No rust or scale formation |
| UV Resistance | Moderate (can be improved with additives) |
Full-Bore Flow Design: Enables unrestricted flow with minimal pressure loss.
Chemical and Corrosion Resistance: Made from CPVC, ideal for aggressive fluids and corrosive environments.
High Temperature Performance: Suitable for applications up to 93°C (200°F).
Manual Handwheel Operation: Offers precise control for opening and closing the valve.
Reliable Shut-Off: Gate mechanism provides secure sealing when closed.
Low Maintenance: Non-metallic, rust-free construction minimizes maintenance needs.
Multiple End Connection Options: Compatible with socket, threaded, or flanged systems.
Non-Conductive Material: Safe for use in electrically sensitive applications.
| Valve Size (Inch) | Pressure Rating at 23°C (73°F) | Pressure Rating at 60°C (140°F) | Pressure Class |
| ½” – 1″ | 150 – 200 PSI | 80 – 100 PSI | SCH 80 |
| 1½” – 2″ | 150 PSI | 70 – 90 PSI | SCH 80 |
| 2½” – 4″ | 100 – 150 PSI | 60 – 80 PSI | SCH 80 |
| 5″ – 8″ | 100 PSI | 50 – 70 PSI | SCH 80 |
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 CPVC Gate Valve
Excellent Corrosion Resistance
CPVC material resists acids, alkalis, salts, and many aggressive chemicals, making it ideal for chemical processing plants.
High Temperature Resistance
Can handle higher temperatures compared to standard PVC, typically up to 90°C (depending on pressure and manufacturer).
Long Service Life
Non-metallic construction prevents rusting, scaling, and internal corrosion, increasing operational lifespan.
Lightweight & Easy Installation
Much lighter than metal valves, reducing handling effort and installation cost.
Low Maintenance
Does not require frequent maintenance due to its non-corrosive and non-reactive properties.
Smooth Flow with Minimal Pressure Drop
When fully open, the gate lifts completely out of the flow path, allowing near full-bore flow.
Cost-Effective
Lower material and installation cost compared to alloy valves.
Chemical Compatibility
Suitable for water treatment, chemical industries, electroplating plants, and industrial fluid systems.
Types of CPVC Gate Valve
1. Rising Stem CPVC Gate Valve
- The stem moves upward when the valve opens.
- Easy visual indication of open/closed position.
- Common in industrial applications.
2. Non-Rising Stem CPVC Gate Valve
- The stem does not move upward externally.
- Suitable for compact spaces.
- Used where vertical clearance is limited.
3. Solid Wedge Gate Valve
- Single-piece solid gate.
- Simple design and durable construction.
- Suitable for general oil and chemical services.
4. Flexible Wedge Gate Valve
- Slightly flexible gate to ensure tight sealing.
- Better sealing performance in varying temperatures.
5. Flanged End CPVC Gate Valve
- Flanged connection for bolted pipeline installation.
- Used in larger diameter industrial systems.
- Designed according to standards like ASTM International specifications
6. Socket Weld / Solvent Cement Type CPVC Gate Valve
- Connected using solvent cement welding.
- Ideal for smaller pipe sizes.
- Common in chemical and oil, gas treatment systems.
7. Threaded End CPVC Gate Valve
- Female or male threaded ends.
- Easy installation and removal.
- Suitable for low to medium pressure systems.
Featured List of Applications
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, we prioritise quality and performance. Our CPVC Gate Valve meets the highest standards, providing you with reliable and efficient solutions. Whether you’re dealing with high-pressure fluids or gases or looking for a durable valve that can withstand demanding conditions, our products are built to deliver.
