Jiangsu Haifa Machinery Manufacturing Co., Ltd.

In the 1,000,000 t/y Propane Dehydrogenation (PDH) unit of Zhongjing Petrochemical, the main process includes propane feed, dehydrogenation reaction, reaction product cooling, compression, de-ethanization, propane/propylene separation, and export. Oleflex™ and CATOFIN® are both PDH technologies worldwide. Their pumped media feature light hydrocarbons, high vapor pressure, easy vaporization, and continuous operation, imposing high requirements on NPSH, sealing, and shaft system reliability. API 610 pump configuration OH1 is suitable for general media such as utilities and process water; OH2 centerline-supported pumps are suitable for propane feed, stabilized liquid, and high-temperature process liquid; OH and OH4 can be for vertical in-line applications in space-constrained areas; OH6 High-Speed Pump is suitable for low-flow, high-head light hydrocarbon and injection systems. BB1 is suitable for large-flow circulating water; BB2 is used for heavy-duty continuous process liquid transfer; BB3 and BB4 are suitable for medium-to-high-pressure multi-stage boosting; BB5 double-casing multi-stage pump (Barrel Pump) used for high-pressure propane feed, liquid hydrocarbon boosting, and product export. VS1 is suitable for large cooling water and underground sump applications; VS4 and VS5 are used for, condensate, and submerged discharge; VS6 and VS7 Vertical Can Pump are especially suitable for low NPSHa, easily vaporized propane/propylene, tank output, and light hydrocarbon boosting conditions. Jiangsu Haifa Machinery Manufacturing Co., Ltd. www.jslgpump.com has established a product line of OH, BB, and VS series API 610 process pumps, among which OH6 covers low-flow, high-head light hydrocarbon applications, BB5 targets high-pressure petrochemical conditions, and VS6/VS7 are suitable for low NPSH and tank liquid transfer. Engineering selection must be determined based on Flow, Head, Vapor Pressure, NPSHa/NPSHr, API 682 Seal Plan, Material Selection, and unit operating range. Summary references: [1] API Std 610, Centrifugal Pumps for, Petrochemical and Natural Gas Industries. [] Honeywell UOP, C3 Oleflex™ Propane Dehydrogenation Technology. [3] Lummus Technology / Clariant, CATOFIN® PDH Technology. [4 ISO 13709,rifugal Pumps for, Petrochemical and Natural Gas Industries.

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