Commercial & Civil Buildings
Water supply, heating, fire protection, air conditioning and rainwater drainage pipeline systems.
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Our Product Advantages
FM, UL, CE, ISO9001, ISO14001, ISO45001, plan to complete testing and certification of LPCB, VDS and CCS.
Comprehensive grooved pipeline fittings for diverse connection and maintenance needs.
Suitable for commercial, municipal, industrial and infrastructure pipeline systems.
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Industry Experience
Founded in 2002, one of China's earliest manufacturers specializing in grooved pipe connector research and production.
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Advanced Manufacturing
Equipped with advanced casting, rubber compounding, coating, post-processing centers and complete testing equipment.
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Strong Production Capacity
Owns two casting bases, one rubber base, two post-processing factories and produces 100,000 tons annually.
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Large-Scale Enterprise
More than 500 employees, over 510 million yuan investment and annual output value reaching 1 billion yuan.
We offer Multi-scenario solutions
Municipal Infrastructure
Water supply, gas supply, heating, drainage, fire protection and supporting pipeline systems.
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Industrial Facilities
Pipeline systems for oilfield, papermaking, marine, food, beverage, automobile, chemical, power, mining, textile and steelmaking industries.
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Transportation Infrastructure
Pipeline systems for subway stations, airports, seaports, bridges, tunnels and railway stations.
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Have Questions? Call Us+8615831736218
HEBEI DIKAI PIPING PRODUCTS CO.,LTD is equipped with domestically advanced casting, rubber compounding, coating and post-processing centers.
Product Recommended
GLOBAL PROJECT CASES
It possesses 2 casting production bases, 1 rubber production base and 2 post-processing factories.
Grooved Couplings
The grooved reducer coupling is designed to connect grooved pipes with different nominal diameters, providing a smooth and reliable transition between pipeline sizes.
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Grooved Fittings
The Grooved Equal Cross is designed for four-way pipeline connections, allowing fluid distribution or collection in multiple directions.
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Grooved Flange
The Clamp Grooved Flange is designed for connecting grooved pipelines with flange equipment. Featuring an integrated flange structure
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HEBEI DIKAI PIPING PRODUCTS CO.,LTD
HEBEI DIKAI PIPING PRODUCTS CO.,LTD. (formerly Hebei Xingli Valve and Pipe Fitting Manufacturing Co., Ltd.) was founded in 2002. It is a professional manufacturer of pipeline products and one of the earliest enterprises in China engaged in the research and development of grooved pipe connectors. Dikai's grooved piping system products have always maintained a leading position in the industry.
In 2012, the company invested 150 million yuan with a registered capital of 30 million yuan, and officially changed its name to Hebei Dikai Pipeline Manufacturing Co., Ltd.
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The company has a registered capital of 29 million yuan and a total investment of over 510 million yuan.
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It possesses 2 casting production bases, 1 rubber production base and 2 post-processing factories.
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With more than 500 staff members, its annual production capacity reaches 100,000 tons.
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Covering a total land area of 160 mu, the annual output value can hit 1 billion yuan.
News Center
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How Often Should Grooved Couplings Undergo A Comprehensive Inspection?Jul 20, 2026Conduct a comprehensive inspection every 6 to 12 months, covering the tightness of all couplings and the condition of seals.read more
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What Materials Are Required For Replacing Grooved Couplings?Jul 19, 2026Compliant couplings matched to the pipe diameter and working pressure; preference should be given to certified products that meet national standards.read more
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How To Determine If A Grooved Coupling Needs ReplacementJul 18, 2026Visible cracks, deformation, or severe corrosion; extensive coating failure; inability to maintain structural integrity.read more
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Maintenance Of Grooved CouplingsJul 17, 2026Regularly check the coupling connection points; promptly tighten any loose nuts to prevent leaks caused by poor sealing.read more
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Manufacturing Process For Grooved CouplingsJul 16, 2026Public information regarding the specific manufacturing details of grooved couplings is limited; the following outlines the mainstream production workflow based on standard industry processing prac...read more
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