3.53 Three Smartflow 4” Dry Break Couplings – 640 Series Description The Smartflow largest standard size dry break coupling is a 4” or 164 mm coupling. These are commonly used in offshore oil and gas or marine bunkering applications where high flow rates and pressures are required. Both the stainless steel and aluminium versions of this product are rated at 25 bar max operating pressure, with the aluminium version weighing only 9 kg. The hose units at this size come with either two handles or a wheel. Features • 25 bar max working pressure • Very simple maintenance and service procedure • Full traceability, certificate of conformity and 3.1 Material certificates provided • Team spec: interchangeable with other manufacturers • Selectivity / key options • Variety of materials and configurations available • Laser engraved badges Specifications Max. working pressure 25 bar Temperature range -20°C to +60°C Nominal flow diameter 164 mm (DN100) Max. flow (kerosene 20°C) 3360 l/pm Material Aluminium or stainless steel – see below Seal material FKM Hose Unit – Aluminium Hose Unit – Stainless Steel Tank Unit – Aluminium Tank Unit – Stainless Steel New 640 Series BSPP Female Part Number Thread C106400001 4” NPT Female C106400002 4” New 640 Series BSPP Female – Valved Part Number Thread C106405001 4” NPT Female C106405002 4” 0330 0330 New 640 Series BSPP Female Part Number Thread C106400003 4” NPT Female C106400004 4” New 640 Series BSPP Female – Valved Part Number Thread C106405005 4” NPT Female C106405006 4” 0330 0330
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