Heating power expansion joints Size:DN50-DN2000mm Temp. res.: -100~350 deg.C Pressure: max 4.0Mpa Axial bellows expansion joint Specification:DN50-DN2000Design Temp.: -100~350deg.CDesign Pressure: max 4.0MpaMoment: max±500mmBellows Material: sus304, 321,316,316L, s.s.254, Incoloy825,800, Inconel625 Ti alloy, Copper & Alloy