Bulk liquid transfer pumps utilizing two contra rotating screws providing a smooth pulse free flow. Each screwset is accurately located between bearings providing a physical gap between each screw and between the screwset and casing, thus providing a positive displacement pump which does not require internal lubrication from the pumped liquid.

Twinro pumps are available with a sensitive dashpot relief valve for rapid opening and damped closing can be fitted with a relief valve jacking device for manual by pass / re-circulation of liquid.

		The Twinro 2 screw pump is a heavy duty, fixed flow transfer unit. It is available in either Iron, Steel or Stainless Steel constructions to suit a variety of duties. The design of the screwset means the screws intermesh without metalic contact, making the pump suitable for non-lubricating duties. The pump is available in two configurations :
		•Outboard bearing pumps suitable for non-lubricating liquids, such as Petroleum Liquids, Palm Oils, Fatty Acids and Water Emulsions.
		•Inboard bearing pumps suitable for lubricating liquids, such as Lube Oils, and clean Fuel Oils.
		Operating Parameters
		Capacity: up to 425 M3/hr
		Pressure: up to 14 Bar
		Viscosity: up to 7,000 cSt
		Temperature: -40 to +200 C
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