PVDF Wafer Check Valve
The PVDF Wafer Check Valve is a compact, high-performance non-return valve designed to allow fluid flow in one direction while preventing backflow in pressurized systems. Manufactured from Polyvinylidene Fluoride (PVDF), it offers excellent chemical resistance, thermal stability, and mechanical strength, making it suitable for aggressive and high-purity fluid applications. Its wafer-style body fits snugly between flanges, saving space and reducing installation complexity in industrial piping systems.
PVDF Wafer Check Valve
- One-Way Flow Control: Automatically prevents reverse flow and back pressure damage.
- Durable PVDF Construction: Resistant to aggressive chemicals, UV radiation, and corrosion.
- Compact Wafer Design: Fits easily between standard flanges, ideal for tight spaces.
- High Temperature Tolerance: Performs in systems up to +120°C.
- Spring-Loaded Disc: Ensures fast and reliable sealing even in vertical installations.
- Low Pressure Drop: Designed for efficient flow with minimal resistance.
- Easy Installation and Maintenance: Lightweight and accessible for inspection or replacement.
Technical Details of PVDF Wafer Check Valve
| Specification | Details |
|---|---|
| Material | Virgin PVDF (Polyvinylidene Fluoride) |
| Size Range | DN15 (1/2″) to DN100 (4″) |
| Connection Type | Wafer type for ANSI, DIN, or JIS flange systems |
| Sealing Material | EPDM or FPM (Viton®) |
| Spring Material | Hastelloy®, Stainless Steel (optional) |
| Pressure Rating | Up to 10 bar (145 PSI) |
| Temperature Range | -20°C to +120°C |
| Flow Direction | Unidirectional (horizontal or vertical mounting) |
| Compliance Standards | DIN 3202, ISO 10931, ASTM D3222 |
| Certifications | RoHS, REACH, FDA (on request) |
| DN | d | D1 | P | L | Working pressure | Minimum back pressure |
|---|---|---|---|---|---|---|
| DN 40 | 23 | 82 | 36 | 18 | PN 10 | 0.05 PN |
| DN 50 | 27 | 102 | 44 | 21 | PN 10 | 0.05 PN |
| DN 65 | 40 | 120 | 58 | 22 | PN 10 | 0.05 PN |
| DN 80 | 54 | 133 | 70 | 23 | PN 10 | 0.05 PN |
| DN 100 | 70 | 161 | 89 | 25 | PN 10 | 0.05 PN |
| DN 125 | 92 | 191 | 115 | 28 | PN 10 | 0.05 PN |
| DN 150 | 112 | 217 | 131 | 30 | PN 6 | 0.05 PN |
| DN 200 | 150 | 272 | 179 | 34 | PN 6 | 0.05 PN |
| DN 250 | 190 | 327 | 230 | 39 | PN 6 | 0.05 PN |
| DN 300 | 216 | 377 | 260 | 44 | PN 6 | 0.05 PN |
DN – Diameter Nominal
PN – Pressure Nominal
d: The actual internal diameter
D1: The diameter of the raised face or sealing surface on the flange/valve body, in millimeters.
P: The Pitch Circle Diameter (PCD) of the bolt holes on the flange, in millimeters.
L: The length of the component,
Customization & Processing Options
Customizations Option Available for PVDF Wafer Check Valve
At Petron Thermoplast, we offer customized PVDF fittings to meet your specific system requirements.
Customization options include:
- Tailor-made dimensions and wall thicknesses
- Custom-molded and machined PVDF fittings
- Pre-fabricated manifolds and assemblies
- Choice of connection type (butt fusion, socket fusion, or flanged)
- OEM branding or marking options
