C型混合式空气阀，适用于各种灌溉系统应用场合。系统注水时，空气阀排出管道中大量空气；系统有压状态下，空气阀有效排出管道中少量空气；系统排空时，空气阀吸入大量空气。阀门采用符合气体动力学的设计，具有快速进排气口和自动微量排气口。阀门可避免空气积聚和真空负压形成，并且低压时具有良好的密封性能。典型应用：系统管道–防止空气积聚于管道的高点、边坡拐点、道路与河流交叉处，消除负压。供水系统–防止空气积聚，消除负压。工业系统管网和居住区管网–防止空气积聚。
Founded in October 2012, Baldr specializes in the R&D, design, manufacturing and global sales of irrigation water treatment products and irrigation smart control products. With a powerful R&D team composed of more than 40 superior engineers, serving for different parts including the software, electronic hardware, mechanical structure and industrial appearance design etc. Baldr focuses on the research of disc water filtration technology, valve control technology, environmental monitoring technology and auto control technology, then applies all to agricultural irrigation, municipal & landscape irrigation and garden irrigation products. Over the years, Baldr has continued to invest in the research of cloud platform Internet of Things, which represents the future technology and applies it to irrigation products. Until now, we have obtained hundreds of patents like industrial design, utility model, technology invention and software copyright. Three main series of products: Agricultural irrigation filters, auto backflush filtration system, pipe control valve and other products; Home& Garden timers, pump timers, monitoring sensors, drip irrigation kits and other products. Landscape control valves, smart control systems and other series products; Every product has the safety certificates for European and American countries such as CE, GS, R&TTE, FCC, ROHS, REACH, UL and ETL.In accordance with the high standards of production and manufacturing requirements, Baldr had built a 24,000㎡ production and manufacturing base, which consists of mold & injection department, stamping and sheet metal department, SMT Patch binding department, silk screen printing workshop and finished products assembly workshop. It has the capacity of 600,000 annual output of different filters, auto back-flush filtration systems, control valves and smart controllers. And we have obtained ISO 9001:2000 quality management system & BSCI certification.At Baldr, we devote ourselves to the development and manufacture of environmentally water-saving smart control products with the strength of technological innovation, so that people can be more harmonious with the environment, and people can enjoy a better, more convenient and smarter life. This is also our mission that Baldr has always adhered to since its establishment. Baldr will adhere to the business philosophy of "innovation and development, customer orientation, speed and passion, credibility and integrity ", with "technological innovation" as its core competitiveness. We aim to build Baldr into a leading international enterprise focusing on water-saving and environmental protection smart control products.
