4SP391, 4SH392, HWB2SC325, HWB1SC315, HWBR16/32B, HWBR17/31C-32C -40°C 100°C R13/397 -40°C 120°C PS-R15/398, HWB2N-K32S, W3-HWB300 -40°C 121°C Max Working Pressure (MAWP) in Bar, depending on nominal inner [...] 4SH392, HWB2SC325, HWB1SC315, R13/397, PS-R15/398, HWB2N-K32S, W3- HWB300, HWBR16/32B and HWBR17/31C-32C (Coupling type "VOSS Fluid S.r.l") Issued to Polimer Kaucuk San.ve Paz. A.S. ISTANBUL, Turkey is found [...] certificate is/are accepted for installation on vessels classed by DNV. Temperature range: -40°C to +121°C (Type dependent see certificate) Max. working press.: (Size dependent see certificate) Sizes: 3/16"-2"