Parker - 4 VGR-SS - 1/4” Stainless Steel Retained Flat Gasket for VacuSeal™

The Parker 4 VGR-SS is a 1/4” retained flat gasket designed for use with VacuSeal™ ultra-high purity (UHP) face seal fittings. Constructed from silver-plated 316 stainless steel, this gasket ensures exceptional leak integrity and chemical resistance, making it ideal for critical applications in semiconductor manufacturing, analytical instrumentation, and high-purity gas distribution systems. 

Key Features:

• Model: 4 VGR-SS

• Brand: Parker

• Series: VacuSeal™

• Gasket Type: Retained Flat Style

• Material: Silver-plated 316 Stainless Steel

• Size: 1/4”

• Leak Rate: ≤ 1 x 10⁻⁹ std cc/sec He

• Surface Finish: 5 Ra electropolished

• Operating Temperature: Up to 1000 °F (537 °C)

• Applications: Suitable for semiconductor tools, valve manifold boxes (VMBs), gas cabinets, and other UHP gas distribution systems