Styles 2550 and 2551 crinkled flexible graphite tape are made from high purity graphite with no fibers, binders or other additives. Style 2550 crinkled tape is typically used as a stuffing box packing for pumps and valves. Style 2551 is the same as 2550 except that it is furnished with a self-adhesive backing strip to facilitate installation as a form-in-place gasket, thread sealant, or for facing jacketed and other difficult-to-seal gaskets.
Styles 2550 and 2551 flexible graphite covers a broad range of sealing applications. It handles most chemicals in the 0 - 14 pH range at cryogenic and elevated temperatures, and from vacuum to extreme pressures. It is used extensively in the chemical, automotive and pump and valve industries.
| Temperature ºF (ºC) | |
| Minimum | -328(-200) |
| Maximum | |
| In air | 842 (450) |
| In steam | 1202 (650) |
| In reducing or inert media | 5432 (3000) |
| Pressure psi (bar) | |
| Static | 1987 (137) |
| pH | |
|---|---|
| Minimum | 0 |
| Maximum | 14 |
| Thickness (in) |
Width (in) | Spool Length (ft) |
|---|---|---|
| .015 | 1/4″, 3/8″, 1/2″, 3/4″, 1″, 1-1/4″, 1-1/8″, 1-3/4″, 2″ | 1/4″ thru 1-1/8″…50′ |
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