Max working pressure: as per NFPA 3.10.17.-1974: 12 bar Test pressure: as per NFPA 3.10.17.-1974: 15 bar Burst pressure: as per NFPA 3.10.17.-1974: 20 bar Connection ports : 3/4" BSP Working temperature: -30°C +110°C Material: Resin impregnanted cellulose (25µM)