PTFE Spring Energized Seal 1,material:PTFE+Spring 2,Factory direct sales,competitive price 3,Low friction effection Spring PTFE Energized SealMaterial:PTFE+StainlessAdvantages:1,It can be used to reciprocating and rotary movement and adapt to most fluids and chemical2,Small friction coefficient,it will not crawl under precise control,corrosion resistance is strong and dimension stability is well; ...