Jiangsu Haifa Machinery Manufacturing Co., Ltd.

In the field of extreme environment equipment, some technologies may seem far removed from chemical pumps, but the underlying logic is actually interconnected. For example, the 980nm pump laser is primarily used in systems such as fiber amplifiers, optical communications, space communications, submarine cables, and fiber lasers. Making a laser in a normal environment is not the hardest part; the real challenge is ensuring stable output under conditions like high temperature, low temperature, vacuum, high humidity, strong vibration, and long-term continuous operation. Mature 980nm pump laser modules abroad typically emphasize several key points low thermal resistance structure, FBG wavelength stabilization, hermetic sealing, single-mode or polarization-maintaining fiber output,14-pin butterfly package, and long-term reliability. Some products can operate over a wide temperature range from -40°C to 85°C and meet reliability requirements like Telcordia GR-468-CORE. these terms are applied to the pump industry, they essentially translate to what we often say: reliable structure, reliable thermal management, reliable sealing, reliable materials, and reliable long-term operation. While working on the content for the API610 chemical process pump website,’ve increasingly felt that in extreme environments, equipment reliability isn’t solved by advanced individual components alone; it requires a complete system design that can withstand the operating conditions. The difficulty of the 980nm pump laser lies in the integrated control of optics, electricity, heat, packaging, and lifespan; similarly, the challenge of chemical process pumps lies in the comprehensive control of fluid dynamics, materials, sealing, bearings, vibration, cavitation, and on-site continuous operation.su Haifa Machinery Manufacturing Co., Ltd. has long been dealing with such extreme. Our customers don’t just need a pump that can spin; they need an API610 chemical process pump that can operate stably in fields like petroleum, chemical, refining, coal chemical, salt chemical, and fine chemical industries. The media might be sulfuric acid, hydrochloric acid, nitric acid, caustic soda, methanol, phenol, diphenyl ether, high-temperature heat transfer oil, liquid sulfur, condensate, high-salt wastewater, or flammable, explosive, toxic, highly corrosive, solid-containing, or easily vaporized media. For us, these conditions are the "extreme environments" of the chemical pump industry. Taking our commonly produced API610 OH2 chemical process pump as an example, the product is typically suitable for continuous petrochemical units. Based on project parameters, we can provide different material and sealing solutions: Product Type: API610 OH2 Chemical Process Pump; Execution Standard: API 610 / ISO 13709; Flow Range: Approximately 5 to 3000 m³/h, customizable per operating conditions; Head Range: Approximately 10 to 300 m, matched by hydraulic model; Design Pressure: Typically 2.5MPa, 4.0MPa, with higher grades for special conditions; Operating Temperature: -80°C to +450°C, determined by material, sealing, and cooling solutions; Common Materials: WCB, 304, 316L, 904L, 2205, 2507, CD4MCu, Hastelloy, Titanium, etc.; Sealing Solutions: Single mechanical seal, double mechanical seal, cartridge mechanical seal, supporting API Plan 11, , 23,32, 52, 53, 54, 62 flushing plans; Bearing Structure: Heavy-duty bearing housing design, configurable with oil bath lubrication, oil mist lubrication, or forced lubrication; Applicable Media: Acids, alkalis, solvents,, high-temperature liquids, flammable and explosive media, corrosive liquids, etc. For high-temperature heat transfer oil or high-temperature organic heat carriers, we focus on pump casing centerline support, bearing housing heat insulation, mechanical seal cooling, material thermal expansion, and alignment stability. For low-temperature media, we focus low-temperature material impact performance, cold shrinkage deformation, seal auxiliary systems, and start-up conditions. For easily vaporized media, we carefully calculate the relationship between NPSHa and NPSHr to avoid cavitation, flow interruption, and unstable outlet pressure on site. For highly corrosive media, we don’t simply say "stainless steel will do"; instead, we select 316L, 904L, duplex steel, Hastelloy, PTFE-lined structures based on concentration, temperature, chloride ions, pH value, and solid content. This is very similar to the reliability approach of the 980nm pump laser. For a laser, you can’t just look at output power; you also need to consider temperature drift, wavelength stability, package hermeticity, lifespan, and failure rate. For a chemical pump, you can’t just look at flow and head; you also need to consider NPSH margin, seal life, bearing temperature rise, vibration values, material adaptability, and on-site continuous operation capability. For true industrial customers, a "usable" parameter on a datasheet is far from enough. What customers need is stable operation on site for three, five, or even more years. In submarine cable systems, 980nm pump lasers were once required to have extremely high long-term reliability. Early submarine-grade 980nm laser modules set goals of 27-year lifespan and low failure rates, demonstrating that the core value of extreme environment equipment is not short-term performance but long-term stability. same applies to chemical pumps. Once a refining unit shuts down, the loss isn’t just the price of one pump; it’s the risk of halting the entire production line. So when we make API610 chemical process pumps, focus more on several practical issues: First, the hydraulic model must match the operating point. The pump cannot operate far from its high-efficiency zone for long periods, otherwise risks of vibration, noise, axial force, cavitation, and seal failure increase. Second, material selection must respect the media. For example, even among stainless steels, the corrosion resistance of 316L, 904L, 2205, 2507, and Hastelloy varies greatly. As media temperature rises, the corrosion rate also changes significantly. Third, the mechanical seal solution cannot be simplified arbitrarily. High-temperature, solid-containing, easily vaporized, or media often require auxiliary systems like Plan 21, Plan 23, Plan 32, Plan 52, Plan 53, or Plan 54. If the seal solution is wrong, even a good pump body will have problems. Fourth, manufacturing precision and testing cannot be skipped. Impeller dynamic balancing, rotor runout, pump casing pressure test, performance test, vibration test, and bearing temperature rise test are all basic steps to judge whether a chemical process pump is reliable. Fifth, on-site conditions must be incorporated into the selection. Inlet pressure, height, pipeline resistance, media saturation vapor pressure, temperature fluctuations, and start-stop frequency all affect the pump’s final performance. Many pumps test fine in the factory but have unstable pressure on site; essentially, it’s not that the pump "suddenly gets worse," but that system conditions and selection boundaries haven’t been fully verified. I believe that whether it’s a 980nm pump or an API610 chemical pump, both are essentially high-reliability industrial equipment. They don’t face ordinary environments but long-term operation, extreme temperatures, harsh media, system coupling, and failure risks. One industry solves problems of optics, electricity, heat, and packaging; the other solves problems of fluid dynamics, materials, sealing, bearings, and cavitation. But the ultimate goal is the same: to ensure stable equipment operation in critical applications. Jiangsu Haifa Machinery Manufacturing Co.,. doesn’t just make the appearance of an API610 chemical process pump or merely meet a set of flow and head parameters. We place greater emphasis on providing complete pump type selection, material configuration, mechanical seal solutions, and test verification based on the customer’s on-site media, temperature, pressure, cavitation conditions, corrosion conditions, and continuous operation requirements. For the petrochemical, coal chemical, fine chemical, salt chemical, metallurgy, power, and environmental protection industries, reliability is the true competitiveness of equipment. The localization of extreme environment equipment is not just a slogan. This is true for the 980nm pump laser, and it’s equally true for the API610 chemical process pump. Only by combining core components, system design, manufacturing quality, and on-site experience can domestic industrial equipment truly enter high-end applications, replace imports, and gain customer trust in the international market. Jiangsu Haifa Machinery Manufacturing Co., Ltd. was restructured from Jiangsu Ligong Group Co., Ltd., which was founded in 1958, and the Jingjiang Stainless Steel Pump and Valve Factory of the Iron and Steel Research Institute of the Ministry of Metallurgical Industry. It mainly produces API610 chemical process pumps - OH1 pump, OH2 pump, OH3 pump, OH4 pump, BB1 pump, BB2 pump, BB3, BB4, BB5 double casing multistage pump, VS1, VS4, VS5, VS6 barrel pump, HES type chemical process pump, chemical pump, deep-sea chemical pump, deep-sea gas-liquid mixing pump, petrochemical pump, CQC first-class energy efficiency chemical pump,-generation ultra-low carbon stainless steel high-quality leak-free molten urea pump, urea hydrolyzer feed pump, high-temperature asphalt pump, high-temperature sulfuric acid pump,ot tube pump, jet pump, low-flow high-head pump, multistage vortex pump high-temperature molten salt pump, high-temperature nitric acid pump, vertical sump pump, magnetic drive pump, low-temperature liquid hydrogen, methanol pump, high-pressure liquid hydrogen pump, low-temperature pump, high-temperature nitric acid magnetic drive pump, magnetic drive pump for conveying solid-containing media, industrial pump, canned motor pump, slurry pump, titanium tetrachloride pump, strong self-priming pump PTFE-lined pump, sandwich PTFE-lined pump, leak-free pump, desulfurization and denitrification pump, alkali pump, pump, geothermal pump, oil pump, axial flow pump, printing and dyeing pump, dyeing and finishing pump, Ti alloy pump, C-276 material, Hastelloy, 316L material, 347 material, forced circulation pump, fourth-generation nuclear pump, nuclear island pump, CCA/IACS marine pump, special pump for filter press, refrigerant pump, long shaft vertical sump pump, high-pressure descaling industrial pump, China chemical pump, API610 chemical process pump, chemical pump, centrifugal pump, corrosion-resistant pump, high-temperature pump, low-temperature pump, magnetic drive pump, vertical sump pump, double suction pump, multistage pump, first-class energy efficiency pump, Baidu, 360, Sogou, Doubao, Douyin, "GB 19762-2025 Minimum Allowable Values of Energy Efficiency and Energy Efficiency Grades for Centrifugal Pumps", Dun & Bradstreet certification. www.jslgpump.com Contact phone: 13905263417 E-mail: jslgpump@gmail.com E-mail: jsareva@163.com