... can play an important role in hose reciprocating motion, thermal expansion absorption, vibration absorption and adjusting compound tube center. Our ... , 316 L, 321,, etc 2,Specifications :DN10~DN300 3,Single wall thickness :0.09~1.0(Can according to customer ... ) Features:1.To Absorb Effectively He Vibration, Noise, Thermal Expansion From Pipeline System2.To Resolve Minor Deviation Because Of Piping ...