24 L1 One mechanical seal package; lubricating fluids only. Lube oil Fuel oil Hydraulic Oil. Every fluid with lubricant characteristics. Self priming, double entry design, with internal bearings and synchronised timing gear. One mechanical or packing seal. » Working temperature up to 100°C. » Viscosity range up to 1500 cSt. » Inlet pressure up to 6 bar. » Differential pressure up to 16 bar. » Speed up to 3500 rpm. L2 Four “component” mechanical seal packages. Non lubricating low and medium viscosity and corrosive fluid. Self priming, double entry design, with external bearings separated by seals. Compact design for a simple maintenance and cheapest solution. Shaft seal shall be single or double. » Working temperature up to 150°C. » Viscosity range up to 1500 cSt. » Inlet pressure up to 6 bar. » Differential pressure up to 16 bar. » Speed up to 3500 rpm. L3 Four “cartridge” mechanical seal. Non lubricating low and medium viscosity and corrosive and dangerous fluids. Self priming, double entry design, with external bearings separated by seals. Long shaft design suitable for a wide range of seals. Possibility of cartridge design installation. » Working temperature up to 200°C. » Viscosity range up to 2500 cSt. » Inlet pressure up to 6 bar. » Differential pressure up to 16 bar. » Speed up to 3500 rpm. L4 Four API 682 mechanical seal. Non lubricating low and medium viscosity, corrosive and dangerous fluids in heavy duty service with operating more than 3 year. Self priming, double entry design, with external bearings separated by seals. Strong shaft design for all dangereous fluids in all conditions. Design to meet API 676 and all API 682 mechanical seal configurations. Possibility to work in mixed phases. » Working temperature up to 300°C. » Viscosity range up to 15000 cSt. » Inlet pressure up to 10 bar. » Differential pressure up to 40 bar. » Speed up to 3500 rpm. Are available in four different arrangements suitable to match most of the applications. Custom versions available on request. SCREW PUMPS Screw Pumps Twin Screw 2SP Series Screw Pumps www.jbj.co.uk/screwpumps.html #DriveLineHarmony
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