BOA DUO ELBOW Stainless steel hose Application fields: Double-ply metal hose assembly made of stainless steel, with simple stainless steel braid, one side with hexagon threaded nipple according to ISO 7-1, the other end with female thread according to ISO 7-1, brazed. Materials: Corrugated hose: Braid: Hex nipple Socket stainless steel 1.4571 (similar to 316Ti) stainless steel 1.4301 brass brass Recommended as flexible connections to heating and sanitary installations in civil defence buildings needing to be tight even in an emergency, i.e. they must be absolutely resistant against fire, shock, vibration and pressure. 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.