Select industrial valves engineered for severe service environments, high pressure limits, and dynamic flow profiles.
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 critical applications in various industries such as water treatment, dam construction, commercial buildings, energy and heating, chemical engineering, etc. We have 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.
How KR ensures peak efficiency and consistent quality output through structural advantages.
We market our recognized 'KR' brand while offering fully tailored OEM and ODM solutions to global pipeline brands and design consultancies.
Equipped with 15 advanced heavy machining tools and flexible assembly lines manned by certified technical workers.
With 20 core series and 500+ design variations, we produce custom-made, code-compliant pipeline equipment on demand.
We enforce strict inspection limits from initial raw casting verification through to hydrostatic testing of the completed valve assembly.
Total vertical integration inside our workshops keeps overhead minimal, offering cost structures for global distributors.
Responsive consulting at every stage—from drawing approvals and sizing metrics to final site startup and commissioning advice.
In high-volume municipal pumping systems, wastewater processing loops, and industrial cooling circuits, surge control and pressure wave mitigation are essential. Traditional swing check valves often fail under transient flow conditions, leading to water hammer, line rupture, and premature component degradation. The tilted disk check valve (also termed the slant disc check valve) represents an optimized non-slam solution.
The tilted disk check valve relies on an eccentric double-offset shaft structure. The pivot axis of the disk is situated slightly above and behind the geometric centerline of the seating surface. This design offers distinct hydrodynamic advantages:
To meet demanding project requirements, material selection must account for fluid chemistry, temperature ranges, and abrasive particulates. We manufacture these valves utilizing cast carbon steel (WCB, LCB) for general utilities, and high-grade stainless alloys (CF8, CF8M, CF3M, Duplex) for aggressive or corrosive media.
| Engineering Specification | Standard Parameters | Custom Availability |
|---|---|---|
| Size Range | DN100 - DN1600 (4" to 64") | Up to DN2400 (96") |
| Pressure Classifications | PN10, PN16, PN25, PN40, PN64 | ANSI Class 150, Class 300, Class 600 |
| Standard Connections | EN 1092-2 Flanged, ASME B16.5 | AWWA C207, Special Flange Drillings |
| Leakage Criteria | API 598 Rate A, EN 12266-1 | Zero Leakage Metal-to-Metal / Resilient Seat |
| Standard Body Materials | Ductile Iron GGG40/50, WCB Carbon Steel | SS304/316, Super Duplex Stainless Steel |
| Seat Options | Hardfaced SS304/316 Stellite overlay | PTFE, EPDM, NBR Resilient Seat Inserts |
Integrating a tilted disk check valve requires assessing the system's dynamic response during power outages or pump failures. When sizing these valves, engineers must evaluate the deceleration rate of the fluid column. In systems with rapid fluid deceleration, the valve can be equipped with an external hydraulic dashpot or heavy hammer assembly to control the final stages of closure, protecting piping networks from damage.
Underpinning our manufacturing with rigorous engineering checks, advanced test machinery, and strict adherence to international standards.
Our dedicated engineering department ensures continuous product design innovation. Technicians develop customized valves to meet specific customer and market requirements, supported by modern testing capabilities that verify product performance.
Our production planning ensures timely delivery to meet customer timelines. Products are manufactured under strict supervision in accordance with the ISO-9001 quality management system, utilizing over 30 main production machines.
Zero leakage is our fundamental principle. According to international quality inspection standards, our team conducts thorough checks on appearance, dimensions, and pressure ratings, issuing detailed compliance reports for each batch.
Delivering high-integrity valve solutions for major projects globally, supporting operational safety across diverse sectors.
Supplied heavy-duty water control valves and non-slam check valves to improve process reliability in municipal wastewater facilities.
Delivered high-pressure control valves designed for remote operation and severe pressure reductions in gravity-fed pipelines.
Provided large-diameter check valves and high-flow butterfly valves to optimize distribution efficiency in municipal networks.
Supplied abrasive-resistant check valves and gate valves to handle sludge management processes in industrial treatment loops.
Supplied custom corrosion-resistant valves, featuring specialty alloys and liners, to ensure safety in chemical processing lines.
Delivered high-performance ball valves and gate valves engineered for low-temperature service in energy transmission pipelines.
Simplifying procurement processes with clear specifications, complete documentation, and technical transparency.
Answers to common technical questions regarding design, installation, and operation.
Additional heavy-industry valves engineered for fluid isolation, flow regulation, and pipeline strain relief.
Connect with our engineering support team to discuss sizing calculations, custom material specifications, or to request a quote.
Request Technical Quote