Flowserve VRA Seal
The VRA is an outside mounted, dry-running single pusher seal designed to operate on top entry agitators and mixers. Self-lubricating carbon or filled PTFE seal faces run completely dry without cooling.
Size Range: 25 to 178 mm (1.000 to 7.000 in)
Metal Components: 316 Stainless Steel, Filled PTFE
Rotating Face: Carbon, Filled PTFE
Stationary Face: Durachrome, Tungsten Carbide, Aluminum Oxide
Gaskets: Fluroelastomer, Perfluroelastomer, EPR
Springs: Alloy C-276
Operating Parameters
- Pressure: Full vacuum to 13.8 bar (200 psi)
- Temperature: Up to 149C (300F)
- Speed: Up to 350 rpm