High Purity Wafer Check Valve with Hastelloy C Spring Graphics

High Purity Wafer Check Valve with Hastelloy C Spring

The High Purity Wafer Check Valve with Hastelloy C Spring is a compact, high-performance non-return valve designed for ultra-clean and chemically aggressive fluid systems. It features a wafer-style body made from high-purity PFA, PVDF, or PTFE, and is equipped with a corrosion-resistant Hastelloy C spring for enhanced durability in demanding applications. This valve ensures unidirectional flow and prevents backflow, making it ideal for high-purity and corrosive media environments.

Key Features of High Purity Wafer Check Valve with Hastelloy C Spring

  • Wafer-Style Design: Space-saving and easy to install between standard flanges.
  • High-Purity Materials: Wetted parts made from PFA, PTFE, or PVDF for ultra-clean operation.
  • Hastelloy C Spring: Excellent corrosion resistance and mechanical strength for aggressive chemical media.
  • Low Crack Pressure: Promotes smooth and energy-efficient flow initiation.
  • Reliable Backflow Prevention: Quick-acting disc design ensures tight sealing.
  • Chemical Resistance: Handles acids, solvents, and ultra-pure fluids without degradation.
  • Cleanroom Manufactured: Assembled in ISO Class 100 or better cleanroom conditions.
  • Standards Compliant: Meets SEMI F57, FDA, and USP Class VI specifications for purity.

Technical Information

Parameter Details
Size Range
1/2″ to 4″
Body Materials
PFA, PTFE, PVDF
Seal Materials
PTFE, EPDM, FKM (Viton)
Spring Material
Hastelloy C
Connection Type
Wafer-style (ANSI/DIN flange compatible)
Max Operating Pressure
Up to 100 psi at 20°C
Crack Pressure
Typically 2–5 psi
Temperature Range
PFA/PTFE: up to 260°C PVDF: up to 150°C
Surface Finish (Ra)
< 15 µin (0.38 µm)
Flow Direction
Unidirectional
Compliance Standards
SEMI F57, ASTM D3222/D3307, FDA, USP Class VI
Manufacturing Environment
ISO Class 100 or better cleanroom
Typical Applications
Chemical lines, DI water systems, solvent loops, and process-critical fluid control