A bellow is a zero leakage dynamic seal capable of a great range of motion.

l  Size range:  3/4" - 10"

l  Stainless steel material:  304ss, 316L 

l  Helium leak rate: < 1 x 10 -8 PaM3/Sec

All the bellows are 100% tested via INFICON UL1000helium leak detector.