ES-4 tube coupling comprise the following main components: stud couplings, union nuts and VOSS ES-4 cutting rings. 1.2 Identification and technical data: Identification: ACM 0135/2209/2 Technical data: Series [...] (MPA-NRW) dated 28/01/2000 - Test report UB: AEV 001/00/1 (VOSS) 3.2 Mounting trials, leak, bursting pressure, vacuum and extraction tests performed at VOSS Automotive GmbH Testing Laboratory, Wipperfürth / GERMANY [...] 5.3 VOSS Fluid GmbH has to make the necessary arrangements to have its works recognised by BUREAU VERITAS in compliance with the requirements of NR320 for HBV products. 5.4 For information, VOSS Fluid