It is carbon yarn packing treated with PTFE to prevent carbon migration and provide excellent break-in qualities with a non-silicone break-in lubricant. Style 228 is available in the following cross-section range: 1/8" to 1 1/2" (3.0 mm to 38.1 mm) Applications Style 228 is suitable for hydrocarbons, virtually all chemicals, and water services, including pulp and paper applications.
Style 228 is recommended for rotary and centrifugal shafts. Performance | Rotary | Reciprocating | Valve | Max Pressure -psi bar kg/cm2 | 100/6.9/7 | 2000/138/141 | 2000/138/141 | Temp - °F/°C | in inert atm.; | -300 to +1200°F
(-184 to +649°C) | -300 to +1200°F
(-184 to +649°C) | -300 to +1200°F
(-184 to +649°C) | | in oxid. atm.; | -300 to +650°F
(-184 to +343°C) | -300 to +650°F
(-184 to +343°C) | -300 to +650°F
(-184 to +343°C) | pH Range | 0 to 14_ | 0 to 14 | 0 to 14 | Max Speed fpm (mps) | 4500 (22.8) | 300 (1.5) | 200 (1) |
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