Griswold 811 Series ANSI Pumps Meet Oil-and-Gas Needs

05.09.2012

Griswold Pump Company announced that its 811 Series ANSI Centrifugal Pumps offer standard-setting performance and reliability for a wide range of operations within the oil-and-gas industry.

Griswold 811 Series ANSI Pumps Meet Oil-and-Gas Needs

Griswold Pump Company

Griswold 811 Series ANSI pumps—which were among the first to meet centrifugal-pump manufacturing criteria established by the American National Standards Institute (ANSI) in 1977—are ideal for oil-and-gas applications because they offer the versatility required to complete a number of crucial oil-and-gas operations. For example, 811 ANSI pumps can pump produced saltwater into trucks or pipelines, while they are also able to facilitate the complete transfer of oil from a tanker to a storage tank. They are also ideal for tank transfer and truck loading and unloading in low-temperature and low-pressure conditions.

Griswold’s 811 Series ANSI pumps satisfy these diverse needs because they have been engineered for operational flexibility, efficiency and durability. They have two times the wear area between the case and impeller when compared to closed-impeller designs. The 811’s open-impeller design also minimizes concentrated wear by balancing the hydraulic thrust load and reducing stuffing-box pressure, which maximizes performance while simplifying maintenance, extending pump life and reducing repair costs.

The casing of an 811 Series pump can be constructed of ductile iron, CDM4Cu, Alloy 20 or stainless steel, while a no-bake casing process ensures smooth, precise, superior finishes. The pumps are available in a full range of sizes with flow rates up to 4,000 gpm (15,142 L/min) with the ability to operate in temperatures up to 500ºF (260ºC). Standard features include self-tightening impellers, the ability to externally adjust the pump’s clearance so that peak efficiency is maintained, and power frames that make the pumps an estimated 33% stronger than competitive models.

Source: Griswold

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