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Pumps The Right Pumps for Storage Terminal Applications

Editor: Dominik Stephan

One for all: Oil, chemicals, fuels or petroleum can all be pumped with one device. Pump specialists Griswold states their 811 Series ANSI pumps are well suited for transfer operations in storage terminals, offering durability, efficiency and flexibility typically required in these environments.

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Griswold's 811 Series pumps feature self-tightening impellers that reduce leaks and failures; the ability to externally adjust the clearance so that peak efficiency is ensured even after wear-area loss.
Griswold's 811 Series pumps feature self-tightening impellers that reduce leaks and failures; the ability to externally adjust the clearance so that peak efficiency is ensured even after wear-area loss.
(Picture: Griswold)

The 811 Series pumps feature open impellers with two times the wear area of a closed design, which helps to optimize performance. This open-impeller design also minimizes concentrated wear by balancing the hydraulic axial thrust load and reducing the stuffing-box pressure. According to Griswold, this not only facilitates corrosive, abrasive, solid and stringy-fiber handling, but also simplifies maintenance, extends pump life and reduces repair costs.

The 811s also meet a diverse array of storage terminal applications because their casings can be constructed of a wide choice of materials, including ductile iron, 316 stainless steel, CD4MCu and alloy 20. They are constructed through investment and no-bake casting processes to ensure smooth, precise, superior finished that guarantee consistent, reliable performance. Griswold also employs metallurgists to strictly supervise all heat-treating operations so that maximum corrosion-resistance for all alloys is ensured.

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