PVDF Wafer Check Valve with Hastelloy C Spring
The PVDF Wafer Check Valve with Hastelloy C Spring is a high-performance, corrosion-resistant valve designed to prevent backflow in piping systems handling aggressive and corrosive fluids. The valve body and internal components are constructed from Polyvinylidene Fluoride (PVDF), offering excellent chemical resistance, while the spring is made from Hastelloy C, a high-strength, corrosion-resistant alloy ideal for harsh chemical environments. Its compact wafer-style design allows for easy installation between flanges in tight spaces, commonly used in chemical processing, pharmaceutical, and water treatment industries.
PVDF Wafer Check Valve with Hastelloy C Spring
- Corrosion Resistance: PVDF body and components withstand highly corrosive media; Hastelloy C spring offers superior resistance to chemical attack and stress corrosion.
- Compact Wafer Design: Space-saving profile fits between standard flanges for easy installation.
- Reliable Backflow Prevention: Spring-assisted disc ensures quick valve closure to prevent reverse flow.
- Low Pressure Drop: Streamlined internal design minimizes flow resistance and energy loss.
- Lightweight and Durable: Non-metallic body reduces weight without compromising strength.
- Maintenance Friendly: Simple design allows easy inspection and servicing.
- Wide Application: Suitable for aggressive chemicals, acids, alkalis, and high-purity fluids.
- Temperature and Pressure Resistant: Designed to perform reliably under a range of operating conditions.
Technical Details of PVDF Wafer Check Valve with Hastelloy C Spring
| Technical Parameter | Specification |
|---|---|
| Body Material | PVDF (Polyvinylidene Fluoride) |
| Spring Material | Hastelloy C Alloy |
| Disc Material | PVDF or PTFE-lined |
| Valve Type | Wafer Check Valve with Spring |
| Connection Type | Wafer type for insertion between flanges (ANSI/DIN) |
| Size Range | 1/2″ to 6″ (15 mm to 150 mm) |
| Pressure Rating | Up to 10 bar |
| Temperature Range | -20°C to +120°C (depending on seal and spring material) |
| Operation Mode | Spring-assisted, non-return |
| Standards Compliance | ISO, ANSI, DIN (as per flange standards) |
| Size | DN | D (Outside Ø) | D1 (PCD) | D2 (Bore Ø) | K | H | H1 | C |
|---|---|---|---|---|---|---|---|---|
| 2'' | 50 | 165 | 125 | 52 | 4 × Ø18 | 43 | 78 | 25 |
| 2-1/2'' | 65 | 185 | 145 | 67 | 4 × Ø18 | 46 | 82 | 27 |
| 3'' | 80 | 200 | 160 | 81 | 8 × Ø18 | 50 | 88 | 29 |
| 4'' | 100 | 220 | 180 | 102 | 8 × Ø18 | 56 | 96 | 32 |
| 5'' | 125 | 250 | 210 | 127 | 8 × Ø18 | 60 | 105 | 35 |
| 6'' | 150 | 285 | 240 | 154 | 8 × Ø22 | 66 | 115 | 38 |
Size – Nominal Size (Inches)
DN – Nominal Diameter (mm)
D – Outside Diameter
D1 – Pitch Circle Diameter (PCD)
D2 – Bore Diameter
K – Bolt Hole Circle / Bolt Pattern
H – Overall Height
H1 – Inner / Effective Height
C – Body Thickness / Face Width

Customization & Processing Options
Customizations Option Available for PVDF Wafer Check Valve with Hastelloy C Spring
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
