STYLE 2777
Braided Packing
Novoloid Fiber, PTFE Impregnated
CONSTRUCTION
Style 2777 packing is an interlock braid using Novoloid fibers impregnated with PTFE. In addition, the individual fibers are lubricated using a special process that assures thorough lubrication for a longer packing life.
APPLICATION / SERVICE
Style 2777 packing is a high performance packing that is well suited to applications where graphite impregnation may not be acceptable. It can handle steam, water, acids and other chemical and solvent applications. This style has multiple uses in chemical plants and pulp and paper mills, and is regularly used in rotating and reciprocating pumps, washer journals, liquor pumps, refiners and digesters.
Services Limits
| Type | Description | Value |
|---|---|---|
| Temperature Limits: |
Minimum Maximum |
-148°F (-100 C) 482°F (250°C) |
| Pressure Limits: |
Rotating Reciprocating Static |
362 psi (25 bar) 725 psi (50 bar) 1450 psi (100 bar) |
| Shaft Speed: | 2952 fpm (15 m/s) | |
| pH: | 1 - 13 (except concentrated, hot sulfuric or nitric acid) |
APPROXIMATE YIELDS
| Size | Feet/Pound |
|---|---|
| 1/8" | N/A |
| 3/16" | N/A |
| 1/2" | 6.3 |
| 1/4" | 20 |
| 5/16" | 14.2 |
| 3/8" | 11.1 |
| 7/16" | 9.1 |
| 9/16" | 5.6 |
| 5/8" | 4 |
| 3/4" | 2.9 |
| 7/8" | 2.2 |
| 1" | 1.8 |