Home / Regulators, Hose & Pigtails Product Description Sievert Hose Failure Valve Gas type: Propane Connection (input): POL Connection (output): BSP 3/8" LH Working pressure: 1.5-4 bar Max capacity (kg/h): 10-14 Delivery & Returns Sievert 305401 Hose Failure Valve £39.99 £33.33 (ex. VAT)