Utilizing proven spiral groove technology, the Type 28VL harnesses the rotational energy of the pump shaft to vaporize the process fluid at a controlled rate, creating a stable gas film that lubricates the seal faces. Typical problems, such as dry-running wear, vapor lock in the seal chamber and "face popping" (which can lead to catastrophic failure of conventional wet seals), are eliminated by the Type 28VL non-contacting face technology.
| John Crane, Inc. | |
|---|---|
| Product Category | Mechanical Seals |
| Product Number | Type 28VL |
| Product Name | Non-contacting Gas Seal for Vaporizing Liquids |
| Mechanical Seal Type | Single |
| Seal Application | Gas Seal (Spiral Groove Seal) |
| Shaft Diameter | ? to 11 inch (? to 279 mm) |
