{"id":8068,"date":"2026-10-13T16:06:31","date_gmt":"2026-10-13T14:06:31","guid":{"rendered":"https:\/\/www.cdrpompe.com\/?p=8068"},"modified":"2026-10-13T16:06:31","modified_gmt":"2026-10-13T14:06:31","slug":"guide-for-pumps-for-corrosive-fluids","status":"publish","type":"post","link":"https:\/\/www.cdrpompe.com\/en\/guida-pompe-fluidi-corrosivi\/","title":{"rendered":"Guide to pumps for corrosive fluids: how to choose the best solution"},"content":{"rendered":"<p class=\"PDq2pG_selectionAnchorContainer\" dir=\"auto\" data-start=\"598\" data-end=\"1280\">In chemical, pharmaceutical, galvanic and many other industries, the handling of aggressive substances exposes plants to liquids that can easily deteriorate metals, polymers, seals and sealing systems. The choice of <strong data-start=\"868\" data-end=\"888\">pumps for fluids<\/strong> Corrosive materials must take into account not only the substance being transported, but also the conditions under which the transfer takes place, considering key parameters such as concentration flow rate and materials. A component that is unsuitable or has incorrect design parameters can favor phenomena such as <strong>Corrosion, leaks, contaminations and unexpected shutdowns\u2014all extremely serious problems, especially for companies in the sector chemical.<\/strong><\/p>\n<p dir=\"auto\" data-start=\"1282\" data-end=\"1737\"><strong>Acids, bases, solvents and process reagents<\/strong> They are very different from each other and should not be treated as a single category. In fact, even a small variation in their density or temperature can alter the fluid\u2019s behavior towards the materials. For this reason, the extremely high safety standards required require considering the system as a whole, from the construction of the body and impeller fins to the seals and the sealing system.<\/p>\n<p dir=\"auto\" data-start=\"1739\" data-end=\"2213\"><a href=\"https:\/\/www.cdrpompe.com\/en\/\" target=\"_blank\" rel=\"noopener\">CDR Pompe<\/a> provides numerous solutions <strong data-start=\"1770\" data-end=\"1866\">a magnetic drive and configurations with mechanical seal<\/strong> for industrial applications with aggressive and corrosive fluids, in addition to supplying the equipment, we also provide design, customization, and installation services. <a href=\"https:\/\/www.cdrpompe.com\/en\/cdr-attended-tests\/\">test<\/a> and the technical support thanks to our special <a href=\"https:\/\/www.cdrpompe.com\/en\/cdr-service-department\/\" target=\"_blank\" rel=\"noopener\">Service Department<\/a>. To identify the solution most suited to the needs of your system, our staff is available to customers to explore further details. <strong data-start=\"2131\" data-end=\"2212\">products and services dedicated to the transfer of chemical substances<\/strong>.<\/p>\n<h2 dir=\"auto\" data-section-id=\"115soj7\" data-start=\"2215\" data-end=\"2259\">What is meant by a corrosive fluid?<\/h2>\n<p dir=\"auto\" data-start=\"2261\" data-end=\"2619\">A corrosive fluid chemically attacks the materials it comes into contact with, over time deteriorating the internal surfaces of the pump, the pipes, the seals and other components until compromising the tightness and performance of the equipment.<\/p>\n<p dir=\"auto\" data-start=\"2621\" data-end=\"3071\">Concentration, contact time and other present substances can significantly alter its effect on materials. A diluted acid, for example, may behave differently than the same acid at a higher concentration; similarly, increasing temperature can affect the durability of components.<\/p>\n<p dir=\"auto\" data-start=\"3073\" data-end=\"3569\">For this reason, when choosing <strong data-start=\"3112\" data-end=\"3132\">pumps for fluids<\/strong> It is extremely important to verify the resistance of the materials actually used in the construction of the pump and to determine whether they are suitable for the actual operating conditions.<\/p>\n<h3 dir=\"auto\" data-section-id=\"em479o\" data-start=\"3571\" data-end=\"3638\">Which aggressive substances are transferred more frequently?<\/h3>\n<p dir=\"auto\" data-start=\"3640\" data-end=\"4047\">Some are used for reactions and treatments, others for cleaning, degreasing or adjusting process parameters. Among them: <a href=\"https:\/\/www.cdrpompe.com\/en\/cdr-pump-material-compatibility\/\" target=\"_blank\" rel=\"noopener\">aggressive fluids<\/a> The most frequently handled items include:<\/p>\n<ul data-start=\"4116\" data-end=\"6598\">\n<li data-section-id=\"1f4r9df\" data-start=\"4116\" data-end=\"4425\"><strong data-start=\"4118\" data-end=\"4138\"><a href=\"https:\/\/www.cdrpompe.com\/en\/sulfuric-acid-centrifugal-pump\/\" target=\"_blank\" rel=\"noopener\">Sulfuric acid<\/a>:<\/strong> Used in the production of fertilizers, in industrial treatments and in pH control operations. Its action varies depending on the concentration and temperature;<\/li>\n<li data-section-id=\"1tl11e6\" data-start=\"4427\" data-end=\"4742\"><strong data-start=\"4429\" data-end=\"4450\"><a href=\"https:\/\/www.cdrpompe.com\/en\/hydrochloric-acid-centrifugal-pump\/\" target=\"_blank\" rel=\"noopener\">Hydrochloric acid<\/a>:<\/strong> Used in superficial treatments and cleaning industrial, it is a particularly aggressive substance against many metals;<\/li>\n<li data-section-id=\"ygx7zi\" data-start=\"4744\" data-end=\"5015\"><strong data-start=\"4746\" data-end=\"4764\">Nitric acid:<\/strong> employed in chemical production. Besides its corrosiveness, its oxidizing properties make it important to carefully check the resistance of the materials;<\/li>\n<li data-section-id=\"x6leso\" data-start=\"5017\" data-end=\"5290\"><strong data-start=\"5019\" data-end=\"5037\">Caustic soda:<\/strong> Also known as sodium hydroxide, it is used for washing, complex chemical treatments and pH regulation;<\/li>\n<li data-section-id=\"9itbr2\" data-start=\"5292\" data-end=\"5521\"><strong data-start=\"5294\" data-end=\"5318\"><a href=\"https:\/\/www.cdrpompe.com\/en\/sodium-hypochlorite-pump\/\" target=\"_blank\" rel=\"noopener\">Sodium hypochlorite<\/a>:<\/strong> Used in disinfection treatments and water treatment. Its oxidizing nature requires particular care when selecting the gaskets;<\/li>\n<li data-section-id=\"vn7sl2\" data-start=\"5523\" data-end=\"5727\"><strong data-start=\"5525\" data-end=\"5545\">Ferric chloride:<\/strong> Used mainly in water treatment and in chemical processes <a href=\"https:\/\/www.cdrpompe.com\/en\/magnetic-pumps-for-the-electroplating-industry\/\" target=\"_blank\" rel=\"noopener\">Galvanic<\/a>;<\/li>\n<li data-section-id=\"1cxlkxu\" data-start=\"5729\" data-end=\"5987\"><strong data-start=\"5731\" data-end=\"5755\">Decapating solutions:<\/strong> Used to remove oxides, residues and contaminants from metal surfaces. Their composition can vary greatly and may include combinations of acids or other reagents;<\/li>\n<li data-section-id=\"ojkujk\" data-start=\"5989\" data-end=\"6296\"><strong data-start=\"5991\" data-end=\"6012\">Chemical solvents:<\/strong> They include substances with very different properties, some of which can attack certain polymers, elastomers or metallic materials. The choice of fluid pumps must therefore take into account the exact composition of the solvent and not just its function in the process;<\/li>\n<li data-section-id=\"whhfle\" data-start=\"6298\" data-end=\"6598\"><strong data-start=\"6300\" data-end=\"6325\">Process reagents:<\/strong> Since they can have very variable chemical characteristics and operating conditions, the selection of the pump must start from the relevant technical data sheet and the operating parameters.<\/li>\n<\/ul>\n<h2 dir=\"auto\" data-section-id=\"y6ibv\" data-start=\"6600\" data-end=\"6664\">Why use centrifugal pumps for corrosive fluids?<\/h2>\n<p dir=\"auto\" data-start=\"6666\" data-end=\"7084\">The <a href=\"https:\/\/www.cdrpompe.com\/en\/atex-zone-pump\/\" target=\"_blank\" rel=\"noopener\">Centrifugal pumps<\/a> They are widely used in the transfer of corrosive liquids fluids due to their ability to handle high flows continuously, with a relatively simple operation, and to the wide range of possible configurations in relation to the flow rate demand, the aspiration conditions, total head and the requirements.<\/p>\n<p dir=\"auto\" data-start=\"7540\" data-end=\"7663\">Among the main reasons why centrifugal pumps are adopted for the transfer of corrosive substances:<\/p>\n<ul data-start=\"7665\" data-end=\"8442\">\n<li data-section-id=\"vulb8b\" data-start=\"7665\" data-end=\"7813\"><strong data-start=\"7667\" data-end=\"7687\"><a href=\"https:\/\/www.cdrpompe.com\/en\/centrifugal-pump\/\" target=\"_blank\" rel=\"noopener\">High levels<\/a>:<\/strong> they are suitable for handling significant quantities of liquid, an important characteristic for all chemical plants;<\/li>\n<li data-section-id=\"qta0fk\" data-start=\"7815\" data-end=\"7957\"><strong data-start=\"7817\" data-end=\"7844\">Continuous operation:<\/strong> Some pumps are designed to operate for extended cycles, even 24 hours a day, when properly sized and used within the specified parameters;<\/li>\n<li data-section-id=\"lu4ncf\" data-start=\"7959\" data-end=\"8090\"><strong data-start=\"7961\" data-end=\"7988\">Constructive simplicity:<\/strong> The structure of many centrifugal pumps facilitates the operations of control, management and maintenance;<\/li>\n<li data-section-id=\"m94z5j\" data-start=\"8092\" data-end=\"8246\"><strong data-start=\"8094\" data-end=\"8126\">Integration into the systems:<\/strong> They are available in configurations that allow them to be integrated into various existing piping systems and process circuits;<\/li>\n<li data-section-id=\"buw8qd\" data-start=\"8248\" data-end=\"8442\"><strong data-start=\"8250\" data-end=\"8296\">Availability of anti-corrosion materials:<\/strong> The use of metallic or fluoroplastic materials, selected according to the different fluid type, allows the pump to be adapted to a wide range of applications. <a href=\"https:\/\/www.cdrpompe.com\/en\/chemical\/\" target=\"_blank\" rel=\"noopener\">chemical applications<\/a> different;<\/li>\n<\/ul>\n<p dir=\"auto\" data-start=\"8444\" data-end=\"8627\">The efficiency and reliability of <strong data-start=\"8480\" data-end=\"8500\">pumps for fluids<\/strong> Corrosives depend, however, on the correct combination of technology, materials and sizing.<\/p>\n<h3 dir=\"auto\" data-section-id=\"1evn7fa\" data-start=\"8629\" data-end=\"8681\">The criteria to be considered before choosing the pumps for corrosive fluids<\/h3>\n<p dir=\"auto\" data-start=\"8683\" data-end=\"9158\">We have mentioned that corrosive fluid pumps must be chosen taking into account a long series of parameters. A choice based solely on the flow rate nominal or material specifications pump casing may in fact overlook equally important components such as seals, gaskets and internal parts.<\/p>\n<p dir=\"auto\" data-start=\"8683\" data-end=\"9158\">Let us now look in detail at the fundamental criteria to consider before purchasing a centrifugal pump for corrosive fluids:<\/p>\n<ul data-start=\"9203\" data-end=\"10755\">\n<li data-section-id=\"147y484\" data-start=\"9203\" data-end=\"9631\"><strong data-start=\"9205\" data-end=\"9231\">Chemical compatibility:<\/strong> The resistance of the materials in contact with the fluid must be verified, including pump casing valves impeller, flanged connections, gaskets, O-rings and sealing system. The assessment must refer to the specific substance and the actual conditions of use. The compatibility tables are a useful starting point, but for particularly demanding applications a technical verification is advisable;<\/li>\n<li data-section-id=\"1f0wsbi\" data-start=\"9633\" data-end=\"9937\"><strong data-start=\"9635\" data-end=\"9662\">Fluid temperature:<\/strong> temperature can alter the chemical aggressiveness of the substance and influence the resistance of materials and seals. Both the normal operating temperature and any peaks or variations during the production cycle must be taken into account;<\/li>\n<li data-section-id=\"1f9wvrx\" data-start=\"9939\" data-end=\"10205\"><strong data-start=\"9941\" data-end=\"9983\">Concentration of the chemical substance:<\/strong> the same fluid can require different materials depending on its concentration. This data is essential to avoid that an apparently correct choice turns out to be inadequate in the actual conditions in which the fluid will be handled;<\/li>\n<li data-section-id=\"kohyh1\" data-start=\"10207\" data-end=\"10468\"><strong data-start=\"10209\" data-end=\"10245\">Presence of solids or particles:<\/strong> residues, crystals or suspended particles can affect the\u2019<a href=\"https:\/\/www.cdrpompe.com\/en\/pump-impeller\/\" target=\"_blank\" rel=\"noopener\">wear and tear of impeller<\/a> and the other components, in addition to creating operational problems. It is essential to consider the size, quantity and nature of the solids present;<\/li>\n<li data-section-id=\"1mpyew9\" data-start=\"10470\" data-end=\"10755\"><strong data-start=\"10472\" data-end=\"10510\">Flow rate total head and aspiration:<\/strong> These parameters, if calculated correctly, allow the pump to operate at full efficiency and without effort. In fact, even a pump built with suitable materials can still have problems if used outside its operating range.<\/li>\n<\/ul>\n<p dir=\"auto\" data-start=\"10757\" data-end=\"10891\">To choose correctly the <strong data-start=\"10788\" data-end=\"10808\">pumps for fluids<\/strong>, The collection of this data should precede the request for a technical offer.<\/p>\n<h3>Anti-corrosion materials: PP, PVDF, PFA and AISI<\/h3>\n<p dir=\"auto\" data-start=\"10944\" data-end=\"11422\">In CDR we use a series of plastic and fluoroplastic materials for <a href=\"https:\/\/www.cdrpompe.com\/en\/lined-pump-cdr\/\" target=\"_blank\" rel=\"noopener\">coat the pump and ensure maximum chemical resistance<\/a> Possible. In <strong data-start=\"11291\" data-end=\"11311\">pumps for fluids<\/strong> This coating must also be applied to all exposed components, not just the main body.<\/p>\n<p dir=\"auto\" data-start=\"11424\" data-end=\"11463\">The most commonly used materials include <strong data-start=\"11467\" data-end=\"11490\">PP \u2013 Polypropylene, PVDF \u2013 Polyvinylidene fluoride, PFA \u2013 Perfluoroalkoxy and AISI \u2013 Stainless steels<\/strong><\/p>\n<p data-path-to-node=\"1,0,0\"><b data-path-to-node=\"1,0,0\" data-index-in-node=\"0\">The PP <\/b>It is lightweight, versatile and economical, easy to install and operate. Ideal for handling diluted acids, detergents and non-abrasive fluids at moderate temperatures, provided that aggressive solvents are avoided.<\/p>\n<p data-path-to-node=\"1,1,0\"><b data-path-to-node=\"1,1,0\" data-index-in-node=\"0\">The PFA <\/b>represents the top of the range for chemical resistance. Useful for highly reactive fluids where purity and process integrity are essential. It finds wide application in <a href=\"https:\/\/www.cdrpompe.com\/en\/pharmaceutical\/\" target=\"_blank\" rel=\"noopener\">chemical-pharmaceutical<\/a> and justifies higher costs with excellent performance in critical environments.<\/p>\n<p data-path-to-node=\"1,2,0\"><b data-path-to-node=\"1,2,0\" data-index-in-node=\"0\">The <a href=\"https:\/\/www.cdrpompe.com\/en\/pvdf-pfa-centrifugal-pumps\/\" target=\"_blank\" rel=\"noopener\">PVDF<\/a> <\/b>offers chemical stability and UV resistance, ideal for outdoor applications or installations exposed to the elements. Widely used in the construction industry water treatment, it offers an ideal balance between durability, reliability and investment (with temperature limits lower than PFA).<\/p>\n<p data-path-to-node=\"1,4,0\"><b data-path-to-node=\"1,4,0\" data-index-in-node=\"0\">AISI (Stainless Steel) <\/b>It is the reference metal for high pressures, temperatures and mechanical stresses. It is perfect for hygienic or intensive sectors (food, chemical), but requires careful evaluation in the presence of strong acids or chlorides to avoid corrosion risks.<\/p>\n<p dir=\"auto\" data-start=\"12684\" data-end=\"12975\"><strong>In some cases, the most suitable solution may involve a combination of different materials for the body, internal components, and sealing system.<\/strong><\/p>\n<h2 dir=\"auto\" data-section-id=\"6z50qw\" data-start=\"12977\" data-end=\"13040\">Magnetic drive o mechanical seal: which one to choose?<\/h2>\n<p dir=\"auto\" data-start=\"13042\" data-end=\"13412\">In the choice of <strong data-start=\"13061\" data-end=\"13081\">pumps for fluids<\/strong> , It is better to choose the one magnetic drive or the other mechanical seal? Depending on the parameters and specific criteria we have discussed, the CDR catalog includes numerous solutions for both sealing systems.<\/p>\n<h3 dir=\"auto\" data-start=\"13042\" data-end=\"13412\">Magnetic drive pump<\/h3>\n<p class=\"isSelectedEnd\">In the Nelle magnetic drive pumps, the engine rotation is transmitted to the gearbox impeller through a magnetic coupling. The motion is then transferred without a direct mechanical connection between the engine and the gearbox impeller. This configuration eliminates the need for a coupling mechanical seal on the shaft, that is, the component that in traditional pumps must prevent the fluid from leaking out at the rotational shaft.<\/p>\n<p class=\"isSelectedEnd\">The main advantages of this technology are:<\/p>\n<ul data-spread=\"false\">\n<li><strong>Risk Reduction of Losses:<\/strong> the absence of a passing tree and the corresponding one mechanical seal eliminate one of the main points of possible fluid leakage;<\/li>\n<li><strong>Greater protection for the environment and operators:<\/strong> The containment of liquids assumes particular importance in the handling of toxic, harmful or otherwise dangerous substances;<\/li>\n<li><strong>Minor interventions on the sealing system:<\/strong> Since there is no component mechanical seal on the tree, the control and replacement operations directly related to this component are compromised;<\/li>\n<li><strong>Adaptability to numerous chemical applications:<\/strong> They magnetic drive pumps can be indicated for the transfer of aggressive fluids when liquid containment is a priority requirement.<\/li>\n<\/ul>\n<p class=\"isSelectedEnd\">The choice must nevertheless take into account the actual conditions of operation: the <a href=\"https:\/\/www.cdrpompe.com\/en\/typical-centrifugal-pump-failures\/\" target=\"_blank\" rel=\"noopener\">dry frost<\/a>, For example, it can damage some internal components, while the presence of solid particles could compromise the proper operation of the magnetic system or the support bushings. In this case, a proper sizing of the fluid pumps is also essential, as is an evaluation of the <a href=\"https:\/\/www.cdrpompe.com\/en\/centrifugal-pump-materials\/\" target=\"_blank\" rel=\"noopener\">Material compatibility<\/a> and proper maintenance of the other components.<\/p>\n<h3>Pumps with mechanical seal<\/h3>\n<p class=\"isSelectedEnd\">In pumps with a seal mechanical seal, the fluid is contained along the point of passage of the rotating shaft through a system composed of sealing surfaces and metallic components. The seal has the task of limiting leaks during operation, while operating under conditions characterized by movement, pressure, and possible wear.<\/p>\n<p class=\"isSelectedEnd\">This configuration can also be used for the transfer of corrosive substances, provided that the seals and other materials in contact with the liquid are selected according to their specific chemical characteristics.<\/p>\n<p class=\"isSelectedEnd\">Pumps with mechanical seal can be indicated when they are needed:<\/p>\n<ul data-spread=\"false\">\n<li><strong>Specific hydraulic performance:<\/strong> This technology can be adopted in applications that require specific flow rates, pressures, rotational speeds, or rotation speeds, depending on the pump and the chosen configuration;<\/li>\n<li><strong>Targeted material compatibility:<\/strong> Seal surfaces, elastomers, metal parts and other components must be evaluated in relation to the fluid being transferred and its concentration;<\/li>\n<li><strong>Configurations suitable for special conditions:<\/strong> It mechanical seal can be selected based on pressure, peripheral speed, liquid characteristics, operating frequency, and specific application requirements.<\/li>\n<\/ul>\n<p>The presence of a non-metallic component does mechanical seal not preclude its use with corrosive fluids, but makes the choice of model and materials particularly important.<\/p>\n<h3 dir=\"auto\" data-section-id=\"1vb4rus\" data-start=\"16191\" data-end=\"16270\">Reliability and maintenance: the role of the supplier in the choice of pumps for corrosive fluids<\/h3>\n<p dir=\"auto\" data-start=\"16272\" data-end=\"16743\">The useful life of a pump intended for transferring aggressive solutions also depends on the quality of the evaluation carried out before purchase. Knowing the fluid, checking the materials, and identifying the correct configuration significantly reduce the risk of incompatibility and premature interventions. This is complemented by proper installation, compliance with operating conditions, and a <a href=\"https:\/\/www.cdrpompe.com\/en\/magnetic-drive-centrifugal-pumps\/\" target=\"_blank\" rel=\"noopener\">maintenance consistent with the manufacturer's instructions.<\/a><\/p>\n<p dir=\"auto\" data-start=\"16745\" data-end=\"17147\">For those who buy <strong data-start=\"16762\" data-end=\"16782\">pumps for fluids<\/strong> corrosive, it is therefore important to be able to rely on a supplier capable of following the product even beyond the commercial phase: the <a href=\"https:\/\/www.cdrpompe.com\/en\/cdr-spare-parts-warehouse\/\" target=\"_blank\" rel=\"noopener\">availability of spare parts<\/a>, Technical support, the ability to perform checks, and the ability to propose customized configurations can make the difference in the management of the equipment during its life cycle.<\/p>\n<p dir=\"auto\" data-start=\"18388\" data-end=\"18649\" data-is-last-node=\"\" data-is-only-node=\"\">To identify the most suitable solution for the transfer of chemical solutions, <a href=\"https:\/\/www.cdrpompe.com\/en\/contacts\/\" target=\"_blank\" rel=\"noopener\">It is possible to contact <strong data-start=\"18494\" data-end=\"18507\">CDR Pompe<\/strong><\/a> and to deepen the range of centrifugal pumps, the available materials and the technical support services dedicated to <a href=\"https:\/\/www.cdrpompe.com\/en\/industrial\/\" target=\"_blank\" rel=\"noopener\">industrial applications.<\/a><\/p>\n<h3 dir=\"auto\" data-start=\"18388\" data-end=\"18649\">Most common FAQs about pumps for corrosive fluids<\/h3>\n<h4>1. Why is temperature important when transferring corrosive fluids?<\/h4>\n<p>Temperature can influence both the chemical aggressiveness of the fluid and the resistance of the materials used in the pump. Increasing the temperature can make some substances more aggressive and reduce the performance of certain polymers, fluoroplastics, elastomers or other materials. For this reason, when choosing pumps for corrosive fluids, it is important to indicate not only the normally expected temperature, but also any spikes or significant variations.<\/p>\n<h4>2. Can a pump made of corrosion-resistant material still have problems?<\/h4>\n<p>Yes. The compatibility of the connector pump casing with the fluid does not guarantee the proper operation of the entire equipment. Seals, O-rings impeller, bushings, gaskets, and other components can be made from different materials and must be tested separately. Even a chemically compatible material may be unsuitable if the specified temperature, pressure, or speed limits are exceeded. The evaluation must therefore cover all components exposed to the fluid and the actual operating conditions.<\/p>\n<h4>3. What information must be provided to the manufacturer to choose a pump for a corrosive fluid?<\/h4>\n<p>For accurate selection, it is useful to provide the precise designation of the fluid and, when possible, its relative composition or concentration. Normal and maximum temperature, flow rate requirement, total head pressure, suction conditions, presence of solids, frequency of use, and characteristics of the circuit are also important. Any special conditions, such as frequent starts or significant variations in parameters, should also be reported. The more complete the available documentation is, the more precise the evaluation of the configuration, materials, and sealing system can be.<\/p>","protected":false},"excerpt":{"rendered":"<p>In chemical, pharmaceutical, galvanic and many other industries, the handling of aggressive substances brings the plants into contact with one another...<\/p>","protected":false},"author":4,"featured_media":8138,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[3,41,71,62,73],"tags":[],"class_list":["post-8068","post","type-post","status-publish","format-standard","has-post-thumbnail","category-news","category-news-en","category-pompe-tenuta-meccanica","category-pompe-a-trascinamento-magnetico","category-pompe-centrifughe"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.6 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Guida alla scelta delle pompe per fluidi corrosivi - 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