High-performance non-return valves – Made in Italy
C-PVC wafer check valves are high-performance non-return valves designed to ensure one-way flow and prevent backflow inside pipelines. Manufactured in C-PVC (chlorinated PVC) and produced entirely Made in Italy, these valves provide an advanced alternative to traditional PVC solutions when higher chemical resistance, thermal stability, and long-term reliability are required.
Find out more details by consulting the product sheets of our plastic valves, register in our reserved area and access:
Find out more details by consulting the product sheets of our plastic valves, register in our reserved area and access:
These swing check valves in C-PVC — also commonly referred to as clapet valves — are ideal for protecting pumps, filters, and process lines. They help prevent reverse flow, water hammer, and system damage, ensuring smooth and reliable operation even in demanding industrial environments. Italian manufacturing guarantees precision engineering, durability, and consistent performance.
C-PVC wafer check valves are designed for applications where standard PVC may not offer sufficient performance. Thanks to the properties of chlorinated PVC, these swing check valves provide enhanced resistance to temperature and aggressive chemicals.
Key advantages:
Excellent chemical and corrosion resistance
Higher temperature resistance compared to PVC check valves
Compact wafer design for easy installation between flanges
Reduced pressure loss due to optimized flap geometry
Reliable, quiet operation
Suitable for horizontal or vertical installation
Long service life with minimal maintenance
Made in Italy manufacturing and quality control
These characteristics make C-PVC swing check valves and clapet valves particularly suitable for industrial plants, water treatment systems, and process applications requiring dependable backflow prevention.
The range of C-PVC wafer check valves is available in multiple configurations to meet specific system requirements.
Versions:
With spring return, for faster and more controlled closing
Without spring, for lower pressure drop and simple operation
Available seals:
EPDM, ideal for water and aqueous solutions
FPM (Viton®), recommended for aggressive chemicals and higher temperatures
These options allow the valve to be configured according to the fluid type, pressure, and operating conditions, ensuring optimal performance in any installation.
A C-PVC wafer swing check valve is a non-return valve that uses an internal flap (clapet) that opens when fluid flows forward and automatically closes when the flow stops or reverses. The wafer design allows compact installation between flanges, while the C-PVC body ensures greater resistance to temperature and chemicals compared to traditional PVC.
For this reason, swing check valves in C-PVC are widely used in industrial systems, water treatment plants, and chemical processes where durability and reliability are essential.
C-PVC clapet valves are recommended when:
the fluid is chemically aggressive
operating temperatures exceed standard PVC limits
the system operates continuously
high reliability over time is required
high-performance thermoplastic components are needed
They are a strategic choice for industrial and chemical installations where preventing backflow and ensuring operational continuity is critical.
| Feature | C-PVC wafer swing check valves | PVC swing check valves |
|---|---|---|
| Temperature resistance | Higher | Standard |
| Chemical resistance | Very high | High |
| Industrial applications | Heavy-duty | Standard |
| Service life | Very long | Good |
| Chemical plants | Ideal | Limited |
| Mechanical strength | High | Good |
| Overall performance | Superior | Standard |
C-PVC therefore represents the best solution for systems requiring greater resistance, safety, and durability.
C-PVC wafer check valves, swing check valves, and clapet valves are widely used in:
water treatment and purification
chemical industry
dosing systems
industrial process plants
aquaculture
pipelines with corrosive or high-temperature fluids
What is the difference between C-PVC and PVC swing check valves?
C-PVC valves provide higher resistance to temperature and aggressive chemicals, making them more suitable for industrial and chemical applications than standard PVC swing check valves.
Can C-PVC wafer check valves be installed vertically?
Yes. Versions with spring return are particularly suitable for vertical installation or variable flow conditions.
Which seal should I choose: EPDM or FPM?
EPDM is recommended for water and neutral fluids, while FPM (Viton®) is ideal for aggressive chemicals and higher temperatures.
Are these swing check valves Made in Italy?
Yes. All C-PVC wafer check valves are designed and manufactured in Italy with strict quality control and certified materials.
Where are C-PVC clapet valves typically used?
They are commonly used in industrial, chemical, and water treatment systems where high chemical resistance and reliable backflow prevention are required.
Made in Italy C-PVC wafer check valves ensure high manufacturing standards, precise engineering, and full material traceability. Italian production allows strict quality control at every stage, delivering durable and reliable swing check valves designed for demanding industrial applications.
Choosing a C-PVC wafer swing check valve manufactured in Italy means investing in a premium technical component engineered for safety, long service life, and consistent performance.
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Comer spa è un’azienda italiana specializzata nella produzione di raccordi e valvole in PVC, C-PVC, ABS, PE e PPH.
Via Tangoni, 30 - 16030 Casarza Ligure Genova Italy
Fax: +39.0185.358696
P.IVA: P. IVA 00174820993
