... , Material: Phosphor Bronze ,AISI 304,AISI 316 Bellows,Metallic bellows ,Bellows compensator,compensator,bellows compensator,stainless steel bellowsMaterial: Phosphor Bronze ,AISI 304,AISI 316 ... pressure well.4) They can play an important role in hose reciprocating motion, thermal expansion absorption, vibration absorption and adjusting compound ...