High-durability flanged Y-type strainers fabricated to secure continuous process pipelines and vital pumping stations against abrasive contaminants.
São Paulo stands as the main economic motor of Brazil and the broader Mercosur region. From the petrochemical cluster in Cubatão to the automotive complexes in the ABC Region, and the extensive food, beverage, and ethanol plants distributed throughout the state interior, pipeline integrity is critical. In these heavy operations, uncontrolled particulates lead to pump mechanical seal failures, control valve erosion, and unscheduled system shutdowns.
Within high-capacity flow systems, the installation of high-quality Y-Type Strainers serves as the first line of defense. By mechanically removing solids from flowing liquids or gases via a perforated or wire mesh straining element, these units safeguard expensive downstream investments such as flowmeters, heat exchangers, and regulating valves.
As São Paulo's municipal water systems expand under programs managed by SABESP and private concessionaires, the demand for certified ductile iron (GGG40) and cast steel (WCB) strainers has grown. Procurement directors now prioritize manufacturers that guarantee reliable wall thicknesses, certified pressure testing parameters, and international compliance certificates.
Understanding the engineering metallurgy behind high-reliability Y-Strainers for specific media and pressure applications.
Specifically chosen for municipal water distribution, fire protection networks, and wastewater treatment systems. The spheroidal graphite structure of GGG40 (EN-GJS-400-15) yields superior impact resistance and ductility compared to standard cast iron, preventing catastrophic structural failure under hydraulic shock or water hammer conditions common in urban São Paulo water mains.
Designed for high-temperature steam lines, power plants, and oil transportation facilities. ASTM A216 WCB provides excellent mechanical strength and weldability. It reliably tolerates extreme thermal cycles and elevated operating pressures up to ASME Class 300 (PN40), commonly required in petrochemical processes and steam generation systems.
Ideal for processing aggressive media, organic acids, food-grade products, and chemical solvents. Cast CF8 (SS304 equivalent) and CF8M (SS316 equivalent) offer superior corrosion resistance and prevent chemical contamination, matching the strict standards of the food, beverage, and pharmaceutical industries in São Paulo.
Bridging premium component engineering with cost structures optimized for industrial distributors and contractors in South America.
Procuring valves directly from specialized Chinese manufacturers offers strategic benefits to Brazilian buyers. By consolidating supply chains, using automated foundries, and implementing strict quality controls, Chinese factories supply strainers that meet or exceed international standards like ASME, DIN, and BS at competitive prices.
Key Advantages of Direct Sourcing:
Our production facility operates under strict management systems to verify all technical specifications before export:
Over two decades of dedication to valve engineering, quality manufacturing, and long-term customer partnerships.
KR has more than 20 years of experience in producing standard and non-standard valves of various types. We supply a wide selection of over 500 valve products, including butterfly valves, gate valves, check valves, water control valves, as well as all their matching and accessory products. These products have applications in various industries such as water treatment, dam construction, commercial buildings, energy and heating, chemical engineering, and more. KR has won high repeat purchase rates from customers with excellent product variety and quality.
Beyond product excellence, we are dedicated to creating a mutually beneficial partnership with every customer. We believe that reliable service is as crucial as superior products, and we strive to continuously optimize the customer experience to achieve long-term win-win cooperation.
Today, KR VALVE’s products have been exported to over 50 countries and regions in Europe, Asia, Africa, and Oceania, providing project construction and brand marketing services to thousands of customers. We look forward to collaborating with you, leveraging our expertise, comprehensive product range, and unwavering commitment to quality and service to support your success.
From our smart testing stations to global supply chains, KR Valve ensures fluid systems run reliably. We provide customizable solutions to match the pressure classes, flange norms, and installation requirements of the Brazilian market.
Our R&D department drives product design and continuous innovation. Our technicians develop components that meet customer and market requirements. Our lab provides extensive testing capabilities to elevate product performance. We now offer 20 series and over 500 product varieties.
Our production department formulates schedule plans to ensure timely delivery according to customer requirements. Products are manufactured under strict supervision in accordance with the ISO-9001 quality management system. We operate over 30 production machines and update our inventory monthly to meet and exceed delivery expectations.
Our quality department ensures 100% product inspection. Zero leakage is our core standard. According to international quality standards, we conduct inspections covering appearance, dimensions, pressure performance, and material grades, and issue reports in compliance with global norms.
How our Y-Type strainers protect critical utility and industrial systems across the state.
Sugarcane juice processing and bioethanol distillation involve corrosive fluids and abrasive cane fibers. Our CF8M (SS316) Y-Type Strainers are widely used in distillation columns to filter out fine fibrous residue, protecting spray nozzles, heat exchangers, and control systems from clogging.
In São Paulo's municipal booster stations, raw and semi-treated water can transport silt and debris. Large-diameter GGG40 flanged Y-strainers are installed before high-pressure pumps to protect impellers and seals from damage, extending equipment service life and reducing maintenance costs.
Chemical plants run highly critical processes that require robust pipeline protection. Our WCB Cast Steel Y-strainers are built to handle chemical feedstocks, hydrocarbons, and high-pressure steam, preventing particle contamination from damaging delicate instrumentation.
Industrial plants in São Paulo are focusing on efficiency and ESG (Environmental, Social, and Governance) standards. Designing systems with low pressure drops is essential. Every Pascal of pressure drop requires more pump energy, which increases carbon emissions and operating costs. Our strainers are designed using CFD (Computational Fluid Dynamics) to optimize flow paths, helping operators reduce energy use.
Additionally, we are seeing a shift toward "smart" predictive maintenance. We can supply Y-type strainers fitted with differential pressure transmitters. These sensors measure the pressure drop across the screen and send data to SCADA systems, alerting operators when cleaning is needed before a blockage occurs.
By choosing materials like lead-free ductile iron and low-leakage gasket seals, our products help plants meet strict environmental standards, ensuring safe operation in municipal and process applications.
Discover how our engineered valves and strainers are trusted in key infrastructure projects worldwide.
Supplied durable water control valves and matching strainers to support water treatment and effluent processing plants in Brazil, improving municipal filtration efficiency.
Designed and manufactured heavy-duty hydraulic control valves and high-flow filtration components to withstand high pressure levels in a dam project in Chile.
Supplied large butterfly, check, and strainers components to a municipal water system in Italy, ensuring zero-leakage performance under strict EN standards.
Supplied robust gate and butterfly valves designed to handle high sludge viscosity and abrasive particulates, preventing build-ups and line blockages.
Provided chemical-grade stainless steel CF8/CF8M valves and custom-mesh strainers to ensure chemical compatibility and protection in process pipelines.
Supplied high-pressure WCB cast steel ball and gate valves to handle low-temperature gas transmission and meet strict safety standards.
Expert answers to common engineering, installation, and procurement questions from industrial buyers.
Mesh selection depends on the downstream components you need to protect. For pump suction protection, we typically recommend a coarser mesh (e.g., 10 to 40 mesh) to avoid restricted flow and pump cavitation. For control valves, steam systems, and flowmeters, we recommend a finer screen (e.g., 60 to 100 mesh) to catch smaller particles. We can custom manufacture stainless steel screens from 10 to 400 mesh to suit your specifications.
In liquid lines, Y-strainers should be installed with the branch pointing downward. This prevents collected debris from flowing back into the pipe during cleaning. In horizontal steam lines, the strainer should be installed horizontally (with the branch parallel to the ground) to prevent condensate from collecting in the pocket, which can cause water hammer and thermal shock.
Ductile iron GGG40 has spherical graphite nodules that provide excellent mechanical strength, elongation, and shock resistance. Standard cast iron GG25 is more brittle and can crack under mechanical stress, high pressures, or sudden water hammers. GGG40 is the preferred choice for municipal water networks and critical infrastructure projects.
We run chemical analysis checks on every melt and conduct pressure testing on all valve bodies. We also use non-destructive testing (NDT), including ultrasonic and magnetic particle testing, on high-pressure castings (like PN40 and PN64 WCB) to find any internal cracks, shrinkage, or porosity, ensuring reliable performance in the field.
Ocean freight transit time from Chinese main ports (such as Ningbo or Shanghai) to the Port of Santos is usually between 35 to 45 days. We provide all the necessary export documentation, including certified packing lists, detailed commercial invoices, Certificates of Origin, and Mill Test Reports, to support smooth customs clearance in Brazil.
A complete selection of standard and custom industrial valves to protect and regulate your process piping systems.
KR VAVLE
