BOA SIGMA / OMEGA Stainless steel vibration absorbers, with loose flange fitting Thanks to the double-ply corrugated metal hose BOA DUO, the vibration absorbers type SIGMA and OMEGA are perfectly appropriate to absorb engine vibrations. Materials: Corrugated hose Braid End rings Collar Loose flanges stainless steel 1.4571 stainless steel 1.4301 stainless steel 1.4301 stainless steel 1.4571 steel 37.2, drilled acc. to PN16, from DN 200 on, drilled acc. To PN10 (special version: stainless steel) SIGMA: longer version, therefore suitable for bigger vibrations of lower frequency. OMEGA: shorter version, therefore applicable when high-frequency vibrations occur. Max. operating temperature: - 350°C with steel loose flanges 450°C as special version with stainless steel loose flanges SIGMA OMEGA SIGMA OMEGA SIGMA OMEGA SIGMA OMEGA SIGMA OMEGA SIGMA OMEGA SIGMA OMEGA SIGMA OMEGA OMEGA Application fields: Preferred series; usually available at short term Useful data for placing an inquiry or order:     The three leaflets for metal hoses and metal hose assemblies "Technical Information“, „Installation Instructions“ and "Guarantee/ Delivery terms/ Conditions" are integrating part of the present product data sheet. Specifications subject to change without notice