متعلقات سيستم دو اينچ 622x330 Seal and O Rings

Seal and “O” Rings

Seal and “O” Rings
Material Temperature Range
“O” Ring, Viton ۵۰o F to +350o+F-
Primary Packing, Teflon
“O” Ring, Ethylene Propylene Steam to +450oF
Primary Packing, Vespel
“O” Ring, Kalrez or Chemraz ۳۵۰o F to +500o+F-
Silicone  
Primary Packing, Vespel In Excess of 500oF
Primary Packing, Nitronic 60
Do not use “O” rings at these temperatures

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