It is braided carbon packing treated with PTFE throughout to fill and seal all voids.
Style 249 is available in the following cross-section range: 1/8" to 1 1/2" (3.0 mm to 38.1 mm)
Applications
Style 249 is suitable for pulp and paper applications, chemical service, hydrocarbons, hot water, and most acids.
Style 249 is recommended for reciprocating applications and valves.
Performance | Rotary | Reciprocating | Valve | |
Max Pressure -psi bar kg/cm2 | N/A | 3200/221/225 | 4640/320/326.2 | |
Temp - °F/°C | in oxid. atm. | N/A | -300 to +650°F | -300 to +650°F |
in inert atm. | N/A | -300 to +1200°F | -300 to +1200°F | |
pH Range | N/A | 0 to 14 | 0 to 14 | |
Max Speed fpm (mps) | N/A | 600 (3) | 200 (1) | |
