NDK.200.250.BW
*
Low pressure expansion joint DN250 PN2.5
Multi ply bellow made of DIN 1.4541/AISI321with on both sides weld ends of AISI304/DIN 1.4301
273mm x 3mm
Axial movement +/-62mm or lateral movement +/-13mm
at 1000 cycles non concurrent
Axial spring rate 30 N/mm , lateral spring rate 113 N/mm +/-30%
Length L=315mm
Medium: unknown