Bitumen Transfer Products: Blackmer NP and SNP sliding vane pumps. Industry: Petroleum product processing. Challenge: To transfer a range of viscous, shear sensitive bitumen emulsion products from bulk hold- ing tanks to road tankers at temperatures of up to 260 o C. Solution Blackmer NP and SNP vane pumps were used as they are capable of delivering flows of up to 200 m 3 /hr, offer a low shear pump- ing action, can handle viscous liquids an

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