Jiangsu Haifa Machinery Manufacturing Co., Ltd.

In the fields of fine chemicals, liquefied gases volatile media, and hazardous chemical transportation, traditional centrifugal pumps often encounter problems such as "difficulty in maintaining stability at low flow rates, the need for multiple stages to achieve high heads, and the risk of leakage from mechanical seals." Around these operating conditions, Magnetic Drive Regenerative Turbine Pump, Low Flow High Head Pump, Seess Chemical Pump, Annular Flow Channel, and NPSH Pump are becoming new technical keywords. core of a low-flow, high-head magnetic drive regenerative pump lies in the continuous annular flow channel between the outer edge the blades and the inner wall of the pump casing After the liquid enters pump chamber, it directly discharged after passing through the impeller once; instead, multiple recirculation and energy superposition occur between the blades and the annular flow channel, enabling a single-stage pump to achieve a relatively high pressure rise. This regenerative or tangential boosting mechanism is particularly suitable for low specific speed, low flow, and high head conditions. Publicly available technical materials show that turbine pumps can achieve a head significantly higher than that of ordinary centrifugal pumps under of smaller impeller diameter and lower flow rate through continuous energy exchange between impeller's outer-edge blades and the annular channel. Jiangsu Haifa Machinery Manufacturing Co., Ltd..jslgpump.com can combine this type of hydraulic structure with magnetic drive technology to form a leak-free transportation solution for corrosive, flammable, volatile, and high-purity media. Compared with traditional mechanically sealed pumps, Sealless Magnetic Drive eliminates dynamic shaft seals through an isolation sleeve and magnetic coupling, which can reduce the risk of leakage of toxic, harmful, and volatile media and is suitable for working conditions such as fine chemical, filtration circulation, liquefied gases, and low-flow high-pressure transportation. Existing international magnetic pump products have taken "high-head,-flow" and "zero leakage" as important application directions. In response to different process requirements, Jiangsu Ha can also combine corrosion-resistant magnetic pumps, 610 process pumps, high-temperature chemical pumps, and special alloy pump product systems to carry out coordinated design of impeller diameter, annular flow channel clearance, magnetic torque, bearing cooling, and NPSHr. For working conditions involving media close to the boiling point, low net positive suction head, or hazardous media, technical parameters such as Low NPSHr, Internal Recirculation, Hydro Bearing, and Eddy Current Loss Reduction are worthy of key. Moving from "simple leakage prevention" "low and high head + NPSH + no shaft seal + high reliability is becoming the development of high-value-added magnetic pumps. Haifa will continue to provide more compact, safer, and more efficient solutions for fine chemicals, petrochemicals, new energy, and special fluid through annular flow channel optimization, regenerative boosting magnetic transmission, and corrosion-resistant material matching. Chinese and English literature Chinese references: "CN104763677A Tangential Low-Flow High-Head Pump" — discloses the application of a tangential impeller under conditions of low specific speed, low flow, high head, and emphasizes the flat head curve and flow-varying pressure-stizing characteristics. "CN115234491A New Type of Shless Silent Magnetic Drive Rotating Casing Pump relates to annular flow, magnetic drive, and high-head structural design. "CN104153999B An Integrated Micro High-Speed Magnetic Pump with Integrated Motor and Pump" — points out that high-speed magnetic pumps have characteristics of low flow, high head, and leakage. English References: Roth Pump Company, Regenerative Turbine Pumps for Chemical Process Service — regenerative turbine pumps use annular channels and repeated vortex impulses to build pressure continuously. Pump Company, Magnetic Drive Regenerative Turb Pumps — on low, high-head, low-NPSH andalless hazardous-liquid service. Finish Thompson,DB Series Magnetic Drive Multi-Stage P — positioned specifically for high-head, low-flow chemical delivery and filtration applications.