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PTFE Graphite packing
The hard corners are graphite impregnated PTFE. The body is graphite PTFE composite soft fiber seams.
Sizes for PTFE graphite packing are available in the following cross-section range:
1/8" to 1 1/2" (3.0 mm to 38.1 mm)
Applications for PTFE graphite packing
PTFE graphite packing is suitable for a wide range of services including corrosive applications.
PTFE graphite packing is recommended for rotary and centrifugal shafts, reciprocating equipment, and valve stems.
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Performance
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Rotary
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Reciprocating
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Valve
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Max Pressure -psi bar kg/cm2
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300/21/21
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3625/250/255
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3800/262/267
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Temp - °F/°C
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-450 to +550°F
(-268 to +288°C)
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-450 to +550°F
(-268 to +288°C)
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-450 to +550°F
(-268 to +288°C)
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pH Range
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0 to 14
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0 to 14
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0 to 14
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Max Speed fpm (mps)
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4500 (22.8)
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400 (2)
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200 (1)
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