Explore our high-performance OEM & customizable industrial valves engineered for precision water regulation, long service life, and severe environments.
KR possesses 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.
Our solutions have critical 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 global buyers with excellent product variety and ISO-certified quality control systems.
Beyond manufacturing 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.
Understanding the critical requirements of modern procurement managers and engineering design firms.
Procuring electric valves for potable water demands strict adherence to lead-free standards and certified safety. Globally, utilities require certifications like NSF/ANSI 61 and WRAS. KR ensures all wet-end components use EPDM seals and high-grade stainless steel or epoxy-coated ductile iron that meets clean water directives, eliminating contamination risks.
Modern commercial installations prioritize energy efficiency and network communication capabilities. We offer actuators equipped with Modbus, Profibus, or HART protocols. Procurement teams look for high-cycle ratings, IP68 submersion capabilities, and fail-safe options (supercapacitors or battery backup) to protect systems during power losses.
With projects spread across multiple continents, custom flange configurations are vital. Our products are fully compatible with BS, DIN, ANSI, and JIS standards. Engineering plans require exact face-to-face dimensions to fit into existing pipelines during modernization overhauls without requiring expensive pipe modification.
End-to-end fluid control solutions across municipal water treatment, commercial HVAC, and large-scale industrial plants.
Managing water hammer, system overpressures, and localized leakages. Our dynamic pressure reducing and electric regulating valves enable municipal operators to adjust distribution parameters in real-time, significantly lowering non-revenue water (NRW) loss.
From chemical manufacturing plants to steel mills, processing water requires reliable check, butterfly, and gate valves. We supply corrosion-resistant materials like stainless steel (CF8/CF8M) and PTFE coatings, engineered to handle harsh chemicals and waste byproducts.
Hydropower systems demand large-bore valves capable of enduring massive pressure differentials. KR's heavy hydraulic-actuated butterfly and gate valves perform safely under extreme static and kinetic water loads, securing downstream pipelines.
Pioneering smart technologies to ensure sustainable flow control and reliable long-term operations.
Developing next-gen actuators featuring wireless mesh networks (LoRaWAN, NB-IoT). These systems transmit real-time telemetry metrics—such as cycle times, vibration, torque curves, and temperature—directly to cloud-based SCADA systems.
Utilizing onboard machine learning algorithms to evaluate valve seal wear patterns and motor insulation health. This allows municipal operators to transition from reactive maintenance cycles to planned, predictive overhauls.
Optimizing electric actuators to run efficiently on solar-charged battery systems in remote municipal pipelines, eliminating the need for grid-tie power in rural projects.
The global industrial valve market is experiencing a rapid structural shift toward automation and intelligent network tracking. Due to population growth, urbanization, and climate challenges, clean water delivery systems demand tighter controls. Electric control valves minimize human error and support immediate automated intervention.
Whether dealing with regional water scarcities in Africa, strict eco-regulations in the EU, or major agricultural upgrades in Asia, KR's automated solutions deliver stable performance. As a top OEM partner, we help local engineering firms integrate automated valves into their standardized product lines easily.
A deep dive into our engineering labs, precision manufacturing workflows, and rigorous QA testing protocols.
Our dedicated R&D department ensures continuous product innovation and precise design. Technicians develop custom valve geometries using SolidWorks, FEA (Finite Element Analysis), and CFD (Computational Fluid Dynamics). This testing ensures high flow coefficients (Cv values) and protects internal components from premature cavitation and abrasive wear.
The production department formulates structured schedules to ensure timely delivery on all client orders. Operating under strict ISO-9001 quality guidelines, our facilities utilize over 15 high-precision machining centers, advanced assembly lines, and specialized coating ovens, producing consistently durable valves.
Our Quality Assurance department enforces a zero-leakage principle. We inspect every valve using advanced testing benches. Hydrostatic tests assess body and seat sealing integrity according to API 598 or EN 12266-1 standards. Visual inspects check coating thickness and dimensional tolerances before we sign off on shipping documentation.
How we help clients streamline their sourcing processes, lower logistics overheads, and secure their project schedules.
We supply products under our own independent registered brand 'KR' and also offer extensive OEM support. This includes custom nameplates, body cast logos, tailored paint selections, and bespoke electronics integration for established valve brands worldwide.
Our engineers provide robust assistance across pre-sales sizing, fluid dynamic calculations, actuator speed selection, and on-site troubleshooting. We focus on choosing the right valve for your specific project environment to ensure long-term, trouble-free service life.
By managing our internal manufacturing pipelines and coordinating component foundries efficiently, we keep production costs down. We pass these savings directly to our partners, offering competitive, high-value pricing models.
Take a virtual tour of our factory floor, machining centers, assembly lines, and testing benches.
Our valve engineering solutions are deployed in critical municipal and industrial operations worldwide.
We supplied various water control valves to the Chile Dam Project, ensuring reliable pressure regulation and stable high-volume release control under challenging operational pressures.
KR supplied large-diameter butterfly valves and quick-closing non-return check valves for clean water delivery grids in Italy, optimizing fluid flow and preventing line reverse-flows.
We delivered resilient seat gate valves and check valves to a municipal sludge processing plant in Indonesia, supporting smooth handling of thick sludge without valve clogging.
We supplied corrosion-resistant PTFE-lined butterfly valves and stainless steel flanged Y-type strainers to a chemical plant in Vietnam to protect critical equipment from aggressive chemicals.
Our low-temperature flanged ball valves and heavy-duty gate valves were deployed in a Russian natural gas distribution network, performing reliably in harsh sub-zero conditions.
We provided water control valves, double eccentric butterfly valves, and non-return check valves for a large sewage treatment upgrade in Brazil, supporting automated wastewater management.
Ensuring smooth local commissioning and adherence to complex engineering standards worldwide.
We supply valves engineered to match diverse regional standards. For the North American market, our valves meet AWWA C509/C515 gate valve design criteria and ASTM A536 ductile iron standards. For European projects, we comply with EN 593 butterfly valve layouts and PED 2014/68/EU directives, allowing hassle-free integration into European engineering designs.
KR provides multi-language technical drawings, detailed calculations, material test reports (EN 10204 3.1), and digital instructions. We also coordinate with third-party testing agencies (like SGS or TÜV) to verify structural and mechanical properties before shipment, ensuring smooth local commissioning.
Practical answers to common design, selection, and maintenance questions from our engineering team.
You need to specify the maximum and minimum flow rates, inlet pressure, desired outlet pressure, fluid media temperature, and pipe dimensions. Additionally, specify your control signal (e.g., 4-20mA, 0-10V, or digital Modbus) and actuator voltage (24VDC, 220VAC, or 380VAC) to ensure compatible control performance.
The double offset shaft design reduces friction between the disc and the rubber seat during opening and closing cycles. This design lowers operating torque, reduces seat wear, and ensures tight sealing performance over millions of operational cycles.
Resilient seats (like EPDM or NBR) are ideal for clean water, municipal sewage, and low-temperature applications requiring zero-leakage shutoff. Metal seats are preferred for high temperatures, high-pressure steam, or fluids with abrasive particulates that can damage soft elastomers.
We recommend inspecting the valve seals and actuator operation every 6 to 12 months, depending on cycle frequency. Check terminal connections, monitor the motor's power draw to catch torque issues early, and inspect the stem seals to ensure long-term, reliable performance.
Explore our main product lines, designed to meet the demands of modern water and industrial fluid systems.
Browse our selection of durable gate valves, strainers, and customized check valves designed to protect and regulate pipeline media.
Get in touch with KR’s engineering sales team today to request a custom quote, obtain engineering CAD drawings, or discuss your OEM design requirements.
Contact Our Engineering Team
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