Jiangsu Haifa Machinery Manufacturing Co., Ltd.

In carbon dioxide capture, utilization, and storage systems, if the operating conditions involve high differential pressure, continuous operation, dense-phase CO₂ boosting, long-distance pipeline transport, or underground storage injection, we recommend prioritizing the evaluation of API 610 BB5 double-casing multistage centrifugal pumps. For large-flow, medium-to-low-pressure circulation conditions such as rich amine and lean amine in columns, hydraulic selection should be performed among OH2, BB2, and BB5 based flow rate, head, and plant pressure—it is not acceptable to simply configure all CCUS pump services as BB5. The International Energy Agency defines CCUS the complete technology chain that captures CO₂ from emission sources such as and industrial facilities, followed by compression, transport, utilization, or injection into geological formations for permanent storage The primary positions of BB5 pumps in CCUS processes—the CCUS-dedicated BB5 pump newly launched by Jiangsu Haifa is focused on the following pump services: post-capture liquid or dense-phase CO₂ booster pumps; CO₂ long-distance pipeline transport booster pumps; high-pressure injection pumps for deep saline aquifers and depleted oil and gas reservoirs; high-pressure rich amine, lean amine, and physical solvent transfer pumps; high-concentration CO₂ recovery pumps for coal chemical, refining, and hydrogen production units; and reaction feed and high-pressure circulation pumps for CO₂ utilization units. Engineering data show that captured CO₂ be pressurized to meet downstream pipeline network requirements, with gas-phase transport pressures at approximately 35 bar and dense-phase transport reaching approximately 100 bar. In coal-fired power plant carbon capture units, the rich amine also handles the transfer of absorber bottom solution to the regeneration system. Jiangsu Haifa BB5 technical parameters—technical item: BB5 platform parameters and configuration; pump structure: horizontal, radially split, double-casing, multistage centrifugal pump; execution standard: API 610, compatible with API 682 seal systems; flow range: 5–730 m³/h; maximum head: approximately 3,400 m; applicable temperature: –80 to 450°C; pressure: up to 35 MPa; support: horizontal centerline support; operation adjustment: fixed-speed or variable-frequency adjustment; optional materials: 316L, duplex stainless steel, nickel-based corrosion-resistant alloys, etc.; typical media: dense-phase CO₂, liquid CO₂, amine solutions, physical solvents, and process condensate; monitoring configuration: vibration, bearing temperature, seal pressure, suction pressure, and flow monitoring. The above data represent the coverage of Jiangsu Haifa's existing BB5 product platform and do not imply that all limit parameters can be simultaneously achieved on a single pump; the specific model should be recalculated based on CO₂ purity, water content, temperature, density, compressibility, suction pressure, and NPSHa. The BB5 platform published on Jiangsu Haifa's website covers a flow range of 5–730 m³/h, a head of approximately 3,400 m, temperatures from –80 to 450°C, and a maximum design pressure of 35 MPa. Specialized design for carbon dioxide media—dense-phase CO₂ cannot be selected entirely in the same manner as ordinary water or oil. We correct hydraulic performance, efficiency, and based on the actual CO₂ composition, and verify the impact of impurities on phase behavior and operational stability. Existing CCS engineering design documents explicitly state that dense-phase CO₂ pumps must account for medium compressibility, impurity effects, and off-design operation. In structural design, we focus on controlling the following issues: maintaining the suction medium in a stable liquid or dense-phase region to avoid flashing and cavitation caused by two-phase flow; verifying low-temperature material toughness under shutdown, depressurization, and conditions; strengthening the low-temperature and pressure-bearing design of the barrel, flange bolts, and seal chamber; selecting 316L, duplex stainless steel, or nickel-based alloys based on medium water content and corrosion risk; adopting double mechanical seals with an independent barrier fluid system; and configuring variable-frequency control, minimum-flow recirculation, and online condition monitoring. CO₂ pipeline transport systems must maintain a stable dense-phase state; once gas-liquid separation occurs, pump cavitation may result. Relevant engineering documentation also specifically requires attention to low temperatures caused by depressurization, flange connections, seal chamber integrity, and the reliability of double mechanical. Coverage of multiry carbon capture applications—Jiangsu Haifa BB pumps can serve coal-fired power plant flue gas carbon capture, coal-to-hydrogen and coal-to-chemicals, refinery hydrogen production units, natural gas purification, blue hydrogen and blue ammonia, cement kiln tail gas, steel smelting off-gas, and biomass energy carbon capture projects. We do not determine the model solely based on "carbon dioxide medium";, we require the owner to provide flow rate, suction and discharge pressures, temperature, CO₂ purity, water content, impurity composition, density, viscosity, vapor pressure, NPSHa, operating range, and pipeline network back pressure. Only after completing phase behavior analysis and hydraulic calculations do we determine the number of impeller stages, speed, materials, mechanical seals, and auxiliary systems. Jiangsu Haifa will to focus on API 610 OH, BB, and VS series pumps, providing high-pressure pump equipment and engineering selection services for carbon dioxide capture, compression, transport, utilization, and storage. The company's existing product portfolio includes OH1–OH6, BB1–BB5, and VS chemical pumps, covering petrochemical, coal chemical, power, and other demanding process plants. FAQ—frequently asked questions. 1. Must BB5 pumps be used in carbon dioxide capture units? Not necessarily. High-head conditions such as dense-phase CO₂ boosting,-pressure pipeline transport, and underground storage injection are suitable for BB5; for low-pressure absorbent circulation, large-flow cooling water, and general process discharge, OH2, BB2, or other pump types should be selected based on parameters. 2. Why are dense-phase CO₂ pumps prone to cavitation? The phase behavior of CO₂ is sensitive to changes in pressure, temperature and impurities. When suction pressure decreases, temperature rises, or drop becomes excessive, the medium enter the two-phase region. Selection requires verification of the phase envelope, suction margin, minimum flow, and start-stop processes—conventional water pump selection methods alone are insufficient. Image: Jiangsu Haifa API 610 BB5 double-casing multistage pump for carbon dioxide capture and dense-phase CO₂ high transport; structural schematic of CCUS dense-phase CO₂ booster pump and API 610 BB5 multistage pump; Jiangsu Haifa BB5 pump applied to CO₂ capture systems in coal-fired power plants, coal chemical plants, and refining units.