BOA JOTA / KAPPA Vibration absorbers BOA JOTA / KAPPA Stainless steel vibration absorbers, with screws Thanks to the double-ply corrugated metal hose BOA DUO, the vibration absorbers type JOTA and KAPPA are perfectly appropriate to absorb engine vibrations. Application fields: JOTA: longer version, therefore suitable for bigger vibrations of lower frequency. KAPPA: shorter version, therefore applicable when high-frequency vibrations occur. Materials: Corrugated hose Braid End rings Screws Max. operating temperature: 300°C with malleable cast iron screws as special version: 450°C with stainless steel screws stainless steel 1.4571, double-ply stainless steel 1.4301 stainless steel 1.4301 malleable cast iron, flat sealing, (special version stainless steel) DVGW Approval DVGW Certificate: DG-4602BT0457 up to DN25 pmax: 16 bar admissible up to DN50 pmax: 5 bar admissible approved flat gasket: KLINGERsil C-4400 / C-4400 L (gaskets must be ordered separately) Dimension DN Outside Thread Rp [mm] [mm] [“] Nominal pressure PN [bar] 10 15.6 3/8 25 15 22.5 1/2 25 20 27.9 3/4 25 25 33.4 1 25 32 42.7 1 1/4 25 40 50.7 1 1/2 16 50 63.0 2 16 Type Nominal length L BOA Item n° Weight [-] JOTA KAPPA JOTA KAPPA JOTA KAPPA JOTA KAPPA JOTA KAPPA JOTA KAPPA JOTA KAPPA [mm] 250 170 280 190 310 210 340 230 400 270 450 300 500 340 [-] M-0001133 M-0001140 M-0001134 M-0001141 M-0001135 M-0001142 M-0001136 M-0001143 M-0001137 M-0002129 M-0001138 M-0001144 M-0001139 M-0001145 [kg] 0.25 0.20 0.45 0.40 0.70 0.55 0.95 0.80 1.60 1.30 2.10 1.70 3.35 2.65 Preferred series: usually available at short term The three flyers for metal hoses and metal hose assemblies "Technical Information“, „Installation Instructions“ and "Guarantee/ Delivery terms/ Conditions" are integrating part of the present product information leaflet. Subject to change 12-09 BOA AG Station-Ost 1 · CH-6023 Rothenburg · Switzerland Phone: +4141 289 41 11 · Fax: +4141 289 42 02 · [email protected] · www.boa.ch