DVK International Co., Ltd.
About
DVK International Co., Ltd, founded in 2006 and headquartered in Nanjing, China, manufactures fluid control valves and accessories for HVAC, waterworks, fire fighting, and domestic water systems, with R&D teams in both Germany and China and production at their Wuhu factory in Anhui province. The company's product range includes butterfly valves with bi-directional sealing and IP67 motorized actuator options, gate valves with EPDM sealing and replaceable brass stem nuts, nozzle check valves for fire protection and waterworks, balancing valves featuring variable orifice and self-balancing disc design with zero leakage and lockable positioning, strainers, motorized control valves with signal feedback modes, automatic control valves using a single-chamber straight body with modulating disc for pressure reducing, sustaining, and flow regulation, lead-free brass valves for domestic water systems, bronze valves for seawater and corrosive environments, and valve fittings. DVK controls the entire production pipeline from casting foundry through machining, WRAS-approved EPDM rubber vulcanization, epoxy powder coating, and in-process inspection including NDT, dimensional checks, coating thickness measurement, and holiday testing. CNAS laboratory testing and 100% final pressure testing ensure quality. The size range covers DN15 through DN3200. Certifications include ISO, NSF, AWWA, WRAS, and CNAS. DVK maintains approximately USD 6 million in storage inventory for quick delivery and emphasizes SS316L parts and WRAS-compliant coatings for drinking water safety. The DVK trademark is recognized as a famous trademark in China.
Key Products
Bi-directional sealing butterfly valves with IP67 motorized options for flow regulation and isolation in waterworks and HVAC systems.
EPDM-sealed gate valves with replaceable brass stem nuts for shut-off in water distribution, fire fighting, and domestic water systems.
Check valves preventing reverse flow in pump stations, transmission lines, and distribution networks.
Variable orifice, self-balancing disc design valves for hydraulic balancing of heating and cooling circuits in HVAC systems.
Pipeline strainers removing debris from water flow to protect downstream valves and equipment in waterworks and HVAC.
Electrically actuated control valves for automated flow regulation in HVAC and water distribution systems.
Single-chamber straight body valves with modulating disc for pressure reducing, pressure sustaining, and flow control in water networks.
Lead-free brass valves for domestic water systems and smaller-diameter piping applications requiring WRAS-compliant materials.
Bronze valves for seawater, marine, and corrosive environment applications in industrial and marine water systems.
Complementary fittings and accessories for valve installation and pipeline connection in waterworks and HVAC projects.
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